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PilotLPTM [1.2K]
3 years ago
15

If a number is doubled, and 16 is added to it, the result is 40. What is the number?

Mathematics
2 answers:
Nonamiya [84]3 years ago
7 0

Answer:

8

Step-by-step explanatio

skelet666 [1.2K]3 years ago
4 0

The correct answer is 12

Step 1: The answer is doubled, 12 x 2 = 24

Step 2: 24 + 16 = 40

Plz give me brainliest if it is correct

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Find the side length of triangle.
Llana [10]

Answer:

x=4

Step-by-step explanation:

Let's solve the equation:

3x+12=4x+8

12=4x-3x+8

12=x+8

12-8=x

4=x

x=4

The way i got this answer was by solving the equation using the following steps. Since you're solving for one side and have two different equations, put an equal sign in between the two equations to get the equation set up above. Then you need to have the x variable on one side, instead of both sides, so you take 3x and subtract it from both sides, leaving x on one side, because 4x-3x is equal to 1x, or just x. Then we need to have what is not attached to a variable on the other side to make it easier to solve, so you would need to subtract 8 from both sides to get rid of the 8 on the side with the variable, because if you subtract 12 from both sides, it will just make it more confusing to solve, and then 12-8 is equal to 4, so you get x is equal to 4.

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3 years ago
7/13 + (-4/13) the answer has to be in simplest form.
Digiron [165]

Answer:

short form:0.23 Long Form:0.23076923076

Step-by-step explanation:

8 0
3 years ago
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What would be the scientific notation of 10,200?
larisa86 [58]
It would be 1.02x10^4
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PLEASE ANSWER, I WILL MARK BRAINLYEST. IF YOU PUT AN ABSURD ANSWER I WILL REPORT. 50+ POINTS
puteri [66]

Answer:

The umbrella will fit in, but there will be a lot of extra room.

Step-by-step explanation:

Remember the Pythagorean theorem:

x^(2) + y^(2) = n^(2)

where "x" and "y" are the legs of the right triangle and "n" is the hypotenuse

In this problem it is given that the sides (legs) are:

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therefore we can form the equation:

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without solving it is clear that

38^(2) + 24^(2) > 29^(2)

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but because 38 > 29, then the 29 in umbrella will fit into the suitcase, but it will not be a snug fit, there will be a lot of extra room

8 0
3 years ago
Read 2 more answers
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