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1 year ago

A pack of cinnamon scented pencils sell for $4.00 what is the sales tax rate if the total cost of the pencils is $4.32

Mathematics

2 answers:

sergeinik [125]1 year ago

8 0

Answer:

Step-by-step explanation:

To get the answer we can use proportion. We know that 4$ its 100% and 4.32 its 100% + taxes.

4$ ---------- 100%

4.32 -------- x

cross multiply now

4x=4.32*100%

4x=432% /:4

x=108%

We know that 4.32 its 100% + taxes=108% so to get taxes we have to subtract 108-100.

108%-100%=8% - its the answer.

Vera_Pavlovna [14]1 year ago

3 0

Answer:

Step-by-step explanation:

$4 represents the sale price

4.32 - 4 =$ .32 represents the sale tax

Tax rate is the percentage $ .32 out of $4.

4 is 100%

.32 is x%

Cross multiply to find x, and divide by 4

x= (.32·100) / 4

x = 8

The tax rate is 8%.

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A life guard in a tower 20 ft above sea level spots a struggling surfer at an angle of depression of 15 . How far is the surfer

GalinKa [24]

Answer: $19.31\ ft$

Step-by-step explanation:

Given

The tower is at a height of $h=20\ ft$

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Suppose the surfer is x ft away from the base of the tower

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2 years ago

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2 years ago

Multiply 2^(9)*2^(2)*2^(4)

Flauer [41]

Answer:

2 ^ 15

Step-by-step explanation:

2 ^9 * 2 ^ 2 * 2 ^ 4

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a^ b * a^ c = a^(b+c)

2 ^9 * 2 ^ 2 * 2 ^ 4

2 ^ ( 9+2+4)

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2 years ago

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A rocket is fired directly upwards with a velocity of 80 ft/sec. The equation for its height, H, as a function of time, t, is

sleet_krkn [62]

Answer:

(c).

Step-by-step explanation:

h(t) = - 16 t² + 80 t

Coordinates of the vertex are:

t = - $\frac{80}{2(-16)}$ = $\frac{5}{2}$ = 2.5 sec. 

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3 years ago

10 subtracted from a number is 15.

Vlada [557]

When negative five is subtracted from a number the result is 10. The number is 5.
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3 years ago