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SashulF [63]
3 years ago
5

Review:

Mathematics
1 answer:
alex41 [277]3 years ago
7 0

Answer:

Step-by-step explanation:

Well 6 to the second power is when you multiply 6 x 6 = 36

And ab= -320

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Help me please thank you
harina [27]

I believe it would be 2 units to the right

and 4 units down

7 0
3 years ago
Solve x≤0 and x≥−4 and write the solution in interval notation. If there is no solution, type ∅.
xxTIMURxx [149]

The answer is (-∞.∞).

Draw out a number line. Plot 0 and -4 on the number line.

Shade to the left of x = 0, and have a filled in circle at the endpoint. This is the graph of x≤0

Then graph x ≥−4 by plotting a filled in circle at -4, and shading to the right.

Note how the two graphs overlap to cover the entire real number line

So if we have x≤0  or  x≥−4 then we're basically saying x is any real number. To write this in interval notation, we write (−∞,∞)

This is the interval from negative infinity to positive infinity (or just infinity). We exclude each endpoint because we can't actually reach infinity itself. Infinity is not a number. Infinity is a concept

Side note: if you change the "or" to "and", then the solution to x≤0  and  x≥−4 would be [-4, 0][−4,0] to indicate the interval from x = -4 to x = 0, including both endpoints. This is the region where the two graphs overlap.

To know more about graphs

visit-:brainly.com/question/10712002

SPJ9

5 0
2 years ago
In ΔLMN, the measure of ∠N=90°, the measure of ∠M=17°, and MN = 20 feet. Find the length of LM to the nearest tenth of a foot.
andrey2020 [161]
20.9 ft
This is a right triangle trigonometry question because N is 90 degrees. MN is adjacent to M and LM is the hypotenuse. Adjacent any hypotenuse use the cosine function. 
cos \theta = \frac{adj}{hyp}
plug in known values
cos(17) = \frac{20}{x}
switch cos(20) and x using the products property
x = \frac{20}{cos(17)}
plug into calculator to get 20.9 ft

3 0
3 years ago
Read 2 more answers
What is the x-value when y is 0?
aleksley [76]

Answer:

2

Step-by-step explanation:

2 bc 1 is 3 and your going down one so 0 is 2

8 0
2 years ago
75.50 is what percent of 78.25?
babunello [35]
75.50/78.25 = x/100

Using this proportion, finding x will find the percentage out of 100 that 75.50 is of 78.25

75.5*100=78.25x

x= 7550/78.25 = 96.486%

Or you could just do 75.5/78.25 to get the same answer.
4 0
3 years ago
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