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vlabodo [156]
3 years ago
12

-6x+4y=-18 -x-y=2 solve by subsitution

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
5 0

Point Form: (1, -3)

Equation Form: x = 1 , y = -3

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Your father will be going to your grandparents house for dinner.He drives 40 minutws at a constant soeed of 30 miles per houer.H
lorasvet [3.4K]

40 minutes is 2/3 of an hour.

30 miles per hour x 2/3 hour = 20 miles.

30 minutes = 1/2 hour.

60 miles per hour x 1/2 hour = 30 miles.

Total = 20 + 30 = 50 miles.

4 0
4 years ago
Evaluate the following limit.
Rus_ich [418]

Answer:

-191

Step-by-step explanation:

A limit is the value that a function approaches as the input approaches some value.

We say \displaystyle \lim_{x\rightarrow a}f(x)=L if f(x) approaches to L as x approaches to a.

To find:\displaystyle \lim_{x\rightarrow -4}2x^3-4x^2+2x+9

Solution:

Let f(x)=2x^3-4x^2+2x+9

On putting x = -4 in function f(x)=2x^3-4x^2+2x+9, we get

\displaystyle \lim_{x\rightarrow -4}2x^3-4x^2+2x+9\\=2(-4)^3-4(-4)^2+2(-4)+9\\=2(-64)-4(16)-8+9\\=-128-64-8+9\\=-128-63\\=-191

7 0
3 years ago
Which graph best represents the equation x+2y=4
RUDIKE [14]
You didn’t show a picture of the graph, although the equation would be y=-1/2x+2
so every two x spaces forward you should go down one y space and the y should start at 2 when x = 0
3 0
4 years ago
Read 2 more answers
How many 2-letter words can be made from the letters MATH if
gtnhenbr [62]

Answer:

ham

tam

mat

hat

at

ha

am

ma

Step-by-step explanation:

7 0
4 years ago
What is the value of x?
Fittoniya [83]

Answer:

x=17

Step-by-step explanation:

we know the sum of angles in atriangle is 180°

x +17 + 4x -34 +6x +10 = 180

x+4x+6x +17 -34 +10 = 180

11x -7 =180

11x = 180 +7

x = 187/11 = 17

4 0
3 years ago
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