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Nezavi [6.7K]
3 years ago
13

Write an equation of the parabola in vertex form that passes through (-7, -15) and has vertex (-5, 9)

Mathematics
1 answer:
iren2701 [21]3 years ago
7 0
The equation for the parabola would be: y=-6(x+5)^2+9
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A music streaming service conducted a survey asking subscribers where they most often listen to music. Of the 2,500 responses, 1
UkoKoshka [18]

Answer:

The approximate sample proportion is 0.59, which means that 41% of the subscribers surveyed most often listen to music somewhere other than in a vehicle.

Step-by-step explanation:

i got this from edmentum lol

4 0
2 years ago
A container in the shape of a rectangular prism holds 297 1/4 cubic inches of dirt. Its base has an area of 20 1/2 square inches
zubka84 [21]

Answer:

 

5,940 1/8 inches

Step-by-step explanation:

 

5,940 1/8 inches

3 0
3 years ago
Write an equation of a line in point slope form that has a slope of -3 and passes through the point (3, -4).
Nesterboy [21]

1) Point-slope form

(y-y1)=m(x-x1)

m= - 3,

point (3,-4), so x1 = 3, y1 = - 4.

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

2)Point-slope form

(y-y1)=m(x-x1)

m= - 3/4,

point (4,5), so x1 = 4, y1 = 5.

(y-5)= - 3/4(x-4)

6 0
3 years ago
The speed of the current is 7 mph. The boat travels three times slower against the current than with the current. What is the sp
svlad2 [7]
Let
x--------> <span>the speed of the boat in mph

we know that
</span>going upstream the speed is x-7 
<span>going downstream the speed is x+7 
</span>
let the distance be d 
<span>time to go upstream = d/(x-7) </span>
<span>time to go downstream = d/(x+7)
</span>
time going upstream is 3 times going downstream 
so
<span>3d/(x+7) = d/(x-7) </span>
<span>divide by d </span>
<span>3/(x+7) = 1/(x-7) </span>
<span>3x-21 = x+7 </span>
<span>2x = 28 </span>
<span>x = 14 
</span>
the answer is
<span>the speed of the boat in still water is 14 mph</span>
7 0
3 years ago
What expression is equivalent to 1/3(4-5x-1)?
Serhud [2]
1/3( 4 - 5x - 1)


= (1/3)(4 +  - 5x +   - 1)

= (1/3)( 4)  + (1/3)(- 5x)  + (1/3)( - 1)

= 4/3 +  - 5x/3 +  - 1/3

=   - 5x/3  + 1  (Decimal:   - 1.666667x + 1)





Hope that helps!!!!
3 0
2 years ago
Read 2 more answers
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