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kumpel [21]
3 years ago
7

PLEASE HELP ASAP! I WIL MARK AS BRAINLIEST FOR THE FIRST ANSWER!! A zoo has 15 Emperor penguins. The Emperor penguins make up 30

, percent of all the penguins at the zoo. How many penguins live at the zoo? I will give brainliest for the first one answered.
Mathematics
1 answer:
svp [43]3 years ago
5 0

Answer:

50 penguins live at the zoo

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Please help, this is for 8th grade math.
expeople1 [14]

Answer:

(2,-2)

Step-by-step explanation:

The first step is to substitute y in the first equation with the right side of the second equation because they both equal to y.

-3x+4 = 4x-10

-3x-4x+4-4 = 4x-4x-10-4

-7x = -14

-7x/-7 = -14/-7

x = 2

Plugin 2 for x for either equation to solve for y, I'll be using the second equation, but either one is fine.

y = 4(2)-10

y = 8-10

y = -2

Plugin x = 2 and y = -2 into (x,y), and you get (2,-2)

6 0
3 years ago
Help math ITS EASY IF U LOKE RATIO
scoundrel [369]

You have the right one selected.

The answer is 2:1

To find this take each side of ABC and its corresponding side on DEF, then simplify. You can treat ratios just like fractions, so simplify them in the same way.

20:10 becomes 2:1

12:6 becomes 2:1

16:8 becomes 2:1

7 0
3 years ago
About 100,000 cans are recycled every minute in the United states. about how many cans are recycled in 24 hours?
lana66690 [7]
The answer is C because 24 times 10 to the 5th power is the same as 100,000 times 24
8 0
3 years ago
What is 1/3 written as an improper fraction
ad-work [718]
I'm pretty sure that you can not make these improper fractions; improper fraction just means the top number is bigger than the bottom. like 3/2 would be considered an improper fraction
4 0
3 years ago
What is the actual length of the living space if the length of the scale drawing is 16. 8 centimeters? Enter your answer in the
yaroslaw [1]

To solve the problem we must know about the Ratio.

<h2>What is Ratio?</h2>

A ratio shows us the number of times a number contains another number.

The length of the living space, in reality, is 21 meters.

Given to us

  • The scale is given as 2 centimeters equals 2.5 meters.

To find

  • the actual length of the living space if the length of the scale drawing is 16. 8 centimeters

<h3>Scale ratio</h3>

As it is given that 2 cm on the scale drawing is equal to 2.5 meters in real, therefore, the ratio can be written as

\dfrac{\text{Length of the scale drawing}}{\text{Length in reality}} = \dfrac{2\ cm}{2.5\ meters}

<h3>Length of the living space</h3>

Using the same scale ratio,

\dfrac{\text{Length of the living space in scale drawing}}{\text{Length of the living space in reality}} = \dfrac{2\ cm}{2.5\ meters}

\dfrac{16.8}{x} = \dfrac{2\ cm}{2.5\ meters}\\\\x=\dfrac{16.8 \times 2.5}{2} = 21\ meters

Hence, the length of the living space, in reality, is 21 meters.

Learn more about Ratio:

brainly.com/question/1504221

7 0
2 years ago
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