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2 years ago

PLSS HELP ME WITH THIS! 20 POINTS

Mathematics

2 answers:

Liono4ka [1.6K]2 years ago

4 0

<h3>Answer: Choice C</h3>

Reason:

k = constant of proportionality

The value of k is determined by the formula

k = y/x

Let's say we picked the first row of table C

k = y/x

k = 3/18

k = 1/6

You should get the same k value for the other rows of this table. Treat the mixed number 4 1/2 as 4.5, if you prefer.

Svetradugi [14.3K]2 years ago

3 0

Answer:

Step-by-step explanation:

Every $x$ is 6 times bigger than $y$

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Solve the following Linear equation

IRISSAK [1]

Answer:

The answer is -21

Step-by-step explanation:

0.5(5 - 7x) = 8 - (4x + 16)

2.5 - 3.5x = 8 - 4x - 16

3.5x - 2.5 = 4x - 8 + 16

3.5x - 4x = 2.5 - 8 + 16

-0.5x = 10.5

x = 10.5/(-0.5)

x = -21

Thus, The answer is -21

<em><u>-TheUnknownScientist</u></em>

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3 years ago

Read 2 more answers

A right triangle is ____ a scalene triangle.<br> Always, sometimes, or never

konstantin123 [22]

Answer: Sometimes

Step-by-step explanation:

This is a very tricky question. We know that in an isosceles triangle, two sides are the same. Because of this, we know that the right angle is always 90 degrees, and the other sides would be 45 degrees each because all triangles add up to 180 degrees. A right triangle could also be scalene, meaning none of the sides are the same, for example a scalene triangle could have sides of 44, 46, and 90 degrees. Rest assured, a right triangle will never be equalateral. Hope this helps :) Merry Christmas

4 0

3 years ago

Which equation(s) below is parallel to y = x-5

PolarNik [594]

2y= 2x - 10 is the correct answer

8 0

3 years ago

What is the volume of this composite solid?

Marta_Voda [28]

Answer:

A: 64 cubic meters

Step-by-step explanation:

Multiply 7m, 2m, and 4m. You get 56

Then for the smaller cube multiply 2, 2, and 2

3 0

3 years ago

Read 2 more answers

2(1 – 8x) = 1/2 (8 - 64x)

faust18 [17]

Answer:

$x=\frac{1}{8}$

Step-by-step explanation:

A quick review on PEMDAS, the order of how to solve an equation:

P - parentheses. When parentheses are being used, you have to do everything inside them before doing everything outside of them.

E - exponents. We'll skip these, since there aren't any exponents we need to worry about in this equation.

M/D - multiplication/division. I include these both together because they can be done at the same time.

A/S = addition/subtraction. Can also be done at the same time.

Some other things to note:

You add all the things with an x attached to it, and you add all the things without an x attached to it, and these never cross.

When you bring something from one side of an equal sign to another, you make it negative.

Let's solve for x using what we've learned:

$2(1-8x)=\frac{1}{2} (8-64x)\\2-16x=4-32x\\16x=2\\x=\frac{2}{16} \\x=\frac{1}{8}$

8 0

3 years ago