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motikmotik
3 years ago
11

Find the equation for the tangent plane and the normal line at the point

Mathematics
1 answer:
hodyreva [135]3 years ago
7 0
X =9 had the samw question on sat

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Please help !! <br><br> 25 points !!!
EastWind [94]

Answer:

30

Step-by-step explanation:

70-40=30

8 0
3 years ago
What is 24/4 as a whole number
stiks02 [169]
4 fits into 24 6 times so 24/4 written as a whole number is 6! I hope this helped :D
7 0
3 years ago
How old am I if 500 reduced by 2 times my age is 388
Nimfa-mama [501]
Remember you can do anything to an equation as long as you do it to both sides
a=age

500 reduced by 2 times a is equal to 388

500-2a=388
minus 500 both sides
-2a=-112
divide both sides by -2
a=56

you are 56
4 0
3 years ago
How old is the expanded notation method work
Akimi4 [234]
Well, 
For example 

2.34 * 10^6 will be....
2,340,000
It is because if you have the positive powers, you move your decimal to the right. In this case the power is 6 so you move your decimal to the right 6 times. 
Here's another example

1.23 X 10^-2 
The answer will be 0.0123 because you move your decimal two the left two times. The power is negative 2 so you move it to the left.

Final tips: If you have positive power, move it to the right and if you have negative power, move it to the left.
3 0
3 years ago
Consider random samples of size 80 drawn from population A with proportion 0.48 and random samples of size 66 drawn from populat
gogolik [260]

Answer:

Standard error = 0.070

Step-by-step explanation:

Formula for the standard error of the distribution of differences in sample proportions is;

σ_(A - B) = √((p_a^(1 - p_a^)/n_a) + (p_b^(1 - p_b^)/n_b))

We are given;

p_a^ = 0.48

n_a = 80

p_b^ = 0.13

n_b = 66

Thus;

σ_(A - B) = √((0.48(1 - 0.48)/80) + (0.14(1 - 0.13)/66))

σ_(A - B) = √0.00496545455

σ_(A - B) = 0.070

5 0
3 years ago
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