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Nitella [24]
3 years ago
5

1. Simplify the problem below -3x^-2​

Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0

Answer:

-3/x^2

Step-by-step explanation:

frozen [14]3 years ago
4 0

Answer: -3/x^2

Step-by-step explanation:

Hope this helps

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How do i solve 42 = -2d + 6
Mazyrski [523]
Substract 6 to both sides and you get 36 =-2d then you use the multiplicative inverse and d=-18.
8 0
3 years ago
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Given the triangle that has a base of five less than triple the height. The height is 2x+6.
Deffense [45]

Answer:

<h3>          A = 0.5(2x+6)(6x+13) = 6x² + 49x + 78</h3>

Step-by-step explanation:

H = 2x+6          - the hight

3H = 3(2x+6)      - triple the hight

3H-5 = 3(2x+6) - 5    -  five less than triple the height

Area of triangle:  A = 0.5BH

B = 3(2x+6)-5 = 6x + 18 - 5 = 6x + 13

H = 2x+6

So:

    A = 0.5(2x+6)(6x+13) = (x+6)(6x+13) = 6x² + 13x + 36x + 78

    A = 6x² + 49x + 78

5 0
3 years ago
Determine which functions have two real number zeros by calculating the discriminant, b2 - 4ac. Check all that
Nuetrik [128]
Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.
8 0
3 years ago
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I DESPERATELY NEED HELP PLZ ANSWER THESE QUESTIONS I AM TIMED AND DON"T HAVE MUCH TIME LEFT
Marina CMI [18]

Answer:

Ok I will help you answer the first one the rest yourself?

Step-by-step explanation:

So the question is

6(r-s+t)

we have to time each number by 6

6r-6s+6t

That's how we can simply so the answer is 6r-6s+t

Same thing goes with the others

Hope it helps 0w0

5 0
2 years ago
Leah practices dance for 2 hours each week. Her younger sister Sonia practices dance for 0.8 the amount of time Leah practices.
galben [10]
Sonia practices for 96 mins (1 hour 36mins ) 0.8 = 80%
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3 years ago
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