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Kipish [7]
3 years ago
5

How to solve for X: X-B=A

Mathematics
2 answers:
rodikova [14]3 years ago
8 0
To solve for X, add B to both sides to get X alone
your new equation would be:
X = A + B
mamaluj [8]3 years ago
5 0

Answer:

Step-by-step explanation:

(x−a)(x−b)=x2−(a+b)x+ab

Now, this with the third bracket.

(x2−(a+b)x+ab)(x−c)=x3−(a+b+c)x2+(ac+bc+ab)x−abc

But there’s another way to do this, which is easier. Assume the given expression is equal to 0, then, we can form a cubic equation as

x3−(sum−of−roots)x2+(product−of−roots−taken−two−at−a−time)x−(product−of−roots) , which is essentially what we got above.

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In a recent year the fuel economy of all passenger vehicles was 19.8 mpg. A trade organization sampled 50 passenger vehicles for
salantis [7]

Answers and Step-by-step explanation:

Hypotheses are:

H o=19.8

H 1 ≠19.8

Here we have following information:

s=2.45, X bar=20.1, n=50

So test statistics will be

t=20.1-19.8/(2.45/\sqrt{50} =0.87

Degree of freedom : d f = n - 1 = 50 - 1 =49

Test is two tailed so critical value of the test is -1.30 and 1.30.

Rejection region:

if t < -1.30 and t > 1.30, reject H o

Since test statistics lie in the rejection region so we fail to reject the null hypothesis.

(b)

The observed significance of the test is

P value =0.3885

(c)

Since p value is greater than 0.20 so we fail to reject the null hypothesis.

5 0
3 years ago
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alexira [117]

Answer:

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7 0
3 years ago
Read 2 more answers
What is the difference?<br> -6-(11)<br> 1-17<br> -5<br> O 5<br> 017
Roman55 [17]

Answer:

-17

Step-by-step explanation:

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3 years ago
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Amelia enjoys running and often runs at a steady pace. At this pace, Amelia can run 50 yards in 12 seconds. What is Amelia's uni
valentinak56 [21]

Answer:

4.16

Step-by-step explanation:

50/12

7 0
2 years ago
What are the coordinates of the new triangle
swat32
All you need to do is subtract.
1-5 is -4. 1-3 is -2 thus (-4,-2)
4-5=-1. 2-3=-1 thus (-1,-1) at this point there is only one option left
B Is the answer
6 0
3 years ago
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