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3 years ago

A line with slope -2 and y-intercept 4 enter the equation of the line in slope intercept form.

Mathematics

1 answer:

Hitman42 [59]3 years ago

4 0

-2x + 4 = y because the slope intercept form is mx+b=y

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Step-by-step explanation:

distance = 20km

time = 30 min conver to hours. $30min(\frac{1h}{60min})=0.5h$

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2 years ago

If f (x) = x+5, g(x) =2x-3, h(x) =2×2 +7 x, -15, i(x) =x+2 find h(4)<br>

max2010maxim [7]

Answer:

h(4)=17

Step-by-step explanation:

Since we are just looking for h(4), all the other equations can be ignored. Then we replace the x in the equation with 4. Remember to do the multiplication before adding the numbers together according to PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction)

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3 years ago

Select the two values of x that are roots of this equation x2+3x-3=0

givi [52]

Answer:

x= (-3i-√3)/2

x= (3i+√3)/2

Step-by-step explanation:

you have to use the quadratic formula which is (-b±√b^2+4ac)/2(a)

a=1

b=3

c= -3

when you plug the numbers into the formula, you get a negative in the square root, so you have to bring out an Imaginary number which is i and connect it with your -b value.

in this case, you only have to switch out the plus and the minus strictly because of the imaginary number

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3 years ago