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denis23 [38]
3 years ago
6

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
8 0

P-Q should be -11a^2+4b^2+ab

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Determine the area of the composite figure to the nearest whole number.
Arada [10]
So this is a two step process, first you must find the area of the rectangle, then find the area of the semicircle.

So to find the area of a rectangle, you use: Length*Height=Area
In this case that would be: 7*2=14cm

Next you find the area of the semicircle, to do this you first find the area of the circle (Pi*r^2) then divide it by 2.

The diameter of the circle is 4 because: 7-2-1=4cm
Next divide that by 2 so that you get the radius: 4/2=2cm
Not you can plug that into the equation to get the area of the circle: Pi*2^2<span>≈13cm^2
Next divide it by 2 so that you get the area of the semicircle:13/2</span><span><span>≈</span>6cm^2

At this point you can add the area of the semicircle to the area of the rectangle: 14+6=20cm^2

So your final answer is 20cm^2!
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5 0
3 years ago
Write the following as a mixed number. ( use the / symbol in your answer).<br> 3.7777777...
Arlecino [84]

Answer: 3/7

Step-by-step explanation:

7 0
3 years ago
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What is 1 million times 4358
adelina 88 [10]

Answer:

What is 1 million times 4358

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You add 6 zeros on the end since million has 6 zeroes.

6 0
3 years ago
Need help on this one
ivolga24 [154]
If a triangle has side lengths 5, 5, and 8, then the triangle should be classified as isosceles.

This is because an isosceles triangle has two sides of the same length and one side of a different length. This isn’t an equilateral triangle (where all sides are of equal length) or a scalene triangle (where all sides are of different lengths).

Hope this helps!
8 0
3 years ago
What is greater or less than
PIT_PIT [208]

Answer:

0.87 > 0.17

3.97 < 6.63

8.04 < 8.9

  Is that what ur looking for?

Step-by-step explanation:

6 0
3 years ago
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