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3 years ago

100 FR33 Points ,mfmdkfejfjernfjnwfj

Mathematics

2 answers:

mario62 [17]3 years ago

5 0

I want some plssfdjurxh

Ede4ka [16]3 years ago

3 0

Answer:

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Step-by-step explanation:

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Malik invests money in an account paying simple interest. He invests $80 and no money is added or removed from the investment. A

xeze [42]

Answer:

Step-by-step explanation:

The interest earned on the investment is the difference between the end-of-year value and the initial value:

$83.20 -80 = $3.20 . . . . simple interest per year

The interest rate is the ratio of this to the initial investment:

$3.20/$80.00 = 0.04 = 4% . . . . . simple interest rate per year

4 0

2 years ago

I need help with this math problem <br> -3(4x-5)=123h

Otrada [13]

The answer to your question is h=-4/41x+5/41

4 0

3 years ago

What is the slope of the line that contains (-10,-8) (-4,40)

mart [117]

Answer:

y = 8x + 72

Step-by-step explanation:

3 0

3 years ago

Which set of four test scores would have the biggest difference between the mean and the median? A. 32, 85, 89, 91, 92, 92 B. 72

postnew [5]

Answer:

A. 32, 85, 89, 91, 92, 92

Step-by-step explanation:

A. 32, 85, 89, 91, 92, 92

Mean

$\bar{x}=\dfrac{32+85+89+91+92+92}{6}\\\Rightarrow \bar{x}=80.167$

Since the number of scores is 6 which is an even number the median will be of the form $\dfrac{x_{n/2}+x_{(n/2)+1}}{2}$

Median

$\dfrac{89+91}{2}=90$

Difference of mean and median = $|80.167-90|=9.83$

B. 72, 78, 79, 80, 82, 82

Mean

$\bar{x}=\dfrac{72+78+79+80+82+82}{6}\\\Rightarrow \bar{x}=78.83$

Median

$\dfrac{79+80}{2}=79.5$

Difference of mean and median = $|78.83-79.5|=0.67$

C. 65, 70, 75, 80, 85, 90

Mean

$\bar{x}=\dfrac{65+70+75+80+85+90}{6}\\\Rightarrow \bar{x}=77.5$

Median

$\dfrac{75+80}{2}=77.5$

Difference of mean and median = $|77.5-77.5|=0$

D. 30, 34, 39, 41, 48, 50

$\bar{x}=\dfrac{30+34+39+41+48+50}{6}\\\Rightarrow \bar{x}=40.33$

Median

$\dfrac{39+41}{2}=40$

Difference of mean and median = $|40.33-40|=0.33$

So, A has the maximum difference of 9.83 between the mean and the median.

6 0

3 years ago

Can you help me please?

PSYCHO15rus [73]

Answer:

The answer is no,because different inputs (number of pounds of bananas) will have different output(costs)

5 0

3 years ago