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Korolek [52]
4 years ago
5

How to solve this equation

Mathematics
2 answers:
Mama L [17]4 years ago
7 0
So first, here, you would want to open the parenthesis with the distributive property.

3x + 9 = 6 (x - 2)

= 3x + 9 = 6x - 12

Then you would want to move all like terms to either side.

-21 = -3x

Now divide both sides by -3

7 = x

(I did it wrong in the beginning)
Vladimir [108]4 years ago
3 0
Hope this answers your question.

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PLS HELP ASAP PLSSSS!!!!!!!!!!!!!!!!!!!!!!!!!
Lunna [17]

Answer:

2800 in^3

Step-by-step explanation:

Calculate the volume as normal, but take 1/10 of the result. Since volume is length*width*height, we have 50*28*20 which is 28000. 1/10 of that is 2800. So the volume when scaled down by a factor of 1/10 is 2800 in^3

5 0
3 years ago
Consider a circle whose size can vary. Let r r represent the radius of the circle (in cm) and let C C represent the circumferenc
Ket [755]

Answer:

  f(r) = 2πr

Step-by-step explanation:

You know the formula for circumference in terms of radius is ...

  C = 2πr

You are being asked to write this as a function named "f". That will be ...

  f(r) = 2πr

8 0
4 years ago
Read 2 more answers
April has 5 milligrams of zinc and 0.25 milligrams of copper.
GREYUIT [131]

Answer:

It's 4.75

Step-by-step explanation:

If you subtract 5-.25=? The answer would be 4.75. Hope this helps.

7 0
3 years ago
What is the value of x? <br> (x + 40)° (3x)°<br><br> A. 20<br> B.35 <br> C. 60<br> D. 70
Olenka [21]
Hello!

We are given the equation below.

x+40=3x

We want to get all of the variables on side. First of all let's subtract 40 from both sides.

x=3x-40

Now we rearrange our equation so the commutative property will work.

x=3x+(-40)
x=-40+3x

Now we subtract 3x from both sides.

-2x=-40

We divide both sides by -2.

x=20

Our answer is A) 20.

I hope this helps!
4 0
3 years ago
Read 2 more answers
HELP PLEASE PEOPLE THANK UUUUU ‘
Komok [63]
<h2>The required "option B) 60°" is correct.</h2>

Step-by-step explanation:

In question figure,

∠ YUV = 40°, ∠ XUY =  105° and ∠WUX =  155°

To find, the value of ∠ VUW = ?

We know that,

The circle having 360°

∴ ∠ VUW + ∠ YUV + ∠ XUY + ∠WUX = 360°

⇒ ∠ VUW + 40° + 105°+  155° = 360°

⇒ ∠ VUW + 300° = 360°

⇒ ∠ VUW = 360° -  300°

⇒ ∠ VUW = 60°

∴ The value of ∠ VUW = 60°

Hence, the required "option B) 60°" is correct.

3 0
3 years ago
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