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GarryVolchara [31]
3 years ago
15

Josephine has nine chemistry books, three history books, and eight statistics books. She wants to choose one book of each type t

o study. In how many ways can she choose the three books?
Mathematics
1 answer:
ikadub [295]3 years ago
7 0

Answer:

20

Step-by-step explanation: add them all together

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The states C and D spend a total of ​$54.6 million for tourism. The state C spends ​$2 million more than the state D. Find the a
Roman55 [17]

State C spent $28.3 million and State D spent $26.3 million.

Step-by-step explanation:

Total spent for tourism = $54.6 million

Let,

The amount spent by State C = x

The amount spent by State D = y

According to given statement;

x+y = 54.6    Eqn 1

x=y+2    Eqn 2

Putting value of x from Eqn 2 in Eqn 1

(y+2)+y-54.6\\y+2+y=54.6\\2y=54.6-2\\2y=52.6\\

Dividing both sides by 2

\frac{2y}{2}=\frac{52.6}{2}\\y=26.3

Putting y=26.3 in Eqn 2

x=26.3+2\\x=28.3\\

State C spent $28.3 million and State D spent $26.3 million.

Keywords: linear equations, substitution method

Learn more about linear equations at:

  • brainly.com/question/6459599
  • brainly.com/question/6649771

#LearnwithBrainly

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Aisha is buying corn seed packs sold in boxes of 100. She has 400 packs, but she needs a total of 600
devlian [24]
That means she need to buy 2 packs of 100.
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Which linear inequality represents the solution set graphed?
SCORPION-xisa [38]
The answer is B I agree with him/her
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Find the indicated side of the<br> right triangle.<br> 45°<br> 6<br> 45°<br> 1<br> x<br> X = ?1
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