MATHEMATICS HIGH SCHOOL

What way of solving systems would you Ik use for these two equations ? X=3 y=2x+1

Answers

Answer 1

Answer:

Answer:

Substitution

Step-by-step explanation:

Subtitue x=3 into the second equation

y=2(3)+1

y=6+1

y=7

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A^3+a+a^2+1 2a^2+2ab+ab^2+b^3------------------------------- * ----------------------------------
a^3+a^2+ab^2+b^2 a^3+a+a^2b+b

Answers

$(a^3+a+a^2+1)/(a^3+a^2+ab^2+b^2) \cdot (2a^2+2ab+ab^2+b^3)/(a^3+a+a^2b+b) =(a(a^2+1)+1(a^2+1))/(a^2(a+1)+b^2(a+1)) \cdot (2a(a+b)+b^2(a+b))/(a(a^2+1)+b(a^2+1)) =\n\n=((a^2+1)(a+1))/((a+1)(a^2+b^2)) \cdot ((a+b)(2a+b^2))/((a^2+1)(a+b)) = (2a+b^2)/(a^2+b^2)$

Black Widow closely tracks her total villains vanquished count. She iscurrently at 31. She vanquishes 2 villains each day. What is the total number
of villains she will have vanquished after 9 days? *

Answers

Answer:

Step-by-step explanation:

V=villains

D=Days

2V times 9D + 31

49 is your answer

Joshua sells a pack of pens for $3.15 which is 5 percent more that he pays for them. Which equation will help find x, the amount he pays for a pack of pens? how many solutions will this equation have?A) x+0.05x=3.15 infinitely many solutions.
B) x+0.5x=3.15 one solution
C) x+0.05=3.15 one solution
D) 0.05x=3.15 no solution

Answers

Answer:

x+0.05x=3.15

Step-by-step explanation:x= the amount he pays for a pack of pen

x+0.05x=3.15 , which has one solution.

1.05x=3.15

x=3.15/1.05=3

he pays for a pack of pens 3

Answer: x+0.05x=3.15 , which has one solution.

Is the quotient 2.7 divided by 3 greater than 1?

Answers

no, the quotient of 2.7 divided by 3 is not greater than 1

2.7 ÷ 3 = 0.9

Where does y=2x-3 and y=-x+3 intersect?

Answers

Substitute -x+3 for the y in the first equation so it reads -x+3=2x-3 then solve for x getting x=2. thats your x coordinate for the point of intersection. Then choose either equation and plug in 2 for x and solve. Thats your y coordinate, which is 1. So the point of intersection is (2,1).

$y=2x-3\ny=-x+3\n\n2x-3=-x+3\n3x=6\nx=2\n\ny=-2+3\ny=1\n\n\text{They intersect at the point }(2,1)$

Whats 1+1 ita just to hard im trying but i can't figure it out

Answers

Answer: 25

Step-by-step explanation:

because its funnier than 24.

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