MATHEMATICS COLLEGE

HURRY PLEASE!A new health drink has 170% of the recommended daily allowance (RDA) for a certain vitamin. The
RDA for this vitamin is 40 mg. How many milligrams of the vitamin are in the drink?
There are mg of the vitamin in the drink.

Answers

Answer 1
Answer:

Answer:

it is 68

Step-by-step explanation:

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Find the standard deviation of the following data. Round your answer to one decimal place. x 0 1 2 3 4 5 P(X

Answers

Answer:

\sigma = 1.8

Step-by-step explanation:

Given

\begin{array}{ccccccc}x & {0} & {1} & {2} & {3} & {4}& {5} \ \n P(x) & {0.2} & {0.1} & {0.1} & {0.2} & {0.2}& {0.2} \ \end{array}

Required

The standard deviation

First, calculate the expected value E(x)

E(x) = \sum x * P(x)

So, we have:

E(x) = 0 * 0.2 + 1 * 0.1 + 2 * 0.1 + 3 * 0.2 + 4 * 0.2 + 5 * 0.2

E(x) = 2.7

Next, calculate E(x^2)

E(x^2) = \sum x^2 * P(x)

So, we have:

E(x^2) = 0^2 * 0.2 + 1^2 * 0.1 + 2^2 * 0.1 + 3^2 * 0.2 + 4^2 * 0.2 + 5^2 * 0.2

E(x^2) = 10.5

The standard deviation is:

\sigma = √(E(x^2) - (E(x))^2)

\sigma = √(10.5 - 2.7^2)

\sigma = √(10.5 - 7.29)

\sigma = √(3.21)

\sigma = 1.8 --- approximated

In a triangle HIJ, h = 40 cm, ZJ=20° and ZH=93º. Find the length ofj, to the nearestcentimeter

Answers

Answer:

triangle ZJ=20°

Step-by-step explanation:

I think correct it

Answer:

14

Step-by-step explanation:

13.7 ---------------14

The management of the unico department store has decided to enclose an 834 ft2 area outside the building for displaying potted plants and flowers. one side will be formed by the external wall of the store, two sides will be constructed of pine boards, and the fourth side will be made of galvanized steel fencing. if the pine board fencing costs $6/running foot and the steel fencing costs $3/running foot, determine the dimensions of the enclosure that can be erected at minimum cost. (round your answers to one decimal place.)

Answers

The area is given by:
 A = x * y = 834
 The cost equation is given by:
 C = 6 * (2x) + 3 * (y)
 We express the equation in terms of a variable:
 C (x) = 6 * (2x) + 3 * (834 / x)
 Rewriting:
 C (x) = 12x + 2502 / x
 We derive the equation:
 C '(x) = 12 - 2502 / x ^ 2
 We match zero:
 0 = 12 - 2502 / x ^ 2
 We clear x:
 x = root ((2502) / (12))
 x = 14.4 feet
 We look for the other dimension:
 y = 834 / x
 y = 834 / 14.4
 y = 57.9 feet
 Answer:
 The dimensions of the enclosure that can be erected at minimum cost are:
 x = 14.4 feet
 y = 57.9 feet

Is 1 greater than 1?​

Answers

Answer:

no it is equal cause they are the same number

Step-by-step explanation:

What is 3 divided by 80

Answers

0.0375 did you mean 80÷3 if so 26.6

Find atleast 5 numbers between 1/2 and 1/3

Answers

0.4 0.345 0.429 0.377 0.448
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