MATHEMATICS MIDDLE SCHOOL

Find the surface area of the prism.
It is ___inches squared.

Answers

Answer 1

Answer:

Answer:

Should be 132 square feet.

Step-by-step explanation:

(Triangle surface area = 1/2 × width × length)

(square surface area = width × length)

Now you just add the surface area of all the faces.

If this is correct pls mark me brainly tyy :).

Answer 2

Answer: 132 square feet because once you do all of the math it’s 132

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Park Rangers are counting the deer population in a state park. They divide the park into sections that are each 324 square feet. The width of each section is 12 feet. What is the perimeter of each section of the park?

Answers

The problem is literally telling you the answer. The perimeter would be 324. It is just giving you extra information in the problem that is probably making you confused.

In order to find the perimeter, you have to find the length. It says the area is 324 suare feet, so you must divide 324 by 12 to find length. Once you have length, you have a rectangle. Perimeter is 2 times the length plus 2 times the width, so subsequently the answer is 78 feet.

9/2 as a mixed number

Answers

In order to make $(9)/(2)$ a mixed number you have to do division. $(9)/(2)=4 (1)/(2)$ . Check: $4 (1)/(2)= (4*2+1)/(2)= (9)/(2)$ . Therefore, $(9)/(2)$ as a mixed number is $\boxed{4 (1)/(2)}$ . Hoped I helped. :)

To find a mixed number, you can see that 2/2 can stand for one. So you find out, how many 2/2s are in 9/2. The answer is 4 but then you still have 1/2 left. So you end up with 4.5 or 4 1/2

What is 7+x+5-3=16-8
what is x and how did you work it out

Answers

This problem is tough until you clean it up so you can see what's going on.

On the left side, (7 + 5 - 3) = 9 . So the left side is x + 9 .

On the right side, (16 - 8) = 8.

So the equation is really x + 9 = 8

Subtract 9 from each side: x = -1

$7+x+5-3=16-8 \n \n 7 + x + - 5 - 3 = 16 + - 8 \n \n (x) + (7 + 5 + - 3 ) = ( 16 + - 8 ) \n \n x + 9 = 8 \n \n x + 9 - 9 = 8 - 9 \n \n \huge{\boxed{ x = -1}}$

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Answers

LA=sides (not bases)
LA=2H(L+W)
H=4
L=11
W=7

LA=2*4*(11+7)
LA=8*18
LA=144

answer is 144 cm^2

A yearbook printer charges based on the number of pages printed. Here is a table that shows the cost of some recent yearbooks.Number of pages 50 100 150 200
Cost 1.55 2.25 2.95 3.65

Which equation gives the cost, y, in terms of the number of pages, x?

A.

y = 0.014x + 49.15

B.

y = 0.014x + 1.55

C.

y = 0.014x + 0.85

D.

y = 58.8x + 0.85

Answers

so y=mx+b

cost=m(number of pages)+b

cost=y
# of pages=x

so points are
(x,y)
(50,1.55)
(100,2.25)
(150,2.95)
(20,3.65)

so solve for slope/m you do (y₁-y₂)/(x₁-x₂) so
just use any for example
(1.55-2.25)/(50-100)=-0.70/-50=1 times 0.7/50=7/500= (to convet to decimal form) 14/1000=1.4/100=0.14/10=0.014/1=0.014

slpoe is 0.014

y=0.014x+b

input one of the points exg 50 for x and 1.55 for y and solve for b
1.55=0.014(50)+b
1.55=.7+b
subtract .7 from both sides
0.85=b

so the equation is
y=0.014x+0.85

which is C

There are 100 pennies in a dollar. What fraction of a dollar is 61 pennies? Write it as a fraction, as a decimal,and in word form