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Mandarinka [93]
3 years ago
7

-3x^2-5x+9=0 what is the value for a,b,and c

Mathematics
1 answer:
Tju [1.3M]3 years ago
3 0

Answer:

a = -3  b = -5  c = 9

Step-by-step explanation:

A quadratic function is written in the form

ax^2 +bx +c =0

-3x^2-5x+9=0

a = -3  b = -5  c = 9

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Help Me Please! I will answer some of your questions :)
vladimir1956 [14]
#6 is c


Then on the sheet with 6 questions on it it's

1. a
2. b
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4 0
3 years ago
The volume of cube A is 216 cubic inches. The length of each edge in cube B is 2 inches longer than the length of each edge in c
lord [1]

Answer: 296 cubic in.

Step-by-step explanation: Since we are talking about cubes, and you know the volume of a cube is lwh, we know l, w and h are all equal, meaning be can cube root the volume to find all side lengths. The cube root of 216 is 6, so if each side in cube B is 2 longer, then the lwh for B is 8*8*8, or 512. 512-216=296.

6 0
4 years ago
Kate made a box to hold her jewelry collection. She used 42 inches of wood to build the sides of the box. If the box was 9 Inche
Vladimir [108]
Assuming that the sides of the box are square (having 90° angles on all four corners), then it should be relatively easy for us to find the length of the box, given the perimeter and the length of one side.
We know the length of all sides combined is 42 inches, and that the length of one side is 9 inches. With a rectangular prism, the length of one side is the same as the length of the opposite side, so there are two sides that measure 9 inches.
All we need to do to find the measure of both the other sides' lengths is subtract the known lengths from the total length.

9 + 9 = 18

42 - 18 = 24

So the rest of the side lengths added together is 24 inches.
There are two sides left, so all we have to do is divide by 2 to find the length of the box.

24 / 2 = 12

The length of Kate's jewelry box is 12 inches.
Hope that helped =)
3 0
3 years ago
What’s the length of AG?
Ivenika [448]
Answer:

Explanation:
10^2 + 5^2 = c^2
100 + 25 = 125^2
sqrt of 125^2 = 11.2 (rounded-off)
4 0
3 years ago
The cone has a radius of 6m and a height of 9cm what's the volume ?
Arlecino [84]

Answer:

339.4cm³

Step-by-step explanation:

V

=

π

r

2

h

3

22/7×6²×9/3= 339.42

7 0
3 years ago
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