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3 years ago

(-6.9), (7, -9) find the slope

Mathematics

2 answers:

Andrej [43]3 years ago

8 0

Answer:

$m=-\frac{18}{13}$

Step-by-step explanation:

Use the slope formula to find the slope m.

Slope between two points: $Slope=\frac{y_{2}-y_1 }{x_2-x_2}$

$(x_1,y_1)=(-6,9),(x_2,y_2),=(7,-9)$

$m=\frac{-9-9}{7-(-6)}$

Refine.

$m=-\frac{18}{13}$

trasher [3.6K]3 years ago

6 0

Answer:

if you are using point slope formula it will be y = − 6.9 x + 39.3

Step-by-step explanation:

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3 years ago

What values complete each statement?

aliya0001 [1]

For this case we have:

By properties of the radicals $\sqrt {a} = a ^{\frac {1} {2}}$

So:

$(\sqrt {7}) ^ 2 = (7 ^ {\frac {1} {2}}) ^ 2$ .

Now, for power properties we have:

$(b ^ {\frac {c} {d}}) ^ e = b ^ {\frac {c * e} {d}}$

Thus, $(7 ^ {\frac {1} {2}}) ^ 2 = 7 ^ {\frac {2} {2}} = 7$

So:

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Answer:

$(\sqrt {7}) ^ 2 = (7 ^ {\frac {1} {2}}) ^ 2= 7 ^ {\frac {2} {2}} = 7$ in its simplest form.

$7 ^ {\frac {1} {2}} = \sqrt {7}$ in its radical form

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3 years ago

Simplify the following expression (30/45g+20)-(8/9g+7)

Nata [24]

117 - 2g

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3 years ago

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A group of adults plus one child attend a movie at a movie theater. Tickets cost $9 for adults and $3 for children. The total co

dmitriy555 [2]

Answer:

There are 6 adults. My mistake! I had the wrong equation. 3 + 9a = 57.

Step-by-step explanation:

There is only 1 child in the group.
Cost for children is 3$.
The cost for adults is 9$.
9 * 6 = 54
3 * 1 = 3
3 + 9a = 57
Simplify:
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3 years ago

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