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Nady [450]
3 years ago
14

Which is the value of this expression when j= -2 and k= -1?

Mathematics
1 answer:
UNO [17]3 years ago
3 0

Answer:

-64

Step-by-step explanation:

I just simplify the like terms to make it easier visually. After that, I plugged in j and k and solve for the answer which is -64.

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Find a irrational number between 5.2 and 5.3 .. Explain why its irrational. Include the decimal approximation of thr nearest hun
mihalych1998 [28]

\sqrt{28}
It is in between
\sqrt{25}
And
\sqrt{36}
There for it is in between 5 and 6
Additionally, it is closer to root 25, meaning that it is closer to 5

Rounded to the nearest hundredth is

5.29
4 0
3 years ago
I need help knowing how to do the problem
Vlad1618 [11]
Volume of a cone = pi * r² * (h/3)

If your diameter is 2, then take half of that for the radius; your radius is 1

Now plug in your given info:

V = pi * (1)² * (7/3)
= pi * 1 * (7/3)
= 7pi / 3

V ≈ 7.3304

Your answer is option D. 
8 0
3 years ago
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adoni [48]

im not sure if it is right but i got 920 cm2. is that one of ur answers?

3 0
3 years ago
Read 2 more answers
The width of a rectangle is 20 units.Can the perimeter be 64 units when it’s length x is 11
11Alexandr11 [23.1K]

The formula for perimeter is 2L +2W

Replace w with 20 and L with 11:

2(11) + 2(20) = 22 + 40 = 62

This does not equal 64, so the perimeter cannot be 64 with 20 and 11 being the dimensions.

7 0
3 years ago
Select the correct answer from each drop-down menu. the equation from the graphed line in slope-point form using the point 2,-1
Arada [10]
The formula for point-slope form is y-a=m(x-c), where y and x are variables, a is simply one point in y, m is the slope, and c is simply one point in x. The first thing we can find is m, or the slope. This is found by dividing the change in y over the change in x. The equation for this is (I’ll plug the points in the equation)
\frac{y_{2}-y_{1}}{x_{2}-x_{1}} = \frac{y_{1}-y_{2}}{x_{1}-x_{2}} =  \frac{-1-(-2)}{2-(-2)}=  \frac{-1+2}{2+2} =1/4

Therefore, our answer is the bottom one as our slope is 1/4.

Feel free to ask further questions!
5 0
3 years ago
Read 2 more answers
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