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saw5 [17]
3 years ago
7

Nikhil gets paid a 5 percent commission on every pair of shoes that he sells. He earned $1.00 on the last pair of shoes that he

sold. The expression that can be used to represent x, the price of the shoes, is 0.05x = 1 What was the price of the shoes?
Mathematics
2 answers:
Jlenok [28]3 years ago
7 0
If $1 is 5%, 100% would be $1 times 100/5= $1 times 20 = $20
kherson [118]3 years ago
4 0

Answer:

The price of the shoes is $20.

Step-by-step explanation:

Consider the provided information.

Nikhil gets paid a 5 percent commission on every pair of shoes that he sells. He earned $1.00 on the last pair of shoes that he sold.

The expression that can be used to represent x, the price of the shoes, is 0.05x = 1

Now divide both the side by 0.05.

x=\frac{1}{0.05}

The above equation can be written as:

x=\frac{100}{5}

x=20

Thus, the price of the shoes is $20.

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judy got 117 problems right on a math test in her night school class. She got a score of 78% right. How many problems were on th
scZoUnD [109]
You would set this up as Part÷Whole=Percent÷100
Part=117
Whole= X
Percent=78
117÷X=78÷100
Set these up as fractions and cross multiply. You will get 117×100=78X
117×100=11,700
Divide both sides by 78 and you get x=150
There were 150 problems
6 0
3 years ago
Hi, I am new to this website :) I'm currently taking an online trig class on De Moivre's theorem and I don't understand it at al
Vladimir [108]
De Moivre's theorem uses this general formula z = r(cos α + i<span> sin α) that is where we can have the form a + bi. If the given is raised to a certain number, then the r is raised to the same number while the angles are being multiplied by that number.

For 1) </span>[3cos(27))+isin(27)]^5 we first apply the concept I mentioned above where it becomes

[3^5cos(27*5))+isin(27*5)] and then after simplifying we get, [243 (cos (135) + isin (135))] 

it is then further simplified to 243 (-1/ √2) + 243i (1/√2) = -243/√2 + 243/<span>√2 i
and that is the answer.

For 2) </span>[2(cos(40))+isin(40)]^6, we apply the same steps in 1)

[2^6(cos(40*6))+isin(40*6)],

[64(cos(240))+isin(240)] = 64 (-1/2) + 64i (-√3 /2)

And the answer is -32 -32 √3 i

Summary:
1) -243/√2 + 243/√2 i
2)-32 -32 √3 i

7 0
3 years ago
1 Point
Gre4nikov [31]

Answer:

C. The length is 6 times the width.

Step-by-step explanation:

Hope it helps you in your learning process.

5 0
3 years ago
Help asap please!!<br> Find the measure of y.<br> A. 43<br> B. 53<br> C. 90<br> D. 47
Amiraneli [1.4K]

Answer:

y=43

Step-by-step explanation:

y=2(90-46)/2

y=43

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<u>OAmalOHopeO</u>

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5 0
3 years ago
You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost? Include a let statement
ZanzabumX [31]

Answer:

5$??.

Step-by-step explanation:

If a magazine was 5$, 25-5= 20. So then, 20÷4= 5. There fore an eraser costs 5$.

3 0
4 years ago
Read 2 more answers
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