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2 years ago

6

Linear Equations, Write an equation to represent the plan and describe each variable or number in your equation represent in the

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1 answer:

IrinaVladis [17]2 years ago

8 0

Answer:

Step-by-step explanation:

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PLLLLSSS HELP ME ASAP!

erastovalidia [21]

The answer to the first one is ' D '.
(All the angles inside a triangle have to add up to exactly 180 degrees.)

The answer to the second one is ' C ' .
(If two sides are equal, then the sides opposite them are also equal.)

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2 years ago

Please help. What is the value of the expression when a = 3 and b = 2? 3a^3 + 2b^3

algol [13]

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5 1/2 <br> -<br> 3 3/4<br> ______

eimsori [14]

So first you want to convert both to have the same denominator.

5 1/2 - 3 3/4

To:

5 2/4 - 3 3/4

Now, to make it easier for me, I would convert both to an improper fraction.

5 2/4 -> 22/4

3 3/4 -> 15/4

So now you can just do,

22/4 - 15/4,

which is just 7/4.

This in mixed number form is 1 3/4.

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2 years ago

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A can of tuna fish is a cylinder with a height of 1.75 inches and a diameter of 3 inches. If the can is half full, how many cubi

zlopas [31]

Answer: $6.185in^3$

Step-by-step explanation:

The formula for calculate the volume of a cylinder is:

$V_{cylinder}=\pi r^2h$

r is the radius of the cylinder and h is the height of the cylinder.

Given the diameter of 3 inches, calculate the radius of the cylinder with:

$r=\frac{d}{2}$ (Where d is the diameter)

$r=\frac{3in}{2}=1.5in$

Knowing the height and the radius, you can calculate the volume of the entire can of tuna:

$V_{can}=\pi (1.5)^2(1.75in)=12.37in^3$

As you want to know the cubic inches of tuna that are in the can (volume of tuna), and you know that the can is half full, then:

$V_{tuna}=\frac{V_{can}}{2}\\\\V_{tuna}=\frac{12.37in^3}{2}\\\\V_{tuna}=6.185in^3$

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2 years ago

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siniylev [52]

I think it’s 5 I’m not really for sure

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3 years ago

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