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rodikova [14]
3 years ago
7

What does (3+2) 2-7=

Mathematics
1 answer:
Andrej [43]3 years ago
7 0

Answer:

18

Step-by-step explanation:

(3+2)²-7

add the number inside the parentheses

5²-7

the ² above the 5 is called square and that means multiply be him self so:

5*5=25

25-7=18

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HELP PLEASE
BlackZzzverrR [31]

I chose a box of cereal-------> rectangular prism

Part 1)List the dimensions of your box. Be sure to include the units (in, cm, ft, etc.).

Length: 20 cm

Width: 8 cm

Height: 32 cm

Part 2).

 Describe the shape of the cross-section when the box is cut parallel to the base

the shape of the cross-section would be a rectangle of dimensions

20 cm x 8 cm

Part 3)

What is the surface area of the box? 

surface area=2*area of the base+perimeter of the base*height

area of the base=20*8=160 cm²

perimeter of the base=2*[20+8]-----> 56 cm

height=32 cm

surface area=2*160+56*32------> 2,112 cm²

the answer part 3) is

2,112 cm²

Part 4)

What is the surface area of the box if it is scaled up by a factor of 10?

we know that

surface area of the larger box=[scale factor]²*surface area original box

scale factor=10

surface area original box=2,112 cm²

so

surface area of the larger box=10²*2,112-----> 211,200 cm²

the answer part 4) is

211,200 cm²

Part 5) 

What is the volume of the box?

volume of the box=L*W*H-----> 20*8*32------> 5,120 cm³

the answer Part 5) is

5,120 cm³

Part 6) 

What is the volume of the box if it is scaled down by a factor of 1/10

we know that

the volume of the smaller box=[scale factor]³*volume original box

scale factor=1/10

volume original box=5,120 cm³

so

volume of the smaller box=[1/10]³*5,120-----> 5.12 cm³

the answer part 6) is

5.12 cm³

The length is⇒ 6 in., the width is⇒ 2 in., and the height is⇒ 16 in.

please mark brainliest!

8 0
3 years ago
PLEASE ANSWER ALL!!
Xelga [282]

Step-by-step explanation:

constant

variable

coefficient

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4 0
2 years ago
Read 2 more answers
At noon the temperature on Jessica's porch was 75 f .Then the temperature dropped d degrees. By midnight, the temperature on the
Nina [5.8K]

Answer:

D is 12

Step-by-step explanation:

75 - 63 = 12 = D

6 0
2 years ago
Community gym charges a $50 membership fee ad a $55 monthly fee.
Harlamova29_29 [7]
55+ 50 would be 105 don’t forget the dollar sign when answering
5 0
3 years ago
ANSWER ASAP<br> THANKS<br> ...............
mylen [45]

Answer:

250

Step-by-step explanation:

5*5=25

25*10=250

+$++$$+$

6 0
3 years ago
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