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murzikaleks [220]
3 years ago
5

Helppp! (m−3+4n)⋅(−8)

Mathematics
1 answer:
-BARSIC- [3]3 years ago
4 0

Answer:

-8m + 3 - 32n

Step-by-step explanation:

Distributive Property

-8m + 3 - 32n

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1² x 1/4m² x (-6)ml find the product<br>​
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Answer:

-1.5 m2

Step-by-step explanation:

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Marc has 45 books on his bookshelf, and Corinna has 61. If Marc buys 4 new books each month and Corinna buys 2 new books each mo
luda_lava [24]
Call x as the number of months that Marc and Corinna have the same number of book.
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Cal's go cart has a gas tank with the dimensions shown below. He uses a gas can that holds 1 liter of gas, to fill the go cart t
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Step-by-step explanation:

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3 years ago
At the school cafeteria, you can get 3 slices of pizza for $5.94. At this rate, how much would 7 slices cost, in dollars and cen
gavmur [86]

Answer:

$13.86

Step-by-step explanation:

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8 0
2 years ago
If the expression $3^1 times 9^2 times 27^3 \times 81^4 is simplified to the form 3^n, what is the value of n?
Darina [25.2K]

Answer:

n=30

Step-by-step explanation:

Given expression:

3^1\times 9^2\times 27^3\times 81^4

The given expression needs to be simplified to the form 3^n

Applying the exponents rule to simplify.

3^1\times 9^2\times 27^3\times 81^4

Writing all numbers as product of 3.

⇒ 3^1\times (3\times3)^2\times (3\times3\times3)^3\times (3\times3\times3\times3)^4

Writing each in exponents form.

⇒ 3^1\times (3^2)^2\times (3^3)^3\times (3^4)^4

Using power of a power rule [\ (a^x)^y=a^{xy}\ ]

⇒ 3^1\times 3^4\times 3^9\times 3^16

Using multiplication rule of exponents [\ a^x\times a^y=a^{x+y}\ ]

⇒ 3^{1+4+9+16}

⇒ 3^{30}

So we have 3^n=3^{30}

∴ n=30

8 0
2 years ago
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