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2 years ago

Write each percent as a decimal and as a fraction in simplest form. 36. 200% 37. 135% 38. 152% 39. 0.03% 40. 0.45%

Mathematics

1 answer:

Brut [27]2 years ago

3 0

Answer:

2.0 , 2/1.

1.35 , 1 7/20.

1.52, 1 13/25

0.0003, 3/10000

0.0045, 9/2000

Step-by-step explanation:

1.35 = 1 35/100 = 1 7/20

1.52 = 1 52/100 = 1 13/25

0.0045 = 45/10000 = 1 9/2000.

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Harrizon [31]

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2 years ago

2x + 5y = 16<br> y + 4x = 3

masha68 [24]

Answer:

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2 years ago

I cant believe how bad my brother, Reuben, is at growing things. He bought a whole bunch of plants at the nursery the other day.

jeka94

Answer:

68 plants.

Step-by-step explanation:

Let x represent the number of plants that Reuben bought from the nursery.

We have been given that Reuben bought a whole bunch of plants at the nursery the other day. Right away, five died. So number of plant left would be $x-5$ .

We are also told that then our dog dug up 2/9 of them. So number of plants left after dug-up would be $\frac{2}{9}(x-5)$ .

Further a rabbit came and ate ½ of what was left. So number of plants left would be $\frac{\frac{2}{9}(x-5)}{2}=\frac{2}{9\times 2}(x-5)=\frac{1}{9}(x-5)$ .

Since Reuben had only 7 plants left, so we will equate our expression with 7 and solve for x as:

$\frac{1}{9}(x-5)=7$

$9\times \frac{1}{9}(x-5)=7\times 9$

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$x=68$

Therefore, Reuben bought 68 plants at the nursery.

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2 years ago

Ten thousand raffle tickets are sold. one first prize of$2000,4 second prizes of $800 each, and10 third prizes of$400 each are t

Makovka662 [10]

From the information given:
Random wins 2000 800 400 0
Probabilities 1/10^4 4/10^4 10/10^4 9985/10^4
thus the expectation will be:
E(x)=[2000+4*800+4000+9985*0]/10^4
E(x)=9200/10000
E(x)=$0.92

3 0

2 years ago

Write each percent as a decimal and as a fraction in simplest form. 36. 200% 37. 135% 38. 152% 39. 0.03% 40. 0.45%​

Write each percent as a decimal and as a fraction in simplest form. 36. 200% 37. 135% 38. 152% 39. 0.03% 40. 0.45%