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3 years ago

4. Find the total surface area.5.1 in.3 in.8.3 in.

Mathematics

1 answer:

maw [93]3 years ago

6 0

Answer:

Surface Area = 165.06 inches 2

Step-by-step explanation:

5.1 in.

3 in.

8.3 in.

Surface Area = 2×(5.1×3 + 5.1×8.3 + 3×8.3)

= 165.06 inches 2

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A ferris wheel is 10 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position

Murrr4er [49]

Answer:

The equation is:

f (t) = 4 + 5 (1 - cos (2pi t / 2))

Step-by-step explanation:

with the previous exercise we look for the equation for h = f (t)

So the data we have are

Wheel diameter = 10m (wheel radius = 5m)

1 wheel gets 1 revolution in 2 minutes.

the beginning of a entry will be related to that f (0) = 4

our wish is that f (z) get at least 4 with an amplitude of 5 (this value determines the radius of the wheel) for 2 minutes

with this the particle f (t) is transformed into

f (t) = 4 + 5 (1 - cos (2pi t / 2))

We know that the maximum value of cos in t will be 0, 1 -cos has minutes, the result will be as follows:

f (t) = 4 + 5 (1 - cos (2pi t / 2))

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3 years ago

1. Find the equation of the tangent to the curve y = x-1/x+1 at the point x = 2.

SOVA2 [1]

Chupapi Minton eisisisjenensjzjdjdjejsjsjzjzusss

7 0

3 years ago

Solve for d when t = 0, t = 3, t = 5 d = t2 asap

rjkz [21]

Answer:

see below

Step-by-step explanation:

d = t^2

t =0

d = 0^2 = 0

t =3

d = 3^2 = 9

t =5

d = 5^2 = 25

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3 years ago

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A stationary store has decided to accept a large shipment of ball-point pens if an inspection of 17 randomly selected pens yield

Leno4ka [110]

Answer:

0.762 = 76.2% probability that this shipment is accepted

Step-by-step explanation:

For each pen, there are only two possible outcomes. Either it is defective, or it is not. The probability of a pen being defective is independent from other pens. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

17 randomly selected pens

This means that $n = 17$

(a) Find the probability that this shipment is accepted if 10% of the total shipment is defective. (Use 3 decimal places.)

This is $P(X \leq 2)$ when $p = 0.1$ . So

$P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2)$

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{17,0}.(0.1)^{0}.(0.9)^{17} = 0.167$

$P(X = 1) = C_{17,1}.(0.1)^{1}.(0.9)^{16} = 0.315$

$P(X = 2) = C_{17,2}.(0.1)^{2}.(0.9)^{15} = 0.280$

$P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2) = 0.167 + 0.315 + 0.280 = 0.762$

0.762 = 76.2% probability that this shipment is accepted

8 0

4 years ago

A recipe requires 3 cups of flour to make 27 dinner rolls. How much flour is needed to make 9 rolls?

Rudik [331]

It takes 1 cup of flour.

8 0

3 years ago

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4. Find the total surface area.5.1 in.3 in.8.3 in.​

4. Find the total surface area.5.1 in.3 in.8.3 in.