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3 years ago

3) 5.6 + 0.18 - x = 0.4x

Mathematics

1 answer:

AlekseyPX3 years ago

7 0

Answer: x=4.128571

Step-by-step explanation:

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U = { x | x is the name of one of the states of in the US}

leva [86]

Answer:

n(P') = 49
n(A' ∪ N) = 46
n(I' ∩ O') = 43
n(P∩N) = 0

Step-by-step explanation:

We can start with some helpful facts:

n(U) = 50
n(A) = 4
n(I) = 4
n(P) = 1
n(N) = 8
n(O) = 3

and all subsets are mutually exclusive.

n(P') = n(U) -n(P) = 50 -1 = 49

n(A' ∪ N) = n(A') = n(U) -n(A) = 50 -4 = 46

n(I' ∩ O') = n(U) -n(I) -n(O) = 50 -4 -3 = 43

n(P∩N) = 0 . . . . no states begin with the letter P and also with the letter N.

_____

For reference, here is a list of the relevant states:

{Alabama, Alaska, Arizona, Arkansas, Idaho, Illinois, Indiana, Iowa, Nebraska, Nevada, NewHampshire, NewJersey, NewMexico, NewYork, NorthCarolina, NorthDakota, Ohio, Oklahoma, Oregon, Pennsylvania}

3 0

3 years ago

A large van is being used for a picnic. There will be 8 people riding in the van, and there are 8 seats in the van (one of which

Julli [10]

Answer:

The people can seat themselves in 20160 different ways.

Step-by-step explanation:

Arrangements of n elements:

The number of arrangements of n elements is given by the following formula:

$A_{n} = n!$

In this question:

For the first seat, that is, the driver seat, 4 possible people can sit.

For the remaining 7 seats, the number of ways in which the people can sit is an arrangement of 7 elements. So

$T = 4*7! = 4*5040 = 20160$

The people can seat themselves in 20160 different ways.

6 0

3 years ago

What is the value of the expression below when simplified?<br><br> 4[5(3 − 1)]2 − 23

Setler [38]

Simplify the expression.
57
Hope this helps! :)
Happy New Year!

7 0

3 years ago

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35 POINTS: TRIGONOMETRY: Find each side marked with a letter. All lengths are in centimetres. kindly include the working since I

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

4 0

3 years ago

If you save $3,000 at an interest rate of

juin [17]

Amount earned in compound interest = P(1 + r)^n; where P is the principal, r is the rate and n is the number of periods.

Amount = 3,000(1 + 14%)^6 = 3,000(1 + 0.14)^6 = 3,000(1.14)^6 = $6,584.91

7 0

3 years ago

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