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kotegsom [21]
3 years ago
7

A clothing store is having a sale in which everything is 10% off. A shirt's original price is $27. A customer uses a coupon for

$5 off after the sale price. How much did the customer save? A. $3.92 B. $7.20 C. $7.70 D. $19.30
Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

C. $7.70

Step-by-step explanation:

First, you have to calculate the 10% of the price and subtract that from the price to find the amount of the discount:

$27*10%=$2.7

Now, you can add the amount of the discount plus the coupon to find the amount that the customer saved:

$5+$2.7=$7.7

According to this, the answer is that the customer saved: C. $7.70

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In triangle NOP p equals 600 inches angle P equals 96° and angle N equals 64° what is the area of triangle NOP to the nearest 10
DochEvi [55]

9514 1404 393

Answer:

  55,637.8 square inches

Step-by-step explanation:

We can find side n using the Law of Sines:

  n/sin(N) = p/sin(P)

  n = p(sin(N)/sin(P)) = 600·sin(64°)/sin(96°)

  n ≈ 542.246913 . . . . inches

The angle O is ...

  O = 180° -N -P = 180° -64° -96° = 20°

Then the area is ...

  A = 1/2·np·sin(O)

  A = (1/2)(542.246913 in)(600 in)·sin(20°) ≈ 55,637.81008 in²

The area of ∆NOP is about 55,637.8 in².

7 0
3 years ago
TV for $500 and the tax is 5.5 what is the original price of the TV
crimeas [40]

Answer:

(since there is no percentage given i will provide two alternate answers one including percentage and one exclusive of percentage)

cost of TV inclusive of tax = $500

we first multiply the tax with total amount

$500 * 5.5

= $500 * 55/10

=$500 * 11/2

= $250 * 11

=$2750

original price of TV = $2750

alternate answer assuming there is a percentage sign with 5.5

the amount of tax on TV is 5.5%

we first multiply the  percentage of tax with total amount

$500 * 5.5/100

=$27.5

original price of TV = $500 - $27.5

= $472.5

Step-by-step explanation:


6 0
3 years ago
I need help plzzzzzz
My name is Ann [436]

(1) The train travels 4 miles per gallon.

(2) The slope of the graph is m=\frac{1}{4}

Explanation:

(1) The miles that train travels per gallon is given by

Miles= \frac{800}{200}

Dividing, we have,

Miles= 4

Thus, the train travels 4 miles per gallon.

(2) To determine the slope, let us consider two points from the graph.

The coordinates are (0,0) and (800,200)

Thus, substituting the coordinates in the slope formula, we get,

m=\frac{200-0}{800-0}

Simplifying, we have,

m=\frac{200}{800} =\frac{1}{4}

Thus, the slope of the graph is m=\frac{1}{4}

3 0
3 years ago
What is the answer to this question?
steposvetlana [31]

Answer:

48x - 40y +24

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Logarithms:
bogdanovich [222]

Answer:

  • 2^45 or ≈ 3.5*10^13

Step-by-step explanation:

<u>Given equation</u>

  • f(t) = 2^(kt)
  • f - number of cells, t - number of months, k- coefficient

<u>We got 32 cells in the first month. It means:</u>

  • t = 1, f(1) = 32

<u>Using these numbers we can find the coefficient k:</u>

  • 32 = 2^(k*1)
  • 2^5 = 2^k
  • k = 5

<u>Then the equation becomes:</u>

  • f(t) = 2^(5t)

<u>Average time is 9 months, we can calculate the number of cells:</u>

  • f(9) = 2^(5*9) = 2^45 ≈ 3.5*10^13
5 0
3 years ago
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