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mr Goodwill [35]
3 years ago
9

PLZ HELP!!

Mathematics
1 answer:
777dan777 [17]3 years ago
7 0

Answer:

c(10)=40

c(15)=52.5

Step-by-step explanation:

c(10) means you plug 10 into your x same with (c15) you plug in 15 so for c(10) it would be 2.5(10) + 15 which is 40

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Solve using quadratic formula pls show work​
Temka [501]

Answer:

x=\frac{3}{8},\:x=0

Step-by-step explanation:

x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{\left(-3\right)^2-4\cdot \:8\cdot \:0}}{2\cdot \:8}

\sqrt{\left(-3\right)^2-4\cdot \:8\cdot \:0}

=\sqrt{3^2-4\cdot \:8\cdot \:0}

\sqrt{3^2}

3

x_{1,\:2}=\frac{-\left(-3\right)\pm \:3}{2\cdot \:8}

Separate the solutions:

x_1=\frac{-\left(-3\right)+3}{2\cdot \:8},\:x_2=\frac{-\left(-3\right)-3}{2\cdot \:8}

x=\frac{3}{8},\:x=0

4 0
2 years ago
A cylindrical basket has a volume of 15 cubic feet. If the height of the basket is 1.5 feet, what is the area of the base of the
skelet666 [1.2K]

Answer:

10 feet square

4 0
3 years ago
Plane ABC and plane BCE______be the same plane. A.May B.Must C.Cannot
Nuetrik [128]

Answer:

So, Plane ABC and plane BCE _may_ be the same plane.

Step-by-step explanation:

This happens when E is on Plane ABC (or you could say, A is on Plane BCE).  If not, then they are two different planes.

6 0
3 years ago
Solve (x + 9)2 = 25.
Rina8888 [55]

Answer:

x = -4 and x = -14

Step-by-step explanation:

Our equation is (x + 9)² = 25

Applying the square root property we would need to take the square root of both sides: \sqrt{(x+9)^{2} } =\sqrt{25}

This give us x + 9 = ±5

Here we have two equations since taking the square root gives us a positive and negative value

Our first equation is x + 9 = 5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -4

Our second equation is x + 9 = -5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -14

3 0
3 years ago
What is the image point of (9,5)(9,5) after a translation right 4 units and up 4 units?
skelet666 [1.2K]

Answer:

(13,9) I think

Step-by-step explanation:

I hope this helps and I hope I can get Brainliest! =)

8 0
3 years ago
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