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RoseWind [281]
3 years ago
6

12 = -3x - 21 What does x equal to?

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
5 0

Answer:

x is equal to -11.

Step-by-step explanation:

This is because you isolate x, and solve.

jonny [76]3 years ago
5 0
X=-11 bc math stuff

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What should be done to x^2-10x in order to create a perfect square?
Bad White [126]

Answer: B)subtract 5

(x-5)^2-25

Step-by-step explanation:

2a=-10

Divide both sides by 2

2a/2=-10/2

Simplify

a=-5

Add and subtract

x^2-10x+(-5)^2-(-5)^2

Complete the square

(x-5)^2-(-5)^2

Simplify;

(x-5)^2-25

Answered by one other than the <u><em>ONE </em></u>& <u><em>Only</em></u> <u><em>#QUEEN</em></u> herself aka <u><em>#DRIPPQUEENMO!!</em></u>

<u><em>HOPE THIS HELPED!!</em></u>

6 0
3 years ago
If 5 tickets cost $11.00, how much do 20 tickets cost?
user100 [1]

Answer: 44 dollars

Step-by-step explanation:

so there is two ways to do this so ill show you both and you can see which one is easier for you!

method 1- divide the total amount of tickets by the amount with the cost. Then multiply that number by the cost

20/5=4     4*11=44

method 2- divide the money by the number with the cost. Then multiply it by the total amount of tickets.

11/5=2.2     2.2*20=44

7 0
3 years ago
The hypotenuse is the side across from the right angle, and it's also the longest side of the triangle.
nalin [4]
Yes You are correct. 
5 0
3 years ago
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Find the value of y. <br><br> 4<br><br> 2 √3<br><br> 6<br><br> 6 √3
SpyIntel [72]

\triangle ABC\ \text{and}\ \triangle ACD\ \text{are similar. Therefore the sides of triangles}\\\text{ are in proportion:}\\\\\dfrac{y}{9+3}=\dfrac{9}{y}\qquad\text{cross multiply}\\\\y^2=(9)(12)\\\\y^2=108\to y=\sqrt{108}\\\\y=\sqrt{36\cdot3}\\\\y=\sqrt{36}\cdot\sqrt3\\\\\boxed{y=6\sqrt3}

4 0
3 years ago
Which word is an antonym of strenuous?<br> here are the options<br><br> Easy<br><br> Weak
Pepsi [2]

Answer:

the answer is easy

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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