3 years ago

What is the radius? PLEASE HELP

Mathematics

1 answer:

KiRa [710]3 years ago

7 0

I hope this helps you

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Joseph has $22 in his bank account and deposits $11.50 each week. At the same time Annie has $218 but i

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Annie: 13x+218

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Estimate 7 x 522 ns

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Daniel has a set off green,blue, and red the red marblesmmake up exactly 1halfs of the set the set has 2 blue marble the number

Blizzard [7]

Answer:

There are 12 marbles in Daniel's set.

Step-by-step explanation:

Given:

Daniel has a set off green,blue and red.

The red marbles make up exactly half of the set.

The set has 2 blue marbles.

The green marbles in set are as twice of the blue marbles in set.

Now, to find the number of marbles in Daniel's set.

Let the number of marbles in Daniel set be $x.$

So, the red marbles = $\frac{1}{2}\ of\ x$ $=\frac{x}{2}$

Blue marbles = 2.

And the green marbles = $2\times 2$ $=4.$

According to question:

$x=\frac{x}{2} +2+4$

$x=\frac{x}{2} +6$

$x=\frac{x+12}{2}$

Multiplying both sides by 2 we get:

$2x=x+12$

Subtracting both sides by $x$ we get:

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Therefore, there are 12 marbles in Daniel's set.

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3 years ago

So this is for khan academy and I would really like some help with it :)

coldgirl [10]

Its slope so itll be 4/2 and thats 2

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Last year there were 120 students in choir. This year, 30% more students took choir. How many students are taking choir this yea

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Answer:

156 students

Step-by-step explanation:

To find how many students are in choir this year, multiply 120 by 1.3

120(1.3)

= 156

So, this year, 156 students are taking choir

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3 years ago

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