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2 years ago

The model below represents an equation. which value of X makes the equation true?

Mathematics

2 answers:

jeka942 years ago

8 0

Answer:

The answer to your question is x = 2

Step-by-step explanation:

To solve this problem just count the number of x and the number of numbers ONE on each side of the equation.

- There are three "x"

- There are 4 number one on the left side equation

- There are 10 number one one the right side of the equation

Equation

3x + 4 = 10

Solve for x

3x = 10 - 4

3x = 6

x = 6/3

x = 2

AleksAgata [21]2 years ago

5 0

Answer:

nhaddddThe model below represents an equation. Which value of x makes the value true?

Step-by-step explanation:

The model below represents an equation. Which value of x makes the value true?

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Find the side lengths of the triangle in this picture.

ozzi

Answer:

Hypotenuse: 41 meters, Long leg: 40 meters, Short leg: 9 meters.

Step-by-step explanation:

According to the statement, we have the following information about the lengths of the right triangle:

Hypotenuse

$3\cdot x + 14$

Long leg

$3\cdot x + 13$

Short leg

$x$

By the Pythagoric Theorem, we have the following expression:

$(3\cdot x + 14)^{2} = x^{2} + (3\cdot x + 13)^{2}$ (1)

$9\cdot x^{2}+84\cdot x + 196 = x^{2} + 9\cdot x^{2} + 78\cdot x + 169$

$9\cdot x^{2} + 84\cdot x + 196 = 10\cdot x^{2} + 78\cdot x +169$

$x^{2} -6\cdot x -27 = 0$

$(x-9)\cdot (x+3) = 0$

As length is a positive variable by nature, then the only possible solution is $x = 9$ . Lastly, the side lengths of the right triangle are:

Hypotenuse: 41 meters, Long leg: 40 meters, Short leg: 9 meters.

8 0

2 years ago

What’s the answer to this problem?

Vedmedyk [2.9K]

Answer:

D 28x+40

Step-by-step explanation:

To find the perimeter, we add all the sides

2x+2x+5x+8+4x+10+5x+8+x+2+2x+7x+12 = P

Combine like terms

2x+2x+5x+4x+5x+x+2x+7x+10+8+8+2+12

28x +40

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Step-by-step explanation:

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2 years ago

The model below represents an equation. which value of X makes the equation true?​

The model below represents an equation. which value of X makes the equation true?