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2 years ago

14

Which value of x makes the equation 2 + 8 = 15 true?

2 answers:

defon2 years ago

8 0

Answer:

x = 3 $\frac{1}{2}$

Step-by-step explanation:

there's no x in the equation you wrote.

Did you mean?

2x + 8 = 15

Subtract 8 from both sides

2x = 7

Divide both sides by 2

x = 7/2

x = 3 $\frac{1}{2}$

jeka57 [31]2 years ago

4 0

Answer:

5

Step-by-step explanation:

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Please help!!!!!!!!!!!!!!!!!!

vlabodo [156]

Answer:

57°

Step-by-step explanation:

The sum of both angles is 90°

3x+5x+2=90

8x+2=90

8x=88

x=11

Plug x into the equation

Larger Angle

5(11)+2=57

Smaller Angle

3(11)=33

4 0

3 years ago

Read 2 more answers

Find the length of side x to the nearest tenth.<br> 30°<br> 12<br> x<br> х<br> 60°

k0ka [10]

<u><em>Answer</em></u>:

13.9

<em><u>Step-by-step explanation:</u></em>

<em>Use the Pythagorean Theorem </em>

x=13.85 round to the nearest tenth 13.9

<em />

8 0

2 years ago

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qaws [65]

I Dont know the answer

7 0

2 years ago

Solve for x. -3/5x+1/5>7/20

kakasveta [241]

Answer:

Step-by-step explanation:

15 + 720 is 1120

3 0

2 years ago

If f(1) = 2 and f(n) = 5f(n − 1) then find the value of f(5).<br> -

Juliette [100K]

Answer:

f ' (n) = 5f

Step-by-step explanation:

1- Take the derivative

2- remove the parenthesis

3- use differentiation rules

4- Differentiate

5- Simplify

8 0

1 year ago