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Alona [7]
2 years ago
6

Find the midpoint of (-5,12) and (3,-6)

Mathematics
2 answers:
exis [7]2 years ago
7 0

Answer:

mid point: (4,5)

hope that helps :)

Step-by-step explanation:

natka813 [3]2 years ago
3 0
For the first one it’s 3.5 and the second one is -1.5 hope it helps!
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A scientific calculator has 42 buttons. There are twice as many grey buttons as orange buttons. There are two more white buttons
Arlecino [84]

Answer:

x + 2x + 2x + 2 + 4x + 4 = 42

Step-by-step explanation:

Let us assume the number of orange buttons be x

So, the grey buttons be 2x

The white buttons would be 2x + 2

And the black buttons be 2(2x + 2) i.e. 4x + 4

Also the total is 42 buttons

So, the equation is

x + 2x + 2x + 2 + 4x + 4 = 42

5 0
3 years ago
What is the product of 5 and four more than a number is nine times the number. What's the number?
Korvikt [17]

Answer:

The number is 5.

Step-by-step explanation:

The product of 5 and 4 more than a number = 9 times the number

Let the number be x;

5(4 + x) = 9x

20 + 5x = 9x

4x = 20

x = 20/5

x = 5.

4 0
2 years ago
Complete the point slope equation of the line through (-5, 7) and (-4, 0).​
IgorLugansk [536]

For this case we have that by definition, the point-slope equation of a line is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have two points:

(x_ {1}, y_ {1}): (- 5,7)\\(x_ {2}, y_ {2}): (- 4,0)

We found the slope:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} =  \frac {0-7} {- 4 - (- 5)} = \frac {-7} {-4 + 5} = \frac {-7} {1} = - 7

Thus, the equation is of the form:

y = -7x + b

We substitute one of the points and find "b":

0 = -7 (-4) + b\\0 = 28 + b\\b = -28

Finally, the equation is:

y = -7x-28

Answer:

y = -7x-28

5 0
3 years ago
Which shows the correct substitution of the values ab and c from the equation 0 = - 3x ^ 2 - 2x + 6 into the quadrati formula?
scZoUnD [109]

The answer would look something like this:

\frac{2+-\sqrt{2^{2}-4(-3)(6) }}{2(-3)}

There could also have a simplified version.

I hope this helps.

7 0
3 years ago
How do you multiply a fraction by a whole number
morpeh [17]
Assuming the +'s are actually x's  1/2 of 3 is 1.5 and 1.5 divided by 7 is 1.5/7.(answer is 1.5/7) hopefully I'm right.
4 0
3 years ago
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