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3 years ago

PLEASE HELP FAST !!

Mathematics

1 answer:

hoa [83]3 years ago

4 0

Answer:

in explanation

Step-by-step explanation:

The canary, the seagul, and the crow, All have both checkmarkes that shows that they Can fly AND they are birds (so B)

Bro this is easy you dont need Brainly for this just read it carefully and look at the graph.

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Which term contains a coefficient? m + 3n + p + 3

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Fifteen percent of the pigment in paint color A is black. Sixty percent of the pigment in paint color B is black. An unknown amo

Vitek1552 [10]

Answer: 0.15(40) + 0.6(x – 40) = 0.25(x)

Step-by-step explanation:

Hi, to answer this question we have to write an equation with the information given:

Fifteen percent of the pigment in paint color A is black

15% = 15/100 = 0.15 (decimal form)

0.15 A

Sixty percent of the pigment in paint color B is black

0.6 B

An unknown amount of paint color B is mixed with 40 ml of paint color A,

SO:

0.15 (0.40)

0.6 (x-0.40)

x = total amount of paint in the mixture of the two colors

The result is a paint that contains 25% (0.25 in decimal form)black pigment (x)

0.15(40) + 0.6(x – 40) = 0.25(x)

Feel free to ask for more if needed or if you did not understand something.

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3 years ago

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Hi, can you please do these? thanks for helping!

arlik [135]

Answer:

i will answer you other if u rate me brainliest

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A rhino can run at speeds of about 28 miles per hour. What is that speed in

swat32

Given:

A rhino runs at a speed of about 28 miles per hour.

We need to determine the speed in feet per second.

Converting miles to feet:

The miles can be converted to feet by multiplying 5280 with 28 miles per hour.

Thus, we have;

$28\times 5280=147840$

Thus, the speed of the rhino in feet per hour is 147840

Converting hours to seconds:

The hours can be converted into seconds by dividing 147840 by 3600 (Because an hour has 60 seconds in a minute and 60 minutes in an hour)

Thus, we get;

$Speed=\frac{147840}{3600}$

$Speed = 41.066667$

Rounding off to the nearest whole number, we get;

$Speed =41$

Therefore, the speed of the rhino is 41 feet per second.

Hence, Option B is the correct answer.

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4 years ago