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ivolga24 [154]
3 years ago
6

the area of the triangle formed by points of intersection of parabola y=a(x-3)(x+2) with the coordinate axes is 10. find a if it

is known that parabola opens upward
Mathematics
1 answer:
Goshia [24]3 years ago
6 0

Answer

1/4 × 6 × (5a) = 12

15a=12

a= 4/5

Step-by-step explanation:

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Is this vertex a maximum or a minimum of this graph?
Gelneren [198K]

The vertex of this graph is the maximum

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3 years ago
Read 2 more answers
-6x-14y=16 and -2x+7y=17 solve by elimination show the work
professor190 [17]

Answer:

(- 5, 1 )

Step-by-step explanation:

- 6x - 14y = 16 → (1)

- 2x + 7y = 17 → (2)

Multiplying (2) by - 3 and adding to (1) will eliminate the x- term

6x - 21y = - 51 → (3)

Add (1) and (3) term by term to eliminate x

0 - 35y = - 35

- 35y = - 35 ( divide both sides by - 35 )

y = 1

Substitute y = 1 into either of the 2 equations and solve for x

Substituting into (1)

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- 6x - 14 = 16 ( add 14 to both sides )

- 6x = 30 ( divide both sides by - 6 )

x = - 5

solution is (- 5, 1 )

6 0
2 years ago
Brianna babysits on the weekend. She charges $7 per hour. Last weekend she made $63. How many hours did she babysit?
Verizon [17]

Answer:

7h=63 so a because she charges $7 per hour and earned a total of $63

7 0
3 years ago
The article "Snow Cover and Temperature Relationships in North America and Eurasia"† used statistical techniques to relate the a
poizon [28]

Answer:

Step-by-step explanation:

From the given information,

The ten observation data on october  snow cover for Eurasia  during the years is 6.5, 12.0, 14.9, 10.0, 10.7, 7.9, 21.9, 12.5, 14.5, 9.2

What would you report as a representative, or typical, value of October snow cover for this period, and what prompted your choice?

For the given data, 21.9 is an outlier, so trimmed mean would be good choice for the researcher,

Remove the smallest and the largest values to compute the trimmed mean

\bar x = \frac{12.0+14.9+10.0+10.7+7.9+12.5+14.5+9.2}{8} \\\\=\frac{91.7}{8} \\\\=11.465

6 0
3 years ago
Solve the system of linear equations by substitution.
Bezzdna [24]
For this you need to solve by elmination
3 0
3 years ago
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