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lorasvet [3.4K]
3 years ago
8

Solve: 2m - 8 = -m + 10

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
6 0

Step-by-step explanation:

2m+m=10+8

3m=18 /3

M=6

Dimas [21]3 years ago
5 0

Step-by-step explanation:

2m - 8 =  - m + 10 \\ 2m + m = 10 + 8 \\  3m = 18 \\  \frac{3m}{3}  =  \frac{18}{3}  \\ m = 6

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An online furniture store sells chairs for $200 each and tables for 166o ach. Every
ladessa [460]

Answer:

15 tables

Step-by-step explanation:

Chairs = $200

Tables = $600

Maximum items = 39

Minimum sales = $13,000

If 20 chairs are sold, revenue is $4,000. At least $9,000 in additional revenue is required. To earn $9,000, a minimum of 15 tables would need to be sold, which is fine since a maximum of 19 tables is permitted to be sold.

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3 years ago
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Step-by-step explanation:

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Evaluate the expression below using the properties of operations. Show your steps.−36 ÷ 14 ⋅ (−18) ⋅ (−3) ÷ 6
s2008m [1.1K]

Answer:

(-162)/7 or -23 1/7 as mixed fraction

Step-by-step explanation:

Simplify the following:

(-36)/14 (-18) (-3)/6

Hint: | Express (-36)/14 (-18) (-3)/6 as a single fraction.

(-36)/14 (-18) (-3)/6 = (-36 (-18) (-3))/(14×6):

(-36 (-18) (-3))/(14×6)

Hint: | In (-36 (-18) (-3))/(14×6), divide -18 in the numerator by 6 in the denominator.

(-18)/6 = (6 (-3))/6 = -3:

(-36-3 (-3))/14

Hint: | In (-36 (-3) (-3))/14, the numbers -36 in the numerator and 14 in the denominator have gcd greater than one.

The gcd of -36 and 14 is 2, so (-36 (-3) (-3))/14 = ((2 (-18)) (-3) (-3))/(2×7) = 2/2×(-18 (-3) (-3))/7 = (-18 (-3) (-3))/7:

(-18 (-3) (-3))/7

Hint: | Multiply -18 and -3 together.

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(54 (-3))/7

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3 0
3 years ago
How do you write 19,830 in scientific notation? _____× 10^_____
pshichka [43]

Answer:

1.983(10⁴)

Step-by-step explanation:

Since we need to have ones and decimals as proper scientific notation, we have 1.983. Since we need the value of 19830, we need to move the decimal place 4 places to the right, so our exponent is 4.

*I double checked my work this time.

8 0
3 years ago
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Solve (10b+7b^2-6b^3)-(12b^2-3b^3)
MrRa [10]

Answer:

-3b³ - 5b² + 10b

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define Expression</u>

(10b + 7b² - 6b³) - (12b² - 3b³)

<u>Step 2: Simplify</u>

  1. Distribute negative:                   10b + 7b² - 6b³ - 12b² + 3b³
  2. Combine like terms (b³):            -3b³ + 10b + 7b² - 12b²
  3. Combine like terms (b²):            -3b³ - 5b² + 10b
3 0
3 years ago
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