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attashe74 [19]
2 years ago
12

5. Jeremy bought a $60 pair of sneakers on sale for 15% off. Then, he used a coupon that gave him an additional 10% off. Can Jer

emy find the cost of the sneakers by adding the percents? Justify your answer: by finding 25% off of $60, and by finding 15% off of $60, and then subtracting 10% from that c
Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
7 0

Answer: $45.90

No Jeremy can not find the cost of the sneakers by adding the percents, you have to the math one sale discount at a time.

Step-by-step explanation:

You have to multiply $60 by 15%, getting $9. Subtract 9 from 60 and get the first discount price: $51. Then you will multiply 51 by `10% and get 5.1, subtract 5.1 from 51 and get your final sale price $45.90. If you added the percents together you would get an incorrect value of $45.

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one angle of a linear pair is 10 more than two thirds the other angle. find the measure if both angles
BigorU [14]

Answer:

One Angle = 110°

Other Angle = 70°

Step-by-step explanation:

A linear pair means that two angles are in a straight line (or, a straight angle).

A straight line is 180 degrees.

THey are supplementary.

We can say one angle is "a" and another one is "b".

<em>One angle is 10 MORE THAN 2/3rds of the other, we can write:</em>

<em>a=\frac{2}{3}b+10</em>

<em />

<em>Also, since they are supplementary (add up to 180), we can write:</em>

<em>a + b = 180</em>

<em />

We can now substitute 1st equation in this one and find b:

a+b=180\\(\frac{2}{3}b+10)+b=180\\\frac{2}{3}b+b=180-10\\\frac{5}{3}b=170\\b=\frac{170}{\frac{5}{3}}\\b=170*\frac{3}{5}\\b=110

Since a + b = 180, we can write:

a + 110 = 180

so,

a = 180 - 110

a = 70

Thus,

One Angle = 110°

Other Angle = 70°

8 0
1 year ago
A certain club has $50$ people, and $4$ members are running for president. Each club member votes for one of the $4$ candidates.
erastova [34]

Answer:

The number of different possible vote totals is 184.

Step-by-step explanation:

It is provided that there are <em>N</em> = 50 people in a club.

The position of President is open. And there are <em>x</em> = 4 members running for he post of President.

So, there are <em>n</em> = <em>N</em> - <em>x</em> = 50 - 4 = 46 people voting for these 4 members.

Each member of the club has <em>x</em> = 4 possible choices.

So, the number of different possible vote totals are:

Number of different possible votes = <em>n</em> × <em>x</em>

                                                           = 46 × 4

                                                           = 184

Thus, the number of different possible vote totals is 184.

8 0
1 year ago
The price of a train ticket consists of an initial fee plus a constant fee per stop.
babymother [125]
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6 0
2 years ago
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Find the area of the shape shown below.
Liula [17]

Answer:

31.5

Step-by-step explanation:

We can add the areas together

We have a rectangle and a triangle

The area of the rectangle is

A = lw

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The area of the triangle is

A = 1/2 bh

   = 1/2 (7)*3

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Add them together

A = 21 + 10.5

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3 0
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Assume that x is a char variable has been declared and already given a value. Write an expression whose value is true if and onl
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Answer:

bool b = isupper(x);

Step-by-step explanation:

I have written the expression for a char variable x.The isupper(x) will return true if the character x is upper case and false if the character x is lower case.

I have stored the returned value to a bool variable b .So the value of variable b will be true only when the x is in uppercase and false when b is lower case.

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