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Studentka2010 [4]
2 years ago
7

What is 2/5 ÷ 2/3 i need help

Mathematics
2 answers:
ki77a [65]2 years ago
5 0

Answer:

0.6

Step-by-step explanation:

KonstantinChe [14]2 years ago
5 0

Answer:

0.6

Step-by-step explanation:

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In a well-shuffled, standard 52 card deck, what is the probability that a card is a Queen, given that it is a black card
dlinn [17]
There are two black queens in a standard deck, so the probability is 2/52 or 1/26.

If instead you know you pulled a black card from the deck and you’re wondering what the probably is that it’s a queen, then it’s 2/26, since there are still 2 black queens, but only 26 black cards.
7 0
2 years ago
Read 2 more answers
Anne is running on a trail at an average speed of 6 miles per hour beginning at mile marker 4. John is running on the trail at t
Sphinxa [80]

Answer:

John is running faster.

Step-by-step explanation:

Given that:

Average Speed of Anne = 6 miles per hour

Speed of John can be represented in the table below:

\begin{center}\begin{tabular}{ c c}Time (hours) x & Mile Marker y \\ 0 & 1  \\  0.5 & 4.5  \\   1 & 8  \\ 1.5 & 11.5  \\\end{tabular}\end{center}

To find:

Who is running faster of the both i.e. Anne and John?

Solution:

Here, to find the faster runner we can compare the average speed of both the runners.

We are given that, average speed of Anne = 6 miles per hour

We will have to calculate the average speed of John to find the faster runner.

<em>Average speed</em> can be calculated by dividing the total distance traveled with the total time taken.

Total distance traveled by John = 11.5 - 1 = 10.5 miles

Total time taken by John = 1.5 hours

Average speed of John = \frac{10.5}{1.5} = 7\ miles/hr

Clearly Average speed of John is greater than that of Anne's.

Therefore, <em>John runs faster</em>.

6 0
2 years ago
Solve similar triangles (advanced)<br> Solve for x
salantis [7]

Answer:

4

Step-by-step explanation:

AD=4+8=12=DE thus angle EAD= angle AED=90÷2=45

angle ACB=90-45=45 thus CB=AB=4

7 0
2 years ago
Which choice is true for a square?
enot [183]
The answer I think is A.
7 0
3 years ago
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The radius of a basketball hoop is 9 inches. What expression can be used to find the hoop's circumference in inches?
oksano4ka [1.4K]
C=2pir
r=9
c=2pi9
c=18pi
if we aprox pi=3.141592
c=56.54865 inches
4 0
3 years ago
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