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Art [367]
3 years ago
10

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

Mathematics
2 answers:
Ganezh [65]3 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]3 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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The collection of all value is called the range of the function​
Phoenix [80]

Answer:

Step-by-step explanation:

False.  The range of a function is the set of all values taken on by the dependent variable ( e. g., by y in the set y = f(x) ).  By definition there is a single y value associated with each number (input) in the domain of the function.

4 0
3 years ago
What is the slope of the line that passes through the points (1, -2) and (3, -5)?
Ksivusya [100]

Slope of the line is -3/2

Step-by-step explanation:

  • Step 1: Given points are (1, -2) and (3, -5)
  • Step 2: Equation for slope, m = (y2 - y1)/(x2 - x1)

⇒ m = (-5 - -2)/(3 - 1) = -3/2

4 0
3 years ago
jasmine had 11 friends over at her house. everytime the doorbell rang 2 more friends arrived. the doorbell rand 3 times. how man
Lelechka [254]
I'm pretty sure the answer is 17
3 0
3 years ago
I need help to solve it
Sidana [21]

Answer:

She will earn £9.01 per hour after the pay rise

Step-by-step explanation:

Here, we want to calculate a value, given the percentage of the pay rise

From the question, the percentage is 6%

The pay rise is thus;

8.50 + 6% of 8.50

= 8.50 + (6*8.5)/100

= 8.50 + 0.51

= £9.01

4 0
3 years ago
Solve the inequality 6t>t+6. Enter your answer as an inequality with just t on the left side. For example, if the inequality
ahrayia [7]

Answer:  t > 6/5

In decimal form, this would be t > 1.2

==============================================

Work Shown:

6t > t+6

6t-t > t+6-t ...... subtracting t from both sides

5t > 6

5t/5 > 6/5 .... dividing both sides by 5

t > 6/5

t > 1.2

3 0
3 years ago
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