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3 years ago

What’s the difference of 1/4 and 1/5?

Mathematics

1 answer:

vfiekz [6]3 years ago

7 0

1/4 is 25% or 0.25

1/5 is 20% or 0.20

So the difference between the two is 5%, 0.05, or 1/20.

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Keith_Richards [23]

The third one C. Because if you just take a close look at it it make sense

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3 years ago

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(2,-6), (-4,-3) What is the slope

mel-nik [20]

Step-by-step explanation:

the slope is -3

that is the answer

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2 years ago

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Hey all, can I get the answer + explanation for this? Would be much appreciated.

marysya [2.9K]

Answer:

x = 120

Step-by-step explanation:

Let's draw an imaginary dot in the middle of that line which runs between those two parallel lines, and now lets look at it as an angle.

This lines' angle is 180 degrees. Now lets move those two parallel lines together on the imaginary dot in the middle.

We can see that on the left side is one degree and the other side is another, however when we put them together we get the angle measurement of the our line which we identified was 180.

Now that we can see that our two angles must equal 180 when put together we know and can say that:

40 + (x + 20) = 180

So, lets work this out like basic algebra now.

40 + x + 20 = 180

x + 60 = 180

- 60 - 60

x = 120

And voila we have our x value.

Hope this helps :)

4 0

3 years ago

A cookie recipe requires 3/4 cup of flour to make 1.5 dozen cookies. How much flour is needed to make 1 dozen cookies

NISA [10]

Answer:

half a cup of flower -> 1/2

Step-by-step explanation:

i used a proportion to figure this out.

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4 years ago

Find the answer given below

Anastasy [175]

Answer:

Surface area = 6l^2

Volume = l^3

If total surface area increased by 2, then the length increased by $\sqrt{2}$

Volume then is increased by ( $\sqrt{2}$ l)^3 = 2 $\sqrt{2}$ l^3

1 :2 $\sqrt{2}$

Which is not an option in the question so this question clearly has a problem.

First of all It's supposed to be "then" not "than," so I'm not sure who teaches math without even knowing this basic grammar.

Second of all, if the answer is 8:1 the question should be "If each sides of a cube is doubled" not "the lateral surface area." Come to think of it what even is lateral surface area of a cube if all sides of the cube is supposed to be same.

Or, if the answer is 2:1 then, it should be If height lateral surface area of a cube is doubled by doubling the height and without changing the length and width" But, then the the shape would no longer be a cube.

Who even wrote this garbage question what.

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3 years ago