Evaluate the expression 3.5 m

Answers

Answer 1
Answer: This doesn't make sense its just multiplying 3.5 times whatever m is equal to. Did that help?
Answer 2
Answer: is there anything else to it..


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4x -9y= -42
x+5y=4
Solve by elimination

Answers

The solution to the system of equation 4x - 9y = -42 and x + 5y = 4 is x = -6 and y = 2.

What is the solution to the system of equations?

Given the system of equations in the question:

4x - 9y = -42

x + 5y = 4

To solve the system of equations using the elimination method, first multiply the second equation by 4:

4[ x + 5y = 4 ] → 4x + 20y = 16

Hence, we have:

4x - 9y = -42

4x + 20y = 16

Subtract the first equation from the second equation to eliminate 4x:

0 - 29y = -58

29y = 58

y = 58/29

y = 2

Plug y = 2 into equation 2 and solve for x;

x + 5y = 4

x + 5(2) = 4

x + 10 = 4

x = 4 - 10

x = -6

Therefore, the value of x is -6 and y is 2.

Learn more about system of equations here:brainly.com/question/28948523

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Answer:

x = -6 and y = 2

Step-by-step explanation:

4x-9y = -42

x+5y = 4

4x-9y = -42

4x + 20y = 16

Take them away from each other.

-29y = -58

Find what one y is by dividing.

-58 / -29 = 2

y = 2

Substitute back into original.

x + 10(5*y) = 4

Take 10 away to find x.

x = -6

Check if answer is correct.

4x - 9y = -42

-24 - 18 = -42

Final Answer: x = -6 and y = 2

Which set of numbers represents the domain for the following table below

Answers

Answer:

21

Step-by-step explanation:

21

URGENT! PLEASE HELP!Which of the follow functions are linear? Explain how you know.

1.) y - 4 = -8(x - 1)

2.)y =^4 (Four is an exponent)

3.)y-x^2 = 4.5 (Two is an exponent)

4.)3x + 5y = 15
____
I need help A.S.A.P, any help is appreciated!

Answers

I would say that (4) and (3) are linear. hope this helps you ;)
1.) and 4.) are linear equations.
3.) doesn't work because it has x^2 which makes it impossible for it to be linear(it will make it a parabola) and 2.) I an mot sure where x is and if 4 is an exponent where is the base. 1.) and 2.) work because if you put them in to slope form they Will make a line.
1.) y-4=-8(x-1)
y-4=-8x+8
y=-8x+12

2 ) 3x+5y=15
5y=-3x+15
y=(-3/5)x+3

these equations will make a line

Joann has 3 green marbles 5 blue marbles and 9 yellow marbles.What is the ratio of green marbles to blue marbles?

Answers

Given:Joann has 3 green marbles 5 blue marbles and 9 yellow marbles.

The ratio is asking us to find the ratio of green and Blue marble.A ratio is a statement of how two numbers compare. It is a comparison of the size of one number to the size of another number.Ratios can be shown using the ":" to separate the numbers.Ratio of Green :Blue:Yellow =3:5:9

The ratio of green and Blue marbles =3:5.

Green marbles = 3
Blue Marbles = 5

Green to blue = 3/5.

Hope this helped☺☺

Weekly Question:In the rectangle below, the line MN cuts the rectangle into two regions. Find x the length of segment NB so that the area of the quadrilateral MNBC is 40% of the total area of the rectangle.

Answers

Answer:

(1/2)(10)(x + 15 + x) = (2/5)(10)(20 + x)

(1/2)(2x + 15) = (2/5)(x + 20)

5(2x + 15) = 4(x + 20)

10x + 75 = 4x + 80

6x = 5

x = 5/6

NB = 5/6

The answer for this question is really interest and that is N= to 5/6

There are 28 less blue coffee mugs than green coffee mugs. There are 16 blue coffee mugs. How many green coffee mugs are there?

Answers

Answer:

44 coffee mugs

Step-by-step explanation:

Think of 28 + 16

That should tell you how many blue coffee mugs there are because ,it's less than and if you take that 28 and add it by the amount of blue mugs you get your answer.

There are 44 green mugs