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alekssr [168]
2 years ago
9

Four times a number added to 9 times the number is 65. What is the number?

Mathematics
2 answers:
MA_775_DIABLO [31]2 years ago
6 0

Answer: 5

Step-by-step explanation:

Let the number = x.

4x + 9x = 65

13x = 65

x = 5

noname [10]2 years ago
5 0

Answer:

5

Step-by-step explanation:

Let n represent the number. We can use this to set up an equation:

4n+9n=65

Combine like terms:

13n=65

Divide both sides by 13

n=5

The number is 5.

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3 years ago
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Write an equation that has the solution x = −2
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Answer:

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Step-by-step explanation:

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3 years ago
What is the solution to the inequality
Dvinal [7]

Answer:

p > 5 and p <-8

Step-by-step explanation:

To solve this, you first need to isolate p.

First add 6 on both sides of the equation:

-6 + |2p+3| >7\\\\(+6) -6 + |2p+3| >7 +6\\\\2p + 3 > 13

Then subtract 3 from both sides of the equation.

2p+3-3>13-3\\\\2p > 10\\

The divide both sides by 2.

\dfrac{2p}{2}>\dfrac{10}{2}\\\\p>5

Another solution is possible because of the absolute value.

If |2p+3|>13

Then |2p+3|

<em>Thus we can solve the second solution:</em>

|2p+3|

2p+3

Isolate P again by subtracting both sides by 3

2p+3-3

2p

Then divide both sides by 2:

\dfrac{2p}{2}

p

3 0
3 years ago
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Frank has a 2-digit number on his baseball uniform. the number is a multiple of 10 and has 3 for one its factors. what three num
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2 years ago
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