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Feliz [49]
2 years ago
11

Which system of equation cannot be directly solved by applying the elimination method?

Mathematics
1 answer:
lara31 [8.8K]2 years ago
5 0

I think the answer is C

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Solve for x: −4x+6(6−2x)=−7x−36
ValentinkaMS [17]

Answer:

x = 8

Step-by-step explanation:

-4x + 6(6 - 2x) = -7x - 36

-4x + 36 - 12x = -7x - 36

-16x + 36 = -7x - 36

<u>       +36           +36</u>

-16x + 72 = -7x

<u>+16x           +16x</u>

72 = 9x

divide by 9

<u><em>x = 8</em></u>

4 0
2 years ago
Read 2 more answers
A water tank has a radius 5 feet and height 11 feet. How much water can it hold?
Semmy [17]

The water tank hold 863.50 ft^{3} of water.

<h3>What is Volume of cylinder?</h3>

The volume of a cylinder is the number of unit cubes (cubes of unit length) that can be fit into it. It is the space occupied by the cylinder as the volume of any three-dimensional shape is the space occupied by it.

The water tank is in the shape of cylinder whose radius = 5 feet

and, height= 11 feet

Volume of water tank =\pi r^{2} h

                                    = 3.14 * 5 * 5 * 11

                                    = 3.14*25*11

                                   = 863.50 ft^{3}

Hence the water tank hold 863.50 ft^{3} of water.

Learn more about Volume of cylinder here:

brainly.com/question/16788902

#SPJ1

6 0
1 year ago
Sally is 140cm tall and Tara is 160cm. What is the ratio of their<br> heights (in its lowest terms)
Rom4ik [11]

Answer:

140:160----simplify by 10

14:16--------simplify by 2

7:8 is the lowest

Step-by-step explanation:

3 0
2 years ago
Which choice is the solution for this system ? 2x − 5y = 14 x + 3 2 y = 5
VashaNatasha [74]

Answer:

The required solution is (5.75,-0.5). It can be written as (\frac{11}{4},-\frac{1}{2}).

Step-by-step explanation:

The given equations are

2x-5y=14                       .... (1)

x+\frac{3}{2}y=5            .... (2)

Multiply the equation (2) by 2.

2x+3y=10                     .... (3)

Subtract equation (1) from equation (3).

2x+3y-(2x-5y)=10-14

2x+3y-2x+5y=-4

8y=-4

y=-\frac{1}{2}=-0.5

Put this value in equation (1).

2x-5(-0.5)=14

2x+2.5=14

2x=11.5

x=5.75

Therefore the required solution is (5.75,-0.5). It can be written as (\frac{11}{4},-\frac{1}{2}).

3 0
2 years ago
Jason won 115 super bouncy ballsplaying horseshoes at the county fair. At
STatiana [176]

Answer:

28 students

Step-by-step explanation:

Work backwards.

First, subtract 3:

115 - 3 = 112

Then, divide by 4:

112 ÷ 4 = 28

So, there are 28 math students in his class.

7 0
2 years ago
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