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Savatey [412]
3 years ago
12

Solve the following equation for x using inverse operations 7x-15=1

Mathematics
2 answers:
Likurg_2 [28]3 years ago
8 0

Answer:

  • x = \dfrac{16}{7}

Step-by-step explanation:

Equation

7x - 15 = 1 → Move the -15, reversing the sign:

7x = 1 + 15 → Solve the sum:

7x = 16 → We have a fraction:

x = \dfrac{16}{7}

x = 2.28571428571

To keep it simple, the answer could be just \dfrac{16}{7}.

<em>Hope this helps! </em>

<em>Good studies! </em>☺

Ghella [55]3 years ago
5 0

Answer:

2 2/7     mixed fraction

16/7        improper fraction

2^285714     decimal

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5/7

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3 years ago
⚠️ Urgent PLS HELP !!!<br> find the value of x.
jok3333 [9.3K]

Answer:

x = 14.5

Step-by-step explanation:

This is a supplementary angle, meaning the sum of the angles is 180°.

We can find the value of x by combining like terms.

5x - 6 + 7x + 12 = 180.

5x and 7x are alike.

5x + 7x = 12x.

-6 + 12 = 6.

The final equation is 12x + 6 = 180.

We can solve this by subtracting 6 from 180.

180 - 6 = 174.

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174 / 12 = 14.5

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3 years ago
A 20 foot ladder is resting against the side of the house the base of the latter is 4 feet away from the house approximately how
notka56 [123]

The ladder resting against the house forms a triangle similar to the one in the image below

To answer this question you must use Pythagorean theorem

a^{2} +b^{2}=c^{2}

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c is the hypotenuse (the side opposite the right angle)

In this case...

a = x

b = 4

c = 20

^^^Plug these numbers into the theorem

x^{2} +4^{2} =20^{2}

solve for x

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x^{2} = 384

x = 8√6

or

x ≈ 19.5959....

Hope this helped!

~Just a girl in love with Shawn Mendes

5 0
3 years ago
Can someone help me plz I'm confused
muminat
9. 

2x+3+x+9 = 180 => 3x = 168 => x = 56;
m(<ABD) = 2*56 + 3 = 115.
4 0
3 years ago
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REY [17]

Answer:

C

Step-by-step explanation:

The brackets indicate that you must add up the other 3 angles first before being subtracted by 360, which is the correct answer.

8 0
2 years ago
Read 2 more answers
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