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Licemer1 [7]
2 years ago
14

Two numbers are in the ratio of 3:4. If they sum of the numbers is 63, find the numbers

Mathematics
1 answer:
Aleonysh [2.5K]2 years ago
6 0

Answer:

27 and 36

Step-by-step explanation:

Let's call the two numbers x and y.

3x=4y \\\\x+y=63

If you subtract y from both sides of the second equation, you can isolate x and substitute it into the first equation:

x=63-y \\\\3(63-y)=4y\\\\189-3y=4y\\\\189=7y\\\\y=27\\\\x=63-27=36

Hope this helps!

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a gas station sells regular gas for $2.10 per gallon and premium gas for $2.90 a gallon. at the end of a business day 280 gallon
insens350 [35]

200 gallons of regular gas and 80 gallons of premium gas were sold.

Let the amount of regular gas sold be x gallons. So, the amount of premium gas sold will be (280 - x).

Now, forming the equation using the given information, to find the amount of each type of gallon.

Equation -

2.10x + 2.90(280 - x) = 652

Performing multiplication with values inside bracket in Left Hand Side

2.10x + 812 - 2.90x = 652

Rewriting the equation -

812 - 652 = 2.90x - 2.10x

Performing subtraction

160  = 0.8x

Rewriting the equation according to x

x = 160÷0.8

Performing division to find the value of x

x = 200

So, 200 gallons of regular gas was sold.

Amount of premium gas sold = 280 - 200

Performing subtraction

Amount of premium gas sold = 80 gallons

Hence, 200 gallons of regular gas and 80 gallons of premium gas was sold.

Learn more about problems on gas -

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4 0
1 year ago
PLEASE HELP 15 POINTS WILL GIVE BRAINLIEST The following formula, F = ma, relates three quantities: Force (F), mass (m), and acc
8_murik_8 [283]
Part A

The expression "ma" is the same as "m*a" (m times a). To isolate 'a', we divide both sides by m. Division is the inverse operation of multiplication. Think of it as undoing multiplication

F = ma
F = m*a
F/m = m*a/m
F/m = a
a = F/m

Answer: a = F/m
Note: the slash "/" without quotes means "divide"

===========================================
Part B

Use the result from part A. We will plug F = -24 and m = 10 into that equation

a = F/m
a = -24/10
a = -2.4

Answer: -2.4

===========================================
Part C

We will use the equation F = m*a

F = m*a
24 = m*12 ... plug in F = 24 and a = 12
24/12 = m*12/12
2 = m
m = 2

Answer: 2


4 0
3 years ago
One pound of shrimp costs $6.00. How much does 7/8 pound of shrimp cost?
professor190 [17]
$5.25, because if you multiply $6 by 7/8(fraction form), you get $5.25
7 0
3 years ago
Read 2 more answers
An irrational number is one that simply can not be worked into any equation.
Fudgin [204]

Answer:

it can be use in equation

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2 years ago
What is a possible absolute value inequality to represent -1
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Answer:

1

Step-by-step explanation:

I believe the answer is one but I'm not 100% sure

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