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murzikaleks [220]
2 years ago
13

A pair of shoes is on sale for $66.00. This is 75% of the original price. What was the original price?

Mathematics
1 answer:
sergejj [24]2 years ago
3 0

Answer:

$88.00

Step-by-step explanation:

66=3/4x

66/.75=66*4/3=88

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Prove the following identity true. Show work.
yulyashka [42]

Answer:

The  Pythagorean identity states that

\sin^2 t + \cos^2 t = 1

Using that we can rewrite the left denominator as:

1 - \sin^2 t

Which can be factored as

(1 - \sin t)(1+ \sin t)

The numerator we can expand as:

(1 - \sin t)(1 - \sin t)

On the right hand side, let's multply numerator and denominator with (1 - sin t):

The total formula then becomes:

\dfrac{(1-\sin t)(1-\sin t)}{(1 - \sin t)(1 + \sin t)} = \dfrac{(1-\sin t)(1 - \sin t)}{(1+\sin t)(1 - \sin t)}

There you go... left and right are equal.

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3 years ago
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AlexFokin [52]

Answer:

1.5 hours

Step-by-step explanation:

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3 years ago
Find the value of 3u-8 given that -7u + 9=2
bulgar [2K]

Answer:

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Step-by-step explanation:

-7u+9=2

-7u=2-9

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What value should be added to both sides for completing the square in this equation?
Mila [183]

Hey there!

x^2 + 4x = 12

SUBTRACT 12 to BOTH SIDES

x^2 + 4x - 12 = 12 - 12

SIMPLIFY IT

x^2 + 4x - 12 = 0

FACTOR the LEFT SIDE of your EQUATION

(x - 2)(x + 6) = 0

• EQUATION #1: x - 2 = 0

OR

• EQUATION #2: x + 6 = 0

SIMPLIFY IT

• EQUATION #1 answer: x = 2

OR

• EQUATION #2 answer: x = -6

OVERALL ANSWER: x = 2 or x = -6

YOUR ANSWER: x = 2 (Option A.)

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

3 0
2 years ago
Elena’s dad buys another type of cell phone that also usually sells for $250. He pays 75% of the usual price. How much did he pa
Mademuasel [1]
Elena’s dad paid $187.5.
8 0
2 years ago
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