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tatyana61 [14]
3 years ago
9

Factor f(x)= 3x³+5x²-47x+15 into linear factors given that -5 is a zero of f(x)

Mathematics
1 answer:
AveGali [126]3 years ago
7 0
If  -5 is a zero then f(x) is divisible by (x + 5)

the quotient when F*x) is divided by x + 5  is  :-
3x^2 - 10x + 3
this factors to 
(3x  - 1)(x  -  3)

so the answer is (x + 5)(3x - 1)(x -  3)  
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If Madison had 10 apple and gave 3 away to Zack how many apples does she have
Ulleksa [173]

Answer:

7 i think because 10-3 =7

also 3+7 =10

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The area of a rectangle is 3 3/4 unit squares, and its length is 5 units. Find the width and the perimeter of this rectangle.
dlinn [17]

Answer:

Width = 3/4 units or 0.75 units

perimeter of the rectangle = 23/2 = 11 1/2 units or 11.5 units

Step-by-step explanation:

A rectangle has two opposite sides equal in length. The 2 opposite sides are also parallel to each other.

The area of a rectangle = LW

where

L = length

W = width

The area of the rectangle = 3 3/4 units² = 15/4 units²

Length = 5 units

Therefore,

15/4  =  5W

multiply both sides by 4

15 = 20W

divide both sides by 20

W = 15/20

W = 3/4

Width = 3/4

Perimeter of the rectangle = 2L + 2W

Perimeter of the rectangle = 2(L + W)

Perimeter of the rectangle = 2(5 + 3/4)

perimeter of the rectangle = 2(23/4)

perimeter of the rectangle = 23/2 = 11 1/2 units or 11.5 units

6 0
3 years ago
6x - 2y = 10<br> x - 2y = -5
vlada-n [284]

Answer:

(3,4)

I'm assuming this is how u wanted it to be solved if not give me more info on the problem and I'll redo it

Step-by-step explanation:

x= 3,y = 4

8 0
3 years ago
Given h(x) = 2x - 3 , solve for when h(x) = - 3 .
FrozenT [24]

Answer:

h(x)=-3;x=0

Step-by-step explanation:

When given h(x), you are in effect, being given the output of the function.

So, placing h(x)=-3 in place for h(x)

We get

-3=2x-3

Where -3+3=2x

0=2x

x=0

So, x=0

8 0
3 years ago
Sorry this is the last question...
MrRa [10]
19/20 / 1/2 I hope this helps
5 0
3 years ago
Read 2 more answers
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