Please someone help me I need help with this right now

Mathematics

1 answer:

ExtremeBDS [4]3 years ago

5 0

Answer:

Its b

Step-by-step explanation:

Slope intercept form is y=mx+b the m is your x and the b is your y so wen u plug the 3 and 4 in you should get y=4x+3

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Different problem same topic please help

BlackZzzverrR [31]

Answer:

see below

Step-by-step explanation:

y = 5x - 31

y = mx + b

where m = slope

slope of a parallel line = 5

slope of a perpendicular line = - 1/5

7 0

3 years ago

What is the solution to y + 8.5 = 17.2? y = 25.7 y = -25.7 y = -8.7 y = 8.7

olya-2409 [2.1K]

Answer:

y =8.7

Step-by-step explanation:

y + 8.5 = 17.2

Subtract 8.5 from each side

y +8.5 -8.5 = 17.2 -8.5

y =8.7

8 0

3 years ago

Read 2 more answers

Ana can finish a certain job in 10 hours. Together, Ana and Nina can finish the same job in 3 hours. How many hours can Nina fin

Over [174]

Answer: 4.5 hours

<u>Step-by-step explanation:</u>

$Ana: \dfrac{1}{10}\ \text{job per hour}\\\\Nina: \dfrac{1}{x}\ \text{job per hour}\\\\Together: \dfrac{1}{3}\ \text{job per hour}\\\\\\Ana + Nina = Together\\\dfrac{1}{10}\quad +\dfrac{1}{x}\quad =\quad \dfrac{1}{3}\\\\\\\dfrac{1}{10}(30x)+\dfrac{1}{x}(30x) =\dfrac{1}{3}(30x)\\\\\\\rightarrow\quad 3x+30=10x\\\\.\quad 3x+30=10x\\\underline{-3x\qquad \quad -3x\quad}\\.\qquad \quad 30=7x\\\\.\qquad \quad \dfrac{30}{7}=\dfrac{7x}{7}\\\\\\.\qquad \quad \dfrac{30}{7}=x$