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Taya2010 [7]
3 years ago
5

your family is driving to the beach. you travel 200kilometers in the first two hour. during the next hour you stop for lunch and

only travel 25 kilometers. What is your average speed?
Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:

8

Step-by-step explanation:

You might be interested in
Determine the equation of the tangent line to the given path at the specified value of t. (sin(7t), cos(7t), 2t9/2); t=1
Reptile [31]

Answer:

P(t) = {sin7, cos7, 2} + (7cos7, -7sin7, 9)(t-1)

Step-by-step explanation:

The equation of the tangent line to the given path at the specified value of t is expressed as;

P(t) = f(t0) + f'(t0)(t - t0)

f(t0) = (sin(7t), cos(7t), 2t^9/2)

at t0 = 1;

f(t0) = {sin7(1), cos7(1), 2(1)^9/2}

f(t0) = {sin7, cos7, 2}

f'(t0) = (7cos7t, -7sin7t, 9/2{2t^9/2-1}

f'(t0) = (7cos7t, -7sin7t, 9t^7/2}

If t0 = 1

f'(1) = (7cos7(1), -7sin7(1), 9(1)^7/2)

f'(1) =(7cos7, -7sin7, 9)

Substituting the given function into the tangent equation will give:

P(t) = f(t0) + f'(t0)(t - t0)

P(t)= {sin7, cos7, 2} + (7cos7, -7sin7, 9)(t-1)

The final expression gives the equation of the tangent line to the path.

4 0
3 years ago
I dont have a question for this. look at the photo​
Artemon [7]

Answer:

first is no second is yes third is no fourth is yes

Step-by-step explanation:

I'm not sure btw

7 0
2 years ago
NO LINKS NO FILES!!!! Please.
Maurinko [17]

Answer:

N

Step-by-step explanation:

the first 3 is the x value, or the horizontal line value, and the second 3 is the y value, or the vertical line value.

3 0
3 years ago
Read 2 more answers
3a+a+2a-5a? <br><br><br> Can someone give me the answer please? <br><br> Ty
Shkiper50 [21]

Answer:

a

Step-by-step explanation:

=3a + a + 2a - 5a

=4a - 3a

= a

hope it helps u tate!

5 0
2 years ago
Read 2 more answers
What is an equation of a line in point slope form that passes through the points (7,-8) and (-4,6)?
maw [93]

y=kx+b

for (7,-8): -8=7k+b. (function 1)

for (-4,6): 6=-4k+b (function 2)

Use function 2 - function 1

we get: 14=-11k

k=-14/11------>slope is -14/11

Now we know that first two options are wrong since they have the wrong slope for the function.

Plus -14/11 back to function 1/ or 2. Both are correct and can give you the answer. In this case I would plug it back to function 2.

6=14*4/11+b

b=66/11-56/11

b=10/11

We get y=-14/11x+10/11

subtract both side by 6.

y-6=-14/11x+10/11-66/11

y-6=-14/11x-56/11

y-6=-14/11(x+4)

So C is correct

5 0
3 years ago
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