MATHEMATICS COLLEGE

8x - 3 = 5 (2x + 1) solve for x

Answers

Answer 1

Answer:

Answer:

-4

Step-by-step explanation:

Given:

8x - 3 = 5 (2x + 1)

Solving for x:

8x - 3 = 10x + 5
10x - 8x = -3 - 5
2x = - 8
x = -8/2
x = -4

Answer 2

Answer:

Answer:

x=−4

Step-by-step explanation:

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Graph the line with slope

Answers

The correct answer is below with points (4,-6) and (-5,0)
The equation is also Y=-2/3x-3.33). :)

For the given functions f and g, find the following:(a) (f + g)(x)
(b) (f - g)(x)
(c) (f + g)(2)
(d) (f - g)(1)

$f(x)=3x^2+x+2; g(x)=x^2-3x-1$

Answers

$(f+g)(x)=4x^2-2x+1, (f-g)(x)=2x^2+4x+3$
$(f+g)(2)=16-4+1=13, (f-g)(1)=2+4+3=9$

The mean of Greg’s journey times to work on 3 days was 28 minutes.If it took him 27 minutes and 25 minutes on two of the days, how long did it take him on the third day?

Answers

the mean is found by adding the time it takes Greg each day and then diving by the number of days: 27+25+32=84.
84/3=28 min
it takes Greg 32 min on the third day

28x3=84

84-27-25=32

That is my solution.

Write an expression for the product of - 3 *- 2y

Answers

I think it’s 6y hopefully it’s correct lol

A university administrator obtains a sample of the academic records of past and present scholarship athletes at the university. The administrator reports that no significant difference was found in the mean GPA (grade point average) for male and female scholarship athletes ( P = 0.287 ) . This means that: a. the maximum difference in GPAs between male and female scholarship athletes is 0.287.
b. the chance of obtaining a difference in GPAs between male and female scholarship athletes as large as that observed in the sample if there is no difference in mean GPAs is 0.287.
c. the GPAs for male and female scholarship athletes are identical, except for 28.7% of the athletes.
d. the chance that a pair of randomly chosen male and female scholarship athletes would have a significant difference in GPAs is 0.287.

Answers

Answer:

Step-by-step explanation:

The probability of obtaining results as extreme as the observed results of a statistical hypothesis test, assuming that the null hypothesis is correct is known as p-value.

The p-value is used as an option to reject points to provide the smallest level of significance at which the null hypothesis would be rejected. A smaller p-value means that there is stronger evidence in favor of the alternative hypothesis.

Only the statement expressed by option C is in correlation with the meaning of p-value.

Which value of x makes this equation true -5(x - 20) = 35

Answers

The value of $x$ that makes the equation true is $$x = 13$.$

To find the value of $x$ that makes the equation $-5(x - 20) = 35$ true, you need to simplify the equation and solve for $x$. Let's break down the steps: