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Alexandra [31]
3 years ago
14

Factor completely please

Mathematics
2 answers:
nasty-shy [4]3 years ago
8 0

Answer:

it the third one

gladu [14]3 years ago
5 0

Answer:

(c-5)(3+4c)

Step-by-step explanation:

3c-15+4c^2-20c

4c^2-17c-15

Berry Method

4*(-15)=-60

What two numbers multiply by each other to get -60 but add up to -17

-20 and 3

\frac{(4c+3)(4c-20)}{4}

(4c+3)(c-5)

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Pweeez help me :3
iVinArrow [24]

Answer:

The vertex, (1.5, 40), tells us that it takes 1.5 seconds for the ball to reach its maximum height of 40 feet.

Step-by-step explanation:

...i think..

7 0
3 years ago
Please solve this question..​
shutvik [7]

Answer:

vertex = (- 1, - 4.5 )

Step-by-step explanation:

Given

f(x) = \frac{1}{2} (x - 2)(x + 4)

The vertex lies on the axis of symmetry which is positioned at the midpoint of the zeros.

To find the zeros let f(x) = 0, that is

\frac{1}{2} (x - 2)(x + 4) = 0

Equate each factor to zero and solve for x

x - 2 = 0 ⇒ x = 2

x + 4 = 0 ⇒ x = - 4

The x- coordinate of the vertex is therefore

x = \frac{-4+2}{2} = \frac{-2}{2} = - 1

Substitute x = - 1 into f(x) for corresponding y- coordinate

f(- 1) = \frac{1}{2} (- 1 - 2)(- 1 + 4) = \frac{1}{2} × - 3 × 3 = 0.5 × - 9 = - 4.5

Coordinates of vertex = (- 1, - 4.5 )

6 0
3 years ago
B/13-3b/13=8/13 help please
OLEGan [10]
\frac{b}{13} - \frac{3b}{13} = \frac{8}{13}
Since the two fractions have a common denominator already, we can just subtract the numerators.
b-3b=-2b or -3b+b=-2b
Either way you get the same answer :)
Our new fraction is \frac{-2b}{13}
Now we know that this must be equal to \frac{8}{13}
Again, since the denominators are already the same of course they are equal. 13=13
Now we have to set the numerators equal
-2b=8
Use inverse operations to get b alone
-2b=8
÷-2   ÷-2
b=-4
If you have any questions, feel free to ask. Hope this helped! :)

5 0
3 years ago
bill bought a large submarine sandwich and cut it into 8 equal pieces. He ate 1/4 of the sandwich. How can you write how much of
Arturiano [62]
1/4 would be * 2 since 4*2=8 so 1*2=2 so the answer is 2/8 in total
7 0
3 years ago
Read 2 more answers
Hi can you please help me and explain step by step if possible thank you
zaharov [31]

Answer:  see image

<u>Step-by-step explanation:</u>

Count how many spaces the vertex is away from the line x = -1.  Then place that vertex the same distance on the other side of the line x = -1.

3 0
3 years ago
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