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lara31 [8.8K]
3 years ago
10

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Mathematics
1 answer:
jeka943 years ago
3 0

Answer:

what is the question

Step-by-step explanation:

i’d love to help but i need to know

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A data set includes systolic blood pressure measurements from 147 adult females. If we compute the values of sample statistics f
Semmy [17]

Answer:

Sample mean

Sample variance

Sample proportion

Step-by-step explanation:

6 0
3 years ago
What is the area of the triangle in centimeters squared?
MrRissso [65]

Answer:

18

Step-by-step explanation:

5 0
3 years ago
A rectangle has a length of 4x plus 5 and a width of 8x minus 4. Which expression shows the perimeter of that rectangle? A: 4x +
mezya [45]

Answer: The answer is (D) 24x+2.


Step-by-step explanation:  Given that there is a rectangle, where length of the rectangle is given by

\ell=4x+5,

and width of the rectangle is given by

b=8x-4.

We are to find the perimeter of the rectangle. To do so, we need to add two times length with two times breadth of the rectangle.

Therefore, perimeter is given by

p=2\ell+2b=2\times(4x+5)+2\times(8x-1)=8x+10+16x-8=24x+2.

Thus, the correct option is (D).


6 0
4 years ago
Wayne is hanging a string of lights 58 feet long around the three sides of his patio, which is adjacent to his house. The length
podryga [215]

Answer:

The length of the patio is 32 ft and the width is 13 ft

Step-by-step explanation:

see the attached figure to better understand the problem

Let

L ----> the length of his patio

W ---> the width of his patio

we know that

L+2W=58 ----> equation A

L=2W+6 ----> equation B

substitute equation B in equation A and solve for W

2W+6+2W=58

4W+6=58

4W=58-6

4W=52

W=13\ ft

Find the value of L

L=2W+6  ----> L=2(13)+6=32\ ft

therefore

The length of the patio is 32 ft and the width is 13 ft

3 0
3 years ago
Normally a new cell phone costs $500 you only have 450 to spend what happened what percent do you need the phone to be discounte
alina1380 [7]
450/500  how much you have to how much it costs
this equals to 90 % of the complete cost

100%-90%=10%

you need a 10 % discount

hope this helps

5 0
4 years ago
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