MATHEMATICS HIGH SCHOOL

What is the solution set of the quadratic equation 1/2 (4x-1) ^2 = 4 ​

Answers

Answer 1
Answer:

Answer:

x = (1)/(4) ± (1)/(2)√(2)

Step-by-step explanation:

Given

(1)/(2) (4x - 1)² = 4 ( multiply both sides by 2 to clear the fraction )

(4x - 1)² = 8 ( take the square root of both sides )

4x - 1 = ± √(8) = ± 2√(2) ( add 1 to both sides )

4x = 1 ± 2√(2) ( divide both sides by 4 )

x = (1+/-2√(2) )/(4)

   = (1)/(4) ± (1)/(2)√(2)

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-8 + 5 ( 1 + x) = 2x - 20
multi step equation, please solve ill give brainliest (with steps)

Answers

Answer:

The answer is x=-17/3

Step-by-step explanation:

The Steps:

-8 + 5(1 + x) = 2x - 20

-8 + 5 + 5x = 2x - 20

-3 + 5x = 2x - 20

-3 + 3x = -20

3x = -17

x = -17/3

A soccer team played 160 games and won 65 percent of them. how many games did it win?A. 94
B. 104
C. 114
D. 124

Answers

The answer would be B. 104. If you multiply 160 by 0.65, you get 104, which is the amount of games they have won. If you were to multiply 160 by 0.35, you'd get the amount of games they lost. Hope this helped!
The soccer team won B. 104 games, go team!

Amy types at an average speed of 38 words per minute. She has already typed 1,450 words of her final paper, which will be more than 4,000 words. Which inequality can be used to solve for x, the number of minutes it will take Amy to finish typing her paper? A. 38x − 1,450 > 76 B. 38(x + 1,450) > 4,000 C. 38x > 4,000 D. 38x + 1,450 > 4,000

Answers

Answer:

D. 38x + 1,450 > 4,000

Step-by-step explanation:

It has to be greater than 4,000 so A makes no sense

The parentheses are in the wrong place completely changing the meaning for B

C disregards the info we have about how she's already typed 1,450 words

The answer has to be D

Step-by-step explanation:

If y=3x +2 when X = 3 find the value

Answers

The correct answer is 11

What is 1/4 of 10 explain

Answers

Too many points for such a simple explanation :)) Whatever:
To get 1/4 of a number you multiply the number by 1/4. Same for any non-percent number. If the number is a percent, say, 23,5%, you first divide it by 100 to get a non-percent, then do the same, that is, multiply it by the number.
Our result is \frac{1}4*10=\frac{10}4=\frac{5}2=2\frac{1}2=2.5

Simple Question: What is 5x6-3/9?

Answers

solve the multiplication first then the division  and the subtract them to get something like this:
30- (1)/(3)= (89)/(3)
 which simplifies to 29.7 (3 significant figure )
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