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Diano4ka-milaya [45]
4 years ago
8

How do you simplify the following equation? √64x²

Mathematics
1 answer:
mr_godi [17]4 years ago
4 0
\sqrt{64 x^{2} }  
same thing as:
\sqrt{8*8*x*x}

there are two 8's and two x's in there so they can come out to give you the answer 8x
You might be interested in
Three consecutive odd numbers have a sum of 75.<br><br> What is the greatest number?
Umnica [9.8K]
Let us assume the first odd number = x
Then the second consecutive odd number = x + 2
The third consecutive odd number = x + 4
The addition of the three consecutive odd numbers = 75
Then we can write the equation as
x + x + 2 + x + 4 = 75
3x + 6 = 75
3x = 75 - 6
3x = 69
x = 69/3
   = 23
Then
The greatest odd number in the question = X + 4
                                                                  = 23 + 4
                                                                 = 27
So the greatest odd number in the question is 27.
3 0
3 years ago
How many kilograms of potatoes will each person get if 5 people share 1/3 of a kilogram of potatoes equally?
Xelga [282]

Answer:

1/15 kg

Step-by-step explanation:

Divide by 5 can be written as multiply by 1/5

1/3 * 1/5 = 1/15

8 0
4 years ago
A circular arena is 120 meters across. What is the circumference of the arena to the nearest meter ?
SCORPION-xisa [38]

Answer:

120π

Step-by-step explanation:

diameter = 120

radius = 60

Cirumference= 2πr

2 x π x 60 = 120π

3 0
4 years ago
On Thursday, Mme Q answered emails from her students for 5/6 hour. On Friday, she increased her time answering emails by 7/12 ho
Mama L [17]

Answer:

Mme Q spent more time answering emails from students by 10 minutes

Step-by-step explanation:

Here we have

Time spent by Mme Q in answering mails on Friday given by

5/6 Hour = 50 minutes and

7/12 Hour = 35 minutes

Total time spent on Friday = 85 Minutes or

5/6 + 7/12 = 17/12 Hours

Time spent by Mme F in answering mails on Friday given by

1/2 Hour = 30 minutes and

3/4 Hour = 45 minutes

Total time spent on Friday by Mme F = 75 Minutes or

1/2 + 3/4 = 5/4 Hours

Therefore, Mme Q spent more time answering emails from students by 85 - 75 = 10 minutes.

7 0
4 years ago
For which of the following compound inequalities is there no solution?
meriva

Answer:

A

Step-by-step explanation:

3m - 12 > 30 \text{ and } -6m\geq  24

\boxed{3m - 12 > 30 \wedge -6m\geq  24}

m>14  \wedge  m\leq -4

There's no solution. It is the first one already. There is no number that is both greater than 14 and less than or equal to -4. That is no solution because there's no m that satisfy the compound inequality.

<u>Note: the signal change because we divided by negative number.</u>

4 0
3 years ago
Read 2 more answers
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