11 5 over 8 into an improper fraction

Answers

Answer 1
Answer: 11 5/8 as a improper fraction 

1) Simplify Fraction 
⇒ Multiply denominator with whole number
8 x 11 = 88

Answer of multiplication and add the numerator 
88 + 5 = 93 

93/8 is improper Fraction. 
The fraction cant be simplified 
Answer 2
Answer: 11 5/8 
11 x 8 = 88 We multiply the whole number by the denominator 
88 + 5 = 93 We take the answer (88) and add that to 5, which equals 93.
The denominator stays the same, so you just place the 93 over 8
A= 93/8 


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If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?

Answers

I hope this helps you

The table below shows data from a survey about the amount of time students spend doing homework each week. The students were either in college or in high school:High Low Q1 Q3 IQR Median Mean σ
College 20 6 8 18 10 14 13.3 5.2
High School 20 3 5.5 16 10.5 11 11 5.4

Which of the choices below best describes how to measure the spread of this data?
A. Both spreads are best described with the IQR.
B. Both spreads are best described with the standard deviation.
C. The college spread is best described by the IQR. The high school spread is best described by the standard deviation.
D. The college spread is best described by the standard deviation. The high school spread is best described by the IQR.

Answers

Answer:

C. The college spread is best described by the IQR. The high school spread is best described by the standard deviation.

Step-by-step explanation:

If data is normally distributed we use Standard deviation otherwise we use Interquartile Range (IQR) for measuring the spread.

Further, data is said to be normally distributed if Mean = Median = Mode.

So, High School data is normally distributed but College data is not.

So, We measure the spread of College data by IQR and High School data by Standard Deviation.

Thus, Option C is the only correct option.

For f(x)=2x+1 and g(x)=x^2-7 find (f•g)(x)

Answers

(f•g)(x) = (2x+1) (x^2-7)
(f•g)(x) = 2x^3 + x^2- 14x  - 7

............................................

Answer:

^he right

Step-by-step explanation:

You've decided you want a plant for your room. At the gardening store, there are 4 different kinds of plants (tulip, fern, cactus, and ficus) and 4 different kinds of pots to hold the plants (clay pot, plastic pot, metal pot, and wood pot). If you randomly pick the plant and the pot, what is the probability that you won't get a clay pot or a cactus?

Answers

There are 4×4 = 16 different combinations of plant and pot. Of those, 7 are either clay pot or cactus. Thus the probability you won't get a clay pot or a cactuis is 9/16.

Answer:

9/16

Step-by-step explanation:

A prism has a surface area of 350 mm2.Find the surface area of a scaled image with a scale factor of 2.

Answers

Just put an exponent of '2' on the scale factor and multiply it by the surface area.

Scale factor = 2

\sf2^2\rightarrow4

Multiply it:

\sf350*4=1400~mm^2
You would mulitply the factor by itself
2^2 = 4

then you would multiply the surface area by 4 

350 x 4 = 1400 mm^2

Answer 1400 mm^2

If the ratio of the area of circle A to the area of circle B is 2 : 1, then how many times larger is the circumference of circle A than the circumference of circle B?

Answers

area A / area B = 2 / 1; => radius A / radius B = √(2);
circumference of circle A / circumfereance of circle B =  radius A / radius B = √(2) => √(2)≈1.41;