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Irina-Kira [14]
3 years ago
11

Help me pleaseeeeeee:)

Mathematics
1 answer:
Tpy6a [65]3 years ago
7 0
46 degrees bc it’s close to 45 but it has .1
cm ahead
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What is the equation of a vertical line passing through the point (3, 5)?
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D. x=3
I don't really know how to explain it other than the only points on the line are sitting at the x=3 and y=anything
7 0
3 years ago
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2x-5y=3 4y-x=-3 solve by elimination
loris [4]

Answer:

x = -1 and y = -1

Step-by-step explanation:

to solve this equation we say

let

2x-5y=3.......................................... equation 1

4y-x=-3............................................equation 2

from equation 2

4y-x=-3............................................equation 2

4y + 3 = x

i.e

x = 4y + 3 .............................................  equation 3

put x = 4y + 3 in equation 1

2(4y +3) - 5y = 3

8y + 6 -5y = 3

3y +6 = 3

3y= 3-6

3y -3

divide both sides by the coefficient  of y  which is 3

3y/3 = -3/3

y = -1

put y = -1 into equation 3

x = 4y + 3 .............................................  equation 3

x = 4(-1) + 3

x = -4 + 3

x = -1

therefore the value of x = -1 and y = -1 respectively

4 0
3 years ago
How many solutions does the following equation have?
RoseWind [281]

Answer:

There will be No solution for the equation 9x - 4 = - 3x + 5 + 12x. Option B is correct.

Step-by-step explanation:

We need to determine how many solutions the equation 9x - 4 = - 3x + 5 + 12x have.

Solving the equation and finding the solutions

9x - 4 = - 3x + 5 + 12x

Combining like terms, Moving 3x and 12x to left side of equality and changing their signs and moving 4 on right side of equation and changing sign.

9x +3x-12x =  5 + 4

Simplifying

12x-12x =  9\\0=9

Solving the equation we get 0=9 which is false. So, there will be No solution for the equation 9x - 4 = - 3x + 5 + 12x. Option B is correct.

5 0
2 years ago
Which table represents exponential growth?
son4ous [18]

Answer:

Table 2

1 2

2 4

3 8

4 16

Step-by-step explanation:

The equation for this function can be written as

y = 2^x

This is exponential growth

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3 years ago
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ElenaW [278]

Answer:

Step-by-step explanation:

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2 years ago
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