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2 years ago

A pair of roller skates is discounted by 40%. The normal price is $65. What is the discounted price?

Mathematics

1 answer:

butalik [34]2 years ago

7 0

Answer:$39

Step-by-step explanation:

The discounted price is going to be 60% of the original price because 100 - 40 = 60. So we want to find 60% of the original price, or 65. 65 x . 6 = 39, so the pair of rollerskates will be $39 at the discounted price.

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The measure of angle A is 15°, and the length of side

dangina [55]

Answer:

Part 1) $AB=30.9\ units$

Part 2) $AC=29.9\ units$

Step-by-step explanation:

The picture of the question in the attached figure

Part 1

Find the length side AB

we know that

$sin(A)=\frac{BC}{AB}$ ----> by SOH (opposite side divided by the hypotenuse)

substitute the given values

$sin(15^o)=\frac{8}{AB}$

solve for AB

$AB=\frac{8}{sin(15^o)}=30.9\ units$

Part 2

Find the length side AC

we know that

$tan(A)=\frac{BC}{AC}$ ----> by TOA (opposite side divided by the adjacent side)

substitute the given values

$tan(15^o)=\frac{8}{AC}$

solve for AC

$AC=\frac{8}{tan(15^o)}=29.9\ units$

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3 years ago

The cost of two mopeds is the same as the cost of seven bicycles. the cost of one bicycle is $152. therefore, the cost of one mo

DanielleElmas [232]

7 bicycles dived by two mopeds = 3.5
$152 x 3.5 = $532

your answer is $532.

7 0

3 years ago

Simplify. Please show work

GuDViN [60]

Answer:

$\frac{4b^5}{c^3}$

Step-by-step explanation:

$\frac{36b^4c^2}{9b^{-1}c^5}$

$\frac{36b^4c^2}{9b^{-1}c^5}\\\\\frac{4b^{4+1}}{c^{5-2}}\\\\\frac{4b^5}{c^3}$

Hope this helps!

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2 years ago

15mm 12mm a= what is the length

Mrrafil [7]

Answer: The area is 180 square millimeters.

The length is 15 mm and the width is 12 mm. The length if the perimeter-- if you were going to ask that is

(2)(15) + 2(12)

54mm.

Step-by-step explanation:

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3 years ago

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Julli [10]

50*(.5)^(23/25)=26.43

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2 years ago