Which equation is true for the value x = 15?2(x + 3) = 40
2(x − 5) = 30
2(x + 5) = 40
x + 2x = 30
3x − x = 45

Answers

Answer 1

Answer:

Equation 2(x + 5) = 40 is true for the value x = 15. Therefore, option C is the correct answer.

Given that, x=15.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

1) Put x=15 in 2(x + 3) = 40 and simplify

2(15+3)≠40

36≠40

2) Put x=15 in 2(x − 5) = 30 and simplify

2(15-5)≠30

20≠30

3) Put x=15 in 2(x + 5) = 40 and simplify

2(15 + 5) = 40

40=40

4) Put x=15 in x + 2x = 30 and simplify

15+2×15 ≠ 30

45 ≠ 30

5) Put x=15 in 3x − x = 45 and simplify

3×15 -15 ≠ 45

30 ≠ 45

Equation 2(x + 5) = 40 is true for the value x = 15. Therefore, option C is the correct answer.

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Answer 2

Answer:

Answer:

The Answer Would Be, C (the middle one)

Step-by-step explanation:

(x=15+5)=20 times 2=40

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Solve the problem.
Find the diameter of a circle that has a circumference of 942 meters.

Answers

the answer to the problem is 299.85 m.

There are 5280 feet in a mile how many feet are there in a marathon which is 26.2 miles

Answers

Answer:

138,336 feet

Step-by-step explanation:

To determine the number of feet in a marathon, multiply the number of feet in 1 mile by the number of miles.

If 1 miles has 5,280 feet, then 26.2 miles will have 26.2(5280) = 138,336 feet.

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Which point lies on the graph of y = |x - 1|

Answers

Answer: To determine which point lies on the graph of y = |x - 1|, we need to substitute different values of x into the equation and find the corresponding y-values.

Let's consider a few examples:

1. If x = 0:

y = |0 - 1| = |-1| = 1

So the point (0, 1) lies on the graph.

2. If x = 1:

y = |1 - 1| = |0| = 0

So the point (1, 0) lies on the graph.

3. If x = 2:

y = |2 - 1| = |1| = 1

So the point (2, 1) lies on the graph.

4. If x = -1:

y = |-1 - 1| = |-2| = 2

So the point (-1, 2) lies on the graph.

Based on these examples, we can see that points such as (0, 1), (1, 0), (2, 1), and (-1, 2) lie on the graph of y = |x - 1|. These are just a few examples, and there are infinitely many points that lie on the graph since the absolute value function is defined for all real numbers.

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