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Luden [163]
3 years ago
13

Can anyone help please? No links cause I can’t see them.

Mathematics
1 answer:
tamaranim1 [39]3 years ago
5 0

Answer:

Step-by-step explanation:

you have a right triangle with the hypotenuse of 41 and another side of 40

a=\sqrt{41^2-40^2}=\sqrt{1681-1600}=\sqrt{81}

a=9

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A bank account earns interest at a rate of 3.5% per year (in other words it increases in value by that percent) and starts with
Oduvanchick [21]

Answer:

Annually cumulating interest can be determined by the following formula:

W=P(1+r)^y

r represents the interest rate as a decimal, and P represents the starting amount of money.

Step-by-step explanation:

7 0
3 years ago
Surface area of a cylinder with a diameter of 14 and height is 9
Setler79 [48]
The radius is 7 if the diam. is 14.  We can find the surface area (without top or bottom areas) by finding the circumference of the base and then multiplying it by the height:

C=pi*d = pi(14); height = 9.  Then the surface area of the side(s) is 14(pi)(9).

If you wish to include the areas of the top and bottom of the cylinder, add 
2(pi)r^2 = 2(pi)(7)^2.

6 0
3 years ago
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
Wassup guys back at it again with another question, I need u guys to BacKmEuP on this one so I need this one done help me pls.
yan [13]
I believe it would be the last answer. All you have to do is the pencil test to see if its negative or positive slope.
4 0
3 years ago
What is the direct variation equation if Y varies directly with X and Y equals negative 12 when X equal 6
soldi70 [24.7K]

Step-by-step explanation:

y = kx, where k is a real constant.

When x = 6, y = -12:

(-12) = (6)k

Therefore k = -2.

Hence y = -2x.

5 0
3 years ago
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