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kondor19780726 [428]
3 years ago
14

Could someone walk me through this problem please?

Mathematics
1 answer:
Mrrafil [7]3 years ago
5 0

yeah me too can someone help us?hope someone helps :)

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Help please fast the format is Y-____=_____(x - ____) and i need the actual answer
mojhsa [17]

9514 1404 393

Answer:

  • y -195 = 15(x -9)
  • $60

Step-by-step explanation:

The form of the equation you are given is called "point-slope" form. The "slope" in this case is the per-hour fee. The point is (9 h, $195). Point-slope form generally looks like this:

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

Here, you have m=15, (h, k) = (9, 195), so the equation looks like ...

  y -195 = 15(x -9)

__

The "one-time fee" is the cost when hours are zero.

  y -195 = 15(0 -9)

  y = 195 -9(15) = 60 . . . . add 195 to both sides, and evaluate

The one-time fee is $60.

5 0
2 years ago
Solve it please<br><br> 72:8
amm1812
9:1 because you divide both sides by 8. Hope this helps :)
3 0
3 years ago
If L
BabaBlast [244]
Pythagorean's theorem says the hypotenuse of a triangle is A^2+B^2=C^2 in this case I'll put the L,W, and D so it's easy to understand. L^2+W^2=D^2 is the exact same formula as above and is how we will solve this. (30^2)+(10^2)=1000 then we take the square root since 1000=D^2, and we get 36.62 as D.
3 0
3 years ago
45 children attend preschool the number of two-year-olds is 1/2 the number of three-year-olds the number for your old is the sam
Mkey [24]
There are 9 two-year-olds and 18 each of 3 and 4 year olds.

To solve this we could write and solve the equation below, letting x be the number of 3 and 4 year olds.

x/2 + x + x = 45
x + 2x + 2x = 90
5x = 90
x = 18

From here, we just divide 18 by 2 to get the number of 2 year olds.
6 0
3 years ago
Find the axis of symmetry for y=3x^2 +5x-7
slamgirl [31]
A = the number before x^2 = 3
b = the number before x = 5
To find the axis of symmetry: -b/2a
x = -5/6

5 0
3 years ago
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