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scoundrel [369]

3 years ago

12

Davis has ten apples. Gus is hungry and eats a fifth of them, but Davis buys twice the amount gus ate the next day. How many app

les is Davis left with after the purchase?:

2 answers:

andrey2020 [161]3 years ago

8 0

He is left with 12 apples

Basile [38]3 years ago

4 0

He is left with 12

1/5 of 10 is 2 so he was left with 8

2*2 is 4, and 8+4 is 12!

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Which expression has a positive quotient?

svp [43]

Answer:

Only 1st option Negative three-fourths divided by Negative two-thirds has positive quotient.

Option A is correct.

Step-by-step explanation:

We will solve to find out Which expression has a positive quotient.

We know the division rule: $\frac{-a}{-b}=\frac{a}{b}$ and $\frac{-a}{b}=\frac{-a}{b}$

We will use these rules

1) Negative three-fourths divided by Negative two-thirds

$=\frac{-\frac{3}{4} }{-\frac{2}{3} }\\=-\frac{3}{4}\times -\frac{3}{2}\\=\frac{9}{8}$

The quotient is positive.

2) Negative StartFraction 1 over 8 EndFraction divided by 3 and one-fifth

$\frac{-\frac{1}{8} }{3\frac{1}{5} }\\=\frac{-\frac{1}{8} }{\frac{16}{5} }\\=-\frac{1}{18} \times \frac{5}{16}\\=-\frac{5}{288}$

The quotient is negative.

3) 2 and StartFraction 2 over 7 EndFraction divided by negative one-fifth

$\frac{2\frac{2}{7} }{-\frac{1}{5} }\\= \frac{\frac{16}{7} }{-\frac{1}{5} }\\=\frac{16}{7} \times -5\\=-\frac{80}{7}$

The quotient is negative.

4) Negative 6 divided by Five-thirds

$\frac{-6}{\frac{5}{3} }\\=-6 \times \frac{3}{5}\\=-\frac{18}{5}$

The quotient is negative.

So, only 1st option Negative three-fourths divided by Negative two-thirds has positive quotient.

Option A is correct.

4 0

3 years ago

Read 2 more answers

Which of the following are exterior angles? Check all that apply.

Marina86 [1]

Answer:

A

C

D

E

Step-by-step explanation:

Exterior angles can be described as the angles that are formed between the side of a polygon and the extended adjacent side of the polygon.

Or an exterior angle is the angle that is not inside the triangle formed.

The angles inside the triangle are interior angles.

Exterior angles are :

2

3

4

6

Interior angles are :

1

5

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3 years ago

Which of the following has a constant of proportionality of 2?

denis-greek [22]

Linear fonction's equation : y = ax

So only in y = 2x
2 is the constant of <span>proportionality</span>

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3 years ago

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Find three consecutive odd integers that have a sum of 9. Order them from least to greatest.

fomenos

Answer:

1, 3, 5

Step-by-step explanation:

They're odd, consecutive, and equal 9.

4 0

3 years ago

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A bag contains n white tiles and five black tiles. The tiles are all equal in shape and sizes. A tile is drawn at random and is

pochemuha

We know that our bag has n white tiles and 5 black tiles.

So, the total number of tiles in the bag is n + 5.

We know that a tile is drawn at random and is replaced, then a second tile is drawn.

a) We want to find the probability that the first tile is white.

Because all the tiles have the same probability of being randomly drawn, the probability of drawing a white tile is just the quotient between the number of white tiles and the total number of tiles in the bag.

$P = n/(n + 5)$

And for the second draw, we do not have any restrictions, so the probability is the above one.

$P = n/(n + 5)$

b) Now we want both tiles to be white.

For the first one we already know the probability, which is:

$P = n/(n + 5)$

And because the tile is replaced, the probability of drawing a white tile again is exactly the same:

$Q =n/(n + 5)$

The joint probability (the probability of both of these outcomes to happen together) is the product of the individual probabilities.

Probability = $P*Q = (n/(n + 5))^2$

If you want to read more about probability, you can read:

brainly.com/question/24256398

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3 years ago