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schepotkina [342]
2 years ago
14

What’s the answer for 21?

Mathematics
2 answers:
Keith_Richards [23]2 years ago
4 0

Answer:

C

Explanation:

A: 2 in. by 2 in. by 1 in. = 4 cubic inches

B: 1 in. by 1 in. by 1 in. = 1 cubic inches

C: 2 in. by 1.5 in. by 0.5 in. = 1.5 cubic inches

D: 3 in. by 0.5 in. by 1.5 in. = 2.25 cubic inches

Therefore, the answer is C.

Gemiola [76]2 years ago
3 0
2 in. By 1.5 in. By 0.5 in.
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Please help. I need help with B.
Bogdan [553]

Andrew is wrong The mat is only 100 times bigger than the unit, hope this helps :D

7 0
3 years ago
$22,102 is invested, part at 11% and the rest at 7%. If the interest earned from the amount invested at 11% exceeds the interest
Yuliya22 [10]
X + y = 22,102
.11x = .07y + 913.46  =      x= (7/11)y + 8304.18

((7/11)y + 8304.18) + y = 22,102

(18/11)y = <span>13797.82
</span>
y= 13797.82/(18/11)

y=8432.00 

8,432.00 dollars are invested at 7%
13,670.00 dollars are invested at 11%

Check
.07 x 8432=  590.24
.11 x 13,670 = 1503.70

1503.70 - 590.24 = 913.46

3 0
3 years ago
Find the length of the third side to the nearest tenth.<br> 8<br> 5
brilliants [131]

Answer:

The length of third side is: 6.3

Step-by-step explanation:

Given triangle is a right triangle where

Base = ?

Perpendicular = 5

Hypotenuse = 8

Let x be the base

As it is a right-angled triangle, Pythagoras theorem can be used to find the third side

Hypotenuse^2 = Base^2 + Perpendicular^2

Putting the known values

(8)^2 = x^2 + (5)^2\\x^2 = (8)^2-(5)^2\\x^2 = 64-25\\x^2 = 39\\

Taking square root on both sides

\sqrt{x^2} = \sqrt{39}\\x = 6.24499

Rounding off to the nearest 10th

Base = 6.3

Hence,

The length of third side is: 6.3

6 0
3 years ago
When writing an expression or equation to represent a real-world situation, why is it important to be able to describe what each
swat32

Answer:

If you know what each part of the expression or equations represents, it means that you understand the equation. You can solve the problem and know what you are doing.

I hope this helps! I'm sorry if it doesn't.

7 0
3 years ago
Plz answer
Crazy boy [7]
The answer is x is less than 6
5 0
3 years ago
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