Solve the equation for x:3x – 17 = 9x + 7

A x = 4
B x = –4
C x = 610
D x = −610

Answers

Answer 1

Answer: 3x - 17 = 9x + 7

Rearrange on same sides
-17 - 7 = 9x - 3x
-24 = 6x

Divide by 6 on either sides to isolate 6
$-(24)/(6) = (6x)/(6)$
6 and 6 cancels out
-4 = x

Answer is:
B. x = -4

Answer 2

Answer:

Answer:

the answer is B

Step-by-step explanation:

i just got the question correct

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Solve the following equation w-6/5=-2

What part of the coordinate plane is equidistant from the points a(-3,2) and b(3,2)?

Answers

We first find the midpoint of the points:
Midpoint: ((3-3)/2 , (2 + 2)/2)
= (0 , 2)
Thus, the y-axis, where x = 0, is equidistant from the two points.

Answer:

The y-axis is equidistant from both points

Step-by-step explanation:

we know that

The formula to calculate the coordinates of midpoint M between two points is equal to

$M=((x1+x2)/(2), (y1+y2)/(2))$

we have

$(x1,y1)=(-3,2)$

$(x2,y2)=(3,2)$

substitute the values in the formula

$M=((-3+3)/(2), (2+2)/(2))$

$M=(0,2)$

see the attached figure to better understand the problem

The y-axis is equidistant from both points

Someone help me factorise this polynomial according to the Factor theorem
x^3- 5x^2+2x+8

Answers

Answer:

(x − 4)(x − 2)(x + 1)

Step-by-step explanation:

A balanced die is rolled 10 times, calculate the probability of rolling a 4 five times

Answers

(1/6)^5 = 1/7776 Cool? Hope this helps

Amanda exercised for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40 minutes in the fourth week.Billy exercised for 5 minutes every day in the first week, 10 minutes in the second week, 20 minutes in the third week, and 40 minutes in the fourth week.

Which statement best describes the methods used by Amanda and Billy to increase the time they spent exercising?

A) Amanda's method is linear because the number of minutes increased by an equal number every week.
B) Billy's method is linear because the number of minutes increased by an equal factor every week.
C) Both Billy's and Amanda's methods are exponential because the number of minutes increased by an equal factor every week.
D) Both Billy's and Amanda's methods are exponential because the number of minutes increased by an equal number every week.

Answers

Amanda Billy
1st week 10 5
2nd week 20 10
3rd week 30 20
4th week 40 40

A) Amanda's method is linear because the number of minutes increased by an equal number every week.
common difference is 10.
1st week 0 + 10 = 10
2nd week 10 + 10 = 20
3rd week 20 + 10 = 30
4th week 30 + 10 = 40

Billy's method is exponential:
5(2)^x

1st week 5(2⁰) = 5(1) = 5
2nd week 5(2¹) = 5(2) = 10
3rd week 5(2²) = 5(4) = 20
4th week 5(2³) = 5(8) = 40

Answer:

Step-by-step explanation:

She's got it ^^^

HELP ILL GIVE BRAINLIESTTwenty students in Class A and 20 students in Class B were asked how many hours they took to prepare for an exam. The data sets represent their answers.

Class A: {2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3, 5}
Class B: {3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6}

Which statement is true for the data sets?

A.
The mean study time of students in Class A is less than students in Class B.
B.
The mean study time of students in Class B is less than students in Class A.
C.
The median study time of students in Class B is greater than students in Class A.
D.
The range of study time of students in Class A is less than students in Class B.
E.
The mean and median study time of students in Class A and Class B is equal.