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2 years ago

13

(100 POINTS WILL MARK BRAINLIEST FOR ACTUAL ANWSERS) Write an equation in standard form of the ellipse with vertices (0,-2) and

(8,-2), and a focus located at (7,-2)

1 answer:

Rainbow [258]2 years ago

5 0

Answer:

(x-4)^2 / 16 + (y+2)^2 / 7 = 1 or 7x^2-56x+16y^2+64y+64=0

Step-by-step explanation:

Either one should be right I think. Hope this helps.

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A particle moves with velocity function v(t) = 2t^2 - 3t - 3, with v measured in feet per second and t measured in seconds. Find

SashulF [63]

V(t) = 2t^2 - 3t - 3

for an acceleration a(t),
a(t) = d (v(t)) / d t
a(t) = 4t - 3

at t=2
a(2) = 8 - 3
a(2) = 5 feet/s^2

3 0

2 years ago

Derek says that the quotient of -2/7 divided by -2/21 is -1/3. Part A: What is the correct quotient? Part B: What mistake did De

Thepotemich [5.8K]

Answer:

The correct quotient is 3.

I think Derek has mistaken to divide $-\frac{2}{21}$ by $\frac{2}{7}$ .

Step-by-step explanation:

We have to check the quotient of $(-\frac{2}{7}) \textrm{ divided by }(-\frac{2}{21})$ .

Part A:

Now, $(-\frac{2}{7}) \textrm{ divided by }(-\frac{2}{21})$ .

= $\frac{-\frac{2}{7} }{-\frac{2}{21} } =3$

So, the correct quotient is 3.

Part B:

Derek says that the quotient is $-\frac{1}{3}$ .

So, I think Derek has mistaken to divide $-\frac{2}{21}$ by $\frac{2}{7}$ . (Answer)

8 0

2 years ago

A toy car accelerates from rest to a velocity of 4.3 m/s. It does this over a time of 4 seconds. What is the car's acceleration?

Oxana [17]

Answer:

it will be 8.3 seconds try to add

4 0

2 years ago

Pls give me the answer asap I'll give the crown thingy

wolverine [178]

Answer:

Step-by-step explanation:

150 -12.2 -rounded

350 -18.4.

add or subtract

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2 years ago

a computer and printer cost a total of $1236. the cost of the computer is three times the cost of the printer. find the cost of

Goshia [24]

Printer $309 Computer $927

p+3p=1,236

4p=1,236

p=309

309x3=927

309+927=1,236

8 0

2 years ago