Answers
Answer: C
x = Grace's collection
3x = Maci's collection
4 = Kendra's collection
52 = Total collection
Because the total is 52, the equation would be x + 3x + 4 = 52. Add the like terms to get 4x+4=52. Subtract 4 on both sides to get 4x=48. Divide 4 on both sides to get x = 12. Because Maci's collection is 3x, she should have 36 earrings.
Related Questions
Mariana spent $166.50 on games played at a laser tag arena
last year. If the laser tag arena charges $4.50 per game, how
many games did Mariana play at the arena last year?
Answers
Answer: 37
Step-by-step explanation:
divide the total that she spent over how much each game is (166.50/4.50). this will give you the number of games that she played.
Solve for s.
Give an exact answer.
63 – 4= 8(2+1/4s)
Answers
Answer:
s=5
Step-by-step explanation:
6s-4=8(2+1/4s)
6s-4=16+2s
4s-4=16
4s=20
s=5
Answer:
5
Step-by-step explanation:
6s-4=8x2 + 8x1/4s
6s -4 =16+2s
6s-2s = 16 +4
4s=20
s=5
HELP PLSSS I NEED THIS QUICK!!!!!
Answers
Answer: Its B
Step-by-step explanation:
The principal at a middle school gave a survey to randomly selected students, asking which activity of the after-school program they were attending.
A bar graph matching students with activities
1.
Choose the best answers.
If the middle school had 2,000 students, how many students out of the total student population would she have expected to participate in each of the following activities?
Answers
Take a picture of the graph then re- upload the question with the same words from this one. without it i cannot solve the problem and the whole math equation relies on that graph which isn't here
What is the median for the following set of data?
5, 7, 8, 10, 12, 12
A.12
B.10
C.9
D.7
Answers
Answer:
C.)9
Step-by-step explanation:
You add up all your data to get 54 and divide by the amount of numbers you had in the data which was 6. So if you divide 54 by 6 you get 9.
What is the area of the shaded region in the archery target? Use 3.14 for pi.
Answers
Answer:
690.8 in^2
Step-by-step explanation:
First find the area of the three circles, by doing 3.14 r^2
With the innermost circle, 3.14 6^2 --> 113.04
With the second circle, 10 inches + 6 inches (inner circle radius), 3.14 16^2 --> 803.84.
With the outermost circle, you don't need it for the problem.
Then, we do subtraction to find the area of the shaded region, removing the "dount hole".
803.84 - 113.04 = 690.8 in^2
together Larry and Lenny have $\$$35. Larry has two-fifths of Lenny's amount. How many more dollars than Larry does Lenny have
Answers
The answer which we get after calculating from the data given is that Larry has 15 dollars more than Lenny.
Let the amount which Lenny is having be x
then the amount which Larry is having will be (2/5)x
and on combining them it makes $35 .
Which means, x + 2x/5 = 35
On simplifying this equation we will get ,
(7/5)x= 35 ,
multiplying both the sides by 5/7
x= (5/7)*35 = $25
Therefore , Lenny is having 4 25.
So Larry must be having , $(35 - 25) = $10
So , we can conclude that Lenny has more dollars. The difference is of 15 dollars.
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Need help ! Due soon
Answers
-7x+y=-19 In standard form
Answers
Answer: x= 1/7y + 19/7 (Standard form will be:7x−y=19)
Step-by-step explanation:
Step 1: Add -y to both sides.
−7x+y+−y=−19+−y
−7x=−y−19
Step 2: Divide both sides by -7.
−7x/−7
= −y−19/−7
x= 1/7y + 19/7
would you earn a greater total commission with Sara or Ravi?
The current ratio of Sara's sales to Ravi's sales is 100:2
Sara's pieces of art sell for $25 each your commission is 60%
Ravi's pieces of art sell for $2000 each your commission is 25%
as a professional artist assume you will make pieces of art that sell at the same sales ratio as the artist with whom you apprenticed. would you earn more as a professional after apprenticed for Sara or Ravi?
Answers
As a professional artist and judging from the current sales ratio and commission rates, one would earn more if one apprenticed for Sara.
Which of Sara and Ravi guarantees more earnings after apprenticeship?As evident in the task content; the current ratio of Sara's sales to Ravi's sale is 100 : 2.
Since Sara's pieces of art sell for $25, the total earnings is; 25 × 100 = $2500.
Hence, since the commission rate is 60%, it follows that the commission earned on sales of Sara's pieces is; 60% of 2500 = 0.6 × 2500 = $1500.
Also, since Ravi's pieces each cost $2000, it follows that for 2 pieces, the total earnings is; 2 × $2000 = $4,000.
Hence, since the commission rate for Ravi's pieces is 25%, the commission earned is therefore; 25% of 4000 = 0.25 × 4000 = $1000.
On this note, one would earn more if one apprenticed for Sara.
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Write an equation in slope-intercept form of the line that passes through the points (-5,-12) and 2,9) .
The equation is y=
Answers
Answer:
y=3x+3
Step-by-step explanation:
Which equation below best models the line of best fit for the data?
y=2x+1
y=-2x+1y=−2x+1
y=2x+20y=2x+20
y=-2x-20y=−2x−20
Answers
Answer:
y=-2x-20y=−2x−20
Step-by-step explanation:
best models the line of best fit for the data
T h e r e a r e 235 seven t h - g r a d e st u d e n t s g o i n g o n a fi e l d t r i p . T h e sc h o o l h a s 5 b u se s t o t a k e t h e st u d e n t s. E a c h b u s h a s 22 se a t s, a n d 2 st u d e n t s c a n si t i n e a c h se a t . B a se d o n t h i s i n f o r m a t i o n , h o w m a n y st u d e n t s w i l l n o t b e a b l e t o r i d e o n a b u s f o r t h e fi e l d t r i p ?
Answers
The number of students who will not be able to ride on the bus for the school trip is given by the equation A = 15 students
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
The total number of students for the trip = 235 students
The number of buses = 5 buses
The number of students in a bus be = B
Now , each seat on the bus can occupy = 2 students
So , 22 seats can occupy = 22 x 2 students
22 seats in the bus can occupy = 44 students
So , the number of students in a bus B = 44 students
And , the total number of students in 5 buses = 5 x number of students in a bus B
Substituting the values in the equation , we get
The total number of students in 5 buses = 5 x 44
The total number of students in 5 buses = 220 students
So , the remaining number of students A = total number of students for the trip - total number of students in 5 buses
Substituting the values in the equation , we get
The remaining number of students A = 235 - 220
The remaining number of students A = 15 students
Therefore , the value of A is 15 students
Hence , the number of students is 15 students
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How fast is a motorcycle that is going 6 miles in 4 minute?
Answers
Because miles/time = how fast so...
6/4 = 1.5
Answer:90
Step-by-step explanation:
Find the area of the right triangle below.
9m
4m
Answers
Area = 1/2*base*height = 1/2*9*4 = 18 sq.m
The length and breadth of the three rectangles are as given below:(a) 9 m and 6 m(b) 17 m and 3 m(c) 4 m and 14 mWhich one has the largest area and which one has the smallest?Solution:
We will be using the area of rectangle formula to calculate the areas of the three rectangles given.
(a) Length(l) = 9 m and Breadth(b) = 6 m
Area of rectangle = l × b
= 9 × 6
= 54 m2
(b) Length(l) = 17 m and Breadth(b) = 3 m
Area of rectangle = l × b
= 17 × 3
= 51 m2
(c) Length(l) = 4 m and Breadth(b) = 14 m
Area of rectangle = l × b
= 4 × 14
= 56 m2
Therefore, the area of the rectangle with the dimensions 4m and 14m having an area of 56 m2 that is (c) has the largest area whereas, the area of the rectangle with dimensions 17m and 3m having an area of 51 m2 that is (b) has the smallest area.
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knowing the difference between an experimental group and a control group is most relevant to understanding the nature of: group of answer choices random sampling. replication. hindsight bias. independent variables.
Answers
The experimental group is given the experimental treatment, and the comparison group is statistically significant.
Which three attitudes are the basis of the scientific viewpoint?Curiosity, scepticism, and humility are described by historians of science as the three attitudes that form the bedrock of the scientific viewpoint. Larger, more representative sample sizes aid in the production of accurate and valid data.When random sampling is used, every member of the population has an equal chance of being chosen, resulting in the collection of a representative sample. The odds of generalising the study's findings to the population increase with the use of a random sample. The study's margin of error is reduced with higher study sample sizes.) Researcher control over the possibility of reporting false-negative or false-positive findings is made possible by larger sample sizes. Results will be more precisely predicted with a larger sample size.To learn more about random sampling refer to :
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which expression is equivalent to -3(4x-2)-2x
Answers
Answer:
d
Step-by-step explanation:
-3(4x+2)-2x
-12x+6-2x
-14x+6
Answer:
*error* error* This account is here to assist CodeName: ELA/ LANGUAGE ARTS/ ENGLISH. Please say RESET in order for me to go back to ELA/ LANGUAGE ARTS/ ENGLISH.
Step-by-step explanation:
Please help me with this
Answers
Answer:
2. David practices the most hours of soccer.
3. Jessie and Victor.
Step-by-step explanation:
3. On the x-axis, it shows that David practices the most hours out of all the friends.
2. This is just self explanatory!
Answer:
1. Title: Number of Hours Soccer was Practiced
Label X: Hours Label Y: Names of Maria's Friends
3. David practices the most
4. Jessie and Victor
pls help!!
solve the inequalities
1. x/-3 >_ 12
2. 2x/9-2>10
Answers
In the function, f(x) = 3 − sin(x + π), three transformations have been applied. Briefly describe the three transformations.
Answers
Answer:
The three transformations used are -
Vertical shift
Phase shift
Period
Step-by-step explanation:
Given - Given the function, f(x) = 3 − sin(x + π)
To find - In the function, three transformations have been applied. Briefly describe the three transformations.
Proof -
Given that, The function is f(x) = 3 − sin(x + π)
We know the
The general form of sine function is -
y = Asin(Bx + C) + D
where
A is the Amplitude
The period is [tex]\frac{2\pi }{B}[/tex]
Phase (Horizontal) shift is C
Vertical Shift id D
Here, The function is f(x) = 3 − sin(x + π)
By Comparing with General form of sin function, we get
-1 is the Amplitude
The period is 2[tex]\pi[/tex]
Phase (Horizonal) shift is [tex]\pi[/tex]
Vertical shift is 3
The three transformations used are -
Vertical shift
Phase shift
Period
PLEASE HELP GUYS THANK YOU IN ADVANCED
Answers
Answer:
x=3.5
Step-by-step explanation:
Answer:
x=sqrt(12) or 2sqrt(3)
Step-by-step explanation:
You can just use pythagorean theorem for this.
We can do 4^2+x^2=8^2
This gives us 16+x^2=64.
Simplify: x^2=48
x=sqrt(48)
Now, we can find x!
We just have to do 6^2+x^2=sqrt(48).
We get 36+x^2=48
simplify: x^2=12
Now, x=sqrt(12) or 2sqrt(3)
What is m∠CDE?
A circle with center point A and four chords BE,ED,DC,CB joins to make a trapezoid. The angle at BED is given as 62 degree and also arc angles BE and BC measuring 90 degree and 64 degree respectively
A. 45
B. 62
C. 64
D. 77
Answers
Answer:
45°
Step-by-step explanation:
Angle CDE is half of a right angle
1. 90°/2 = 45°
Nic borrowed $350 to buy a bow. The finance charge on the loan was $25 and the
term on the loan was 45 days. What was the APR for Nic's loan?
1 pts
Answers
In answering the question, we discovered that a sample size of 20 was required in order to reach this conclusion.
How big a sample is it?The sample size is the number of observations used to estimate a certain population. The population was used to determine the sample size.
The act of promoting a product to increase sales is known as advertising. Based on the scenario given, the advertisement is misleading for the following reasons:
For this finding to be reliable, a sample size of 20 samples is rather small. Although the company was aware that the fertilizer treatment might get rid of weeds in approximately 2 weeks, customers said it would take 4 weeks for all of the weeds to die.
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Finn jumped 200 times in 10 hours. At what rate, how many times would he jumped in 12 minutes?
Answers
Answer: 4 times
Step-by-step explanation: I got 4 times. Here's how to solve it:
Set up a proportional relationship, but first, we need to convert 10 hrs into mins:
1 hour = 60 mins
To find how many minutes are in 10 hours, we multiply 60 by 10, which equals 600.
So, therefore there are 600 mins in 10 hours. Now, we can set up our proportional relationship:
[tex]\frac{200}{60} = \frac{?}{12}[/tex]
So, if we know 12 is a factor of 60, we should divide 60 by 12, and we should get 5. So, now we do the same with the 200. We do 200 / 50, and we get 4. I hope this helps!
I'm not good at this stuff i need help quick pleaseeeeee
Answers
EXPLANATION:
The big hypotenuse is 20, and the smaller one is 5
20/5=4
The scale factor is 4.
Since the bigger leg is 16, the smaller one hast to be 4 since 16/4=4.
ANSWER: 4
given the expression 1/4-3/5 select the addition problem that is equivalent to it
Answers
The expression (1/4 - 3/5) is equivalent to the following expressions -
(3/20 - 10/20) (13/20 - 1)(23/20 - 3/2)What is expression?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given is the expression as -
(1/4 - 3/5)
The given expression is -
(1/4 - 3/5)
1/4 - 3/5
(5 - 12)/20
-7/20
We can write the fraction : -7/20 in many ways as given below -
-7/20 = (3/20 - 10/20) = (1/4 - 3/5)
-7/20 = (13/20 - 1) = (1/4 - 3/5)
-7/20 = (23/20 - 3/2) = 1/4 - 3/5)
Therefore, the expression (1/4 - 3/5) is equivalent to the following expressions -
(3/20 - 10/20) (13/20 - 1)(23/20 - 3/2)To solve more questions on expressions, visit the link below -
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9. The diagram below shows a plan for a park. ABCD is a rectangle. APB and DQC are semicircles
centred at X and Y. Given AB = 7 cm and AC = 25 cm. Calculate the perimeter of the park in cm.
Answers
Answer:
this is the answer please give brainliest
The table shows the average speed of
the winner of a car race for different
years. About how many miles did the
winner of the car race in 2015 travel
after 2 hours? Round to the nearest
whole number.
Answers
The distance traveled after 2 hours will be 324 miles.
What is Average speed?Average speed is defined as the ratio of the total distance traveled by a body to the total time taken for the body to reach its destination.
The table shows the average speed of the winner of a car race for different
years.
year average speed
2005 135.17
2010 137.28
2015 161.94
2020 141.11
In order to find out how many miles the winner of the car race in 2015 traveled after 2 hours, we need to know the average speed at which they were traveling, which is given as 161.94 miles per hour. To find out how far they traveled in 2 hours, we can multiply this speed by the time, measured in hours.
So, if the average speed was 161.94 miles per hour, then the distance traveled in 2 hours is:
161.94 miles/hour × 2 hours = 323.88 miles.
Rounding up to the nearest whole number, the distance traveled after 2 hours is 324 miles.
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The question seems to be incomplete the missing table has been attached below
9) The dog pen at doggy daycare has a length of 29 feet and a width of 18 feet.
What is the area of the dog pen?__
What is the perimeter of the dog pen?_
Answers
Answer:
The area of the dog pen is 522 [tex]ft^2[/tex]. (feet squared)
The perimeter of the dog pen is 94 feet
Step-by-step explanation:
Area
Here is the formula for the area of a rectangle.
[tex]A=lw[/tex]
We are given
[tex]l=29\\w=18[/tex]
Lets evaluate [tex]A[/tex].
[tex]A=29*18\\A=522[/tex]
Perimeter
Here is the formula for the perimeter of a rectangle.
[tex]P=2w+2l[/tex]
We are given
[tex]l=29\\w=18[/tex]
Lets evaluate [tex]P[/tex].
[tex]P=2l+2w\\P=(2*29)+(2*18)\\P=58+(2*18)\\P=58+36\\P=94[/tex]
Someone please help me on this & I promise I’ll make sure you get points
Answers
The common factors and the greatest common integer for each pair of numbers are:
Common prime factors Greatest common factor
30, 45 3 and 5 5
40, 70 2 and 5 5
63, 42 3 and 7 7
81, 54 3 3
33, 99 3 and 11 11
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
30 and 45
3 x 5 x 2 = 30
3 x 3 x 5 = 45
Common prime factors = 3 and 5
Greatest common factor = 5
40 and 70
2 x 5 x 4 = 40
2 x 7 x 5 = 70
Common prime factors = 2 and 5
Greatest common factor = 5
63 and 42
3 x 3 x 7 = 63
2 x 3 x 7 = 42
Common prime factors = 3 and 7
Greatest common factor = 7
81 and 54
3 x 3 x 3 x 3 = 81
2 x 3 x 3 x 3 = 54
Common prime factors = 3
Greatest common factor = 3
33 and 99
3 x 11 = 33
3 x 3 x 11 = 99
Common prime factors = 3 and 11
Greatest common factor = 11
Thus,
Common prime factors are given above.
The greatest common factor is given above.
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