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Rus_ich [418]
3 years ago
9

How many nickels and dimes are in $2.40 if there are two times more nickels than dimes?

Mathematics
2 answers:
scoundrel [369]3 years ago
7 0
The best answer is C.
Furkat [3]3 years ago
7 0
Answer C is the correct choice
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Multiply or divide as indicated. Leave your answer with no factors in the denominator. p⁻⁴q⁵r⁶/p⁻³qr⁻²
KIM [24]

Answer: \frac{q^4r^8}{p}

Step-by-step explanation:

By the Negative exponent rule, we know that:

a^{-1}=\frac{1}{a}

By the Quotient of powers property, we know that:

\frac{a^m}{a^n}=a^{(m-n)

And by the Product of powers property, we know that:

(a^m)(a^n)=a^{(m+n)}

Applying this properties, we get:

\frac{p^{-4}q^5r^6}{p^{-3}qr^{-2}}=\frac{p^3q^5r^6r^2}{p^4q}=\frac{q^4r^8}{p}

5 0
3 years ago
Read 2 more answers
Carlos predicts he has 24 dollars in his wallet. If Carlos actually had 33 dollars, what was Carlos' percent error?
Serggg [28]
Learned this yesterday, lol.
It's basically just:
100[ (33-24)/24 ]
100[ 9/24 ]
100[ 0.375 ]
37.5%
5 0
3 years ago
Please hellpppp!!!!!!!!!!!
gregori [183]
Hi there!

In order to dilate a figure by 4, we'll need to multiply both the x and the y coordinates by 4. This makes the figure 4 times bigger. Doing this gives us the coordinates (8,12).

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
6 0
3 years ago
Five friends ordered 3 large sandwiches.
hichkok12 [17]
I got 1/12th left

I changed all of the fractions to twelfths

4/12

6/12

9/12

16/12

James and Katya ate 10/12 of a sandwich

Ramon ate the last 2/12 and 7/12 of the next sandwich

Sianna ate the other 5/12 and 11/12 of the 3rd sandwich

So that means 1/12 is left


I hope that helps and you get it right
4 0
3 years ago
What number is 0.519 more than 0.356?
givi [52]
It would be .163 because you take .519 minus .356 and you get your number
6 0
3 years ago
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