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3 years ago

Please help me real quick.

Mathematics

2 answers:

bonufazy [111]3 years ago

7 0

8 is to 2 as x is to 4

8/2 = x/4. Cross multiply and solve X
8(4) = 2x
16 = 2x divide by 2 on both sides
8= x

Do the same for each box using the ratio 8/4

NemiM [27]3 years ago

4 0

You are multiplying by 4 or dividing by 4 8 16 20 28
2 4 5 7

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-4.35

Advocard [28]

Answer:

The answer is -4.35

Step-by-step explanation:

3/8 = 0.375

x = 0.4

Now,

3/8x - 4.5

0.375 × 0.4 - 4.5

0.15 - 4.5 = -4.35

Thus, The answer is -4.35

-TheUnknownScientist 72

7 0

2 years ago

-3x + 3y =3 -5x + y =13 Solve as a whole number

anzhelika [568]

Answer:

X = 3 x − 14

y = − x + 5

Step-by-step explanation:

Solve for the first variable, then substitute the result into the other equation.

4 0

2 years ago

Read 2 more answers

1) What is the first x in x + 3x = 16?

Lyrx [107]

1. x=22/5
2. x=4
3. x=4

5 0

3 years ago

Is (-1,5) a solution to each system? y=2x+7

Nadya [2.5K]

Answer:

Step-by-step explanation:

Plug (-1,5) into the equation y = 2x+7

5 = 2(-1)+7

5 = -2+7

5 = 5

The equation holds true, so (-1,5) is a solution to y = 2x+7

4 0

3 years ago

Read 2 more answers

A cylinder has a radius of 10 inchunits s and a height of 6 inches. About what is it’s volume in cubic inches? Use 3.14

kotykmax [81]

Given: A cylinder with radius = 10 inches and height = 6 inches.

We have to determine the volume of the cylinder.

Volume of a cylinder with radius 'r' and height 'h' is given by the formula $\pi r^2 h$

Substituting the value of 'r' and 'h', we get

Volume = $3.14 \times (10)^2 \times 6$

Volume = $314 \times 6$

Volume = 1884 cubic inches.

Therefore, the volume of the cylinder is 1884 cubic inches.

4 0

3 years ago