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Colt1911 [192]
2 years ago
11

consider a politician discussion group consisting of eight Democrats three Republicans and seven Independents suppose that two g

roup members are randomly selected in succession to attend political convention find the probability of selecting an independent and then a Democrat
Mathematics
1 answer:
Pavel [41]2 years ago
4 0

Answer:

(38.8%...7/10), than (47%...8/17) I didnt know if u needrd it in fraction or percent.

Step-by-step explanation:

You want to first add up everyone. So in total there are 18 people.

There is than a 38.8% chance that a independent will be picked first. 7/18.

But since one person was picked already you have to subtract 1 person from the total, so now its out of 17.

There is now a 47% chance that a democrat will be picked next. 8/17.

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Add -2x^4+x^2-x-9 and x^4-x^3-5x+3
eimsori [14]

Answer:

Your solution would be -1x^4 - 1x^3 + x^2 - 6x - 6.

Step-by-step explanation:

5 0
2 years ago
Aaron bought a set of plastic ice cubes with a mixture of water and air inside.
LekaFEV [45]

Answer:

Volume of water and air is 3,000 mm³

Step-by-step explanation:

Given:

Length of base = 15 mm

Width of base = 20 mm

Height of figure = 30 mm

Find:

Volume of water and air is inside each of the plastic ice cubes.

Computation:

Height of each rectangular pyramid = Height of figure / 2

Height of each rectangular pyramid = 30 / 2

Height of each rectangular pyramid = 15 mm

Volume of each rectangular pyramid = lbh / 3

Volume of each rectangular pyramid = [15 × 20 × 15] / 3

Volume of each rectangular pyramid = [4,500] / 3

Volume of each rectangular pyramid = 1,500 mm³

Volume of water and air is inside each of the plastic ice cubes = 2 × Volume of each rectangular pyramid

Volume of water and air is inside each of the plastic ice cubes = 2 × 1,500

Volume of water and air is inside each of the plastic ice cubes = 3,000 mm³

6 0
3 years ago
Please simplify the question
ch4aika [34]

Answer: 11

Explanation: You did everything right in terms of the steps you took. It looks like you accidentally wrote "1" instead of "-4" as the answer to "2(-2)".

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7 0
2 years ago
Reduce to simplest form. -\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)=− 8 7 ​ −(− 6 5 ​ )=minus, start fraction, 7, divided by, 8, e
slavikrds [6]

Answer:

-\dfrac{1}{24}

Step-by-step explanation:

We are required to reduce the expression below to its simplest form

-\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)

<u>STEP 1: </u>Remove the brackets

Take note that the product of same sign(- and -) will give you the addition sign.

-\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)=-\dfrac{7}{8}+\dfrac{5}{6}

<u>STEP 2:</u> Find the Lowest Common Multiple of 8 and 6

Lowest Common Multiple of 8 and 6 is 24

<u>STEP 3:</u> Use the LCM to Simplify

-\dfrac{7}{8}+\dfrac{5}{6}=\dfrac{(-3X7)+(5X4)}{24}\\=\dfrac{-21+20}{24}\\=\dfrac{-1}{24}\\=-\dfrac{1}{24}

Therefore:

-\dfrac{7}{8}-\left(-\dfrac{5}{6}\right)=-\dfrac{1}{24}

7 0
3 years ago
Read 2 more answers
Given the equation saque root of 2 x+1=3 solve for x
____ [38]

Answer:

x=7/2

Step-by-step explanation:

According to Statement,

√2(x+1)=3

Taking square on both sides,

2(x+1)=9

2x+2=9

2x=9-2

2x=7

x=7/2

5 0
3 years ago
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