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Ber [7]
3 years ago
8

Which of these numbers is a common factor of 18 and 42

Mathematics
2 answers:
jek_recluse [69]3 years ago
6 0
Please give more details on the choices. I will be glad to answer your question.
Gekata [30.6K]3 years ago
3 0
The common factor of 18 and 42 is six
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Given:
nine 5 pound bags 
distributed into 10-ounce bags

1 pound = 16 ounces

9 x 5 pounds = 45 pounds

45 pounds * 16 ounces/lbs = 45 * 16 oz = 720 ounces

720 ounces / 10 ounce bags = 720/10 = 72 bags.

The workers at the food pantry will be able to make 72 bags.
3 0
3 years ago
Solve the equation using square roots. x2 + 10 = 9
Oksana_A [137]
x^2 + 10 = 9

Subtract 10 from both sides.

x^2 = -1

Since the square of a number, x, equals a negative number, -1, the answer cannot be a real number because the square of a real number is always non-negative. Therefore, there is no real number solution to this equation.

Answer: <span>B. no real number solutions</span>
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3 years ago
The sum of three numbers is 21. Three times the smallest is 3 less than the largest, while the sum of the largest and smallest i
Lynna [10]
3, 6, 12
I guessed and checked. So if 3 is the smallest number, I would, multiply it by 3, which is 9. 9 is 3 less than the largest number which would be 12. 12 + 3 is 15. To find the third number, subtract 21 and 15 which is 6
7 0
3 years ago
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Lamar plans to watch 2 movies each month.write an equation represent the total number of movies n that he will watch I m moths
grandymaker [24]

Answer:

n=2m

Step by step:

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4 0
3 years ago
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4. I need help with question in the attached picture!
Arisa [49]

ANSWER

D. 13

EXPLANATION

We have

f(x) =  \frac{2x + 1}{x - 4}

To find

{f}^{ - 1} (3)

means we want to find an x-value whose image is 3.

\frac{2x + 1}{x - 4}  = 3

We cross multiply,

2x + 1 = 3(x - 4)

Expand:

2x + 1 = 3x - 12

Combine like terms,

3x - 2x = 12 + 1

x = 13

\therefore{f}^{ - 1} (3)= 13

4 0
3 years ago
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