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3 years ago

What number is 30% of 20?(will give Brainliest)

1 answer:

6 0

In order to get the answer you will have to divide 30 by 100 then divide the number you get from that by 20 to receive your answer.

20/x=100/30

(20/x)*x=(100/30)*x

20=3.33333333333*x

(3.33333333333) to get x

20/3.33333333333=6

Therefore your answer is "6."

Hope this helps

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If x + 3/4 =1, then which point on the number line could be x ?

Anni [7]

Answer:

point B

Step-by-step explanation:

isolate the x to solve for x:

=> x = 1 - $\frac{3}{4}$

=> x = $\frac{1}{4}$

point B=> the half of $\frac{1}{2}$ is $\frac{1}{4}$ => $\frac{1}{2}$ x $\frac{1}{2}$ = $\frac{1}{4}$

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3 years ago

Read 2 more answers

What role do animals have in the carbon cycle?

Tresset [83]

Answer:

use sugar and release carbon

Step-by-step explanation:

Animals they eat and then release carbon through respiration. Nitrogen is only in the nitrogen cycle, and the only living organisms that can release oxygen are plants because humans and animals cannot photosynthesize. LOL!

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3 years ago

Ben and Josh went to the roof of their 40-foot tall high school to throw their math books off the edge.

krok68 [10]

Answer:

Josh's book lands first
Ben's lands about 0.648 seconds later

Step-by-step explanation:

Using the given equation for v=60 and s=40, the height of Ben's book is ...

h(t) = -16t² +60t +40

We want to find t when h(t) = 0, so we're looking for the solution to ....

0 = -16t² +60t +40

Using the quadratic formula, we find the positive value of t to be ...

t = (-60 -√(60² -4(-16)(40)))/(2(-16)) = (15 +√385)/8 ≈ 4.3277

Similarly, the height of Josh's book is ...

0 = -16t² +48t +40

t = (-48 -√(48² -4(-16)(40)))/(2(-16)) = (12 +√304)/8 ≈ 3.6794

The time before Josh's book lands is shorter by ...

4.3277 -3.6794 ≈ 0.6482 . . . . . seconds

Josh's book reaches the ground first, by about 0.648 seconds.

3 0

3 years ago

Brenda is cooking couscous. The recipe says she requires 480 grams of couscous for 4 people. How many will she need for 14?

alexgriva [62]

Answer:

$1,680\ g$

Step-by-step explanation:

we know that

Brenda requires 480 grams of couscous for 4 people

using proportion

Find out how many grams of couscous she requires for 14 people

Let

x -----> the amount of grams

$\frac{480}{4}\frac{g}{people}=\frac{x}{14}\frac{g}{people} \\\\x=14*480/4\\\\x=1,680\ g$

4 0

3 years ago

Sarah would like to hire a clown for her daughter‘s birthday party. Clown A is offering his services for an initial fee of $100

photoshop1234 [79]

It will be equal in 9 hours

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3 years ago