3 years ago

Yeah can someone help me plz

Mathematics

1 answer:

erastovalidia [21]3 years ago

3 0

11. you do 3x3=9 then plus 9+2 = 12 then 12 x 12 = 144
sorry idk 10.

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Do the three points lie on one line?

padilas [110]

Answer:

Yes. No graph paper.

Step-by-step explanation:

Let's say the 3 points are A, B, C.

If A, B and C lie on one line then $m_{AB} = m_{BC} = m_{AC}$

$m_{AB} = \frac{y_{B}-y_{A} }{x_{B}-x_{A}} = \frac{2-6}{3-5} = \frac{-4}{-2} = 2\\m_{BC} = \frac{y_{C}-y_{B} }{x_{C}-x_{B}} = \frac{8-2}{6-3} = \frac{6}{3} = 2\\\\m_{AC} = \frac{y_{C}-y_{A} }{x_{C}-x_{A}} = \frac{8-6}{6-5} = \frac{2}{1} = 2\\\\$

Hence, they lie on one line.

You don't need to use a graph paper to prove it.

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1 year ago

Let g(x) = − x² + 4x + 5. Find g(p).

Vikentia [17]

That would be = -p^2+4p+4

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2 years ago

Solve the following equation for y.<br>x-5y=-18<br>

olganol [36]

Answer:

y=15x+185

Step-by-step explanation:

Step 1: Add -x to both sides.

x−5y+−x=−18+−x

−5y=−x−18

Step 2: Divide both sides by -5.

−5y−5=−x−18−5

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2 years ago

A spinner is spun once ( The spinner has 8 sections in it) What is the probability that the spinner will land on 5 or 7? A.8% B.

nordsb [41]

D. 25% as there are 8 sections and two wanted outcomes this can be simplified into a 1/4 so 1/4=25%

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Frank invested $1000 in an account with a 6% interest rate compounded annually. How much is the account after 3 years?

Wewaii [24]

I belive c is the corect awnser

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