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svlad2 [7]
3 years ago
6

What are the solutions of the equation? y=-7(x-3)(x+4)

Mathematics
1 answer:
Shkiper50 [21]3 years ago
3 0

Answer:

{-4, 3}

Step-by-step explanation:

To find "solutions," you must set this function equal to zero:

y = -7(x - 3)(x + 4) = 0

and then set each factor equal to 0 separately and solve each resulting equation for x:

x - 3 = 0 yields x = 3, and

x + 4 = 0 yields x = -4

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What property is demonstrated by 6 + -6 = 0?
Marianna [84]

Community property of addition because -6 + 6 would equal zero

3 0
3 years ago
A trampoline has an area of 49pi square feet what's the diameter of the trampoline
Anna007 [38]
Area of a circle is π*r²
sub what we're given 
49π= πr²
49π= π*r²
r²= 49π/π
r²=49
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The diameter is twice the radius therefore the diameter is 14 units
7 0
3 years ago
A football team gains 11 yards on a pass, loses 8 yards in a sack,
OLEGan [10]

Answer:

Step-by-step explanation:

loose (8+5) yards so they lost 13 yards

and obviously they gained 11 yards according to the information given.

5 0
2 years ago
PLEASE HELP!! I will mark the brainliest if you can explain your answer!! I think it’s either b or c..... but I’m not sure!!! Pl
BARSIC [14]

Answer:

A(x) = 6.2 - 0.005x

Step-by-step explanation:

If you think about it, either 0.5/0.005 needs to be equal to 0.5%

0.5 is the same as 1/2 and therefore it is the same as 50%

So it must be 0.005!

Tip: I always just divide by 100 to get the decimal, it is a nice, easy and quick method

3 0
3 years ago
What are the powers of 4 through 1000
Ahat [919]

Answer:

{4^0, 4^1, 4^2, 4^3, 4^4}, or, with a bit of rounding off,

{4^0, 4^1, 4^2, 4^3, 4^4, 4^5} = {1, 4, 16, 64, 256, 1024}

Step-by-step explanation:

I wanted to determine the largest power of 4 that does not exceed 1000.  Here's what I did:  

4^x = 1000.  Taking the ln of both sides, we get x ln 4 = ln 1000.

                               6.9078

Solving for x:  x = --------------- = 4.98

                                1.3863

Thus, the answer to this question is {4^0, 4^1, 4^2, 4^3, 4^4}.  If you're willing to talk in terms of approximations, then there'd be one more power of 4 in this set:  4^5.  Note that 4^5 = 1024, whidh is just a bit over 1000.

7 0
3 years ago
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