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MrRa [10]
3 years ago
12

I am thinking of a number.... When I divide my number by 2 and add 1, I get 13. What is my number?

Mathematics
2 answers:
dedylja [7]3 years ago
8 0

Answer:

Dude go to photomath

Step-by-step explanation:

It's easy

wariber [46]3 years ago
7 0

Answer:

24

Step-by-step explanation:

24 divided by 2 is 12, adding 1 to 12 would get 13. Hope this helped!!

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Find an equation for a line<br> perpendicular to y= 3x – 5 , with a y-<br> intercept of -2
damaskus [11]

Answer:

Since the lines are Perpendicular..

The Product of their Gradients = -1

m'm"=-1

m' from y=3x - 5 is 3

3.m" = -1

m" = -1/3.

Since Intercept on y axis = -2...

That of x at that point is =0

y-y' = m"(x-x")

y-(-2) = -1/3( x - 0)

y+2 = -1/3(x)

Multiplying through by 3

3y + 6 = -x

3y + x = -6. This is your Equation

To verify this.

Let's turn it into the Intercept form which is

x/a + y/b = 1

To get 1 at the right hand side... Divide through by -6

3y/-6 + x/-6 = 1

y/-2 - x/6 = 1

You could see directly below y is its intercept and thats -2

8 0
3 years ago
What is the distance between (-4,-8) and (-4,0) round to the nearest tenth if needed​
mixer [17]

Answer:

8

Step-by-step explanation:

Distance between x coordinates: 0 units

Distance between y coordinates: 8 units

sqrt(0^2+8^2)

8 units

6 0
3 years ago
Aye help me please :)
mina [271]

Answer:

there's no solution.

Step-by-step explanation:

if y = 3x -4 then use this instead of y in the second equation

9x -3(3x+4) = 14 ➡9x-9x -12 = 14 9x will eliminate -9x and -12 can't be = 14 so there's no solution

4 0
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Answer:

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Step-by-step explanation:

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3 years ago
Let f(x)=2^(x) and g(x)=2^(x+3)
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Answer:

Step-by-step explanation:

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