Marisol is making a rectangular wooden frame. She wants the length of the frame to be no more than 12 inches. She has less than 30 inches of wood to use. Which system of inequalities represents the possible length, l, and the possible width, w, that her frame could have?
l ≤ 12
2l + 2w < 30
l > 12
2l + 2w < 30
l ≤ 12
l + w < 30
l > 12
l + w < 30
Answers
The system of inequalities represents the possible length, l, and the possible width, w, that her frame could have is l ≤ 12 and 2l + 2w < 30
How to determine the system of inequalities represents the possible length, l, and the possible width, w, that her frame could have?The given parameters are
Length = Not more than 12 inches
Perimeter = Less than 30 inches
"Not more than" means less than or equal to
So, we have
l ≤ 12
The perimeter of a rectangle is
P = 2l + 2w
So, we have
2l + 2w = Less than 30 inches
"Less than" is represented with <
So, we have
2l + 2w < 30
Hence, the system of inequalities represents the possible length, l, and the possible width, w, that her frame could have is l ≤ 12 and 2l + 2w < 30
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Answer:
a. I ≤ 12
2l + 2w < 30
Step-by-step explanation:
i got it right on edge.
Related Questions
in one study, small businesses starting out spent what percentage of sales on marketing? question 22 options: 5 to 10% 8 to 15% 15 to 19% 25 to 32%
Answers
The proportion of initial sales were spent on marketing by small businesses is between 5 and 10%.
The correct option is A.
Briefing:The U.S. Small Business Administration estimates that small businesses typically want to spend between 7-8% of one‘s revenue on marketing, provided that their companies have profit margins of 10-12%.
How does marketing influence sales?In order for sales to know exactly where the buyers are and assist them in progressing toward a purchase, marketing can give sales representatives the opportunity to be as knowledgeable as the buyers themselves. In summary, marketing can actually improve sales representatives' performance, which can have an effect on revenue generation.
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I understand that the question you are looking for is:
In one study, small businesses starting out spent what percentage of sales on marketing?
A) 5 to 10%
B) 8 to 15%
C) 15 to 19%
D) 25 to 32%
How many times larger is (1.088 x 101) than (8 x 10−1)?
13.6
8.704
7.35
0.136
Answers
Answer:
0.136
Step-by-step explanation:
If we want to find out how many times larger a number is, they need to have the same amount of exponents to make it easier.
We can move the decimal point in (8 * 10^-1) (which equals 0.8) by 1 to the right, so it's exponent is now 1, same as the (1.088 * 10^1). Now we can divide.
1.088/8 is 0.136, so that is your answer.
Draw a line representing the "rise" and a line representing the "run" of the line. State the slope of the line in simplest form.
Answers
The slope of the line as shown in the diagram attached below = rise/run = 3/5.
How to Find the Slope of a Line Using Rise and Run?The rise of a line over the run of a line would give us the slope of a line on a coordinate plane.
With the given line in the diagram, the image attached below shows the rise as represented by a red line while the run is represented by the blue line.
Therefore, we have:
Run = 10 units
Rise = 6 units
Slope (m) of the line = rise/run = 6/10
Simplify
Slope (m) of the line = 3/5
Therefore, the slope of the line as shown in the diagram attached below = rise/run = 3/5.
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Simplify. (7^{6})^{2}(7
6
)
2
Answers
The result of the exponent given is 7^12
Solving exponentsIn order for us to solve the exponential expression given, we will use the law of exponent below;
(a^m)^n = a^mn (multiply the powers)
Given the expression
[tex](7^{6})^{2}[/tex]
Multiply the exponents to have;
7^6(2)
7^12
Hence the result of the exponent given is 7^12
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Find the value of x in each case please
Answers
The value of x as given in the diagram is 18
Supplementary anglesThe sum of supplementary angles is 180 degrees. From the given figure;
The measure of the angle 2x and 8x are supplementary such that;
2x + 8x = 180
10x = 180
Divide both sides by 10 to have:
10x/10 = 180/10
x = 18
Hence the value of x as given in the diagram is 18
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determine if the numerical value describes a parameter or a statistic. a recent poll of 2707 home owners in michigan showed that the average price of their houses is $265,000
Answers
The numerical value is a statistic.
What is a statistic?A parameter is a value that is used to describe a whole population. A statistic is a number that describes a sample.
There would be more than 2707 homeowners in Michigan. Thus, only a sample of all homeowners was used. Since a sample was used the numerical value is a statistic.
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PLS HELP!!!
Fine the measure of the angle indicated in bold. Then find the measure of the other indicated angle.
Answers
The answer for the following questions are:
x= 3x= 10x= 43 = x3 = xx= 8x= 8x=9x=5 x=6What is an angle?An angle is formed when two straight lines or rays meet at a common endpoint.
11. 5+35x + 24x - 2 = 180 (linear pair)
59x = 177
x= 3
12. 15 + 10x = -5 + 12x (corresponding angle)
20 = 2x
x= 10
13. 13x -4 + 8 +9x =180 (linear pair)
22x +4 = 180
22x = 176
x= 4
14. 24x + 3 = 25x (alternate interior angle)
3 = x
15. 32x + 4 = 1 + 33x ( corresponding angle)
3 = x
16. 13x+ 11 = 15x - 5 (alternate interior angle)
-2x = -16
x= 8
17. 15x + 8x -4 = 180 (linear pair)
23x = 184
x=8
18. 9x +16 = 11x -2 ( Vertically opposite angle)
-2x = -18
x=9
19. 5+ 17x = 19x -5 (alternate interior angle)
2x = 10
x=5
20. 8x - 3 + 23x -3 =180 ( Linear pair)
31x = 186
x=6
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with a random sample, each individual has the same chance of being selected. with a simple random sample, all samples of the same size have the same chance of being selected.
Answers
A subset of a statistical population called a simple random sample is one in which each member has an equal chance of being chosen.
What is Probability sampling?
A probability Slice is a process of opting for a sample from a population when the selection is grounded on the randomization principle, frequently known as chance or arbitrary selection. In general, a probability slice is more delicate, time-consuming, and precious than a non-probability slice.A random/ arbitrary sample is similar to a straightforward arbitrary sample. The distinction between the two is that any object in the population has an equal probability of being named with a simple arbitrary slice. Every item doesn't inescapably have an equal chance of being chosen in an arbitrary slice.
A random/ arbitrary sample is one that was named at arbitrary. It should really be labeled as a sample that was chosen at arbitrary. In order to help bias and other negative goods, arbitrary samples are employed. In fact, it's not as easy as it seems to opt for a arbitrary sample that involves further than simply opting for 100 people from a population of 1000. Make sure your arbitrary sample is actually random/ arbitrary before using it.
The liability of a straightforward random/ arbitrary slice, a subset of a statistical population called a simple random/ arbitrary sample is one in which each member has an equal chance of being chosen. A straightforward arbitrary sample is intended to offer an objective definition of a group.
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The rectangle below has an area of x^2+8x+15x
2
+8x+15x, squared, plus, 8, x, plus, 15 square meters and a width of x+3x+3x, plus, 3 meters.
What expression represents the length of the rectangle?
A rectangle with a width of x plus three and an unknown length. The area of the rectangle is x squared plus eight x plus fifteen.
Answers
The length of the given rectangle is x + 5 meters.
What is a rectangle?A rectangle is a quadrilateral with four right angles in the Euclidean plane. It can alternatively be described as a parallelogram with a right angle or an equiangular quadrilateral, where equiangular denotes that all of its angles are equal.Given:
Area of rectangle = x² + 8x + 15 sq.metersWidth = x + 3 metersTo find: Length of the rectangle
Finding:
Let 'a' be the length of the rectangle.
We know that area of a rectangle = length * width
On substituting the given values in the above formula, we get:
=> x² + 8x + 15 = a (x + 3)
=> a = [tex]\frac{x^2+8x + 15}{x+3}[/tex]
=> a = [tex]\frac{(x+5)(x+3)}{x+3}[/tex]
=> a = x + 5
Hence, The length of the given rectangle is x + 5 meters.
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what are the area and perimeter of a polygon with vertices (1,-2) , (1,5) , (7,-2)
Answers
The area and perimeter of a polygon with vertices (1,-2) , (1,5) , (7,-2)
A=23.27644 units^2
What are the area and perimeter of a polygon with vertices (1,-2) , (1,5) , (7,-2)?Let
A= (1,-2) ,
B=(1,5) ,
C=(7,-2)
Therefore, the equation for distance is mathematically given as
d=\sqrt {(x^2-x^1)^2+(y^2-y^1)^2}
Therefore For AB
[tex]d=\sqrt {(-2-1)^2+(5-1)^2}[/tex]
d=5
For BC
[tex]d=\sqrt {(5-1)^2+(-2-7)^2}[/tex]
d=9.84
for CA
[tex]\sqrt {(5-1)^2+(-2-7)^2}[/tex]
9.486
Hence, Perimeter
P=9.486+9.84 +5
P=24.326
In conclusion, the Area of a triangle
A = √s(s−a)(s−b)
Where
s=24.326/2
Therefore
[tex]A=\sqrt{24.326/2((24.326/2)-5)((24.326/2)-9.486 )((24.326/2)-9.84 )}[/tex]
A=23.27644 units^2
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Fraction between 0.3 and 0.2
Answers
Answer:
1/4
Step-by-step explanation:
(0.2+0.3) / 2 = 0.25
0.25 = 25% = 25/100 = 1/4
Answer: 3/2
Step-by-step explanation:
[tex]\displaystyle\\0.3:0.2=\\\\\frac{3}{10} :\frac{2}{10}=\\\\ \frac{3}{10}*\frac{10}{2} =\\\\\frac{(3)(10)}{(10)(2)}=\\\\ \frac{3}{2}[/tex]
Write the equation of the line in fully simplified slope-intercept form.
x
Answers
F(x)= 4/5x+ 8
Evaluate each expression. Express the result in scientific notation.
Answers
Answer:
4. [tex]6.3 \times 10^4[/tex]
6. [tex]3.75 \times 10^{-19}[/tex]
Step-by-step explanation:
9.45 * 10^10 / (1.5 * 10^6) = 9.45 / 1.5 * 10^10 / 10^6 = 6.3 * 10^4
9 * 10^(-11) / (2.4 * 10^8) = 9 / 2.4 * 10^(-11) / 10^8 = 3.75 * 10^(-19)
HELP !!!
(Laws of Exponents with Whole Number Exponents MC)
Evaluate 3.5 raised to the seventh power divided by 3.5 raised to the sixth power, all raised to the second power.
1
3.5
7
12.25
Answers
The value of the expression [3.5⁷ / 3.5⁶]² will be 12.25. Then the correct option is D.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
The expression is given below.
⇒ [3.5⁷ / 3.5⁶]²
Simplify the expression, then the value of the expression will be
⇒ [3.5⁷ / 3.5⁶]²
⇒ [3.5]²
⇒ 12.25
The value of the expression [3.5⁷ / 3.5⁶]² will be 12.25. Then the correct option is D.
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Agnes scored 82 on her first test, 69 on her second test, and 84 on her third test. Suppose Agnes has one more test in the semester and what’s to finish with a mean im score of 80
What score does she need on her last test to finish with a mean score of 80?
Answers
Answer:
Agnes would need to score a 85 to get an average of 80.
Step-by-step explanation:
[tex]\frac{82+69+84+x}{4}[/tex] = 80 multiply both sides by 4
82+69+84+X = 320
235+X = 320 subtract both sides by235
x = 85
What is the inequality shown
Answers
Answer:
-4 [tex]\leq[/tex] x [tex]\leq[/tex] 3
Step-by-step explanation:
The filled in dots mean that those numbers are included
questionten times a number, x, is one-half the sum of the number and three. which answer represents this situation? 10x
Answers
The solution of the equation 20x = x + 3 will be 3 / 19. Then the correct option is A.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
Making anything easier to accomplish or comprehend, as well as making it less difficult, is the definition of simplification.
Ten times a number, x, is one-half the sum of the number and three. Then the equation will be
10x = 1/2(x + 3)
Simplify the equation, then we have
20x = x + 3
19x = 3
x = 3 / 19
Thus, the solution of the equation 20x = x + 3 will be 3 / 19. Then the correct option is A.
Your question was incomplete, probably the question was...
Ten times a number, x, is one-half the sum of the number and three. Which answer represents this situation?
A. 10x = 1/2(x + 3)
B. 10x = 1/2x
C. 10x = 1/2x + 3
D. 10x = (x + 3)
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Gwen davis is a middle school math teacher. she starts today's lesson by introducing the topic of percent increase and percent decrease and reviewing decimals and percents. then, she develops student understanding by explaining and modeling the process of solving percent increase and percent decrease problems. based on the strategy gwen has chosen, what should her next step be
Answers
Grew Davis next step would be to give homework for the students and conduct a test in the next week .
Gwen Davis is a middle school math teacher.
she starts today's lesson by introducing the topic of percent increase and percent decrease and reviewing decimals and percent
How do I calculate a percentage decrease?
Percentage decrease formula can be obtained by simply dividing the decreased value by the original value and multiplying that with 100. Here, Decreased Value = Original Value – New Value.
How do you calculate a 20% increase?
Multiply the original value by 0.2 to find the amount of a 20 percent markup, or multiply it by 1.2 to the original value
Hence , Grew Davis next step would be to give homework for the students and conduct a test in the next week .
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Jane ordered a few moving boxes from a local store as she is relocating to Atlanta.
She returned 28 damaged boxes. She allotted the remaining boxes equally for
each of the four rooms from which her belongings had to be packed. If 5 boxes
were used for each
room, how many boxes did she receive from the store
initially?
Answers
48 boxes did she receive from the store initially in probability.
How does probability explain work?
Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about how probable an event is to happen, or its chance of happening.Basic probability is governed by three primary rules: the addition rule, the multiplication rule, and the complement rule.Since there is a 50% chance that the outcome will be heads, we can anticipate 50 heads. But when we actually test it, we may get 48 heads, 55 heads, or anything else at all, though it will typically be a figure close to 50.Based on the given conditions formulate = 28 + 5 * 4
Calculate the product or quotient = 28 + 20
calculate the sum or difference = 48
get the result = 48
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Me podrian ayudar con estos dos problemas? porfavor es urgente:(
Answers
What is f(a+2)? Help
Answers
Answer:
[tex]\frac{(5+a)}{(a-1)}[/tex]
Choice A
Step-by-step explanation:
[tex]f\left(x\right)\:=\:\frac{\left(3+x\right)}{\left(x-3\right)}[/tex]
[tex]x = a + 2[/tex]
Substitute x with a+2
Numerator becomes [tex]3 + (a+2) = 5+a[/tex]
Denominator becomes [tex](a+2) - 3 = a+2-3 = a - 1[/tex]
Therefore the fraction becomes [tex]\frac{(5+a)}{(a-1)}[/tex]
What is the value of -56+2(-3) - (-80)
Answers
Answer:
18
Step-by-step explanation:
-56+2(-3) - (-80)
Simplify.
-56+2(-3) - (-80)=
=-56 - 6 + 80=
=-62+80=18
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Sheila wants to build a rectangular play space
for her dog. She has 100 feet of fencing and
she wants it to be 5 times as long as it is wide.
What dimensions should the play area be?
Answers
The dimensions of the rectangular play area should be: 41.5 x 8.3 feet.
What is a rectangle?A rectangle is a quadrilateral with four right angles in the Euclidean plane. It can alternatively be described as a parallelogram with a right angle or an equiangular quadrilateral, where equiangular denotes that all of its angles are equal. A square is a rectangle with four equally long sides.Now,
Given:
Fencing available = 100 feetLength = 5 times the widthTo find: Length and Width.
Let the width of the rectangular play area be x.
Then, the length = 5x
According to the formula of perimeter of a rectangle,
100 = 2 (x + 5x)
=> 50 = 6x
=> x = 8.3 feet (Approx.)
That is the width of the play area = 8.3 feet
=> Length = 5(8.3) = 41.5 feet.
Hence, The dimensions of the rectangular play area should be: 41.5 x 8.3 feet.
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Please help with problem 12
Answers
The pair of ratios that form a proportion is given by:
B) 5/15 and 4/12.
What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct(when both increase or both decrease) or inverse proportional(when one increases and the other decreases, or vice versa), can be built to find the desired measures in the problem, or equations to find these measures.
A pair of ratios will form a proportion if the division of the denominator by the numerator is the same, hence:
15/5 = 3.12/4 = 3.The pair of ratios that form a proportion is given by:
B) 5/15 and 4/12.
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(2.5+5/3)divided 4/3-2.25
Answers
Answer:
7/8
Step-by-step explanation:
add your decimal your fraction inside parentheses then divide it by the rest of the equation
Which choice is a correct equation for the graph shown below?
A y = 2x + 20
B. y = 3x + 1
C. y = 10x + 5
D. y = 15x + 35
Answers
Answer:
C
Step-by-step explanation:
y = mx +b The b is where the graph crosses the y axis. If you look a the graph it is crossing at 5. The m is the slope. It is the change in y over the change in x. If you start at 5 and go up10 and over 1, you will be on the line. So our slope is 10/1 which is just 10
Answer:
C
Step-by-step explanation:
it starts on 5 and goes up by 10
Multiply. 4 × ( - 7 )
Answers
The answer is -28
How to calculate the multiplication ?We're asked to multiply 4 by -7
The multiplication is straight forward, the first number is a positive integer and the second number is a negative integer
4 × (-7)
= -28
Hence the multiplication of both numbers will give -28
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Lesson 2: Data Representations
The dot plot, histogram, and box plot represent the distribution of the same data in 3 different ways.
Battery life in hours
What information can be seen most easily in the dot plot
Answers
x=x
Step-by-step explanation:
finding by mathematical operation and distribution law over multiplication added with subtraction is the formula now it might be easy for you
unit 2 sample work due aug 29 3 of 103 of 10 items question order the integers from least to greatest: -9, 5, 2, -8, 0, 10, -12 0, 2, 5, -8, -9, 10, -12 0, 2, 5, -8, -9, 10, -12 -12, -9, -8, 0, 2, 5, 10 -12, -9, -8, 0, 2, 5, 10 -9, -8, 0, 2, 5, 10, -12 -9, -8, 0, 2, 5, 10, -12 -8, -9, -12, 0, 2, 5, 10
Answers
The integers from least to greatest is -12<-9<-8<0<2<5<10.
The given set of numbers are -9, 5, 2, -8, 0, 10, -12.
We need to order the integers from least to greatest.
What is ascending order of integers?Ascending order refers to the arrangement of numbers or other items in increasing order from smallest to largest. Numbers that we see on a number line from left to right are examples of ascending order. We usually represent it by putting commas between numbers or by using the 'less-than symbol (<)' between numbers.
With negative numbers, the highest number with the negative sign has the least value.
So, -12<-9<-8<0<2<5<10.
Therefore, the integers from least to greatest is -12<-9<-8<0<2<5<10.
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The approximate mean age is _____ years.
(Round to one decimal place as needed.)
Age
0-9
10-19
20-29
30-39
40-49
50-59
60-69
70-79
80-89
Frequency
23
22
24
15
31
48
34
18
4