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3 years ago

Y = -3x +10 3x +y = 5 substitution method

Mathematics

1 answer:

spayn [35]3 years ago

3 0

Answer:

no solutions

Step-by-step explanation:

y = -3x +10

3x +y = 5

Substitute the first equation into the second equation

Let every instance of y in the second equation be replaced with -3x+10

3x+ (-3x+10) = 5

Combine like terms

10 =5

This is never true so there are no solutions

(These are parallel lines with the same slope but different y intercepts)

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3x – 5 = 2(-6x – 1) <br> 3 <br> -3 <br> 1/5 <br> -1/5

klasskru [66]

Answer: your answer would be 3

Step-by-step explanation:

8 0

3 years ago

Graph a line with a slope of 2/5 that contains the point(-2,4)

fomenos

Answer:

(-2, 4) (3, 6)

Step-by-step explanation:

I think this would be correct? haha

y2-y1/x2-x1

6-4=2,3--2(or 3+2 because 2 negatives make a positive)=5, so 2/5.

I hope this helps :)

7 0

3 years ago

Seattle, WA and San Francisco, CA lie on the same longitudinal line. San Francisco is at 38° latitude and Seattle is at 47° lati

Helen [10]

Step 1.

Calculate measure of angle α:

$47^o-38^o=9^o$

Step 2.

Calculate what fraction of the angle 360° is the angle α:

$\dfrac{9^o}{360^o}=\dfrac{1}{40}$

Step 3.

Calculate the circumference of the Earth (circle):

$C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi$

Step 4.

The length of arc is equal 1/40 of the circumference:

$\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi$

$\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi$

<h3>Answer: A) 628 miles</h3>

7 0

4 years ago

In the early months of some year, one site added 0.5 million new accounts every day. At this rate, how many days would be need

Over [174]

The answer that you are looking for is 60 . It will take 60 days until there will be 30 million new accounts added to a site. If you divide 30 from .5 you would get 60 so that would be your answer

8 0

3 years ago

Read 2 more answers

Cold Boarders offers snowboard rentals for $5 per trip and an initial fee of

weqwewe [10]

Answer:

The prices will match up at 3 snowboard rental trips. The cost is $25.

Step-by-step explanation:

First, I wrote out the two equations:

Cold Boarders: 5x + 10

Ice Riders: 4x + 13

Next, I kept trying numbers for x until I found one that worked. The two companies prices match up at 3 snowboard rental trips. The cost will be $25. Hope this helped!

4 0

3 years ago