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Kaylis [27]
3 years ago
7

Identify the coefficient of 2xy3 A. 1 B. 3 C. x D. 2

Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0
The coefficient is 2 (it is always the number before the variable)
Dmitriy789 [7]3 years ago
3 0
The coefficient of 2xy3 is 2. 
Hope this helps! :)
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Fred flips a coin, spins the spinner, and rolls a standard number cube. Find the probability that the coin will show tails, the
Inessa05 [86]

Answer:

The probability that the coin will show tails, the spinner will land on yellow or green (out of yellow, green, blue), and the cube will show a three is \frac{4}{3}  

Step-by-step explanation:

Given : Fred flips a coin, spins the spinner, and rolls a standard number cube.

To find : The probability that the coin will show tails, the spinner will land on yellow or green (out of yellow, green, blue), and the cube will show a three ?

Solution :

First we find probability one by one,

1) Flips a coin - Head, Tail

Total number of outcome = 2

Favorable outcome (getting a tail) = 1

Probability that the coin will show tails is P(T)=\frac{1}{2}

2) Spins the spinner - yellow, green, blue

Total number of outcome = 3

Favorable outcome (land on yellow or green) = 2

Probability that the spinner will land on yellow or green P(S)=\frac{2}{3}

3) Rolls a standard number cube - 1,2,3,4,5,6

Total number of outcome = 6

Favorable outcome (show a three) = 1

Probability that the cube will show a three P(C)=\frac{1}{6}

The probability that the coin will show tails, the spinner will land on yellow or green (out of yellow, green, blue), and the cube will show a three is

P=P(T)+P(S)+P(C)

P=\frac{1}{2}+\frac{2}{3}+\frac{1}{6}

P=\frac{3+4+1}{6}

P=\frac{8}{6}

P=\frac{4}{3}

Therefore, The probability that the coin will show tails, the spinner will land on yellow or green (out of yellow, green, blue), and the cube will show a three is \frac{4}{3}

5 0
3 years ago
Question 11 (5 points)
mariarad [96]

Answer:

.2

Step-by-step explanation:

Add all the possible outcomes which is 32, then seperate the number of times  5 WILL appear which is 9. Divide 9 by 32 which equals 28% and turn that into a decimal. The answer is .2 hope this helps!!

8 0
3 years ago
A pipe that's 36 inches long needs to be cut into 2 and one forth inches long pieces. how may pieces can be cut from this length
PolarNik [594]
16 pieces may be cut. This is because we need to divide 36 by 2 and 1/4 to find how many pieces hat can be cut. First, we need to change everything into a fraction (or improper fraction). 2 and 1/4 = 9/4 (if you need help trying to find out how to get this, just ask). Then, since we are doing division, we flip the 9/4 around to get 4/9. 36 times (it's not dividing anymore since we flipped the 9/4) 4/9 = 16 pieces. I hope this helps! :D
7 0
3 years ago
Please help!...<br> 1/2(4x-10)= -7<br> what does x equal?
professor190 [17]

Answer:

x=-1

Step-by-step explanation:

multiply both sides by 2

move the constant to the right

find the sum

then divide the 4 next to x

4 0
2 years ago
Need help ASAP (You dont have to show work, just answer it)
anyanavicka [17]

Answer:

$50.40  is the answer

Step-by-step explanation:

12% of  45 is 5.40  so if we add $5.40 and $45 we get $50.40

hope this helps ^-^ have a wonderful day

4 0
2 years ago
Read 2 more answers
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