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devlian [24]
3 years ago
6

If the factors of a polynomial are x+7 and x-3, what values of x make that polynomial 0?

Mathematics
2 answers:
scZoUnD [109]3 years ago
7 0
-7 and 3 I think that is the answer
elena-14-01-66 [18.8K]3 years ago
3 0
The values that make x that polynomial would be 0 would be 7 and negative 3.

Hope this helps:)
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Deanna gets 3 problems incorrect on her math quiz and scores 85%. How many questions were on the quiz?
katrin2010 [14]

Answer:

There were 20 questions on the quiz

Step-by-step explanation:

In this question, we are concerned with knowing the number of questions on a quiz, given that Deana had a certain percentage after scoring an amount of marks.

We proceed as follows;

Let the number of questions on the quiz be X.

Now, she got 85% by making 3 incorrect choices. This means the percentage of questions she got incorrectly would be 100-85 = 15%

what we are saying is that it is just 15% of her questions that were wrong.

This mathematically;

15% of x = 3

15/100 * x = 3

15x = 3 * 100

15x = 300

x = 300/15

x = 20

5 0
3 years ago
Mir. White has a beach lot that is 60 feet wide.<br> What is the width of his lot in yards?
Anon25 [30]

Answer:

20 Yards

Step-by-step explanation:

3 feet = 1 yard

60 / 3 = x yards

20 yards

4 0
3 years ago
−2+pn/4 when n=5 and p=2.
Gnesinka [82]

Answer:

-2+5*2= -2+10/4

You get 8/4 which is 2

Step-by-step explanation:

6 0
2 years ago
4 × (8 – 3) = (4 × 8) – ( × 3)
Zina [86]
In this problem there might be a number that you need to add before the "( x 3)" then your answer will be 20 = 32 - 12 = 20
8 0
3 years ago
Read 2 more answers
Find two consecutive numbers whose squares differ by 45
Wittaler [7]

Answer:

The 2 numbers are 22 and 23

Step-by-step explanation:

let the two numbers be x and x+1

according to the question:

(x+1)^2 - x^2 = 45

x^2+1+2x - x^2 = 45

2x + 1 = 45

2x= 44

x = 22

the other number is x+1 = 22+1 = 23

therefore, the two consecutive numbers are 22 and 23

Hope it helped u....

5 0
3 years ago
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