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sashaice [31]
3 years ago
15

What polynomial function has the zeros -3,1,5

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

Answer:

x³ - 3 x² - 13 x + 15 = 0

Step-by-step explanation:

Basically you can create three factors like this:

(x+3)(x-1)(x-5)=0

That will each represent one zero.

Work it out and you get x³ - 3 x² - 13 x + 15 = 0

You might be interested in
Danny binge watches four TV shows. His viewing habits include:
irinina [24]

Answer:

Danny will watch all of them on the same day again on August 31

Step-by-step explanation:

Here, we have a word problem.

The shows and frequency of watching are;

           

Show A                                   Every 2 days

Show B                                   Every 3rd day

Show C                                   Every 5th day

Show D                                   Every 10th day

Danny watched all four shows on August 1, therefore, the day he will watch all  four shows can be found by finding the Lowest Common Multiple, LCM of the frequency of his watching each of the shows. That is, the LCM of 2, 3, 5 and 10

Therefore we have, since 10 is the highest frequency and 3 is not a factor of 10, then the LCM that applies to 3 and 10 is 3×10 = 30.

Since the other frequencies are also a factor of 30, then the LCM of 2, 3, 5, and 10 is 30

Therefore, Danny will watch all four shows again on the same day again in 30 days after August 1. That is August (1 + 30) = August 31.

5 0
4 years ago
How do I solve for 4h=57.6 <br><br><br>Pls explain bc I don’t understand Does h = 14.4
QveST [7]

Answer:

h = 14.4

Step-by-step explanation:

4h=57.6

Divide each side by 4

4h/4 = 57.6/4

h = 14.4

6 0
2 years ago
Read 2 more answers
Which equation represents the function graphed on the
Pie

Answer:

g(x)=x2−4

f(x)=|x|+3

Step-by-step explanation:

4 0
3 years ago
In a Washington town, the charge for commerical waste collection is $694.55 for 5 tons of waste and $1098.56 for 8 tons of waste
NISA [10]

Answer:

m =\frac{1098.56-694.55}{8-5}= 134.67

And we can find the intercept like this:

694.55 = 134.67*5 +b

b = 694.55 -673.35= 21.2

And the equation would be given by:

C = 134.67 w + 21.2

Step-by-step explanation:

For this case we want a function given by:

C = mw +b

Where C is the cost, m the slope, w the weight and b the intercept.

We have the following info (w=5, C= 694.55) and (w=8, C=1098.56) and we can find the slope with this formula:

m =\frac{1098.56-694.55}{8-5}= 134.67

And we can find the intercept like this:

694.55 = 134.67*5 +b

b = 694.55 -673.35= 21.2

And the equation would be given by:

C = 134.67 w + 21.2

8 0
3 years ago
Steps to solve 3 (x -5) + 7 x = 65
Novay_Z [31]

Answer:

x = 8

Step-by-step explanation:

3(x-5)+6x = 3x-15+7x

3x-15+7x = 65

10x = 80

x = 8

8 0
4 years ago
Read 2 more answers
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