3 years ago

I really suck at math. please help =)

Mathematics

1 answer:

FrozenT [24]3 years ago

6 0

Check the picture below.

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Factor of <br> −21x^2+2x+8

Vanyuwa [196]

Answer:

-(7x + 4)(3x - 2)

Step-by-step explanation:

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3 years ago

Divide use partial quotients 28 divided by 514

ella [17]

28÷514=0.
514÷28=18.
Partial Quotients

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3 years ago

If 5x+6=10 what is the value of 10x+3

larisa [96]

The exact value is 11

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3 years ago

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Angela decides to recycle a large oatmeal container by using it to hold a friends birthday gift. Then she wraps the container in

Deffense [45]

Answer:

D. 135.37 in²

Step-by-step explanation:

We have that the gift paper consists of two circles and a square.

Thus, we will need to find the area of the circles and the square.

Now, as the diameter of the circle = 4 inches

So, the radius of the circle = $\frac{4}{2}$ = 2 inches

Since, the area of a circle = $\pi r^{2}$

This implies that area of the two circles = $2\times \pi r^{2}$

i.e. Area of the circles = $2\times \pi 2^{2}$

i.e. Area of the circles = $8\pi$

i.e. Area of the two circles = 25.133 in²

Further, one side of the square = 10.5 inches

Thus, the area of the square = $side^{2}$

i.e. Area of the square = $10.5^{2}$

i.e. Area of the square = 110.25 in²

So, the overall area of the gift paper = 25.133 + 110.25 = 135.37 in².

Hence, the amount of paper used by Angela is 135.37 in².

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3 years ago

A grain of sand has a diameter of 0.049 millimeters. Write 0.049 in words.

Sunny_sXe [5.5K]

Forty-nine thousandths

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3 years ago

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