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Marat540 [252]
2 years ago
10

Pleaseee helppp meeeeee!

Mathematics
2 answers:
Hitman42 [59]2 years ago
8 0

Answer:

The answer is 100, I believe.

Anna007 [38]2 years ago
3 0
I think the answer is 100
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look for relationships. an elevator descends at a constant speed. what is the change in elevation after 19 seconds?
dem82 [27]

Answer:

decreases

Step-by-step explanation:

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3 years ago
I need to fine the height of a triangular pyramid and I already have the volume and Area
Keith_Richards [23]
I’m not sure, but i think that you have to take the volume equation, and plug in the other variables (volume, area) to find the height
6 0
2 years ago
Can someone help me find x.
Harman [31]

Answer:

Step-by-step explanation:

6x+9=63

6x=63-9

6x=54

x=54/6

x=9

I encourage you to figure out the justification yourself.

8 0
3 years ago
Venetta buys 2 pounds of pistachios and 3 pounds of almonds. The pistachios cost $4 more per pound than the almonds. She pays a
Alex

Answer: the answer is 2 and 5

Step-by-step explanation:

8 0
3 years ago
Select the correct answer from the drop down menu. with references to the figure, sin x =
Lubov Fominskaja [6]

Answer:

.894

Step-by-step explanation:

First thing to do is to solve for the height of the triangle, BD.  That's easy.  We have the length of the hypotenuse and the base, so Pythagorean's Theorem gives us that the height is 8.003255588 which rounds nicely to 8.  Now you have to call on the fond memories you have of the geometric mean in right triangles to solve the rest.  For the sin of x you need the hypotenuse of that smaller right triangle on the left, side AB.  First let's use geometric mean to find AD.  The formula for that, now that we know the height, is

BD^2=(AD)(DC)

Filling that in with numbers we have

8^2=(AD)16 and

64 = 16(AD).  Solve for AD to get that AD has a length of 4.  Now we know two of the three sides in that smaller triangle on the left and can solve for the hypotenuse.

8^2+4^2=c^2 and

64+16=c^2 so

c=√80 which simplifies to 4√5.  That means that the sin ratio for x is

\frac{8}{4\sqrt{5} }

which divides out to .894

6 0
3 years ago
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