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NikAS [45]
3 years ago
7

A spinner has 8 congruent sides, 1,9,5,3,2,16,11, and 8 if it spun 120 times what it's a reasonable prediction for the number of

times it will land on an even number?
Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0

There are 3 even numbers out of A total of 8 numbers.

Each spin would have a 3/8 chance of landing in an even number.

Multiply the chance of landing on even by number of spins:

120 x 3/8 = 360/8 = 45

The answer would be 45 times.

You might be interested in
Find any integer between<br>-3.92 and 12,4​
timurjin [86]

Answer:

There are 16 integers between -3.92 and 12.4

Step-by-step explanation:

If we want to find the integers between two numbers we just need to subtract the integer numbers of the interval.

The integer interval will be:

[-3,12]

Now, we subtract them:

12-(-3)=12+3=15

Let's recall that 0 is an integer

Therefore, the answer will be 16.

I hope it helps you!

8 0
3 years ago
Nathan, Alan, Becky and Allison are each holding one of the following 4 cards. Nathan and Alan both have Spades. Becky and Alan
Yuri [45]

Answer:

allison

Step-by-step explanation:

nathan and alan both have spades so its neithe of them then beckey has a 7 so its allison

5 0
3 years ago
A metallurgist needs to make 12.4 lb. of an 10) alloy containing 50% gold. He is going to melt and combine one metal that is 60%
sergeinik [125]
Now, let's say, we add "x" lbs of the 60% gold alloy, so..  how much gold is in it?  well, is just 60%, so (60/100) * x, or 0.6x.

likewise, if we use "y" lbs of the 40% alloy, how much gold is in it?  well, 40% of y, or (40/100) * y, or 0.4y.

now, whatever "x" and "y" are, their sum must be 12.4 lbs.

we also know that the gold amount in each added up, must equal that of the 50% resulting alloy.

\bf \begin{array}{lccclll}&#10;&\stackrel{lbs}{amount}&\stackrel{gold~\%}{quantity}&\stackrel{gold}{quantity}\\&#10;&------&------&------\\&#10;\textit{60\% alloy}&x&0.6&0.6x\\&#10;\textit{40\% alloy}&y&0.4&0.4y\\&#10;------&------&------&------\\&#10;\textit{50\% alloy}&12.4&0.50&6.2&#10;\end{array}

\bf \begin{cases}&#10;x+y=12.4\implies \boxed{y}=12.4-x\\&#10;0.6x+0.4y=6.2\\&#10;-------------\\&#10;0.6x+0.4\left( \boxed{12.4-x} \right)=6.2&#10;\end{cases}&#10;\\\\\\&#10;0.6x-0.4x+4.96=6.2\implies 0.2x=1.24\implies x=\cfrac{1.24}{0.2}&#10;\\\\\\&#10;x=\stackrel{lbs}{6.2}

how much of the 40% alloy?  well, y = 12.4 - x.
5 0
4 years ago
FRIST ANSWER WILL MARK BRAINLIEST!!! what is 5/12 X 26
solong [7]
Simplify the following:
5/12×26

5/12×26 = (5×26)/12:
(5×26)/12

The gcd of 26 and 12 is 2, so (5×26)/12 = (5 (2×13))/(2×6) = 2/2×(5×13)/6 = (5×13)/6:
(5×13)/6
5×13 = 65:
Answer:  65/6
8 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE!!!! I WILL MARK AS BRAINLIEST!!!
Aleksandr-060686 [28]

Answer: put dot on A B And C the put them together. And that the answer for 2

Step-by-step explanation:

7 0
3 years ago
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