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Westkost [7]
3 years ago
6

VERY URGENT NEED HELP! WILL MARK BRAINLIEST. Two numbers have a sum of 162 and a difference of 64. What are the two numbers? Put

the biggest number first.
Mathematics
1 answer:
n200080 [17]3 years ago
6 0

Answer:

113, 49

Step-by-step explanation:

x + y = 162\\x - y = 64\\add\\the\\equations\\\\x + x + y - y = 162 + 64\\2x =226\\\\x = 113 \\113- y = 64\\\\y = 49

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- Eight mechanics all earning $16 an hour met for a half
Gelneren [198K]

Answer:

The 30-minute meeting of eight mechanics being paid $16 an hour, costed the garage $64!

Step-by-step explanation:

First, identify what you know:

1) A single mechanic is paid $16 an hour.

2) Eight mechanics, being paid $16 an hour, met.

3) The meeting lasted 30 minutes, or half an hour.

If a mechanic makes $16 dollars in one hour (60 min), how much would they make in half an hour? Since they worked for half an hour, they'd make half an hour wage!

$16/2 = $8

So, now if each of the eight mechanics were paid $8 for the half hour meeting, how much would it cost the garage?

$8 x 8 = $64

The garage would have had to pay $64 in total to the mechanics for their 30 minute meeting.

6 0
3 years ago
If you run for 3 hours at 5 miles per hour, how far will you run?<br><br> ____miles?
Westkost [7]

Answer and Step-by-step explanation:

Simply multiply 3 by 5.

We do this because for every hour we run, we run 5 miles, and the person runs for 3 hours.

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4 0
3 years ago
Read 2 more answers
Solve the system of equations algebraically.
nordsb [41]

Answer: D

Step-by-step explanation:

4x-3y=8\\5x-4y=5

Let's take one of the equations and solve for a variable to use the substitution method.

5x-4y=5\\5x=5+4y\\x=\frac{5+4y}{5}

Now replace this in the first equation.

4x-3y=8\\4(\frac{5+4y}{5})-3y=8\\\frac{20+16y}{5}-3y=8

Separate the terms.

\frac{20}{5}+\frac{16y}{5}-3y=8

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Subtract 4 from both sides to isolate y.

4-4+\frac{16y}{5}-3y=8-4

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Solve the difference.

\frac{16-(3)(5)}{5}y=4\\

\frac{16-15}{5} y=4

\frac{1}{5}y=4

Multiply by the reciprocal or the inverted fraction that is next to y to isolate it.

(\frac{5}{1} )(\frac{1}{5})y=4(\frac{5}{1})

y=20

Now, in order to find x, replace y in any of the two equations.

5x-4y=5\\5x-4(20)=5\\5x-80=5\\5x=5+80\\5x=85\\x=\frac{85}{5}\\x=17

7 0
3 years ago
What is the greatest common factor?
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Greatest common factor can be also said by highest common factor it is the highest common factor of 2 numbers for
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When you change fractions and mixed numbers into decimals, why is the denominator always 10, or 100
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Because they made it that way.

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3 years ago
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