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makvit [3.9K]
3 years ago
12

A cell phone charger costs $21. There is a 10% discount this week only. The sales tax is 9%. What is the total of the phone char

ger including tax?
Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0

Answer:

$20.60

Step-by-step explanation:

Price before discount = $21

Discount rate = 10% or 0.1

Discount in dollars = 0.1* 21 =  $2.1

Price after discount = $21 -$2.1 = <em>$18.90</em>

If sales tax is 9% or 0.09

amount of tax  will  be = 0.09 * 18.90 = <em>$1.701</em>

Total price of the phone including taxes = Price before tax + tax amount;

Total price = 18.90 +1.701

                 = 20.601

Therefore total price will be $20.60

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16km/h

Step-by-step explanation:

1h = 60m

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4 0
3 years ago
What are angles that are equal called?
jonny [76]
I think the word you're looking for is congruent. Congruent angles always have the same angles.
8 0
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The graph of a linear equation contains the points (3,11) and (-2,11). Which point also lies on the graph?(YOU MUST SHOW WORK)
dexar [7]
Y= ax+b

when x=3, y=11   and when x= -2, y=11
          3a+b=11
          -2a+b=11    | * -1
3a+b=11
2a-b=-11
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⇒ b=11
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3 0
3 years ago
Find the missing angle measurement! Please show/tell me what u did to solve the problem aswell
Pani-rosa [81]

Answer:

x = 12

Step-by-step explanation:

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one of the angle is given we will need to add all three angles

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x = 12 replace x in required expressions to find the measure of the angles

8 0
2 years ago
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Caroline made $15 profit.

7 0
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