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NISA [10]
3 years ago
5

For the expression: 4(2x-3) simplified I know it is 8x-12.

Mathematics
1 answer:
hram777 [196]3 years ago
8 0
When simplifying an expression, you collect and simplify all the like terms. Since 8x and -12 aren’t like terms, you can’t substract 8-12
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I really don't getting this
Neporo4naja [7]
All you need to do is insert -4 where the x is located in the functions.
 -4x^2 - 3x - 7
 -4(-4)^2 - 3(-4) - 7
-4(16) + 12 - 7
-64 + 12 - 7
-59
g(-4) = -59

5 0
3 years ago
What is the equation of the line that passes through the point (3,6) and has a slope of 4/3
Neko [114]

Answer:

y = 4/3x+2

Step-by-step explanation:

We can use the slope intercept form of the equation

y = mx+b

Where m is the slope and b is the y intercept

y= 4/3 x +b

Substitute the point into the equation

6 = 4/3(3) +b

6 = 4 +b

Subtract 4 from each side

2 = b

y = 4/3x+2

7 0
3 years ago
A box contains 2 plain pencils and 2 pens. A second box contains 1 color pencil and 3 crayons. One item from each box is chosen
Nitella [24]

I know the answer but I dont know how to describe it, sorry

6 0
3 years ago
A spinner is made of three equal sections blue green and red if I spend spend 180 times how many times I expect to get red as ou
ruslelena [56]
60 times

You have a 1/3 chance each spin.

1/3 = x/180
180 = 3x
x = 60
7 0
3 years ago
What is the equation of a line that passes through the point (2, 7) and is perpendicular to the line whose equation is y=x/4+5 ?
worty [1.4K]

Answer:

y = -4x+15

Step-by-step explanation:

y=x/4+5 may be presented as y = 1/4 x + 5, where a=1/4, b=5

swapping numerator and denominator and inserting an opposite sign in a=1/4, we have:

1/4 --------> 4/1 -------> -4/1 = -4

y = -4x+n

Point (2,7) means that x=2, y=7 substitute it to the equation y=-4x+n, calculate "n":

7=-4*2+n ------>    7=-8+n ------->   7+8 = n -------> 15=n

substituting n=15 to the equation y=-4x+n, we get finally y=-4x+15


8 0
3 years ago
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