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Debora [2.8K]
4 years ago
15

If the sum of a number and three is doubled​, the result is two less than the number. Find the number.

Mathematics
1 answer:
jeyben [28]4 years ago
5 0

Answer:

-8

Step-by-step explanation:

Let the number equal n

2 (n+3)=n-2

2n +6 = n-2

n=-8

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a country's population in 1992 was 72 million in 1998 it was 76 million estimate the population in 2012
garik1379 [7]
If it gained 4 million people every 6 years, then the gain PER year would be 1.5 million. from 1992 to 2012 is 10 years. So, 1.5 times 10 is 15. 72 + 15 =87.

Your answer is 87 million.
6 0
4 years ago
9. What is 74 as a mixed number? ​
Fittoniya [83]

Answer:

Here we will show you how to convert the improper fraction 74/9 to a mixed number (aka mixed fraction). We start by setting up the fraction below.

   74  

   9  

Step 1 - Find Whole Number

Calculate out how many times the denominator goes into the numerator. To do that, divide 74 by 9 and keep only what is to the left of the decimal point:

74 / 9 = 8.2222 = 8

Step 2 - Find New Numerator

Multiply the answer from Step 1 by the denominator and deduct that from the original numerator.

74 - (9 x 8) = 2

Step 3 - Get Solution

Keep the original denominator and use the answers from Step 1 and Step 2 to get the answer. 74/9 as a mixed number is:

8

   2  

   9  

Improper Fraction To Mixed Number Converter

74/9 as a mixed number is not the only problem we solved. Go here to convert another improper fraction to a mixed number.

What is 74/10 as a Mixed Number?

Here is the next improper fraction on our list that we converted to a mixed number.

6 0
4 years ago
How do I simplify −9(3−4w)−8w
laiz [17]
Multiply out the bracket so
-27 + 36w - 8w
Then collect the terms so
-27 + 28w

Answer = - 27 + 28w
3 0
3 years ago
Read 2 more answers
Identify the slope in y=-1/3x + 2<br><br> Hint: y = mx + b<br> 1. -1/3<br> 2. 2<br> 3. -2/3<br> 4. 1
scZoUnD [109]

Answer:

A) -1/3

Step-by-step explanation:

y = mx + b

    m = slope

    b = y-intercept

y = -1/3x + 2

    m = -1/3

3 0
3 years ago
7/10+(-5/6) reduced proper or improper fraction
Likurg_2 [28]

Answer:

Step-by-step explanation:

7/10 + (-5/6) =

7/10 - 5/6 =

21/30 - 25/30 =

- 4/30 which reduces to -2/15 <== reduced proper fraction

4 0
3 years ago
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