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2 years ago

1. A pair of shoes went on sale 40% off the original price of $78.00. What

Mathematics

1 answer:

AURORKA [14]2 years ago

5 0

Answer:

$31.20

Step-by-step explanation:

40% of 78 is 31.2

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Refer to the equation 3×-2y=-18

Ksivusya [100]

-2y÷2=y

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-3 -3

y=-21

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3 years ago

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Start time 2:15 a.m <br> elapsed time 45 minutes

Ronch [10]

Answer:

It would be 3:00 am.

Step-by-step explanation:

Start time is given = 2:15 a.m

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After 45 minutes of start time, time is = 02:15 + 00:45

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Identify the graph containing the point (1,−5) .

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Answer:

we need a picture

Step-by-step explanation:

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3 years ago

Translate this sentence into an inequality: A cheetah can reach a speed of 70 mph. However, this speed can be maintained for no

bezimeni [28]

The sentence says the speed can be maintained for no more than 1640 feet.

The "no more" means 1640 feet or less ,so the equation would be d is less than or equal to 1640.

The correct equation is A.

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3 years ago

What is the missing length??

amid [387]

Answer

The missing length is 10

Step-by-step explanation:

Represent the missing length with x

The sides of the given shape are directly proportional.

Mathematically:

(15 + x) to (12 + 8) and x to 7

Represent as a ratio:

$(15 + x) : (12 + 8) = x : 8$

$15 + x : 20= x : 8$

Convert to fraction

$\frac{15 + x}{20} = \frac{x}{8}$

Cross Multiply:

$(15 + x)*8 = 20 * x$

$120 + 8x = 20x$

Collect Like Terms

$20x - 8x = 120$

$12x = 120$

Solve for x

$x = \frac{120}{10}$

$x = 10$

<em>The length of the missing side is 10</em>

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2 years ago