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Dmitrij [34]
3 years ago
15

1. Evaluate 7m + 3mn; when m=8 and n=14?

Mathematics
1 answer:
FrozenT [24]3 years ago
3 0

Answer:

1. 392

2. 75

3. 12x^{2} - 5x -2

Step-by-step explanation:

1. 7×8 + 3×8×14 = 56 + 336 = 392

2. 675 ÷ (6 + 3) = 675 ÷ 9 = 75

3. 12x^{2} + 3x - 8x - 2 = 12x^{2} -5x-2

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Their total bill is $356.88. If they pay $220 in cash and charge the remainder, how much will they charge?
blondinia [14]

Answer:

$136.88

Step-by-step explanation:

$356.99

-$220.00

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$136.88

Therefore that would be the remainder.

Hope this helped : )

4 0
4 years ago
Read 2 more answers
Shanda says that 393 is rational. Allison and Franklin disagree with her. Allison says 393 is an integer while franklin says its
Mashutka [201]

Answer:

the answer is rational

Step-by-step explanation:

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8 0
3 years ago
(x−5) ^2 in expanded
Licemer1 [7]

Answer:

x^{2}-10x+25

Step-by-step explanation:

We can rewrite the question as (x-5)*(x-5).

Using the FOIL Method (First, Outside, Inside, Last):

x^{2}-5x-5x+25

This simplifies to x^{2}-10x+25

6 0
3 years ago
Read 2 more answers
Find the degree of the monomial.<br><br> -1.75k2
HACTEHA [7]

Answer:

The degree of this monomial is 2.

Step-by-step explanation:

This is because the degree of a monomial (or a polynomial, binomial) is equal to the degree (exponent) of the term in the monomial. In polynomials, it would be the degree of the term with the HIGHEST degree.

-1.75k^2

The exponent is two, so the degree is two.

Hope this helped!!!

7 0
3 years ago
Use Pascal’s Triangle to determine the fifth term of the expansion of (x + 3)7
ValentinkaMS [17]

Answer:

2835x^5.

Step-by-step explanation:

By Binomial Theorem, T(r+1) = nCr * a^(r+1) * b^r.

Term 5 = 7C4 * x^5 * 3^4

= 35 * x^5 * 3^4

= 2835x^5.

7 0
3 years ago
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