MATHEMATICS MIDDLE SCHOOL

Y = −x + 2y = 3x + 1

Which description best describes the solution to the system of equations?


line y=-x+2 intersects line y=3x+1.
Lines y=-x+2 and y = 3x + 1 intersect the x axis
lines y=-x+2 and y 3x+ 1 intersect the y-axis

Line y=-x+2 intersects the origin

Answers

Answer 1
Answer: line y=-x+2 intersects line y=3x+1.
Answer 2
Answer:

this is right ↑ I took the test myself and was a little unsure bc some people were saying it was 'lines y=-x+2 and y=3x+1 intersect the y-axis' but it is actually A! Thanks so much! Have a great day!

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What is the equation answer

Answers

9 is the answer hope it helps
The answer is 9. 13-1=2 and 3+9=12

If the volume of 100 liquid drops is 0.1 fluid ounce, what is the volume of 10 drops?

Answers

To do this, you need to set up a proportion. 100 drops= 0.1 fl oz, and so you are looking for 10 = x fl oz., where x equals the amount of fluid ounces 10 drops equals

 0.1   =  x
100      10

When you cross-multiply, this becomes (0.1)(10) = 100x
0.1 times 100 equals 1, so it becomes 1 = 100x
To get x by itself, divide both sides by 100, and you get x = 0.01 fluid ounces

Blake and three friends meet for lunch. His friends all get the same thing, but Blake gets a different lunch that cost $6. Write ab expression to show the total amount that Blake and his friends spend. Then find the total amount that Blake and his friends spend if each friend spends $8.

Answers

Answer:

Step-by-step explanation:

Friends lunch=8+8+8=$32

Blake's lunch=$6

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A climber starts descending from 533 feet above sea level and keeps going until she reaches 10 feet below sea level.How many feet did she descend?

Answers

It's actually 543 feet because at 523 feet that would mean she is still 10 feet above sea level. So you need to add another 20 feet to get to 10 feet below sea level.

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Answers

Answer:

n = 20.

Step-by-step explanation:

The external angles of a polygon add up to 360 degrees. So:

30 + 42 + 16(n - 2)   = 360   where n is the number of sides of the polygon.

16n + 30 + 42 - 32 = 360

16n  + 40 = 360

16n = 320

n = 20.

I stuck with this one.
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Answers

the answer is -ab^2-8a^2b
simply with same variable and exponents
so the answer is 
-ab²-8a²b
so your combining like terms 
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