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3 years ago

Determine whether this system of equations has one solution, no solution, or infinitely many solutions.

Mathematics

1 answer:

prohojiy [21]3 years ago

4 0

Answer:

The only solution I see is for x=0

Step-by-step explanation:

y=8x+2

y=-8x+2

y=y so substitute:

8X+2=-8X+2

Subtract 2 from each side

8X=-8X

divide each side by 8

x=-x

The only solution I see is for x=0

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If x / 5 = y, what is 2x?

tino4ka555 [31]

x / 5 = y

Multiply each side by 5 : x = 5y

Multiply each side by 2 : 2x = 10y

6 0

3 years ago

Jessica has 84.5 of fabric to make curtain

qaws [65]

Answer:

$10.8\ yd$

Step-by-step explanation:

The complete question is

Jessica has 84.5 yards of fabric to make curtains. She makes 6 identical curtains and has 19.7 of fabric remaining. How many yards of fabric does Jessica use per curtain?

Let

x-------> amount of yards of fabric that Jessica used per curtain

we know that

The length of 6 identical curtains plus the length of the fabric remaining, must be equal to the total yards of fabric'

The linear equation that represent this situation is

Solve for x

$6x=84.5-19.7\\6x=64.8\\x=10.8\ yd$

3 0

3 years ago

Can someone please help its due soon.ill give brainliest!

leva [86]

Answer:

18 and 6

4x= 18+6

4x=24

x=24/4

x=6

4x= 6×4

2x+3

6×2

12+3

3 0

3 years ago

The length of a rectangle 1.6 times longer with the sum of width and length being 130 feet

Lena [83]

Let be the length, and be the width.
If the length is 1.6 times the width, then

If the sum of the length and with (in feet) is 130, then
Substituting in the equation above, the expression for , we get
--> --> -->
Ten, substituting the value found for in we find
-->
The two equations we set up at the start form a system of linear equations:

3 0

3 years ago

Read 2 more answers

Temperature at 9:00PM was 15° By 5 AM the temperature had dropped 20° what was the temperature at 5 PM

Arisa [49]

From 9 P.M. to 5 A.M. the temperature dropped 20°, making the rate over 8 hours, -2.5° Per Hour. By 5 A.M., the temperature is -5° since we had to do 15 - 20. From 5 AM to 5 P.M. is 12 hours so -2.5 x 12 = -30 making 30 how much the temperature dropped between 5 A.M. to 5 P.M. Finally, our last equation is -5 - 30 making -35 our answer.

4 0

3 years ago