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Art [367]
4 years ago
10

Which number from the set {5, 10, 15, 18} makes the equation true?

Mathematics
2 answers:
Ganezh [65]4 years ago
6 0

Answer:

5

Step-by-step explanation:

Given the equation 2x + 3(x + 4) = 37, to find x we will make x the subject of the formula. To do that, we need to first open the bracket of the equation to have;

2x+3x+12=37

5x+12 = 37

Taking +12 to the other side of the equation will change the sign to negative i.e -12 to give;

5x = 37-12

5x = 25

Dividing both sides the coefficient of x which is 5, we will have;

5x/5 = 25/5

x = 5

Since 5 is an element of the given set, 5 is therefore the element of the set that makes the equation true.

Vlada [557]4 years ago
3 0

Answer

Letter B

Step-by-step explanation

x=10 because

2x{ 10}+ 3  =23

X{10} + 4= 14

23+ 14= 37

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Which of the following are incorrect expressions for slope? Check all that apply.. . A. Change in the dependent variable relativ
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A. B. and C. are incorrect expressions for the slope.

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7 0
3 years ago
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How far above sea level is the ranger station?
Schach [20]
Since he descended 12 meters, we subtract this from the overall height of Mount Ka'ala, so then we are only calculating how high ABOVE the sea level it is.

1232 - 12 = 1220

The height of Mount Ka'ala is therefore 1,220 meters.
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3 0
3 years ago
Solve the system by substitution.<br> y = -X<br> y = - 4x + 12
bulgar [2K]

Answer:

The answer is ( - 8, 8) in point form or in x = -8 , y= 8 in equation form.

7 0
3 years ago
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Please help me please! I’m stuck, and I can’t figure this out. Please include the form in your answer! No phony answers pls!
nevsk [136]

Answer:

x ≈ - 6.74, 0.74

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x² + 6x = 5

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add ( half the coefficient of the x- term )² to both sides

x² + 2(3)x + 9 = 5 + 9

(x + 3)² = 14 ( take square root of both sides )

x + 3 = ± \sqrt{14} ( subtract 3 from both sides )

x = - 3 ± \sqrt{14}

Then

x = - 3 - \sqrt{14} ≈ - 6.74 ( to the nearest hundredth )

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6 0
3 years ago
I need help with this- I've never seen a graph like this- haha
Tamiku [17]

Answer:

I think it's the third answer.

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The line is going through those points.

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3 years ago
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