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2 years ago

49 POINTS! PLEASE HELP ME! Explain your answer, thank you so much!

Mathematics

2 answers:

Alika [10]2 years ago

7 0

Answer:

y = 4x-3

Step-by-step explanation:

The equation for a line is

y= mx+b

where m is the slope and b is the y intercept

y = 4x-3

stealth61 [152]2 years ago

6 0

The slope = 4

y-intercept = -3

The equation of a line in slope intercept form is written as y=mx+b

where m is the slope and b is the y-intercept.

replace m and b with the given information:

The equation is: y = 4x-3

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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Write and solve an equa

MariettaO [177]

Answer:

Steven is 15 and one half years old now

Step-by-step explanation:

Linear equations

Sometimes we need to know the value of a variable in a given equation and that variable is given as a polynomial of degree 1. Solving for that variable means isolating it and replacing the other known values

Steven was 7 years old eight and one-half years ago. If we call x as the actual age of Steven, his age eight and one-half years ago was

$x-8\frac{1}{2}$

We know he was 7 years old then, so

$x-8\frac{1}{2}=7$

We need to know his actual age, so let's solve for x, adding $8\frac{1}{2}$ to each side of the equation

$x-8\frac{1}{2}+8\frac{1}{2}=7+8\frac{1}{2}$

Simplifying

$x=15\frac{1}{2}$

Steven is 15 and one half years old now

7 0

3 years ago

Enter the missing exponent. 9/49 = ( 3/7 )^

Deffense [45]

The missing exponent is 2

7 0

2 years ago

Someone please help... (needs work)

Gala2k [10]

............................

3 0

2 years ago

(x1,y1) is (-4,-2) and (x2,y2) is (2,4)

olga nikolaevna [1]

Answer:

y = x+2

Step-by-step explanation:

(x1,y1) is (-4,-2) and (x2,y2) is (2,4)

Slope intercept form is y = mx+b

m = slope

b = add on

Slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substitute numbers

Slope = $\frac{4-(-2)}{2-(-4)}$

Two negatives = one positive

Simplify

$Slope = \frac{4+2}{2+4}=\frac{6}{6}=1$

The slope is 1

We can substitute y, x, and the slope

4 = 2*1 + b

4 = 2+b

b = 2

Slope intercept form is y = mx+b

Answer is y = x+2

Hope this helps :)

6 0

2 years ago

What statement is true about f(x)=-2/3|x+4|-6?

grandymaker [24]

Answer: The graph of f(x) is horizontally stretched

7 0

2 years ago