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Mekhanik [1.2K]
3 years ago
7

PLEASE HELP ME BRANNIEST

Mathematics
1 answer:
velikii [3]3 years ago
6 0

\text{The point-slope form}\\\\y-y_1=m(x-x_1)\\\\m-slope\\------------------------\\k:y=m_1x+b_1\\\\l:y=m_2x+b_2\\\\l\ \perp\ l\iff m_1m_2=-1\\\\\text{We have}\\\\y-3=-4(x+5)\to m_1=-4\\\\y=mx+b\to-4m=-1\qquad\text{divide both sides by (-4)}\\\\m=\dfrac{1}{4}\\\\\text{We have the point (-5, 7) and the slope. Substitute:}\\\\y-7=\dfrac{1}{4}(x-(-5))\\\\Answer:\ \boxed{y-7=\dfrac{1}{4}(x+5)}\to\boxed{C.}

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I neeed helppp please help me
r-ruslan [8.4K]

Answers:

  • A) The equation is d = 2t
  • B) Independent variable = time; dependent variable = amount of cookies

=========================================================

Explanation:

The independent variable is always long the horizontal axis. Often this is x, but we are using t in this case.

The variable t represents the amount of time in minutes. For instance, t = 2 means 2 minutes have elapsed. At this time, 4 cookies have been eaten as shown by the point (2,4). As another example, the point (3,6) means that d = 6 cookies have been eaten at time t = 3 minutes.

The equation is d = 2t because the '2' represents the rate of change of "eating 2 cookies per minute". Whatever the time value (t) is, we double it to get the value of d, which is the number of cookies eaten.

6 0
3 years ago
A rocket is launched from a hill above a lake. The rocket will fall into the lake after exploding at its maximum height. The roc
KonstantinChe [14]

Step-by-step explanation:

g(x)= -16x² + 72x + 80

Plug 2 in to check if it's correct.

g(2)= -16(2)² + 72(2) + 80

-16(4)+128+80

-72+128+80

= 136

4 0
2 years ago
PLeAsE HeLp Someone​
liq [111]

Answer:

yes

Step-by-step explanation:

the answer its 5

5 0
3 years ago
You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance a
stiks02 [169]

X+17.92+15.33=72.31

                        -17.92

                        -15.33

x= 39.06

The amount you started with was $39.06.

Hope this helps ;}

6 0
3 years ago
Read 2 more answers
Factor <img src="https://tex.z-dn.net/?f=36x%5E%7B4%7D%20-4y%5E%7B2%7D" id="TexFormula1" title="36x^{4} -4y^{2}" alt="36x^{4} -4
irinina [24]
Sorry for the hand writing. But you want to factor out a 4y^2 which will result in (9y^2-1). Then you will factor out the equation in parentheses to (3y-1)(3y+1). Don’t forget to put the 4y^2 out front!

8 0
3 years ago
Read 2 more answers
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