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Mama L [17]
3 years ago
15

Please Help me! 20 points

Mathematics
1 answer:
malfutka [58]3 years ago
6 0

Answer:

-9/4 ÷ (-2/3)

Step-by-step explanation:

-(2 1/4) ➡ -9/4

-2/3 ➡ (again a reciprocal needed) -3/2 since we need the result to be positive both expression should remain negative so the answer is -9/4 ÷ -2/3

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Find the volume of the composite figure below:<br> 5 in<br> 8 in<br> 6 in<br> 10 in
inysia [295]

Answer:

716in³

Step-by-step explanation:

The first step is to split the full prism into two, separate prisms. That means, we now have to find the volume of the half-a-cylinder, and the other base prism.

For the volume of the half-cylinder, we use the formula πr²h. That means, we do π·5·5·6, which is equal to around 471.24 cubic inches. However, we need to find the volume of half that cylinder, so we divide that answer by two. That should be about <u><em>235.62 cubic inches.</em></u>

For the volume of the other prism, we simply have to do length <em>times</em> height <em>times </em>width, or 6·8·10. That is equal to <em><u>480 cubic inches</u></em>, which is the volume of that prism.

To find the volume of the whole composite figure, you simple have to add the two underlined volumes above.

235.62+480= 715.62in³, or about <em><u>716in</u></em><em>³.</em>

<u><em>Hope this helps.</em></u>

8 0
3 years ago
Can the sine rule relationship in trigonometry be used with non right angled triangle
Reika [66]

Answer:

Below

Step-by-step explanation:

You can use it if you added a hight.

When you a hight you are creating a right triangle. If not you cannot use directly

7 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
MAXImum [283]

The last option is the answer. You can double check by substituting the -3 for the x values and the 17 for y values and the statements would be true.

4 0
3 years ago
Nikolas and Angela were trying to solve the equation:
mario62 [17]
  • Answer:

<em>zero product property (Angela)</em>

  • Step-by-step explanation:

<em>Hi there ! </em>

<em> (Angela)</em>

<em>3x² + 10x = 0</em>

<em>x(3x + 10) = 0</em>

<em>x = 0 => x₁ = 0</em>

<em>3x + 10 = 0 => 3x = - 10 => x₂ = - 10/3 = - 3  1/3</em>

<em>Good luck !</em>

7 0
3 years ago
Which would be the most suitable viewing window to solve the system below?
Fed [463]

Answer:

d

Step-by-step explanation:

7 0
3 years ago
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