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Trava [24]
3 years ago
13

When david emptied the collection canister of his vacuum cleaner, he found nickels and quarters among the other of the canister.

When he counted the coins, he found that the number of quarters he counted was three less than number of nickels he counted. He has 21 coins in all.
Mathematics
1 answer:
Ugo [173]3 years ago
5 0

he has 9 quarters and 12 nickles.

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Can someone help me answer these two questions please.
mr_godi [17]

Answer:

The first one is a the second one is b

Step-by-step explanation:

3 0
2 years ago
A can of tennis balls costs $6. The total cost c of n cans, including sales tax t, is given by the equation c = 6n + t. Which is
lora16 [44]

Answer:

The reason why c = 6n + t is the same as c - t = 6n is because c is the sum of the addition problem. 6n and t are the addends. The inverse operation for addition is subtraction. c is the cost that will be reduced by t. The answer is still 6n.

3 0
3 years ago
Can someone help me?
strojnjashka [21]

Answer:

Choice  C is correct.

Step-by-step explanation:

put point A in (x+1,y-3)

now (-6,4) becomes (-5,1).

put point C in (x+1,y-3)

now (2,1)  becomes (3,-2)

put point B  in (x+1,y-3)

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3 0
3 years ago
Read 2 more answers
Given: F(x) = x + 2 and G(x) = 3x + 5<br><br> (F * G) (x) =
RUDIKE [14]

Answer:

3x²+11x+20

Step-by-step explanation:

x(3x+5)+2(3x+5)

3x²+5x+6x+20

3x²+11x+20

8 0
3 years ago
Evaluate each expression for the given value of the variable.<br> x + 2x - x - 1; x = 2
MaRussiya [10]

x + 2x - x - 1

  • Substitute 2 for x into the expression.

(2) + 2(2) - (2) - 1

  • Multiply 2 * 2 first.

(2) + (4) - (2) - 1

  • Solve from left to right.
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6 - 2 - 1

  • Solve from left to right.
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4 - 1 = 3

<h3>Your answer is 3.</h3>
6 0
3 years ago
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