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Novay_Z [31]
3 years ago
14

Which are NOT true for solving equations? Select ALL that apply.

Mathematics
1 answer:
enot [183]3 years ago
3 0

Answer:

d, To undo addition, you can use multiplication

Step-by-step explanation:

a, To remove a whole number next to the variable, multiply both sides by that number

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The scale on a drawing is 1 mm = 3 m. How many meters does 2 centimeters represent?
LekaFEV [45]
It's 60 m because 2 cm is 20 mm, and if each mm is 3 m then 20*3 is 60
6 0
3 years ago
Read 2 more answers
The area of an circle with 2.2 radius
lana66690 [7]
The area of a circle is
Лx r²
 so you  would take 3.14 times 2.2²
 3.14 x 4.84
so your answer would be 15.19. 
4 0
3 years ago
VERY EASY, WILL GIVE 50 POINTS FOR CORRECT ANSWER ASAP AND WILL GIVE BRAINLIEST.
Arada [10]
The answer is d. You are welcome
8 0
3 years ago
Need help with this, thanks.
zloy xaker [14]
13. 39
14. 2(x+4)
15. 24
16. 11(x+5)
17. 6(4x+3y)
18. 8(2x+10y)
19. 5(2x+3)

Hope this helped☺☺
8 0
3 years ago
Read 2 more answers
You are mowing a lawn. After 12 minutes, 52% of the lawn still needs mowed. How long does it take to mow the entire lawn? Write
aleksley [76]
12/x = 52/48
12 * 48 = 52x
x = 11.07 This is one way to do it.

Let the time = x
Let the part of the lawn = y

The general equation
y = k*x
52/100 = k * 12
k = 0.043333 
y = 0.043333*x
y = 0.043333* 11.08
y = 0.48 which is what it should be.

Yet another way is to let y = kx
52 = k*12
k = 52/12
k = 4.33333333

y = 4.333333 * x
y = 4.333333 * 48
48  = 4.333333 * x
x = 11.07 which is just what you should expect.
7 0
3 years ago
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