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nignag [31]
3 years ago
12

Find x . 8 4√2 √8 16

Mathematics
1 answer:
love history [14]3 years ago
8 0

Answer:

8

Step-by-step explanation:

(8\sqrt{2}) ^{2} = 128 \\128 / 2 = 64\\x= \sqrt{64} = 8

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find the mean, median, and mode of the data set. round to the nearest tenth. 7,7,14,15,4,1,7,2,15,9,5
Arisa [49]
Here is the mean, median, and mode:

Mean: 1+2+4+5+7+7+7+9+14+15+15 = 86/11 ≈ 7.82
Median: 7
Mode: 7

To find the mean add up all the numbers and divide by the number of numbers

To find the median you just keep on crossing of numbers left to right until you get the middle number

To find the mode just look at which number is most commonly seen

Hope this helps!
5 0
3 years ago
Read 2 more answers
What is the slope of the line represented by the equation Y= -2/3-5x
Elina [12.6K]

Answer:

The slope is -5

Step-by-step explanation:

<u>Slope is the number attached to the x</u>

For this problem, y = -2/3 - 5x, the slope/number attached to the x is -5.  So, the slope is -5.

Answer:  The slope is -5

4 0
3 years ago
Read 2 more answers
Two friends, Selma and Khalid are revising algebra. Khalid says: 'I am thinking of a number. If you multiply it by 3 and subtrac
kogti [31]

Answer:

Equation: 3y - 6 = y + 7

y = 6.5

Step-by-step explanation:

Step 1: Write out equation

3y - 6 = y + 7

Step 2: Solve for <em>y</em>

2y - 6 = 7

2y = 13

y = 13/2 or 6.5

5 0
3 years ago
If 5% of an item is $1.50, what is the original price?
Olegator [25]

Answer:

original price = $30.00

Step-by-step explanation:

note that the original price is 100% , then

1% = $1.50 ÷ 5 = $0.30 , so

100% = 100 × $0.30 = $30.00

6 0
1 year ago
Read 2 more answers
The art club held a car wash on Saturday and Sunday. They washed a total of 50 cars. If they washed 30% of the cars on Sunday, h
o-na [289]

Answer:

If I did my math correctly, They washed 15 cars on Sunday.

Step-by-step explanation:

50 cars = 100%

Therefore 1 car would be 2% because 50 is half of 100.

So because 30% would be 2 times the amount of cars, we divide 30 by 2, giving us 30% = <u>15 cars on Sunday</u>

With this information, we can take away 15 from 50 giving us 35 cars which is equal to 70% on Saturday

Here is some extra data:

10% = 5 cars

20% = 10 cars

30% = 15 cars

40% = 20 cars

50% = 25 cars

60% = 30 cars

70% = 35 cars

80% = 40 cars

90% = 45 cars

100% = 50%

Basically, every 10% is +5 cars

6 0
2 years ago
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