Simplify -(3x - 4y) +x by combining like terms

Answers

Answer 1

Answer: $-(3x - 4y) + x$

$-3x - (-4y) + x$

$-3x + x + 4y$

$= -2x + 4y$

Answer 2

Answer: -(3x - 4y) + x = -3x - (-4y) + x = -3x + x + 4y = -2x + 4y

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What is the sum? 2/13 + 5/13 a. 10/169 b 7/26 c 7/13 d 10/13

Answers

$\sf(2)/(13)+(5)/(13)$

Add the numerators and keep the denominator:

$\sf(2+5)/(13)\rightarrow(7)/(13)$

I'm pretty sure it's 7/13 because u do not change the denominators when u are adding they stay the same. And 2+5 is 7 the answer is c 7/13

C+2c+12=75
what is the value of c?

Answers

Simplify c+2c+12 to 3c+12
3c+12=75
Subtract 12 from both sides
3c=75−12
Simplify 75−12 to 63
3c=63
Divide both sides by 3
c=63/3
Simplify 63/3 to 21
c=21

c+2c+12=75
3c + 12 = 75
3c = 75 - 12
3c = 63
с = 63 : 3
с = 21
______________________

3 × 21 + 12 = 75
63 + 12 = 75
75 = 75

Find the GCF of each set of trinomials
60x^2y^2 , 35xz^3

Answers

I look at the similarities in factors then write them down. So 60 and 35, they have 5 (highest factor possible) in common. Now look at the variables. The only thing they have in common are the x's, and the second one doesn't have ^2, so its just x. That's how I got the final answer as 5x

$GCF(60x^2y^2;\ 35xz^3)=5x$

the average time it takes a swimmer to complete a lap is represented by the variable t. which set of numbers best describes the value of the variable?

Answers

Answer: Rational Numbers

Step-by-step explanation: Rational numbers could be described as numbers that can be expressed as the quotient or fraction a/b of two integers, a numerator a and a non-zero denominator b. The average lap time of a swimmer will be generally given in a decimal time (i.e 55.47 seconds) these value can be expressed as the quotient or fraction a/b of two integers.

the average time it takes the swimmer is your varible

9. If the area of a rectangle measures 20 square inches, the side lengthsmust be 4 inches and 5 inches.