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dangina [55]
3 years ago
12

Dave collects U.S. gold coins. He has collection of 48 coins. Some are $10 coins, and the rest are $20 coins. If the face value

of the coins $700, how many of each denomination does he have
Mathematics
1 answer:
andrew11 [14]3 years ago
7 0
Dave should slide some coins
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A circle has a radius of 5.5 inches. Give an exact answer for for area in terms of pi. Find a approximate area using pi= 3.14.
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Answer:

94.985

Step-by-step explanation:

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Lin's sister has a checking account. If the account balance ever falls below zero, the bank charges her a fee of $5.95 per day.
VladimirAG [237]

Answer: No, the bank will not keep charging her the $5.95 after the deposit is made.

Step-by-step explanation:

Today, Lin's sister's balance is -$2.67

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3 years ago
Please help!! Will give brainliest! Giving lots of points!
olga nikolaevna [1]

Answer:

d) (9*3/4)+y

Step-by-step explanation:

b) 9+y*(3/4)

This expression is not equivalent, as the original expression, y+9*\frac{3}{4} , has 9 multiplied to \frac{3}{4} instead of y. You can interchange values like this when it comes to addition, but not multiplication.

c) (y+9)(3/4)

This expression is also not equivalent. After opening up the parentheses, it would again result in y being multiplied to \frac{3}{4}.

(y+9)(3/4)\\= y(3/4)+9(3/4)

d) (9*3/4)+y

This expression is equivalent, as 9 and \frac{3}{4} are still being multiplied together and y is added to the product. We can actually rearrange this to look like the original expression:

(9*3/4)+y\\=y+(9*3/4)\\=y+(9*\frac{3}{4} )\\=y+9*\frac{3}{4}

I hope this helps!

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Answer:

it's D for sure.........

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spin [16.1K]

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