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d1i1m1o1n [39]
2 years ago
9

Pleaseeeee help (15 points) ​

Mathematics
1 answer:
Elina [12.6K]2 years ago
5 0

Answer:

Step-by-step explanation:

what are the vocabulary words that u are supposed to use?

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HELP ME H PLZZZZZ??????
Karo-lina-s [1.5K]

Answer:

Hello :)

Step-by-step explanation:

1. a

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8 0
2 years ago
Read 2 more answers
The  area of triangle formed by points of intersection of parabola y=a(x+5)(x−1) with the coordinate axes is 12. Find a if it is
Pie

We know that the points at which the parabola intersects the x axis are

(-5,0) and (1,0)

So the extent between these two points would be the base of the triangle

lets find the length of the base using the distance formula

\sqrt{[(-5-1)^{2}+(0-0)^{2} ]}

the base b=6

We will get the height of the triangle when we put x=0 in the equation

y=a(0+5)(0-1)

y=-5a

so height = -5a (we take +5a since it is the height)

We know that the area of the triangle =

\frac{1}{2} × 6 × (5a) = 12

15a=12

a= \frac{4}{5}


7 0
3 years ago
What is the intermediate step in the form (x+a)2 = b as a result of completing the square for the following x^2+16x-145=10x-7
Lorico [155]

Answer:

(x+3)^2=147

Step-by-step explanation:

7 0
2 years ago
Mike makes a commission of 10% on each TV set sold at store. Each TV costs $120. How much
GrogVix [38]

Answer:

$300

Step-by-step explanation:

10% = .1 and each TV costs 120 so .1*120=12 then you take 12*25 since 12 is the money he makes for seeling the tv multiplied by the total TV's sold and you get 300 so Mike makes $300

5 0
3 years ago
If minor arc AB measures 9pi, what is the length of the radius of circle C? If necessary, round your answer to the nearest inch.
Y_Kistochka [10]

Answer: 12 inches

Step-by-step explanation:

took the test

8 0
2 years ago
Read 2 more answers
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