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2 years ago

4 7/8 + (-6 1/4) how do I find common denominators?

1 answer:

4 0

Find a number that both of the denominates make the same number for example if one denominator is 1/7 and the other is 2/6 then you

2/6 * 7 = 14 over 42 then the other one would be 1/7 *6 which would be 6 over 42 you find common denominators by finding a number both of the bottom ones can equal. hope this helps

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Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work

pochemuha

Answer:

idk hbu

Step-by-step explanation:

7 0

2 years ago

If i have 71% as a grade and i get 100% on a test and 100% on another test,what will be my final grade?

Vlada [557]

$\frac{71 + 100 + 100}{3}$

5 0

2 years ago

Enter the value if x+27

Sonja [21]

Answer:

Shown Below

Step-by-step explanation:

Alright so first off we are going to use the little 67 on that corner. We know that it's a supplementary angle, and supplementary angles add up to 180.

180 - 67 = 113.

Inside angles of a triangle all add up to 180. Using that we can create the equation:

(x + 27) + x + 113 = 180

simplify.

2x + 140 = 180

subtract 140 on both sides.

2x = 40

divide both sides by 2

x = 20

substitute x into the asked equation.

(20 + 27) = 47

47 is your answer.

7 0

1 year ago

The exam scores (out of 100 points) for all students taking an introductory Statistics course are used to construct the followin

ella [17]

Answer:

The inter quartile range is 55

Step-by-step explanation:

Interquartile range:-

Definition:-

The inter quartile range is the difference between the upper (Q3) and lower(Q1) quartiles, and describes the middle 50% of values when ordered from lowest to highest.

Interquartile range = higher quartile - lower quartile

given data 50.25.80.10

write the ascending order 10 25 50 80

Step:-1

Median:- The median is obtained by first arranging the data in ascending or descending order and applying the following rule.

If the number of observations is odd, then the median is

$({\frac{n+1}{2} })^{th}$ observations

Step2:-

The median is obtained by first arranging the data in ascending or descending order and applying the following rule.

If the number of observations is even, then the median is $({\frac{n}{2} })^{th}$

$({\frac{n+1}{2} })^{th}$

In given data the number of observations is '4'(even)

If the number of observations is even, then the median is $({\frac{n}{2} })^{th}$

$({\frac{n+1}{2} })^{th}$

median is $({\frac{4}{2} })^{th}$ is 2 observations and $({\frac{4+1}{2} })^{th}$ is 2.5 observations.

so we have to select average of these two observations.

therefore the median is '3' observation

median of the given data = 50

Step:3

Interquartile range = higher quartile - lower quartile

= 80-25

=55

3 0

2 years ago

Find the roots of the polynomial equation x3 - 2x2 + 10x + 136 = 0

Neporo4naja [7]

Answer: x=-4,3+5x; 3,-5x

step-by-step explanation: I just used ,athway. this is what is told me. i hope this helps

5 0

2 years ago