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Natasha2012 [34]
3 years ago
7

1. If x + 13 = 5, then the value of x is (a) 18 (b)-18 (c)-8 (d) 8

Mathematics
2 answers:
svlad2 [7]3 years ago
6 0

Answer:

The answer is (C) -8

Step-by-step explanation

x = -8

-8 + 13 = 5

It is basically like subtraction..

You subtract the 13 from the 8 even though its backwards.

-8 + 13 = <em><u>5</u></em>

Ymorist [56]3 years ago
5 0

Answer:

C

Step-by-step explanation:

The best way to find x is to plug in all the answer choices and see if they equal 5

lets start with A

18+13=5

31=5 which is incorrect

Let do B

-18+13=5

-5=5 which is incorrect

Lets do C

-8+13=5

5=5 which is correct!

Lets do D

8+13=5

21=5 which is incorrect

pls mark me brainliest

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Answer:

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Step-by-step explanation:

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So, we get...

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tatiyna

Answer:

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Step-by-step explanation:

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Consider the derivation of the quadratic formula below. What is the missing radicand
Vedmedyk [2.9K]

Answer:

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Step-by-step explanation:

Given

See attachment for complete question

Required:

Complete step 6

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(x + \frac{b}{2a})^2 = \frac{b^2 - 4ac}{4a^2}

Take square roots of both sides to get step 6

x + \frac{b}{2a} = \±\sqrt{\frac{b^2 - 4ac}{4a^2}}

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