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2 years ago

11

Carlos dropped the phone he had received for his birthday and broke the screen. He knows he has to pay for the replacement himse

lf and does some research to find the lowest cost. He is trying to decide between two stores offering different deals on the same-priced phone.

1 answer:

kiruha [24]2 years ago

7 0

Answer:

????????????????

Step-by-step explanation:

what's the question

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A pair of sneakers is on sale for $60. This is 80% of the original price. What 2

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$75

Step-by-step explanation:

let the original price be x

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2 years ago

When the sun has risen 32 degrees above the horizon, Sandy casts a shadow that is 9 feet 2 inches long. How tall is Sandy, to th

Makovka662 [10]

Answer:

The height of Sandy is 68.74 inches.

Step-by-step explanation:

It is given that the sun has risen 32 degrees above the horizon. It means the angle of elevation is 32°.

Let the height of Sandy be x.

Sandy casts a shadow that is 9 feet 2 inches long.

We know that 1 feet = 12 inches

Using this conversion, we get

Shadow = 9 feet 2 inches = 9(12)+2 = 110 inches

In a right angled triangle,

$\tan\theta =\frac{perpendicular}{base}$

In triangle ABC,

$\tan(\angle C)=\frac{AB}{BC}$

$\tan(32^{\circ})=\frac{x}{110}$

Multiply both sides by 110.

$110\tan(32^{\circ})=x$

$68.73562871=x$

$x\approx 68.74$

Therefore the height of Sandy is 68.74 inches.

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3 years ago