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2 years ago

If a phone cost $224 what would it cost if there was a 7% sales tax.

Mathematics

1 answer:

Annette [7]2 years ago

5 0

Answer:

$239.68

Step-by-step explanation:

Given

Cost = $224
Sales Tax = 7%

Solving

Cost w/ Tax = Cost (1 + Tax)
Cost w/ Tax = 224 (1 + 0.07)
Cost w/ Tax = 224 * 1.07
Cost w/ Tax = $239.68

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715 miles in 11 hours how long would it take to drive 845 miles

emmasim [6.3K]

715 miles / 11 hours = 65 mph

845 miles / 65 mph = 13 hours

It would take 13 hours to drive 845 miles.

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3 years ago

(10-4)+20 divided by 10?

Luba_88 [7]

Answer:

Step-by-step explanation:

(10-4)+20/20

6+20/10

6+2

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2 years ago

Which ordered pair is a solution of the linear system: x+2y=-8 and

andrew-mc [135]

Answer:

option A

A(-2,-3)

Step-by-step explanation:

make y subject of formula

x+2y=-8

2y=-8-x

y=(-8-x)/2

y=-4-x/2

when x=-2

y=-4-(-2)/2

=-4-(-1)

=-4+1

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2 years ago

The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the e

gizmo_the_mogwai [7]

Answer:

The large sample n = 1713.96

Step-by-step explanation:

Explanation:-

given the population proportion was estimated to be 0.22

population proportion (P) = 0.22

The 95 % level of significance = 1.96≅ 2

The margin of error = 0.02

The formula of margin error

$\frac{2\sqrt{p(1-p)} }{\sqrt{n} } = 0.02$ … ( i )

Substitute 'p' values in equation (1)

$\frac{2\sqrt{0.22(1-0.22)} }{\sqrt{n} } = 0.02$

cross multiplication and simplification, we get

$2X0.414= 0.02 \sqrt{n}$

$\frac{2X0.414}{0.02} = \sqrt{n}$

$41.4 = \sqrt{n}$

squaring on both sides, we get

the large sample n = 1713.96

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2 years ago

1. Write the equation c = loga(b) in exponential form.

Flauer [41]

Answer:

Step-by-step explanRemember: logax=b⇒ab=x

in which "a" is the base of the log.

log4 (1/16) = 4^-2 = 1/4^2 = 1/16

4 to the power of -2 is equal to 1/16.

To answer this question, the equation in exponential form of "log4 (1/16) = -2" is " 4^-2 " (4 to the power of -2). :D

plz mark me brainliest

7 0

2 years ago

If a phone cost $224 what would it cost if there was a 7% sales tax￼.

If a phone cost $224 what would it cost if there was a 7% sales tax.