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2 years ago

Akira turns in a written lab report to his science teacher.

2 answers:

8 0

His science teacher says “Thank you I will grade it after school” when it’s after school the teacher checks it and Akita gets an A because she is smart and Brainly helped her :)

krek1111 [17]2 years ago

4 0

Answer:

communicating results

Step-by-step explanation:

hope this helps

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The map below shows the location of 3 houses where you had to do lawn work today. Your truck gets 8 miles per gallon of gasoline

Brums [2.3K]

<u>Answer:</u>

$3.80

<u>Step-by-step explanation:</u>

We are given a graph showing the location of 3 houses where you had to do lawn work today, with the distances from your house.

Given that one truck gets 8 miles per gallon of gasoline and gas costs $1.52 per gallon, we are to find the total cost of the gas used.

Total distance = 7 + 3 + 4 + 6 = 20 miles

Gallons of gas used = 20 / 8 = 2.5

Total cost of gas used = 2.5 * 1.52 = $3.80

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2 years ago

What is the quotient of 1/4 divided by 3/5

Softa [21]

Answer:

i dont know

Step-by-step explanation:

5 0

2 years ago

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Wat is equal to 7.5x4 what is equal to 7.5 * 4

IrinaK [193]

Hello!

7.5 * 4 is equal to 30

7 * 4 = 28

.5 * 4 = 2

28 + 2 = 30

I hope this helps, and have a nice day!

7 0

2 years ago

What is the quotient and remainder of 26 divided by4

Sphinxa [80]

Answer:

6 with a remainder of 2

Step-by-step explanation:

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2 years ago

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Look at the image. (calculus)

mash [69]

<h3>Answer: Choice H) 2</h3>

=============================================

Explanation:

Recall that the pythagorean trig identity is $\sin^2 x + \cos^2x = 1$

If we were to isolate sine, then,

$\sin^2 x + \cos^2x = 1\\\\\sin^2 x = 1-\cos^2x\\\\\sin x = \sqrt{1-\cos^2x}\\\\$

We don't have to worry about the plus minus because sine is positive when 0 < x < pi/2.

Through similar calculations, $\cos x = \sqrt{1-\sin^2x}\\\\$

Cosine is also positive in this quadrant.

-------------

So,

$\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}\\\\\frac{\sin x}{\sin x}+\frac{\cos x}{\cos x}\\\\1+1\\\\2$

Therefore,

$\frac{\sqrt{1-\cos^2x}}{\sin x}+\frac{\sqrt{1-\sin^2x}}{\cos x}=2$

is an identity as long as 0 < x < pi/2

5 0

1 year ago

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