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mrs_skeptik [129]
2 years ago
14

The sum of the digits of a certain three-digit number is 12. If the hundreds digit is three times the

Mathematics
1 answer:
Elena-2011 [213]2 years ago
7 0

Answer:

624

Step-by-step explanation:

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What is the sum of the expressions for n=-2n=−2 and m=5m=5 ?
Liula [17]

Answer:

- 43

Step-by-step explanation:

Expression: (3m+2n−6) and (−4−6m+7n)

n= -2 and m=5

Before inserting the values, let's add both expressions.

(3m+2n−6)  + (−4−6m+7n)

3m+2n−6   −4 − 6m + 7n

-3m + 9n - 10

Inserting the values;

-3(5) + 9(-2) - 10

-15 - 18 -10

- 43

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3 years ago
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cupoosta [38]

Answer:

3. (6 : -8)

4. (2 : -6)

5. (7 : -6)

Step-by-step explanation:

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2 years ago
If you had to pick one, algebra with finance or consumer math? I’m in high school.
kodGreya [7K]

Answer:

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Step-by-step explanation:

5 0
2 years ago
What is the simplest form of the expression (–12.7y – 3.1x) + 5.9y – (4.2y + x)?
Doss [256]

Answer:

<h2>-11y - 4.1x</h2>

Step-by-step explanation:

(-12.7y-3.1x)+5.9y-(4.2y+x)\\\\=-12.7y-3.1x+5.9y-4.2y-x\qquad\text{combine like terms}\\\\=(-12.7y+5.9y-4.2y)+(-3.1x-x)\\\\=-11y-4.1x

7 0
3 years ago
Read 2 more answers
What is 45=m(25)+b solving for m
STatiana [176]

Answer:

\frac{45-b}{25}

Step-by-step explanation:

given

45 = 25m + b ( isolate the term in m by subtracting b from both sides )

45 - b = 25m ← divide both sides by 25

\frac{45-b}{25} = m

7 0
3 years ago
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