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Len [333]
3 years ago
7

List three different combinations of coins, each with a value of 30% of a dollar

Mathematics
1 answer:
ipn [44]3 years ago
5 0

Answer:

Step-by-step explanation:

30% of a dollar...

0.30(1) = 0.30.....so 30% of a dollar is 30 cents

1 quarter and 1 nickel = 0.30

3 dimes = 0.30

2 dimes and 2 nickels = 0.30

6 nickels = 0.30

3 nickels, 1 dime, 5 pennies = 0.30

10 pennies, 2 nickels, a dime = 0.30

30 pennies = 0.30

take ur pick :)

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3 years ago
Kendra needs 1 dollar to buy a ball she has 73 cents what coins does she need to add her 73 cents
Alexeev081 [22]

Answer:

Kendra needs 3 coins (1 coin of 25 cent & 2 coins of 1 cent)  to add 27 cents in 73 cents to make 1 dollar

Step-by-step explanation:

Given :

Kendra has 73 cents

She need 1 dollar to by a ball

∴ She requires additional money = 1\ dollar - 73 \ cents = 27 \ cents

Standard Coins available are 50 cents , 25 cents, 10 cents, 5 cents and 1 cent.

To make 27 cents =  25+1+1 = 1 coin of 25 cent & 2 coins of 1 cent

5 0
3 years ago
Solve the system of linear equations by substitution x-y=-4 2x+y=4
mylen [45]

Answer:

Given:

x-y=-4

2x+y=4

Step-by-step explanation:

x-y=-4

2x+y=4

add both the equation, we get

⇒  x-y=-4

  2x+y=4

⇒3x=-4+4

⇒3x=0

⇒x=0

∴ to find the value of y, put the value of x in any one equation

⇒x-y=-4

⇒0-y=-4

⇒-y=-4

⇒y=4

∴ x=0, y=4

3 0
3 years ago
0.047×(9.2×10"4)<br><img src="https://tex.z-dn.net/?f=0.047%20%5Ctimes%20%289.2%20%20%5Ctimes%20%20%7B10%7D%5E%7B%3F4%7D%20" id=
Arada [10]



I don’t know if this is the correct answer because to the left of the four is there ? or “. I put it into the calculator as 10^4, so no ? or “.

4 0
3 years ago
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