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AnnZ [28]
4 years ago
15

Please help with answer

Mathematics
1 answer:
Damm [24]4 years ago
3 0
21)y=5/6x-7
22) y-5=-3/4x

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The best way to describe lines y= x+3 and -x+y=7
Alexandra [31]

Answer:

Parallel lines

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = x + 3 ← is in slope- intercept form

with slope m = 1

- x + y = 7 ( add x to both sides )

y = x + 7 ← in slope- intercept form

with slope m = 1

Parallel lines have equal slopes, thus the lines are parallel

5 0
3 years ago
80 points. Please answer!
klemol [59]

Answer:

a cube that is 1 yard long, 1 yard wide, and 1 yard high

Step-by-step explanation:

The dimensions for a unit cube are:

1\times1\times1

<u>Please note that the units for each side MUST be the same (or if they're different, then the lengths have to be equivalent). </u>

<u />

Looking at the answer choices, we can see that the last answer choice is a 1 yd by 1 yd by 1 yd cube, therefore it is a unit cube.

6 0
3 years ago
Which value of x make the open sentence true? 2x – 3 = 15
Ksju [112]
2x - 3 = 15
2x = 15 + 3 = 18
x = 18/2 = 9

Therefore, the equired value of x is 9.
8 0
4 years ago
Problem solving math
tatiyna
Answer: 53.1%

----------------------------

Explanation:

The change from 76.1 to 116.5 is 40.4
This means that 40.4 more million people voted in the second year compared to the first

Divide this difference (40.4 million) over the original amount (76.1 million) to get

40.4/76.1 = 0.53088 which converts to 53.088% and that rounds to 53.1%

6 0
3 years ago
Solve for X if 2x-5√X -3 = 0​
viktelen [127]

Answer:

x=9

Step-by-step explanation:

-5 square root x =-2+3

5x=4x^2 −12x+9

Simplify  25x-4{x}^{2}+12x-925x−4x 2 +12x−9  to  37x-4{x}^{2}-937x−4x 2-9

then...

(4x−1)(x−9)=0

x=1/4,9

-drop 1/4

x=9

4 0
3 years ago
Read 2 more answers
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