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Alexeev081 [22]
3 years ago
12

When do we say that the computed solution or root of a quadratic equation isextraneous?​

Mathematics
1 answer:
scoray [572]3 years ago
7 0

Answer:

raising both sides of the equation to a certain power in order to eliminate radicals may result in the creation of extraneous roots

Step-by-step explanation:

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If f(x)=(3+x)/(x-3), what is f(a+2)?
tigry1 [53]

Answer:

To answer items such as this, we directly substitute the a + 2 to the all the x's in the function such that,

                           f(a + 2) = (3 + a + 2) / (a + 2 - 3)

Simplifying the function generated above,

                           f(a + 2) = (5 + a) / (a - 1)

3 0
2 years ago
For the problem I tried dividing but my answers were not correct. How can I solve this problem then? Can someone help me out her
astraxan [27]

Answer:

8

Step-by-step explanation:

5 = 40

1 = x

Then we multiply by the rule of crisscrossing

5 x X = 40 x 1

5x = 40 then divide both by 5

X = 8

3 0
2 years ago
Write an expression that can be used to solve the problem.
Ymorist [56]
The answer is going to be <span>B. 160/8. divide 160/8 to get 20 pages so he reads 20 pages each day and you can check by multiplying 20*8=160</span><span />
7 0
3 years ago
Sophia earned $294 in 24 hours. How many dollars did she earn per hour?
Vadim26 [7]

Answer:

$12.25

Step-by-step explanation:

Step 1:

$294 : 24        Ratio

Step 2:

$294 ÷ 24     Divide

Answer:

$12.25

Hope This Helps :)

6 0
3 years ago
Read 2 more answers
How do you solve for: 6 + 4/5b = 9/10b?
Gala2k [10]

Answer:

b=60

Step-by-step explanation:

6+4/5b=9/10b

  -4/5b  -4/5b

6=1/10b

divide both sides by 1/10

b=60

5 0
3 years ago
Read 2 more answers
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