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spin [16.1K]
3 years ago
9

Can someone personally help me with geometry and area? Please I have more questions like that

Mathematics
2 answers:
olganol [36]3 years ago
3 0

Answer:

272

Step-by-step explanation:

<h3>Finding the area on this problem has only a couple steps. First I divided the picture into two parts a rectangle and a triangle. I first found the area of the rectangle. The formula to finding a rectangle is base times height. In this case the base has a length of 19 in and has a height of 8 in. So the area of the rectangle would be 19*8= 152. Now we find the area of the triangle. To find the area of a triangle you use the formula base*height*1/2. In this case you do 20 * 12 * 1/2 = 120. Now for the last step add the areas together in this case 152+120=272. If you need help with finding the lengths reach out to me.</h3><h3>p.s. I’m not actually 61</h3>

pogonyaev3 years ago
3 0

Answer:

The area of the shaded region is 272 in²

Step-by-step explanation:

Since it is an odd shape, the real height(20 inches according to the picture) will help us alot. But first you'll want to split the shapes. and find the areas seperately in a way. I see a rectangle on the top and triangle on the bottom. Lets find the area of the rectangle first.

To find the area, you have to multiply length and width.

A = L x W

19 x 8 = 152(the area)

So now we know the area of the rectangle, but what about the triangle? Since there is no exact base measurement for the triangle, we will add the length of the rectangle(19) and the 1 inch.

19 + 1 = 20

So the base for the triangle is 20.

To find the height of the triangle, subtract 8(the rectangle's width) from the overall height(20 inches).

20 - 8 = 12

A = h_{b}b ÷ 2

A= 120(area)

That is not the overall area yet, we have to add the two areas now.

152 + 120 = 272

That is how you find the area for this, let me know if you need anymore help.

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11+8q=3q-19 I need help please idk the answer
iren2701 [21]

Answer:

-6

Step-by-step explanation:

1) combine all like terms

(bring 3q to the left and 11 to the right so you can combine the like terms)

(doing that will make 3q negative and 11 negative since your moving them so their sign changes as well)

8q-3q=-19-11

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Hope this helps

4 0
3 years ago
Determine the volume of the figure. Use 3.14 for π. Round your answer to the nearest tenth. Show all of your work.
Ostrovityanka [42]

Answer:

1985 cubic units (written as un. with the cubed exponent)

Step-by-step explanation:

First, you find the volume of the cylinder

Here's the formula:

V=\pi r^{2}h\\V=volume\\r=radius\\h=height

Now, you plug in and solve.

V=(3.14)(7.2^{2})(7.4)\\V=(3.14)(51.84)(7.4)\\V=(162.7776)(7.4)\\V=1204.55424\\rounded:\\V=1204.6

Then, you find the volume of the dome.

Here's the formula:

volume/of/a/sphere=\frac{4}{3}\pi r^{3}\\volume/of/a/dome:\\V=\frac{2}{3}\pi r^{3} \\V=volume\\r=radius

Now, you just plug in and solve.

V=(\frac{2}{3})(\pi)(r^{3})\\V=(\frac{2}{3})(3.14)(7.2^{3})\\V=(\frac{2}{3})(3.14)(373.248)\\V=(2.093)(373.248)\\V=781.208064\\rounded:\\V=781.2

Finally, you add them together, and there's your answer!

1204.6+781.2=1985.8

Hope this helped!

<em>brainliest?</em>

8 0
3 years ago
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Root: A/2 is the equation 
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4 years ago
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4 0
3 years ago
Read 2 more answers
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disa [49]

Answer:

b is wrong it is c

 hope it helped

Step-by-step explanation:

5 0
3 years ago
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