3 years ago

Simplify this expression.

Mathematics

1 answer:

kobusy [5.1K]3 years ago

7 0

It’s A i too the test

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A square has a diagonal length of 24 inches. What is the area of the square?

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Adrian works in New York City and makes $40 per hour. She works in an office and must pay $20 a day for lunch. If she wants to m

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Answer: She would have to work 7 hours to earn $260.

Step-by-step explanation: 40×7=280 280-20=260 Hope this helps.

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2 years ago

Solve the equation. 9x−(3x+9)=2x−25 Select the correct choice below and fill in any answer boxes in your choice. A. The solution

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Answer: Choice A, x=-4

Step-by-step explanation:

1. 9x−(3x+9)=2x−25

2. 9x-3x-9=2x-25

3. 6x-9=2x-25

4. 6x-9=2x-25

-2x -2x

5. 4x-9=-25

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6. 4x=-16 (divide both sides by 4)

7. x=-4

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Simon has a scale model of the Concorde airplane. The actual length of the Concorde is approximately 200 feet. If the ratio of t

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The answer is: "40 cm " .
_________________________________________________________
<u>Note</u>:
_________________________________________________________

$\frac{200 ft }{ (x) cm} = \frac{5}{1}$ ;

Solve for "x" (in "cm" ) ;

→ 5x = 200 * 1 ;

→ 5x = 200 ;

Divide each side of the equation by "5" ;
to isolate "x" on one side of the equation; & to solve for "x" ;

→ 5x / 5 = 200 / 5 ;

to get:

→ x = 40 .
___________________________________________________________
The answer is: " 40 cm " .
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What is the distance between (-3, 4) and (4, 4)

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Answer:

7 units

Step-by-step explanation:

$\sqrt{|-3-4|^{2}-|4-4|^{2}}$

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