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Monica [59]
3 years ago
5

9/2(8-x)+36=102-5/2(3x+24)

Mathematics
2 answers:
Aneli [31]3 years ago
8 0

What is the available answers?


KengaRu [80]3 years ago
4 0

Answer:

x=-10

Step-by-step explanation:

Given : Equation-  \frac{9}{2}(8-x)+36=102-\frac{5}{2}(3x+24)

Simplifying :

Step 1 : Write the equation

\frac{9}{2}(8-x)+36=102-\frac{5}{2}(3x+24)

Step 2 : Multiply 2 both side

9(8-x)+36\times2=102\times2-5(3x+24)

Step 3 :  solve

72-9x+72=204-15x-120

⇒ 144-9x=-15x+84

⇒ -9x+15x=84-144

⇒ 6x=-60

⇒ x=\frac{-60}{6}

⇒ x=-10

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Can I get some help on this please
SVEN [57.7K]
6a. y=-8(x-10)²
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3 years ago
A bus travels 150 Miles on 15 gallons of gas. How many gallons will it need to travel 220
vlada-n [284]

Answer:

22

Step-by-step explanation:

220 x 15 ÷ 150 = 22

or each gallon gives him 10 miles.

for 220 miles he needs 22 gallons

8 0
4 years ago
Read 2 more answers
What are three different methods for solving systems of equations and when would you use each one?
Marrrta [24]

The first method is substitution. This is when the x or y value that is known is substituted into one of the equations. This should be done when you can easily see or find the x or y value.

Example: x = 3, and x + 8y = 30.

The x was given in the first equation (x = 3), and can therefore be substituted into the other equation to find y.

The next method is elimination. This is when you add the two systems together and eliminate either the x values or the y values. This should be done when there are opposite signs of the same number in both equations.

Example: y - 3x = 24, and 2y + 3x = 7

In the first equation you have -3x, and in the second you have 3x. If you were to add the two equations, the x values would cancel out and you would be left with:

y + 2y = 24 + 7

And then you could solve for y.

The last method is to graph both equations and to see at which point the lines intersect.

7 0
3 years ago
PLEASE HELP ASAP!!!!!
Nata [24]

Answer:

\huge\boxed{\sf x = 20}

Step-by-step explanation:

=> Since it is an equilateral (Having all angles and all sides equal)  triangle, so every angles will be equal to the other.

=> The sum of the measures of interior angles of triangle add up to 180 degrees.

So,

3x + 3x + 3x = 180

9x = 180

Divide both sides by 9

x = 20

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
7 0
4 years ago
I am so confused, plz help! I will mark brainliest.
Alex Ar [27]

Answer:

-45

Step-by-step explanation:

5 0
3 years ago
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