3 years ago

What is the answer to my question?

Mathematics

1 answer:

leonid [27]3 years ago

6 0

Answer: 0

Step-by-step explanation:

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When I think of a number, double it, then add 7, I get 25. What number did I think of? ( Hint: Let the number be x)o

vivado [14]

Hey there!

The answer is $9$

We will start by forming an equation to solve this.

So we are starting with a number, $x$ , then doubling it and adding $7$ , which gives us 25.

So:

$2x+7=25$

Now we solve this equation:

$2x+7=25$

$2x=18$

$x=9$

Have a super awesome day!

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3 years ago

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marusya05 [52]

That would be 8.50 times 12.5 which is $106.25

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So my problem says 'Nisha wants to study 5 hours for the spelling bee. If she studies 1/3 hour per night, how many nights will s

photoshop1234 [79]

Forgive me if I am wrong but it should be 15 hours. If she only studies 1/3 an hour a night it would take 3 1/3 nights so you'd just multiply 3 by 5. If that makes any sense. Sorry not to good at explaining things ;(

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4 years ago

Use the quadratic formula to find the solutions to the quadratic equation below 2x2 - 3x + 6 = 0

Katarina [22]

Answer:

$x=\frac{3}{4} +i\frac{\sqrt{39}}{4}, x=\frac{3}{4} -i\frac{\sqrt{39}}{4}\\$

x=\frac{3}{4} ±i\frac{\sqrt{39}}{4}\\

Step-by-step explanation:

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