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Artist 52 [7]
3 years ago
5

Please help (10 points) asap

Mathematics
1 answer:
slava [35]3 years ago
4 0

Answer:

A) 60 Miles per gallon

B) 10 Mins per mile

C) $0.45 per ounce

:)

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The sum of two numbers is 24. One is 6 less than twice the other. Find the two numbers.
Fynjy0 [20]

Answer:

\huge\boxed{\sf x = 14 , y = 10}

Step-by-step explanation:

Let the two numbers be x and y

<u>Condition # 1:</u>

<h2>x + y = 24  ---------------------(1)</h2>

<u>Condition # 2:</u>

<h2>x = 2y - 6  ----------------------(2)</h2>

\rule[225]{225}{2}

Putting Equation # 2 in Equation # 1

2y - 6 + y = 24

3y - 6 = 24

Adding 6 to both sides

3y = 24 + 6

3y = 30

Dividing both sides by 3

y = 10

\rule[225]{225}{2}

Putting y = 10 in Equation # 2

x = 2y - 6

x = 2(10) - 6

x = 20 - 6

x = 14

\rule[225]{225}{2}

6 0
4 years ago
Whats negative 12 plus negative 9 minus negative 7
alex41 [277]

Answer:

-12-9--7= -14

Step-by-step explanation:

1 -12-9--7=

2 -21--7= (minus negative equals plus)

3 -21+7=14

3 0
3 years ago
Read 2 more answers
What is the approximate solution of the equation x^2+12=0
Serggg [28]

Answer:

x=-2i\sqrt{3} , 2i\sqrt{3}

Step-by-step explanation:

The equation is already set equal to zero, so that is a good start

We then need to get x by itself. To do so we need to subtract 12 from both sides to get x² = -12

Then we need to take the square root of both sides\sqrt{x^{2} } =\sqrt{-12} which gives us x=-2i\sqrt{3} , 2i\sqrt{3}

6 0
3 years ago
Select the correct answer.
Likurg_2 [28]

Answer:The answer is C

Step-by-step explanation:

When you plug it in 7*2 is 14+ 5*3 is 15 you add 14+15 you get 29 and then for the other equation you do 12-5 which gives you the x value of 7. Hope this helps.

5 0
3 years ago
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An oil painting was sold at an auction house for $6,550. The buyer agrees to pay that price plus a commission called the buyer's
Ksenya-84 [330]

Answer: $1,637.5

Step-by-step explanation:You would convert the percentage to a decimal of .25, then multiply that by the buying price.

4 0
2 years ago
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