MATHEMATICS MIDDLE SCHOOL

The length of a rectangular prism is 8height : 1
surface area:250

what is volume and width

Answers

Answer 1
Answer: Surface area is:

W=width
L=length
H=height

S=2*(L*W+L*H+W*H)

replacing the values

250=2*(8*W+8*1+W*1)

250=2*(8*W+8+W)

250=2*(9*W+8)

dived each member by 2

125=9W+8

9W=125-8

9W=117

\boxed{\boxed{W=13~unit~of~measure}}

The volume of a rectangular prism is

V=L*H*W

V=8*1*13

\boxed{\boxed{V=104~unit~of~volume}}

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Which word describes a triangle with exactly two sides congruent? HELP PLEASE!!!!

A.
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B.
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C.
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Answers


an isosceles triangle has exactly two congruent sides.
i guess its equilateral i think

An architect build a scale model of a sports stadium that was 12 inches. The actual height of the building was 180 feet.Which scale did the architect use to create the scale of the sports stadium?

Answers

Answer:

Scale did the architect use to create the scale of the sports stadium is 1 inch = 15 feet.

Step-by-step explanation:

Given : An architect build a scale model of a sports stadium that was 12 inches. The actual height of the building was 180 feet.

To find : Which scale did the architect use to create the scale of the sports stadium?

Solution :

An architect build a scale model of a sports stadium that was 12 inches.

The actual height of the building was 180 feet.

The scale is determined by number of feet used in 1 inch.

i.e. For 12 inches it is 180 feet

For 1 inch = (180)/(12) feet

1 inch = 15 feet

Therefore, scale did the architect use to create the scale of the sports stadium is 1 inch = 15 feet.

A line has a slope of m=12 and the point (-2, 8) lies on the line. What is the equation of the line?

Answers

You use the point slope formula to solve this.
Formula: y - y1 = m(x - x1)
m = 12
x1 = -2
y1 = 8
so...
y-8=12(x-(-2))
y-8=12(x+2)
y-8=12x+24
y=12x+32

What number is 65% of 98?

Answers

What is 65% of 98? in mathematical terms it means:
X= 0.65*98
multiply 0.65 by 98, that equals 63.7

Answer:

63.7

Step-by-step explanation:

x=0.65*98

Antonio read 1/2 of the pages in a chapter in his book.If he read 9 pages,how many pages are in the chapter??

Answers

9 is 1/2 of the chapter, find the whole. 

9 + 9 = 18
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18 is the number of pages in the chapter 
1/2 = 9 then 1 = 18. The answer is 18.

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Answers

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