Answer:
hey what up
Step-by-step explanation:
45.5X-5
Step-by-step explanation:
you simply add the 2 "x" digits together, in this case 2.5x and 43x. 43+2.5=45.5X. then subtract the five, but since they are not alike (or it doesnt have an c) you domt subtract from the 43.
Answer:
D. No. She multiplied with the reciprocal of the dividend instead of the reciprocal of the divisor.
Step-by-step explanation:
A. Yes. She solved the problem correctly.
B. No. She multiplied the dividend by the divisor instead of finding the reciprocal.
C. No. She multiplied the denominators instead of finding a common denominator.
D. No. She multiplied with the reciprocal of the dividend instead of the reciprocal of the divisor.
Her workings
7 ÷ 2/ 5
=1/ 7 × 2/ 5
= 2/35
Dividend=7
Divisor=2/5
The correct working
7 ÷ 2/ 5
=7 × 5/2
=35/2
Answer:
given - circumference of the coin = 122 inches.
- to calculate - radius of the coin.
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![\fbox\pink{Solution -}](https://tex.z-dn.net/?f=%5Cfbox%5Cpink%7BSolution%20-%7D)
![circumference = 2\pi \: r \\ \\ r = \frac{circumference}{2\pi} \\ \\r = \frac{\cancel{122}}{\cancel2 \times \frac{22}{7} } \\ \\ r = \frac{61}{ \frac{22}{7} } \\ \\ r = 61 \times \frac{7}{22} \\ \\ r = \frac{427}{22} \\ \\ r = 19.41 \: inches \: (approx.)](https://tex.z-dn.net/?f=circumference%20%3D%202%5Cpi%20%5C%3A%20r%20%20%5C%5C%20%5C%5C%20r%20%3D%20%20%5Cfrac%7Bcircumference%7D%7B2%5Cpi%7D%20%20%5C%5C%20%20%5C%5Cr%20%3D%20%20%5Cfrac%7B%5Ccancel%7B122%7D%7D%7B%5Ccancel2%20%5Ctimes%20%20%5Cfrac%7B22%7D%7B7%7D%20%7D%20%20%20%5C%5C%20%20%5C%5C%20r%20%3D%20%20%5Cfrac%7B61%7D%7B%20%5Cfrac%7B22%7D%7B7%7D%20%7D%20%20%5C%5C%20%20%5C%5C%20r%20%3D%2061%20%5Ctimes%20%20%5Cfrac%7B7%7D%7B22%7D%20%20%5C%5C%20%20%5C%5C%20r%20%20%3D%20%20%5Cfrac%7B427%7D%7B22%7D%20%20%20%5C%5C%20%20%5C%5C%20r%20%3D%2019.41%20%5C%3A%20inches%20%5C%3A%20%28approx.%29)
hope helpful :D