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Molodets [167]
2 years ago
8

A chapter begins on page 114 and ends on page 859. How many pages are in the chapter?

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
8 0
859-114=745 this the the number of pages
Usimov [2.4K]2 years ago
3 0
745, because u need to subtract both to find pages isolated
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Mary took 8 tests in science and received the following scores: 87,60,76,92,63,91,88,75
MariettaO [177]

Answers:

  • mean = 79
  • mode = none
  • median = 81.5

=================================================

Explanation:

To get the mean, you add up the numbers and then divide by n = 8, since there are 8 scores

Adding the scores gets us: 87+60+76+92+63+91+88+75 = 632

Divide that over n = 8 to get 632/n = 632/8 = 79

The mean is 79

You have the correct answer. Nice work.

---------------

The mode is the most frequent value.

In this data set, we don't have any repeated values. Each unique number is listed one time only. So that tells us we don't have a mode here.

---------------

To get the median, we need to sort the items from smallest to largest

{87,60,76,92,63,91,88,75} sorts to {60,63,75,76,87,88,91,92}

Because we have n = 8 values, which is an even number, this tells us that the median is between slot n/2 = 8/2 = 4 and slot 5

The values 76,87 are in slots four and five in that order. Add them up and divide by 2:  (76+87)/2 = 163/2 = 81.5 is the median

3 0
3 years ago
Write the following number in standard form: 3.471 × 10^−5
muminat
0.00003471 is the correct answer I believe
4 0
2 years ago
Max was on vacation twice as long as Jerad and half as long as wesley the boys were on vacation for a total of 3 weeks of long o
netineya [11]
Jerrad has a 3-day vacation, Max has a 6-day vacation, and Wesley's vacation is 12 days
3 0
3 years ago
What is the 20th term in this sequence .05,.1,.2,.4,...
Jlenok [28]

We can set up an equation.


.05 * 2^(n-1)


n being the nth term in the sequence


Plug in and solve.


.05 * 2^(20-1)


.05 * 2^19


.05 * 524, 288


The 20th term would be 262, 144.

7 0
3 years ago
Read 2 more answers
What is the answer to the equation (x-5)^2=40
Citrus2011 [14]

Answer:

x^2 -10x - 15 = 0

(don't know how far you want me to go)

Step-by-step explanation:

(x - 5)^2 = 40

(expand the brackets)

(x - 5)(x - 5) = 40

x^2 -5x -5x + 25 = 40

x^2 -10x + 25 = 40

x^2 -10x - 15 = 0

3 0
3 years ago
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