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3 years ago

15

Select the correct answer. What is the equation of the line that has a slope of 3 and goes through the point (-3,-5)? A. y = 3x

+ 4 B. y = 3x − 14 C. y = 3x − 4 D. y = 3x + 12

1 answer:

kodGreya [7K]3 years ago

6 0

Answer:

y = 3x + 4

Step-by-step explanation:

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Could someone help me

Mekhanik [1.2K]

Answer:

the third one and the last one is correct

Step-by-step explanation:

we already know the second one is wrong because of it's set up.

just replace the points (-1,7) into each equation. if it doesn't work then move on to the next one. if it does work, then use that same equation except this time to the coordinates (2,4)

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3 years ago

Find T, N, and B for the curve at the indicated point. [HINT: After finding T', plug in the specific value for t before computin

lyudmila [28]

Answer:

Step-by-step explanation:

Given that

$r(t) = (t,t,e^t)$

To find tangent, normal and binormal vectors at (0,0,1)

i) Tangent vector

$r'(t) = (1,1,e^t)\\$

At the particular point, r'(t) = (1,1,e)

Tangent vector = $\frac{r'(t)}{||r'(t)||} \\=\frac{(1,1,e)}{\sqrt{1+1+e^2} } \\=\frac{(1,1,e)}{\sqrt{2+e^2} }$

ii) Normal vector

T'(t) = $(0,0,e^t)\\$

At that point T'(t) = (0,0,e)/e = (0,0,1)

iii) Binormal

B(t) = TX N

= $\left[\begin{array}{ccc}i&j&k\\1&1&e^t\\0&0&e^t\end{array}\right] \\= e^t(i-j)$

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4 years ago

NEED HELP PLEASE IM BEGGING YOU !!!!

Viefleur [7K]

Answer:

I think that it is c or a

Step-by-step explanation:

i have no explanation i just think that it is c or a

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3 years ago

You have the following coins in your pocket: 5 quarters, 6 dimes, 2 nickels, and 12 pennies. What is the probability you will dr

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Answer:

Step-by-step explanation:

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Rachel cut a whole banana into 6 pieces and then ate all the pieces. She put a point on a number line to show how much she ate.

qwelly [4]

1/1????????????? maybe

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3 years ago