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4 years ago

19. Darian loves math and practices every day. He scored the following on his recent practice sessions

1 answer:

6 0

The mean of a set of numbers is the average of the set. To find the mean we must add all the numbers in the set together and divide the sum by how many numbers there are in the set.

95 + 78 + 84 + 86 + 89 + 64 = 496

499 / 6 = 82.67

The mean is 82.67.

The mode of a set of numbers is a number that shows up the most in the set. All the numbers in this set appear once, so, there is no mode.

The median of a set of numbers is the number that is in the very middle of the set. Since the middle has two numbers in it we will find the mean of the two of them.

84 + 86 = 170

170 / 2 = 85

85 is median.

To find the range we need to subtract the smallest number by the largest number.

95 - 64 = 31

31 is the range.

I hope this helps. :)

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A farmer buys a tractor for rs.70000 and after using it for some time, he sells it at a loss of 5% to another farmer. He also se

Vedmedyk [2.9K]

Total loss %=10+5=15%

CP=70000
loss%=15%

Now

Loss:-

$\\ \sf\longmapsto 15\%\:of\:70000$

$\\ \sf\longmapsto \dfrac{15}{100}(70000)$

$\\ \sf\longmapsto 10500$

Again

$\\ \sf\longmapsto SP=CP-Loss$

$\\ \sf\longmapsto SP=70000-10500$

$\\ \sf\longmapsto SP=59500$

Third farmer will pay 59500

7 0

3 years ago

Read 2 more answers

A bag contains 15 cards with 1 – 15 numbers written on it. Find the probability of picking a card that is an even number or a mu

lesantik [10]

Answer:

2/3

Step-by-step explanation:

Even numbers are 2,4,6,8,10,12,14

Multiple of 3 ( other than 6,12 ) are 3,9,15

P=10/15 (simplify by 5)

P=2/3

8 0

3 years ago

Read 2 more answers

Peggy works as a busperson and earns \$7.50/h. She also receives 9\% of the gratuities earned by all the staff. In one week she

krok68 [10]

Answer: $ 436.81

Step-by-step explanation:

Given: Hourly rate for Peggy= $7.50

Also, she receives 9% of the gratuities earned by all the staff.

Total hours she worked = 35 hours

Total gratuities = $1936.80

Gross pay = (Hourly rate ) x (Number of hours worked)+ 9% of (Total gratuities )

= $ [(7.50 ×35)+(0.09 ×1936.80)]

= $ (262.5 +174.31)

= $ 436.81

Hence, her gross pay = $436.81

4 0

3 years ago

oil is leaking out of a tank. the depth of oil in the tank for 60 seconds is shown below. use the graph to work out the rate of

FrozenT [24]

Answer:

Step-by-step explanation:

draw a tangent starting from (0,80) and touches at (10,60)... Example attached if needed... Good Luck! ;)

3 0

4 years ago

Please help! I’m struggling!

11111nata11111 [884]

Answer:

87 degrees

Step-by-step explanation:

The triangle with the angles 79 and 15, we can find the last value because all angles in a triangle add up to 180. So, 180-79-15= 86 degrees for the angle of the triangle.

Because the 86 degree angle is complimentary, or when added up to the adjacent angle, is 90 degrees (we see that little box sign), that means that 90-86=4 degrees for the upper triangle in the angle that isn't the question mark. Now that we know 2 values for the top triangle, we can solve for the third value by subtracting those two from 180.

180-89-4=87 degrees. Hope this helps!

3 0

2 years ago