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gavmur [86]
3 years ago
11

What is -0.9 as a fraction in simplest form

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
7 0
-0.9 as a fraction in simplest form is -\frac{9}{10}

Hope this helps :)
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Please choose the answer that describes the scientific notation for 3,134,000,000
topjm [15]

Answer:

= 3.134 × 10^9

(scientific notation)

= 3.134e9

(scientific e notation)

= 3.134 × 10^9

(engineering notation)

(billion; prefix giga- (G))

= 3134000000

(real number)

Step-by-step explanation:


6 0
3 years ago
Multiply 5x (-4x² + 2x -6)
leva [86]

Answer:

-48x^2

Step-by-step explanation:

7 0
3 years ago
Hurry I need the answers plz and how u got it
aleksley [76]

There are 122,100 public school teachers in Ohio and Ohio has a population of 11.6 million people. Illinois has a population of 12.9 million people. If the number of public school teachers per capita in Illinois was proportional to that of Ohio, how many public school teachers would we expect Illinois to have?

This problem uses proportionality or the relationship between two values. Typically, proportions are expressed as fractions. So, we can set this up as

\frac{Teachers}{Population} and we can use this to express both of our values. So, for Ohio, we have \frac{122,100}{11,600,000} and for Illinois we have \frac{x}{12,900,900}. Now, because they are proportional, we can set them equal to each other and we get \frac{122,100}{11,600,00} = \frac{x}{12,900,000}. Now we can cross multiply to get $11,600,000x=1446090000000$ . To get the $x$ alone on one side, we divide by$11,600,000$ and we get 124,662.931034, which is about equal to 124,663.

Therefore, we expect Illinois to have 124,663 public school teachers

4 0
3 years ago
In 3a + b - 12 Name The Coefficients.<br> A) 3<br> B )3 , 1 , 12<br> C) 3, 1<br> D) a , b
emmainna [20.7K]

Answer:

A) 3

Step-by-step explanation:

The coefficient is a number next to a variable so 3 would be the answer.

3 0
3 years ago
Read 2 more answers
What is the interquartile range of this set of data? 15,19,20,25,31,38,41
cupoosta [38]

Answer: 19.

Step-by-step explanation:

1: Place your numbers in numerical order from smallest to largest; 15,19,20,25,31,38,41.

2. Find your median in the set of numbers; 15,19,20,25,31,38,41.

3. Find Q1 and Q3 in your set of numbers by placing parentheses around the median you have just found. (15,19,20),25,(31,38,41.)

4. In this instance, you need to find the medians of the two number sets in parentheses; (15,19,20),  19 being Q1, and (31,38,41), 38 being Q3.

5. Using the interquartile range formula; Q3-Q1= IQR, plug in your numbers.

38-19=19, making the answer 19.

7 0
3 years ago
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