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klasskru [66]
3 years ago
11

A television normally costs $1,420. Due to a store sale, the television is now $1,022.40. What was the percentage taken off the

television? ( Please show me the work, thanks)
Mathematics
2 answers:
olganol [36]3 years ago
7 0

Answer:

The discount is 28%

Step-by-step explanation:

The original value of the TV is $1,420, that is the 100% of the value. If we want to find the discount value we could calculate as follows:

D=1-(\frac{price with discount}{full price} )\\D=1-\frac{1022.40}{1420} \\D=1-0.72\\D=0.28

The discount is 28%

Anettt [7]3 years ago
5 0
The TV is 28% off. You can verify this by dividing 1022.4 by 1420 and getting 0.72. That's how much of the price you have to pay.

So you just subtract .72 from 1 to .28
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The area of the poster is (x^2+2x-15) inches the width is (x-3) inches calculate the dimensions of the poster board when x=14
givi [52]

Answer:

The poster is 11 inches wide and 19 inches in height.

Step-by-step explanation:

We take the given equation: (x^2+2x-15) and we add in 14 as our x variable:

((14)^2+2(14)-15) the answer we get from that is 209. The area of the poster is 209 square inches. Then we find the width by taking (x-3) in this case x is 14 so the width of the poster is 11. In order to find the height we divide the height by the width and we get 19.

Therefore:

Height= 19 Inches

Width= 11 Inches

Total Area= 209 Square Inches

4 0
2 years ago
1
klio [65]

Answer:

12

Step-by-step explanation:

red hat, black shirt, black pants

red hat, white shirt, black pants

red hat, striped shirt, black pants

black hat, black shirt, black pants

black hat, white shirt, black pants

black hat, striped shirt, black pants

that is six different combinations without the use of the pair of blue pants, thus you should be able to just do all those combinations over again with just blue pants leading to a total of 12 combinations. I think lol

6 0
3 years ago
A customer buys bouquets of tulips and bouquets of roses for $.. What is the price of a bouquet of roses?
olchik [2.2K]

Question:

A customer buys bouquets of tulips and bouquets of roses for $40.25. The bouquet contained 17 tulips and cost $18.25. What is the price of a bouquet of roses?

Answer:

Rose =\$22.00

Step-by-step explanation:

Given

Total = \$40.25

Tulips = \$18.25

Required

The cost of a bouquet of roses

Since the customer bought a bouquet each, the formula to use is:

Total = Tulip + Rose

Make Rose the subject

Rose =Total - Tulip

Rose =\$40.25 - \$18.25

Rose =\$22.00

<em>A bouquet of rose costs $22.00</em>

7 0
3 years ago
Please can someone help me with my maths? I’m so confused
Blababa [14]
The y intercept is 0.5 because thats where the line starts.
the slope/gradient of the line is 1.5.
this would be written in the form: y=1.5x+0.5
5 0
3 years ago
In ΔDEF, what is sin D, in simplified form?
Igoryamba

Answer: second option.

Step-by-step explanation:

You must apply sin\alpha=\frac{opposite}{hypotenuse}

Then, given the right triangle and the angle D, the opposite side and the hypotenuse of the triangle are the following:

opposite=20\\hypotenuse=25

Therefore, when you substitute values, you have:

sinD=\frac{20}{25}

Reduce the fraction, then you obtain:

 sinD=\frac{4}{5}

5 0
3 years ago
Read 2 more answers
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