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Leni [432]
3 years ago
14

A manufacturer of graphing calculators has determined that 12,500 calculators per week will be sold at a price of $97. at a pric

e of $92, it is estimated that 14,400 calculators would be sold. determine a linear function that will predict the number of calculators y that would be sold at a given price x use this model to predict the number of calculators that would be sold at 75
Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0

Answer: S= 400x + 10000, 18,000

Step-by-step explanation:

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Emma borrowed $312 from her sister. She determines that she can pay her back in thirteen months worth of allowance. What effect
gulaghasi [49]

Answer:

This repayment will ultimately reduce her monthly bank account balance

Step-by-step explanation:

This repayment will ultimately reduce her monthly bank account balance. That is because the steady monthly income that Emma would normally receive to her bank account will be taken out of her account and sent to her sister's account. This will continue to occur for 13 months until Emma pays back the $312 that she borrowed from her sister. Once the 13 months are over and her debt is paid, her monthly bank balance will return to normal and begin increasing as her income payments get deposited.

7 0
2 years ago
10. Shown is a circle centre o
Aleksandr [31]

Answer:

.

Step-by-step explanation:

6 0
3 years ago
Mathematically verify the outlier(s) in the data set using the 1.5 rule.
statuscvo [17]

Given:

The data values are:

7, 8, 11, 13, 14, 14, 14, 15, 16, 16, 18, 19

To find:

The outliers of the given data set.

Solution:

We have,

7, 8, 11, 13, 14, 14, 14, 15, 16, 16, 18, 19

Divide the data set in two equal parts.

(7, 8, 11, 13, 14, 14), (14, 15, 16, 16, 18, 19)

Divide each parenthesis in two equal parts.

(7, 8, 11), (13, 14, 14), (14, 15, 16), (16, 18, 19)

Now,

Q_1=\dfrac{11+13}{2}

Q_1=\dfrac{24}{2}

Q_1=12

And

Q_3=\dfrac{16+16}{2}

Q_3=\dfrac{32}{2}

Q_3=16

The interquartile range is:

IQR=Q_3-Q_1

IQR=16-12

IQR=4

The data values lies outside the interval [Q_1-1.5IQR,Q_3+1.5IQR] are known as outliers.

[Q_1-1.5IQR,Q_3+1.5IQR]=[12-1.5(4),16+1.5(4)]

[Q_1-1.5IQR,Q_3+1.5IQR]=[12-6,16+6]

[Q_1-1.5IQR,Q_3+1.5IQR]=[6,22]

All the data values lie in the interval [6,22]. So, there are no outliers.

Hence, the correct option is 4.

3 0
3 years ago
If x= -2 what is the value of -5x + 8x/4 + 7
Andrej [43]

Answer:

13

Step-by-step explanation:

Hope This Helps!

Plz Mark Brainliest!

3 0
3 years ago
Read 2 more answers
1.Find n. 2. Find n. 3.Find n. 4.Find n. <br> 2/9 = 14/n 12/18 = n/36 30/38 = 15/n 60/66 = n/22
Stels [109]

Step-by-step explanation:

cross multiply all equations seperately

1,n=63

2.n=24

3.n=19

4.n=20

7 0
3 years ago
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