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Mathematics

1 answer:

Ierofanga [76]3 years ago

6 0

Answer:

D. Point Y should be 8 inches from point A

Step-by-step explanation:

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9(m - 3) + 3m = 7m + 43

frozen [14]

$\begin{gathered} 9(m-3)+3m=7m+43 \\ \text{Multiply the parenthesis by 9 and you have} \\ \\ (9\times m-9\times\lbrack-3\rbrack)+3m=7m+43 \\ \text{Next you have} \\ 9m-27+3m=7m+43 \\ \text{Note that the 9 multiplies the m to get 9m,} \\ \text{and the 9 also multiplies the negative 3 to arrive at negative 27.} \\ \text{After applying 9 to open the parenthesis, you now have } \\ 9m-27+3m=7m+43 \\ \text{You collect like terms. In this case all expressions that have m are like terms} \\ \text{The ones that does not have m are also like terms but, separate} \\ \text{Collect like terms with m on to the left hand side} \\ 9m+3m-7m=43+27 \\ \text{Note that whenever a positive number moves over across the sign of equality,} \\ it\text{ becomes a negative number and vice versa.} \\ \text{Hence 7m has moved and now becomes -7m} \\ \text{Also -27 has moved and now becomes +27} \\ 9m+3m-7m=43+27 \\ 5m=70 \\ \text{Divide both sides by 5 to eliminate it from the left side} \\ \text{and hence m would now stand alone} \\ \frac{5m}{5}=\frac{70}{5} \\ m=14 \end{gathered}$

5 0

2 years ago

Evaluate 4(x - 3) + 5x - x^2 for x = 3 <br>A. 2 <br>B. -6 <br>C. 6<br>D. -2

ipn [44]

Answer:

C) x=6...

Step-by-step explanation:

hope this helps...

3 0

3 years ago

If an event is very unlikely to occur would it’s probability be zero

tigry1 [53]

Answer: No

Step-by-step explanation:

An event that cannot possibly happen has a probability of zero. If there is a chance that an event will happen, then its probability is between zero and 1. Thus, an unlikley event would be a low probability, not 0

5 0

3 years ago

There are 35 times as many students at Wow University as teachers. When all the students and teachers are seated in the 8544 sea

vekshin1

Answer:

C. 8296

Step-by-step explanation: