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mixas84 [53]
3 years ago
12

2x+3=5x-42 what is the number that belongs in the green box

Mathematics
1 answer:
nikklg [1K]3 years ago
8 0
Objective: Solve 2x + 3 = 5x - 42 for x.

Step 1: Subtract 3 from both sides.

2x + 3 = 5x - 42
2x = 5x - 45

Step 2: Subtract 5x from both sides.

2x = 5x - 45
-3x = -45

Step 4: Divide both sides by -3.

-3x = -45
x = 15

Answer:
x = 15
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There are 70 historical fiction books in the school library. Historical fiction books make up 1/10 of the library's collection.
Gre4nikov [31]

Answer:

There are 700 books in Library Collections.

Step-by-step explanation:

Given:

Number of historical books = 70

The equation used to find the totals number of books in library collection.

\frac{1}{10}b = 70

where b⇒ Total number of books in library collections.

We need to find the Total number of books in library collections.

Solution:

\frac{1}{10}b = 70

Now by solving the above equation we get;

First we will multiply both side by 10 we get;

\frac{1}{10}b \times 10= 70\times 10\\\\b =700

Hence there are 700 books in Library Collections.

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HELLO! HOPE YOURE HAVING A GREAT DAY

your answer is C!



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nikklg [1K]

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I hope this helped^.^

May i have brainliest? ^.^

Have a great day buddy! ~hailey

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What is the probability of tossing a penny and landing on heads 3 times in a row
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Suppose you have a fair coin: this means it has a 50% chance of landing heads up and a 50% chance of landing tails up. Suppose you flip it three times and these flips are independent. What is the probability that it lands heads up, then tails up, then heads up? So the answer is 1/8, or 12.5%.

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