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Feliz [49]
3 years ago
9

0.1 (0.5 + 6) = 2 I thank you a million who ever helps me

Mathematics
1 answer:
Damm [24]3 years ago
6 0

Answer:

m = 28

Step-by-step explanation:

Simplifying

0.1(0.5m + 6) = 2

Reorder the terms:

0.1(6 + 0.5m) = 2

(6 * 0.1 + 0.5m * 0.1) = 2

(0.6 + 0.05m) = 2

Solving

0.6 + 0.05m = 2

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-0.6' to each side of the equation.

0.6 + -0.6 + 0.05m = 2 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0

0.0 + 0.05m = 2 + -0.6

0.05m = 2 + -0.6

Combine like terms: 2 + -0.6 = 1.4

0.05m = 1.4

Divide each side by '0.05'.

m = 28

Simplifying

m = 28

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A snail crawled 7 miles in 8.4 hours. At this speed, how long would it take the snail to crawl 10 miles?
Angelina_Jolie [31]

Answer:

12 hours

Step-by-step explanation:

Let's set the speed as "s".

Remember that distance = speed * time

So, plugging the numbers given...

7 = s * 8.4

Divide both sides by 8.4

s = 5/6

Now, plug this into the distance = speed * time, with the distance being 10. Set the time as "t"

10 = 5/6 * t

Divide both sides by 5/6

12 = t

So, it would take 12 hours for the snail to crawl 10 miles.

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3 years ago
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Find the sale price to the nearest cent.<br><br> $140 coat; 10% discount
mrs_skeptik [129]

Answer:

126

Step-by-step explanation:

140*10%

change to decimal:

140*.10

14 dollars off original price

140 - 14 = 126

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3 years ago
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Tell the decimal number that is the best estimate of the fraction 29 over 40. Explain your reasoning.
Ipatiy [6.2K]

Answer:

Step-by-step explanation:

29/40

29 ÷ 40

the answer is 0.725 all you have to do is divide the numerator by the denominator

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Negitive 7 over 18 minus negitive 9 over 4 equals?​
Inessa [10]

Answer:

1 31/36 is your answer

Step-by-step explanation:

Find common denominators. Note that what you do to the denominator, you must do to the numerator;

(-7/18)(2/2) = (-14/36)

(-9/4)(9/9) = (-81/36)

Combine the terms:

(-14/36) - (-81/36)

Note that two negative signs directly next to each other equals a positive sign.

(-14/36) + 81/36

-14/36 + 81/36

(-14 + 81)/36

Combine like terms. Solve the parenthesis:

(67)/36

Change to a mixed fraction:

(67/36) = 1 31/36

1 31/36 is your answer.

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Answer: A and D

Step-by-step explanation:

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