Which of the following is equivalent tothe expression below?
(5x +6y- 3z) (3x- 8y+ z)
A. 8x- 14y- 4z
B. 8x- 2y -2z
C. 8x- 14y- 2z
D.8x -2y -3z

Answers

Answer 1

Answer: I believe the answer is B.
5+3=8
therefore being 8x
6-8=-2
therefore being -2y
-3+1=-2
there for being -2z
8x-2y-2z

hope this helps

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Answers

Hello,

sin² x+cos²x=1

Answer:

The ratios are identical

Step-by-step explanation:

9. When graphing, what does the y intercept describe? *The place where the line or curve crosses, or touches, the x axis

The place where a line or gurve crosses, or touches, the y axis

O I don't know.

Answers

Answer:

Every straight line can be represented by an equation: y = mx + b. ... The y-intercept of this line is the value of y at the point where the line crosses the y axis.

Dan's school is planning a field trip to an art museum, Bus company A charges a $60 rental fee plus $4 pestudent. Bus company B charges $150 plus $2 per student. How many students would have to go for the
cost to be the same?
A 90 students
B 50 students
C 45 students
D 15 students

Answers

Answer:

C 45 students

Step-by-step explanation:

45x4= 180

180 plus 60 equals 240

45x2= 90

150 plus 90 equals 240

Answer:

Step-by-step explanation:

Initially, Greg has a total of 60 DVDs and CDs in his collection. He then sold 1/8 of his CDs and 1/2 of his DVDs. If the number of DVDs he sold is twice the number of CDs he sold, how many DVDs did he sell?

Answers

Greg has 40 CD's and 20 DVD's. He sold 10 DVDs and 1/8 of his CD(40/8 = 5).

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

Initially, Greg has a total of 60 DVDs and CDs in his collection.

He then sold 1/8 of his CDs and 1/2 of his DVDs.

Let the number of CD is c and DVD is d

c + d = 60

2(c/8) = d/2

d = 60 - c

4(2c/8) = 4(60-c)/2

c = 120 - 2c

c = 40

d = 60-40 = 20

Thus, Greg has 40 CD's and 20 DVD's. He sold 10 DVDs and 1/8 of his CD(40/8 = 5).

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ2

Answer:

10 DVD's were sold.

Step-by-step explanation:

c = number of CD's

d = number of DVD's

so we know:

c + d = 60

2*c/8 = d/2

this can be solved:

d = 60 - c

2c / 8 = (60-c)/2

4*(2c/8) = 4*(60-c)/2 [multiply by 4]

c = 120 - 2c

3c = 120

c = 40

d = 60-40 = 20

So Greg had 40 CD's and 20 DVD's. He sold half of his DVD's, i.e., 20/2=10 and 1/8 of his CD, i.e., 40/8 = 5

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Answers

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