MATHEMATICS HIGH SCHOOL

What is the solution to this system of linear equations: y-x=4 and y+2x=11) (-1,3)
2) (0,4)
3) (1,-1)
4) (-3,3)

Answers

Answer 1
Answer: y-x=4
y+2x=1

3x=-3
x=-1

substitute to any equation
y-x=4
y+1=4
y=3

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Rachel's cell phone company charges $0.10 per minute . She used 350 minutes last month and paid $84. Write and solve a linear equation to fins what her bill will be if she uses 300 minutes next month .

Answers

300 min = $X
350 min = $84
now cross multiply
350 * x = 300*84
x = 25200/350
x = $72 Answer

Find the two numbers the quotient is between. Then estimate the quotient. 75 divided by 4

Answers

Answer:

The quotient will be between 18 and 19.

Estimated quotient will be 18.75

Step-by-step explanation:

The closest number to 75 which is divisible by 4 and less than 75 is :  72  and

the closest number to 75 which is divisible by 4 and greater than 75 is :   76

Now,  72 / 4= 18 and 76/ 4= 19

That means, the quotient for (75/4) will be between 18 and 19.


As, 75 is 1 less than 76, so the quotient will be (1)/(4) or 0.25 less than 19.

So, the quotient will be:  19-0.25= 18.75

How many strings of eight uppercase English letters are there if no letter can be repeated?

Answers

............................3................................

Find the missing side of the triangle. Round to nearest tenth if needed.

Answers

Answer:

6.7

Step-by-step explanation:

6.7 because 3.4 is way to small 7.9 would be close but not the  right length and 8.5 is way too long to be on the bottom.

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How do you know if a rate of change is positive or negative?

Answers

if the quantity u have decreased with time so the rate is negative and vise versa

G plus 6 is 10 what is g

Answers

Answer:

4 is the answer lol. if u are a gi see my questions

Answer:

the g is 4 ok hope it helps. see comments

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