1.(08.05)
A student is trying to solve the system of two equations given below:
Equation P: y + z = 4
Equation Q: 3y + 7z = 15
Which of the following steps can be used to eliminate the y term? (4 points)
0-3(y + z = 4)
3(y + z = 4)
-1(3y + 7z = 15)
0 -3(3y + 7z = 15)

Answer:

3.14159...

Step-by-step explanation:

pi is not rational number

Answer:

A. 3.14......

Step-by-step explanation:

3.14159 is called pi! Pi is not rational, it is irrational.

Answer:

B

Step-by-step explanation:

Answer:

3/5

Step-by-step explanation:

you are looking for the X-Y so X go first

Answer:

the value of the given equation is 8

Step-by-step explanation:

The computation is shown below

Given that

13 - 0.75w + 8x

here w = 12

x = 1 ÷ 2

Now put these values to the above equation  

= 13 - 0.75 × (12) + 8 × (1 ÷ 2)

= 8

Hence, the value of the given equation is 8

Answer:

15

Step-by-step explanation:

20% is 1/5

75*1/5=75/5=15

Answer:

x=2 and y=1

Step-by-step explanation:

hope this helps!

Answer:

x = 2

Step-by-step explanation:

For system of equations, you need to equal them to each other. First, you need to isolate y on one side of the equation in [tex]y - 2x = -3[/tex]

[tex]y = -3 + 2x[/tex]

Now, equal the equations to each other:

[tex]-\frac{1}{2}x + 2 = -3 + 2x[/tex]

Add [tex]\frac{1}{2} x[/tex] to both sides of the equation:

[tex]2 = -3 + (2x + \frac{1}{2}x) = -3 + (\frac{4}{2}x + \frac{1}{2}x) = -3 + \frac{5}{2} x[/tex]

Subtract add 3 to both sides of the equation:

[tex]5 = \frac{5}{2}x[/tex]

Divide [tex]\frac{5}{2}[/tex] on both sides of the equation. Remember: when you divide a fraction, you multiply by the reciprocal. See below:

[tex]\frac{2}{5} * 5 = x[/tex]

[tex]\frac{10}{5} = x[/tex]

[tex]x = 2[/tex]

Check your work:

[tex]-\frac{1}{2}(2) + 2 = -3 + 2(2)[/tex]

-1 = -1

Answer:

Yes, if yo get an assignment that you don't get, ask the teacher to explain it to you.

Step-by-step explanation:

Answer:

I'm pretty sure the answer is 50

Step-by-step explanation:

______________________________

Equation at the end of Step 1:

Equation at the end of Step 2:

Equation at the end of Step 3:

Equation at the end of Step 4:

Equation at the end of Step 5:

______________________________

Answer:

x = 50 degrees!

Answer:

A

Step-by-step explanation:

i want it now

Answer:

94 = m∠1

Step-by-step explanation:

32 + 62 = m∠1

94 = m∠1

Answer:

Step-by-step explanation:

use point-slope formula [ y- y1 = m(x - x1) ]  with the point you are given as point 1 (x1,y1) = (4,-6) and the slope m that you are also given m = -3/4

y-y1 = m(x -x1)

y-(-6) = -3/4(x -4)

y + 6 = -3/4(x-4)

you can work this toward the slope-intercept formula of y = mx +b by doing the following

y + 6 = -3/4x +3    (distribute the -3/4)

y = -3/4x + 3 -6   ( move the 6 to the other side )

y = -3/4x - 3  

there  you go  :) choice 1 looks good if you're still able to put in the answer

Answer:

B

Step-by-step explanation:

Answer:

b=36m

Step-by-step explanation:

im not sure tho

this is your answer   -45189/2000

Answer:

DEA

Step-by-step explanation:

adjacent is next to and DEA is on line CF with CED

Answer:

Yes, the table does show a function. First, just by seeing that the y values are the same, this means that this is a perfectly horizontal line. Horizontal lines are functions, but vertical lines aren't. I suppose the ordered pairs are just (-2,5), (0,5), and (3,5)

Answer:

453,000

Step-by-step explanation:

Answer:

The last one

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

66 I think might he wrong

Step-by-step explanation:

I'm not sure if its right

Answer:

a = 3

b = 0

Step-by-step explanation:

Equations that have infinite solutions are equations that equal itself.

Example: 13y = 13y has infinite solutions

We need to find the values of a and b so that it equals 3x.

Therefore, a = 3 and b  = 0.

Answer:

for a vertical line the value of x, in this case 9, will never change. this will be true for any value of y. therefore the equction for vertical line line passing through this point is; x=9 likewise, for a horizontal line the value of y, in this case -4 will never change. this will be true for any value of x. therefore the equation for a horizontal line passing through this points is; y=-4

Step-by-step explanation:

hope this helpful and you welcome!

tell me if you have anything to help you with.

Answer:

yes u got it right

Step-by-step explanation:

Answer: 3

Step-by-step explanation:

Multiply $40 by 3 then add 10 to get 130.

Multiply $38 by 3 then add 16 to get 130.

The number of backpacks a customer would need to order from either company so that the cost of the order was the same for both companies is 3 backpacks.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

We have,

First company:

Charges per backpack = $40

Shipping fee = $10

We can write an equation for the cost of x backpacks of the first company:

10 + 40x _____(1)

Second company:

Charges per backpack = $38

Shipping fee = $16

We can write an equation for the cost of x backpacks for the second company:

16 + 38x ______(2)

The number of backpacks a customer would need to order from either company so that the cost of the order was the same for both companies:

From (1) and (2) we get,

10 + 40x = 16 + 38x

Subtract 10 on both sides

10 + 40x - 10 = 16 + 38x - 10

40x = 6 + 38x

Subtract 38x on both sides.

40x - 38x = 6

2x = 6

Divide 2 on both sides.

x = 3

Thus,

The number of backpacks a customer would need to order from either company so that the cost of the order was the same for both companies is 3 backpacks.

Learn more about equations here:

https://brainly.com/question/27996921

#SPJ2

Answer:

[tex]\frac{1}{3}[/tex]

Step-by-step explanation:

Answer:

: x < 6

Step-by-step explanation:

yes. how'd you knowwww?

Answer:

no

Step-by-step explanation:

Answer:

7.5

Step-by-step explanation:

10x + 8x + 6x = 180°

24x = 180°

x = 180°÷24

× = 7.5

HOPE IT HELPS YOU.

HOPE IT HELPS YOU.

HOPE IT HELPS YOU.