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Ad libitum [116K]
2 years ago
10

Nancy and Kevin collect coins. Nancy has x coins. Kevin has 9 coins fewer than five times the number of coins Nancy has. Write a

nd simplify an expression for the total number of coins Nancy and Kevin have.
Mathematics
1 answer:
Alexus [3.1K]2 years ago
3 0

Answer:

x + (5x-9)

Step-by-step explanation:

x stands for the number of coins Nancy has

Kevin has 9 less than 5 times what Nancy has, so his part of the expression is 5x-9

To find the total number of coins they have, you have to add Nancy's number of coins x plus Kevin's number of coins 5x-9

x + (5x-9)

But you have to put parentheses around Kevin's 5x-9 so that part of the expression is calculated first, as per order of operations

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nataly862011 [7]
1)  Speed = 12mph =12 mi/1 h =12 mi/ 60 min = 1/5 mi/ min 
1 h= 60 min
t =20 min
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2) If he would bike for 15 min
Distance=speed*time 
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3 years ago
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Reika [66]
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3 years ago
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3 years ago
Someone please help me <br> The top number is 18
kotegsom [21]

Answer:

x = 24

Step-by-step explanation:

Since this is a right angle, we can use the Pythagorean Theorem to find x. In the formula, a^2 + b^2 = c^2, variables a and b represent the lengths of the legs, and variable c represents the length of the hypotenuse.

a^2 + b^2 = c^2

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2 years ago
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ipn [44]

Step-by-step explanation:

Dividing by a fraction is the same as multiplying with the opposite of the fraction. 8/9 / 3/4=8/9×4/3=32/27=1 5/27.

6 0
4 years ago
Read 2 more answers
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