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noname [10]
4 years ago
13

Number of seconds equal to 1/5 hour

Mathematics
2 answers:
kirill115 [55]4 years ago
8 0
1/5 of an hour is 12 minutes. 60 seconds x 12 minutes= 720 seconds
Minchanka [31]4 years ago
7 0
There are 720 seconds in a fifth of an hour.
\frac{1}{5} of an hour (60 minutes) is 12 minutes.
12×60 is 720.
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I was gone today at school and know I have no clue what to do! Please please help me!!
krek1111 [17]
What do you have to find?
do you just need to solve the problem with those numbers?
5 0
3 years ago
Is (0,0) a solution to 6x - 7y > 20 please include the steps!
leonid [27]

Answer:

No.

Step-by-step explanation:

To determine if (0,0) is a solution to the inequality, substitute 0 for x and 0 for y and check to see. Thus:

6x-7y>20

Substitute 0 for x and 0 for y:

6(0)-7(0)\stackrel{?}{>}20

Multiply:

0-0\stackrel{?}{>}20

Subtract:

0\not>20

So, (0,0) is <em>not</em> a solution.

And we're done!

8 0
3 years ago
Read 2 more answers
Perimeter of this shape
motikmotik

Answer:

22 cm

Step-by-step explanation:

Simply count the number of square units of each side, then add them up. (each square unit = 1 cm)

4+4+2+3+2+7

= 22 cm

6 0
3 years ago
Read 2 more answers
Find the values of a b and c for which the quadratic equation ax^2+bx+c=0 has the solutions -3 and 1
zavuch27 [327]
It may be easier to start from

.. a(x +3)(x -1) = 0
.. a(x^2 +2x -3) = 0

The quadratic
.. ax^2 +bx +c = 0 will have solutions -3 and 1 for ...

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7 0
3 years ago
On a True/False test, Amy answered the first three questions wrong but answered the rest of the questions correctly. On the same
borishaifa [10]

Answer:

89.29%

Step-by-step explanation:

Given that Scott answered exactly two questions wrong. He answered the last question wrong, the 26 questions before it correctly, and the question before that wrong.  Since Amy and Scott were both incorrect on the same question exactly once, Scott would have done wrong only in I or II or III question.  If I question was wrong by both, total questions = 28, if II wrong total questions =29 and for iii total questions =30

Greatest possible percent would occur if total questions are less

i.e. when total =28

Greatest percent = \frac{28-3}{28} =89.29%

3 0
3 years ago
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