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Airida [17]
3 years ago
8

One number is eight more than twice another. If their sum is decreased by nine, the result is fourteen. Find the numbers

Mathematics
1 answer:
Oliga [24]3 years ago
6 0
x-\ first \ number\\
y-\ second\ number\\\\
x-8=2y\\
x+y-9=14\\\\
x=2y+8\\
x+y=23\\\\
2y+8+y=23\\
3y+8=23\ \ \ |subtract\ 8\\
3y=15\ \ \ |divide\ by\ 3\\
y=5\\\\x=18Answer here
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3 years ago
4x + 5y = -2 . what is the slope show ur work
lawyer [7]

4x + 5y = -2

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4 0
3 years ago
Daniel has a coupon for $1.44 off
Art [367]

Answer:

Daniel will save $1.18

Step-by-step explanation:

First, find the cost of the name-brand flour with the coupon:

Subtract 1.44 from the original price of 9.12:

9.12 - 1.44

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So, the price of the name-brand flour with the coupon is $7.68

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3 0
2 years ago
​ On a certain hot​ summer's day, 335 people used the public swimming pool. The daily prices are $1.25 for children and $2.00 fo
spin [16.1K]

Answer:

57

Step-by-step explanation:

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We know that there were 340 people total, so c + a = 340. This implies that a = 340 - c

We also know that $1.75 c + $2.00 a = $609.25

By substituting a with 340 -c we have $1.75 c + $2.00 (340 -c) = $609.25

Use the distributive property to obtain $1.75 c + $680 - $2.00 c = $609.25

Subtract $680 from both sides and combine like terms to get - $0.25 c = -

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Now, divide both sides by -$0.25 to get c = 283, the number of children.

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4 0
3 years ago
Write as an improper fraction<br> 8 1/2<br> (Simplify your answer.)
liq [111]

Answer:

\frac{17}{2}

Step-by-step explanation:

To convert a mixed fraction to a improper fraction, you have to multiply the denominator (2) by the whole number (8). 8 multiplied by 2 is 16. Then add the numerator (1). 16+1=17. That becomes your numerator, the denominator (2) stays the same.

I hope this helps!

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3 years ago
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