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butalik [34]
3 years ago
14

Four less than twice a number is fifty

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0

Answer:

2a - 4 = 50

Step-by-step explanation:

Less than means that you subtract 4.

Twice a number just means that you multiply a number by 2.

And we know that all of that equals 50.

If you want to solve it..

2a - 4 = 50

    +4     +4

-----------------

2a = 54

Divide both sides by 2. 54/2 = 27

a = 27

juin [17]3 years ago
3 0

Answer:

28

Step-by-step explanation:

50+4= 54

54/2=28

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marta [7]

Answer:

2.20752 x 10^{24}

Step-by-step explanation:

The first thing you have to do is to look for the number of seconds in one year. You have to multiply 365 days by 86,400 seconds.

  • 365 days refer to the total number of days per year
  • 86,400 seconds refer to the number of seconds per day

Let's solve.

  • 365 x 86,400 = 31,536,000 or 3.1536 x 10^{7}

<em>Therefore, one year has 3.1536 x </em>10^{7}<em> seconds.</em>

Next, you have to know the number of seconds in 10 billion years.

  • (3.1536 x 10^{7}) x  (1.0 x 10^{10}) = 3.1536 x 10^{17}

The last step is to multiply the number of seconds in 10 billion years to 7 million tons of mass per second.

  • (3.1536 x 10^{17}) x 7,000,000 = 2.20752 x 10^{24}
6 0
3 years ago
Solve: | −2n | + 10 = −50<br><br><br> (Find Solution)
CaHeK987 [17]

Answer:

No Solution

Step-by-step explanation:

| −2n | + 10 = −50

Subtract 10 on both sides

|-2n|+10-10=-50-10

Simplify

|-2n=|=-60

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4 0
3 years ago
2.25k - 20 = 6.5k + 14<br><br><br> plsssssssssssss
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Answer:

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Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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Jack collected 1350 pounds of waste paper for recycling today. If he decided to collect 24% more pounds of waste paper tomorrow,
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324 pounds

24% = \frac{24}{100} = 0.24

0.24 × 1350 = 324 pounds

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4 years ago
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