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Nady [450]
3 years ago
6

Is 21:10 equivalent to 7:5

Mathematics
1 answer:
Orlov [11]3 years ago
7 0

no it is not equal. its because you are multiplying one by 3 and the other by 2. you have to multiply them by the same number for them to be equal

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Rico lives in Michigan, which has a sales tax of 6%. He just bought some
stepladder [879]

Answer:

D. $150.80

Step-by-step explanation:

We have been given that Rico lives in Michigan, which has a sales tax of 6%. He just bought some  water skis, whose full price was $180, but he presented the retailer with a  coupon for $40, which the retailer accepted.

The total amount paid by Rico for the ski would be cost of ski plus sales tax minus coupon amount.

\text{Total amount paid by Rico}=(\$180+\$180\times \frac{6}{100})-\$40

\text{Total amount paid by Rico}=(\$180+\$180\times 0.06)-\$40

\text{Total amount paid by Rico}=(\$180+\$10.80)-\$40

\text{Total amount paid by Rico}=\$180.80-\$40

\text{Total amount paid by Rico}=\$150.80

Therefore, Rico paid $150.80 for the ski and option D is the correct choice.

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3 years ago
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Answer:

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Step-by-step explanation:

6 0
3 years ago
A CD usually sells for $11.00. If the CD is 30% off, and sales tax is 8%, what is the total price of the CD, including tax?
WARRIOR [948]
Your answer is letter a
8 0
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3n^5 divided by 6n^3 simplified,<br> thank
insens350 [35]

Answer:

\frac{ {n}^{2} }{2}

Step-by-step explanation:

\frac{3 {n}^{5} }{6 {n}^{3} }  =  \frac{3}{6}  \times  \frac{ {n}^{5} }{ {n}^{3} }  =  \frac{1}{2}  \times  {n}^{5 - 3}  = \frac{1}{2} \times {n}^{2} =  \frac{ {n}^{2} }{2}

3 0
3 years ago
4(2x-5)+6=-3(-4x+8)-7
sladkih [1.3K]

Answer:

x = 4.25

Step-by-step explanation:

The given equation of line is :

4(2x-5)+6=-3(-4x+8)-7

Solving LHS,

4(2x-5)+6 = 8x-20+6

= 8x-14

Solving RHS,

-3(-4x+8)-7 = 12x-24-7

= 12x-31

So,

8x-14 = 12x-31

Taking like terms together,

8x-12x = -31+14

-4x = -17

x = 4.25

So, the value of x is equal to 4.25.

7 0
3 years ago
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