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gayaneshka [121]
3 years ago
10

The distance between two towns is 83km. Write this distance to the nearest 10?

Mathematics
1 answer:
svetoff [14.1K]3 years ago
6 0
80 km because if the units number is smaller than five then you go to eighty but if the number is five or more you have to go to ninety but the number is smaller so i went to eighty.

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PLEASE HELP ⁉️ POR FAVOR SOMEONE IM DESPERATE tHIS IS DUE IN THE mORiNG!
Makovka662 [10]

Answer:

  • See below

Step-by-step explanation:

  • 1) Total points = 25
  • 2) Points earned = 21
  • 3) Percent score = 84%

<u>Proportion:</u>

  • 21 / 25 = 84% / 100%

Solving the others in the table

<u>21 out of 25 points:</u>

  • 21/25 = x/ 100 ⇒ x = 100*21/25 = 84

<u>15 out of 20 points:</u>

  • 15/20 = x/100 ⇒ x = 100*15/20 = 75

<u>47 out of 50 points:</u>

  • 47/50 = x/100 ⇒ x = 100*47/50 = 94

<u>28 out of 30 points:</u>

  • 20 / 30 = x/100 ⇒ x = 100*20/30 = 66.66

<u>19 out of 45 points:</u>

  • 19/45 = x/100 ⇒ x = 100*19/45 = 42.22

<u>3 out of 4 points:</u>

  • 3/4 = x/100 ⇒ x = 100*3/4 = 75
3 0
3 years ago
For binomials of the form (x - y) ^ n explain how to determine the sign of a term without writing out the entire expansion
Mnenie [13.5K]

Answer:

When raising an expression of that format to any power, after grouping like terms, you'll always find that the odd numbered terms are positive, and the even numbered terms are negative.

For example:

(x - y)² = x² − 2xy + y²

(x - y)³ = x³ − 3x²y + 3xy² − y³

(x - y)⁴ =x⁴ − 4x³y + 6x²y² − 4xy³ + y⁴

etc.

3 0
3 years ago
What is the difference between the mean and the median of the data set? {22, 8, 10 ,18 ,12, 20} 0 2 4 6
NikAS [45]

Answer:

Option A - 0

Step-by-step explanation:

Given : Data set {22, 8, 10 ,18 ,12, 20}

To find : What is the difference between the mean and the median of the data set?

Solution :

Data set in increasing order {8, 10 ,12,18, 20,22}

Mean is defined as the division of sum of set values by total number of values.

M=\frac{\sum x}{n}

Substitute the values we get,

M=\frac{8+10+12+18+20+22}{6}

M=\frac{90}{6}

M=15

So, The mean of the set is 15.

Median of even numbers is the average of two middle terms.

m=\frac{3rd+4th}{2}

m=\frac{12+18}{2}

m=\frac{30}{2}

m=15

So, The median of the set is 15.

Now, The difference of the mean and the median of the set is

d=M-m

d=15-15

d=0

Therefore,Option A is correct.

The difference of the mean and the median of the set is 0.

5 0
3 years ago
Read 2 more answers
Tickets to a show cost $5.50 for adults and $4.25 for students. A family is purchasing 2 adult tickets and 3 student tickets. Wh
iren [92.7K]

Answer:

23.75

Step-by-step explanation:

There is 2 adults and adult tickets cost $5.50 so we do

5.50 x 2 = 11

Now we have to find student tickets and we can see we have 3 so we do

4.25 x 3 = 12.75

so then we add them all up

11 + 12.75

which we will get 23.75

8 0
3 years ago
Read 2 more answers
How many joules of gravitational potential energy does a 15 kg object have when it is lifted from the floor and held 0.6 meters
LekaFEV [45]

Answer:

88.29joules

Step-by-step explanation:

mgh=gravitational potential energy

(15kg)(9.81)(0.6)= 88.29joules

6 0
3 years ago
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