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stich3 [128]
3 years ago
15

-13 = n/9 - 14 it's due in a couple of minutes, pls help me :(

Mathematics
2 answers:
iren2701 [21]3 years ago
8 0

Answer:

n = 9

Step-by-step explanation:

1) Add 14 to both sides.

- 13 + 14 =  \frac{n}{9}

2) Simplify-13 + 14 to 1

1 =  \frac{n}{9}

3) Multiply both sides by 9.

1 \times 9 = n

4) Simplify 1 × 9 to 9.

9 = n

5) Switch sides.

n = 9

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>n</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>9</u></em><em><u>.</u></em>

iogann1982 [59]3 years ago
3 0
-9. first, add 14 on both sides = “-1=n/9
-9/9=-1
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Plz help in the picture below plz ill give you brainliestt
nexus9112 [7]

change both the fractions to improper fractions. the area will be 147/4 , and the width will be 9/2 . with both of these you may now divide, (147/4) / (9/2)

remember to use the KCF when dividing fractions.

147 * 2 = 294

4 * 9 = 36

your new fraction will be 294/36 .... which it is also 8 1/6

6 0
3 years ago
I don’t understand how to do any or this.
Ipatiy [6.2K]
I think that you x them
7 0
3 years ago
X2 - 49 = 0 solve for x
Bogdan [553]

x^2 - 49 = 0

Add 49 to both sides:

x^2 = 49

Take the square root of both sides:

X = 7

8 0
3 years ago
Carly tried to solve an equation step by step. 7a=28 Step 1: 7a/a = 28/7 Step 2: 7 = 4 Find Carly's mistake A: Step 1 B: Step 2
Murrr4er [49]

This are the right steps

Step 1: first you divide the both size by 7 because there is 7 a's

7a/7 = 28/7

Step 2: You solve the equation

7a/7= a. 28/7 = 4

So, the answer is a = 4

not 7 = 4

6 0
3 years ago
11. If f(x)=4x-9, what is the equation for f^-1(x)?
FrozenT [24]
F(x) = 4x - 9

let f(x) = y, this implies that  x = f⁻¹(y)

y = 4x - 9           Let us solve for x.

4x - 9 = y

4x = y + 9

x = (y + 9)/4

Recall that x = f⁻¹(y),

x = (y + 9)/4

f⁻¹(y) = (y + 9)/4

That means that for f⁻¹(x)

f⁻¹(x) = (x + 9)/4

Hope this explains it.
3 0
3 years ago
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