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2 years ago

Emil is entering a bicycle race for charity

Mathematics

1 answer:

AVprozaik [17]2 years ago

5 0

I don’t think there is a question

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A zoo has 5 Emperor penguins. The Emperor penguins make up 30%, percent of all the penguins at the zoo. How many penguins live a

Maurinko [17]

Answer:

Step-by-step explanation:

this can be solved by ratio 15/x = 30/100. Cross multiply and solve for x. The answer is 50.

7 0

3 years ago

Please help marking brainliest

Alisiya [41]

Answer:

A. The value of x is 5

B. The length of each side is 20!

Step-by-step explanation:

For part A., We can determine x by setting these equations to equal each other (as we know that all sides of a square are equal)! See below for how to:

$4x = 2x +10\\2x = 10\\x=5$

For part B. sub x for 5 to get the side length of one side...

$4(5) = 20\\2(5) +10=20$

We already know that all sides are equal, so the side length of each side is 20!

Hope I was of assistance! #SpreadTheLove <3

4 0

3 years ago

The points (1,7) and (0,5) fall on a particular line. What is its equation in slope-intercept

choli [55]

Answer:

y = 2x + 5

Step-by-step explanation:

First find the slope:

5-7/0-1 --> -2/-1 --> (2)

Now use the point-slope form to find the slope-intercept form:

y-7 = 2 ( x - 1)

y - 7 = 2x - 2 add seven to both sides...

y = 2x + 5

3 0

3 years ago

Plz help with this question and explain

alekssr [168]

I see two lines. The degree measure of any line is 180°.

4y + 5y = 180°

9y = 180°

y = 180°/9

y = 20

5 0

3 years ago

What is the sale price rounded to the nearest dollar?

valina [46]

Marked down 20% means it is selling for 80% of the original price ( 100% - 20% = 80%)

Multiply the original price by 80%

270 x 0.80 = $216.00

4 0

3 years ago