According to the given question we can conclude that statement I and statement II are correct but not statement III.
Define interest?Interest is the cost incurred when lending and borrowing a specific amount of money from a financial standpoint. It is crucial to note that interest is calculated as a percentage.
given,
Statement I is correct because the inflation rate averaged 1.3%, and Maria's savings account earned interest at a rate of 0.725%, which is lower than the inflation rate. This means that the buying power of her gift decreased by approximately 1.3% - 0.725% = 0.575% or 0.6% (rounded).
Statement II is also correct because Maria's savings account earned interest on the deposit of $2,000 for one year at a rate of 0.725%. The interest earned can be calculated as:
Interest = Principal x Rate x Time
Interest = $2,000 x 0.00725 x 1 year
Interest = $14.50
However, statement III is not correct. Since Maria deposited the entire gift of $2,000 into the savings account and did not make any withdrawals during the year, the balance in the account at the end of 2016 would be the sum of the initial deposit and the interest earned, which is $2,000 + $14.50 = $2,014.50. Therefore, the correct option is:
Statement III is incorrect, however Statements I as well as II are true.
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each shape is 1 whole. write a fraction in standard form, word form, and numerical-word form for the parts that are shaded
If each shape is 1 whole and the circle is divided in half and shaded on both sides, then the fraction of the shaded part would be [tex]\frac{1}{2}[/tex].
In standard form, the fraction [tex]\frac{1}{2}[/tex] is already in its simplest form, as both the numerator and denominator have no common factors other than 1. In word form, the fraction [tex]\frac{1}{2}[/tex] can be expressed as "one-half," which indicates that one of the two equal parts of the circle is shaded. In numerical-word form, the fraction [tex]\frac{1}{2}[/tex] can be written as "0.5" or "zero point five," which represents the decimal equivalent of the fraction. This form is useful when working with measurements and calculations that involve fractions.
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The complete question is:
Each shape is 1 whole. Write a fraction in standard form, word form, and numerical-word form for the parts that are shaded
A furniture company is introducing a new line of lounge chairs next quarter. These are the cost and revenue functions, where x represents the number of chairs to be manufactured and sold: R(x) = 1,248x – 8.32x2 C(x) = 36,400 – 83.2x
The profit function for a furniture company introducing a new line of lounge chairs is P(x) =[tex]-8.32x^2 + 1,248x - 36,400[/tex], where x represents the number of chairs to be manufactured and sold.
The problem provides the revenue function and cost function for a furniture company introducing a new line of lounge chairs. To find the profit function, we need to subtract the cost function from the revenue function.
The revenue function R(x) is given as 1,248x - [tex]8.32x^2[/tex], where x represents the number of chairs manufactured and sold. This function calculates the total revenue obtained by the company by multiplying the number of chairs sold (x) by the price of each chair (1,248 - 8.32x).
The cost function C(x) is given as 36,400 - 83.2x. This function calculates the total cost incurred by the company to manufacture x chairs, which includes both fixed and variable costs.
To find the profit function for the furniture company, we need to subtract the cost function C(x) from the revenue function R(x):
P(x) = R(x) - C(x) = (1,248x - [tex]8.32x^2[/tex]) - (36,400 - 83.2x)
Simplifying this expression, we get:
P(x) =[tex]-8.32x^2[/tex] + 1,248x - 36,400
Therefore, the profit function for the furniture company is P(x) = [tex]-8.32x^2[/tex] [tex]+ 1,248x - 36,400[/tex].
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Find the two -intercepts of the function and
show that at some point between the two -intercepts.
The x intercept of the function f(x) = x√(x + 4) is at
(-4, 0) and (0, 0)
What is x-intercept?The x-intercept is the point where a graph or a line crosses the x-axis. In other words, it is the point where the value of the dependent variable (usually represented on the y-axis) is zero.
In an equation, the x-intercept is the value of x when y is equal to zero. It is often denoted by the point (x, 0) on a graph.
The plotted graph shows that the x intercept is at
(-4, 0) and (0, 0)
Graph is attached
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CAN SOMEONE HELP PLEASE!!!
What is the circumference of a circle with a diameter of 21 cm? Approximate using pi equals 22 over 7.
7 cm
33 cm
66 cm
132 cm
Answer:
The formula gives the circumference of a circle:
C = πd
Where d is the diameter of the circle.
Substituting the given values, we get:
C = (22/7) x 21 cm
C = 66 cm (approx)
Therefore, the circle's circumference with a diameter of 21 cm, approximated using π equals 22/7, is 66 cm.
So, the correct option is (C) 66 cm.
Harper is deep-sea diving with two friends. Toby is floating on the surface 57 feet above
Harper, and Meg is exploring a coral reef 76 feet in front of Harper. How far apart are Toby
and Meg?
The distance between Toby and Meg are approximately 95 feet apart.
How to solve for the distanceWe can solve this problem using the Pythagorean theorem, which relates the lengths of the sides of a right triangle.
The distance between Toby and Meg is the hypotenuse of a right triangle with legs 57 feet and 76 feet.
So we can use the Pythagorean theorem to find this distance:
distance^2 = 57^2 + 76^2
distance^2 = 3249 + 5776
distance^2 = 9025
distance = sqrt(9025)
distance = 95
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According to the line plot, what is the total weight of the dog toys that weighed
1
8
of a pound or
3
8
of a pound?
3
4
of a pound
1
1
2
pounds
3 pounds
7
8
of a pound
The total weight of the dog toys that weighed 1/8 of a pound or 3/8 of a pound is 1 3/8 pounds.
What is line plot?A line plot is a graphical representation of data that involves placing X's or other symbols above a number line to show the frequency of each value in a data set.
Each X represents one occurrence of the data value on the number line. Line plots are useful for quickly visualizing the distribution of a data set, especially when there are only a few unique values in the data set.
Based on the line plot, we can see that there are 2 dog toys that weigh 1/8 of a pound and 3 dog toys that weigh 3/8 of a pound.
To find the total weight of the dog toys that weigh 1/8 of a pound or 3/8 of a pound, we need to add the weights of these toys.
The total weight of the dog toys that weigh 1/8 of a pound is 2/8 of a pound, which simplifies to 1/4 of a pound.
The total weight of the dog toys that weigh 3/8 of a pound is 3 x 3/8 = 9/8 of a pound.
Adding these weights together, we get:
1/4 + 9/8 = 11/8 of a pound
This simplifies to 1 3/8 pounds.
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HELP ASAP 25 PONITS PLEASE HELP
Convert 3% to a decimal by doing 3/100. You should get 0.03.
Now multiply 0.03 and 44.50, you will get 1.335.
Add 1.335 to 44.50 and you will get 45.835.
The new price of the item after it was marked up is $45.835
Can someone Please answer this?
Gets brainliest and 30 points!!!!!!
I think the correct answer is 326
$12715= x2 - 5x + 65
Step-by-step explanation:
To solve for x, we need to isolate the variable on one side of the equation. We can start by subtracting 65 from both sides of the equation:
$12715 - 65 = x^2 - 5x
Simplifying:
$12650 = x^2 - 5x
Next, we can move all terms to one side of the equation:
x^2 - 5x - 12650 = 0
Now, we can use the quadratic formula to solve for x:
x = [-(-5) ± sqrt((-5)^2 - 4(1)(-12650))]/(2(1))
Simplifying:
x = [5 ± sqrt(63225)]/2
x = [5 ± 251]/2
So the solutions are:
x = (5 + 251)/2 = 128
x = (5 - 251)/2 = -123
Therefore, x can be either 128 or -123.
By what number must row 2 in the matrix be multiplied for the matrix to be change to ___
The number that must row 2 in the matrix be multiplied for the matrix to be changed to B. -2.
What are row operations?
Row operations are mathematical operations that can be performed on the rows of a matrix to manipulate its properties or solve systems of linear equations.
To solve this problem, we need to perform row operations on the matrix until row 2 is transformed into the desired row. Each row operation involves multiplying a row by a scalar, adding or subtracting one row from another, or swapping two rows.
Starting with the given matrix:
20 -2
1 1 1 1 1 6 -14
We can perform the following row operations:
Subtract row 1 from row 2:
20 -2
1 1 1 -19 -19 4 -6
Multiply row 2 by -3:
20 -2
-3 -3 -3 57 57 -12 18
Subtract 2 times row 2 from row 1:
26 4
-3 -3 -3 57 57 -12 18
Divide row 1 by 13:
2 4/13
-3 -3 -3 57 57 -12 18
Therefore, we see that row 2 in the matrix must be multiplied by -3 to transform it into the desired row.
So the answer is: B. -2
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2 + ( − 5 ) + 1 5 + ( − 3 )
Answer:
9
Step-by-step explanation:
[tex]2 + ( - 5) + 15 + ( - 3)[/tex]
[tex]2 - 5 + 15 - 3[/tex]
Add the negative and the positive numbers seperately:
[tex]17 - 8 = 9[/tex]
please help me quick
Answer:
Step-by-step explanation:
An artist built a wooden sculpture in the shape shown below.
Rectangular prism with length as 9 feet, breadth as 7 feet and height as 8 feet is given. A rectangular prism with length as 7 feet, breadth as 7 feet and height as 4 feet is cut from the right top end of the bigger prism.
Part A
Which expressions could be used to find the volume of the sculpture?
Select all that apply.
A. (7 × 8 × 2) + (7 × 7 × 4)
B. (8 × 2 × 7) + (9 × 4 × 7)
C. (2 × 4 × 7) + (7 × 4 × 7)
D. (9 × 4 × 7) + (2 × 7 × 4)
PartB
What is the volume of the sculpture?
Enter your answer in the box.
cubic feet
the expressions that could be used to find the volume of the sculpture are A and B and the volume of the sculpture is 364 cubic feet.
Part A:
To find the volume of the sculpture, we need to add the volumes of the two rectangular prisms: the original one and the one that was cut from it. We can express the volume of the original prism as:
9 × 7 × 8
And the volume of the cut prism can be expressed as:
7 × 7 × 4
So, the expressions that could be used to find the volume of the sculpture are A and B:
A. (7 × 8 × 2) + (7 × 7 × 4)
B. (8 × 2 × 7) + (9 × 4 × 7)
Part B:
Using expression A, we get:
(7 × 8 × 2) + (7 × 7 × 4) = 112 + 196 = 308 cubic feet
Using expression B, we get:
(8 × 2 × 7) + (9 × 4 × 7) = 112 + 252 = 364 cubic feet
Therefore, the volume of the sculpture is 364 cubic feet.
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If you divide a positive number that is larger than 36 by a positive number that is less than 9, what can you definitely say about the relative value of the quotient?
It must be equal to 5
It must be greater than 4
It must be between 9 and 36
It must be less than 4
Answer:
It must be greater than 4
Step-by-step explanation:
We know that 36 ÷ 9 = 4.
Therefore, if the denominator is less than 9 and the numerator is greater than 36, the quotient would only increase since the numerator increases while the denominator decreases.
Therefore, it must be greater than 4.
the line L passes through the points (5,-5) (4,3)
The equation of the line L is y = -8x + 35.
What is the slope?
The slope of a line is a measure of its steepness. Mathematically, the slope is calculated as "rise over run" (change in y divided by change in x).
To find the equation of the line L that passes through the points (5,-5) and (4,3), we need to use the point-slope form of a linear equation:
y - y1 = m(x - x1)
where m is the slope of the line and (x1, y1) is one of the given points.
First, we need to find the slope of the line L:
m = (y2 - y1) / (x2 - x1)
m = (3 - (-5)) / (4 - 5)
m = 8 / (-1)
m = -8
Now we can use either point to write the equation of the line. Let's use (5, -5):
y - (-5) = -8(x - 5)
y + 5 = -8x + 40
y = -8x + 35
Therefore, the equation of the line L is y = -8x + 35.
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The ratio of the width to the length of a flower bed is 10:19. How long is the flower bed if it's width is 6feet
Answer:
The length of the flower bed is 11.4 feet.
Step-by-step explanation:
If the ratio of width to length of the flower bed is 10:19, this means that for every 10 units of width, there are 19 units of length.
Let's call the width of the flower bed "W" and the length "L". We know that W is 6 feet, so we can write:
W:L = 10:19
Substituting the value of W, we get:
6:L = 10:19
To solve for L, we can cross-multiply to get:
10L = 6 x 19
10L = 114
L = 11.4
Therefore, the length of the flower bed is 11.4 feet.
A grassland ecosystem experiences an especially rainy year. During the same
year, the rabbit population in the grassland increases sharply. What is the
most likely reason for this increase?
OA. The ecosystem's carrying capacity is lower, so fewer rabbits have
immigrated and more have died.
B. The ecosystem's carrying capacity is higher, so fewer rabbits have
been born and more have emigrated.
OC. The ecosystem's carrying capacity is lower, so more rabbits have
emigrated and fewer have been born.
D. The ecosystem's carrying capacity is higher, so more rabbits have
been born and fewer have died.
Answer: D. The ecosystem's carrying capacity is higher, so more rabbits have been born and fewer have died.
Explanation: Carrying capacity refers to the maximum number of individuals that an ecosystem can support without causing significant harm to the environment. In this case, the grassland ecosystem experienced an especially rainy year, which likely led to favorable conditions for both the rabbits and their food sources.
With more rainfall, there would be an abundance of vegetation in the grassland ecosystem. This increase in food availability would provide ample resources for the rabbits to thrive and reproduce. As a result, more rabbits would be born during this year.
Additionally, the favorable conditions provided by the rainy year may have also reduced the mortality rate of the rabbits. With plentiful food and water, the rabbits would be less likely to face resource scarcity and increased competition, leading to fewer deaths.
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can someone give me the answers in order please
A car was valued at $45,000 in the year 1991. The value depreciated to $12,000 by the year 2000.
A) What was the annual rate of change between 1991 and 2000?
r=-------------Round the rate of decrease to 4 decimal places.
B) What is the correct answer to part A written in percentage form?
r=------------%
C) Assume that the car value continues to drop by the same percentage. What will the value be in the year 2003 ?
value = $----------------Round to the nearest 50 dollars.
The total change in value is $45,000 - $12,000 = $33,000. The annual rate of change is 0.0495. Converting the rate of change to a percentage is 4.95%. Assuming the car value continues to drop by the same percentage, the value of the car in 2003 is $10,850.
What is a percentage?A percentage is a way of expressing a number as a fraction of 100. Percentages are typically expressed using the symbol "%".
In the given question,
A) The total change in value is $45,000 - $12,000 = $33,000. The time period is 9 years (2000 - 1991). Therefore, the annual rate of change is:
r = [tex](Change in value / Initial value) ^ (1/Time period)[/tex] - 1
r = [tex]($33,000 / $45,000) ^ (1/9)[/tex] - 1
r = 0.0495
Rounding this to 4 decimal places, the annual rate of change is 0.0495.
B) Converting the rate of change to a percentage:
r = 0.0495 * 100
r = 4.95%
Therefore, the answer to part A in percentage form is 4.95%.
C) Assuming the car value continues to drop by the same percentage, we need to calculate the value of the car in the year 2003. The time period from 2000 to 2003 is 3 years. Therefore, the value of the car in 2003 can be calculated as follows:
Value in 2003 = $12,000 * [tex](1 - r) ^ 3[/tex]
Value in 2003 = $12,000 * [tex](1 - 0.0495) ^ 3[/tex]
Value in 2003 = $10,840.09
Rounding this to the nearest 50 dollars, the value of the car in 2003 is $10,850.
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Estimate the cost of painting a concrete patio if it is a 12 foot by 14 foot rectangle, and a quart of paint that covers 53 square feet costs $10.99
Answer:
$43.96
Step-by-step explanation:
We first need to find the area of the patio which is 12-foot by 14-foot
12 ft * 14 ft = 168 sq ft
next, we need to know how many quarts are needed to cover the entire area of the patio, and we know a quart cover 53 square feet, so we divide the total area of the patio by 53:
168 sq ft ÷ 53 sq ft/quart ≈ 3.17 quarts
We'll need to buy 4 quarts of paint to cover the entire patio.
The cost of 1 quart of paint is $10.99, so the total cost of 4 quarts will be:
4 quarts x $10.99/quart = $43.96
Therefore, the estimated cost of painting the concrete patio will be around $43.96.
Ella invested $4,800 in an account paying an interest rate of 2 1 8 2 8 1 % compounded quarterly. Santiago invested $4,800 in an account paying an interest rate of 2 3 8 2 8 3 % compounded daily. After 18 years, how much more money would Santiago have in his account than Ella, to the nearest dollar?
Answer:331
Step-by-step explanation:
7360.3097-7029.415≈330.8947
Santiago could have $81 more than Ella after 18 years.
To calculate the amount of money each person can have after 18 years, we are able to use the formulation for compound interest:
[tex]A = P(1 + r/n)^{(nt)[/tex]
Wherein:
A = the final amountP = the principalr = the interest price n = the number of times the interest is compounded in step with yeart = the number of yearsFor Ella's investment:
P = $4,800
r = 2.28125% = 0.0228125
n = 4
t = 18
[tex]A = 4800(1 + 0.0228125/4)^{(4*18)[/tex]
A = $8,481.48
For Santiago's investment:
P = $4,800
r = 2.28333% = 0.0228333
n = 365 (compounded daily)
t = 18
A = 4800(1 + 0.0228333/365)^(365*18)
A = $8,562.02
The distinction of their final amounts is:
$8,562.02 - $8,481.48 = $80.54
Therefore, Santiago could have $81 more than Ella after 18 years.
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A, B & C form the vertices of a triangle.
∠
CAB = 90°,
∠
ABC = 59° and AC = 9.3.
Calculate the length of AB rounded to 3 SF.
What are the multiplicative and additive inverses of -7?
a
multiplicative inverse 1/7; additive inverse -7
b
multiplicative inverse 1/7; additive inverse 7
c
multiplicative inverse -1/7; additive inverse -7
d
multiplicative inverse -1/7; additive inverse 7
pleaase help im have a 77 in her class smh
What is 7/10 changed into a decimal
Answer:
0.7
Step-by-step explanation:
[tex]\frac{7}{10}=\frac{70}{100}=0.70[/tex]
I need help with this
Answer:
The solution for problem a is cross multiplication
5×500=2500 and 15×x=15× so 15×=2500
divide both sides by the coefficient 15. 15x ÷15=×
divide 2500 by 15=500
x=500/3= approximately 166.7
Solution for b:
This one's easy!!
10/20=x/500
cross multiply
10×500=5000
20×X=20x
now we have the equation. 20x=5000
stay with me. I hope this makes sense ^_^
divide both sides by the coefficient 20
20x÷20=x
5000÷20=250
x=250
a is true
i hope this helps ;)
At the start of a game of marbles, Peter and Jack had 160 marbles in all. In the first round, Peter lost 3/5 of his marbles to Jack. In the second round, James lost 3/7 of his marbles to Peter. At the end of the second round of the game, they had the same number of marbles. How many marbles did each of them have at first?
Answer: Therefore, at the start of the game, Peter had 80 marbles and Jack had 80 marbles.
Step-by-step explanation:
How do you solve this?
Answer:
[tex]100\pi \text{ in}^3[/tex]
Step-by-step explanation:
Volume of a Cone Equation:
[tex]v = \frac{1}{3}\times \pi \times r^2 \times h[/tex]
1) Find h
Use the Pythagorean Theorem to find h
[tex]a^2 \times b^2 = c^2[/tex]
Change diameter to radius. (10 in ---> 5in)
a = 5
[tex]1) 5^2 + b^2 = 13^2\\\\2) 25 + b^2 = 169\\\\3) b^2 =144\\\\4) 12[/tex]
Step 2) Subtract 25 on both sides so [tex]b^2[/tex] is alone
Step 3) Square root both sides
Step 4) h = 12
2) Plug in known variables:
h = 12 in
r = 5 in;
Equation now:
[tex]v = \frac{1}{3} \times \pi \times 5^2 \times 12[/tex]
3) Solve:
[tex]1) \frac{1}{3} \times \pi \times 5^2 \times 12\\\\2) \frac{\pi}{3} \times 5^2 \times 12\\\\3) \frac{\pi}{3} \times 25 \times 12 \\\\4) \frac{\pi}{3} \times 300\\\\5) \frac{300\pi}{3} \\\\\text{Simplify:}\\100\pi[/tex]
The latin dance club needs go raise more than 178.50 to buy costumes. The club already has 35.70. which inequality shows how much money each of the 7 club number needs to raise m if each person rasises the same amount
Answer:
its on quizzes
Step-by-step explanation:
I NEED THIS ANSWER TO THIS QUESTION
You should invest $139.07 each month to end up with $17,000 in 8 years, assuming a guaranteed APR of 4.5%.
What is annual interest rate?The annual interest rate (also known as the annual percentage rate or APR) is the amount of interest that is charged on a loan or investment over the course of one year.
According to question:To calculate the monthly deposit needed to reach the target amount of $17,000 in 8 years at a guaranteed APR of 4.5%, we can use the formula for future value of an annuity:
FV = P * ([tex](1 + r/n)^(n*t)[/tex] - 1) / (r/n)
where FV is the future value, P is the monthly payment, r is the annual interest rate, n is the number of compounding periods per year, and t is the number of years.
In this case, we want to find the monthly payment (P), and we know that:
FV = $17,000
r = 4.5% = 0.045 (decimal)
n = 12 (since we are making monthly deposits)
t = 8
When these values are added to the formula, we obtain:
$17,000 = P * ([tex](1 + 0.045/12)^(12*8)[/tex] - 1) / (0.045/12)
Simplifying and solving for P, we get:
P = $139.07
Therefore, you should invest $139.07 each month to end up with $17,000 in 8 years, assuming a guaranteed APR of 4.5%.
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answer?
i been struggling crazy......................
Answer:
50
Step-by-step explanation:
25+25 whcih mdans this must be added to get 50 becuase 25 + 35 is 50
Complete the table to show equipment measures
Mathematics is a field that involves primarily abstract reasoning and mental calculations, but there are still several types of equipment that mathematicians may use to aid in their work.
What are different equipments use in mathematics?
1.) Calculator: A calculator is an electronic device that performs arithmetic operations quickly and accurately. It is often used by mathematicians to check their calculations, solve equations, and perform more complex calculations.
2.) Protractor: A protractor is a tool used to measure and draw angles. It is commonly used in geometry and trigonometry to draw and measure angles of various shapes.
3.) Compass: A compass is a tool used to draw circles and arcs. It is commonly used in geometry to draw circles, bisect angles, and construct various geometric shapes.
4.) Ruler: A ruler is a straightedge tool used to measure lengths and draw straight lines. It is commonly used in geometry and algebra to draw graphs, construct figures, and measure distances.
5.) Graph paper: Graph paper is a type of paper that has a grid of small squares printed on it. It is often used in algebra and geometry to draw graphs, plot data, and make calculations.
The question doesn't contain any table and is incomplete, below is the complete question -
Fill in the table with equipment measurements.
Equipment Code: The required field for the primary key.
Standard for equipment: The kind of equipment. confirmed by the listing of equipment standards.
Use of Equipment: Describe how the piece of equipment is used in this field.
categorization: Select a categorization for this piece of equipment using the field provided. The Condition Assessment programme organises and categorises your data using this classification.
Equipment state: To characterise the equipment's condition, select one of the values from the list box: new, good, fair, or poor.
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