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shtirl [24]
3 years ago
14

The store buys a helmet for $19.00 and sells it for $31.50. What percentage was the markup?

Mathematics
2 answers:
denis-greek [22]3 years ago
5 0

Answer:

60.317460317460317460(repeating)

Step-by-step explanation:

19.00×100=1900

1900÷31.50=60.317460(repeating)

notka56 [123]3 years ago
5 0

12123245684756348756365378456745385465375687563587e33

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Find the measure of each side of this triangles. Answer in exact form. ​ Find x and y
Firdavs [7]

Answer:

x = 24/√3

4√3 = y

Step-by-step explanation:

We are given that this is a right triangle as well as two angles and a side.

Given that the angles in a triangle add up to 180 degrees, and a right angle is 90 degrees, we can say that the missing angle is equal to

(180-90-30)  = 60 degrees

Next, given sohcahtoa, we can say that

sin(30) = opposite/hypotenuse = y/x

cos(30) = adjacent/hypotenuse = 12/x

tan(30) = opposite/adjacent = y/12

We want to only have one variable per equation so we can solve for the variable, so we can use

cos(30) = 12/x and tan(30) = y/12

Starting with cos(30) = 12/x, we can multiply both sides by x to remove the denominator to get

cos(30) * x = 12, and divide both sides by cos(30) to isolate the x and get

x = 12/cos(30). Next, cos(30) = √3/2, so we have

x = 12/(√3/2)

x = (12/1) / (√3/2)

x = (12/1) * (2/√3)

x = 24/√3

For y, we have

tan(30) = y/12

multiply both sides by 12 to isolate the y and remove the denominator

tan(30) * 12  = y

√3/3 * 12 = y

√3 * 4 = y

4√3 = y

4 0
3 years ago
Please help me thank you.
coldgirl [10]
The value of x would be 4m
7 0
3 years ago
Read 2 more answers
3. Find two possible lengths for CD if C, D, and E
Kaylis [27]

Given :

C, D, and E  are col-linear, CE = 15.8 centimetres, and DE=  3.5 centimetres.

To Find :

Two possible lengths for CD.

Solution :

Their are two cases :

1)

When D is in between C and E .

.                   .           .

C                  D          E

Here, CD = CE - DE

CD = 15.8 - 3.5 cm

CD = 12.3 cm

2)

When E is in between D and C.

.       .                .

D      E              C

Here, CD = CE + DE

CD = 15.8 + 3.5 cm

CD = 19.3 cm

Hence, this is the required solution.

3 0
3 years ago
Find the total cost of a $363.99 airline ticket with sales tax of 4%
Harman [31]

4% means <span>4100</span> 'of' means multiply so:

<span>363.99⋅<span>4100</span></span> is <span>363.99⋅4</span> = 1455.96

<span>1455.96100</span> = 14.56 (rounded up)

<span>363.99+14.56=$378.55</span> to the nearest cent.

5 0
3 years ago
if someone ran 2 miles on Monday, 5 miles on Wednesday, 6 miles on Thursday, 3 miles on Saturday. what percent of total miles di
kogti [31]

Answer:

12.5 %

Step-by-step explanation:

2 + 5 + 6 + 3 = 16

2 (1/16) = 12.5 %

7 0
2 years ago
Read 2 more answers
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