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Bezzdna [24]
3 years ago
14

Gilly tossed a coin 60 times. It comes down on heads 45% of the time. How many times did it land on heads?

Mathematics
1 answer:
zysi [14]3 years ago
8 0

Answer:

Coin landed on heads 27 times when Gilly  tossed a coin 60 times.

Step-by-step explanation:

Gilly tossed a coin 60 times.

45% of 60 = 45/100 × 60

                 = 0.45 × 60

                 = 27

Thus, coin landed on heads 27 times when Gilly tossed a coin 60 times.

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Step-by-step explanation:

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Help me please. im failing
Inessa05 [86]

Answer:

Area = 31.5 units^2

Step-by-step explanation:

7 x 3 = 21

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5 0
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You are analyzing the allele frequencies for fur color in a population of squirrels where black fur is dominant to red fur. As p
kvasek [131]

Answer:

0.784

Step-by-step explanation:

Given that you are  analyzing the allele frequencies for fur color in a population of squirrels where black fur is dominant to red fur.

As part of your research, you collect the following data:

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So black fur individuals = 1000-216\\=784

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= \frac{784}{1000} \\=0.784

4 0
3 years ago
Which of the following is true about the expression 3 Squared times 12 squared
ololo11 [35]

Answer:

?

Step-by-step explanation:

the expression would look like this:  3^2 x 12^2

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3 0
3 years ago
ALGEBRA 1, SEMESTER 2
SIZIF [17.4K]

So firstly, we have to find f(x) when x = 8 and x = 0. Plug the two numbers into the x variable of the function to solve for their f(x):

f(0)=\frac{2*0+3}{3*0-3}\\ f(0)=\frac{0+3}{0-3}\\ f(0)=\frac{3}{-3}\\ f(0)=-1\\ \\ f(8)=\frac{2*8+3}{3*8-3}\\ f(8)=\frac{16+3}{24-3}\\ f(8)=\frac{19}{21}

Now that we have their y's, we can use the slope, aka average rate of change, formula, which is \frac{y_2-y_1}{x_2-x_1} . Using what we have, we can solve it as such:

\frac{\frac{19}{21}-(-1)}{8-0}=\frac{\frac{40}{21}}{8}=\frac{40}{21*8}=\frac{40}{168}=\frac{5}{21}

In short, the average rate of change from x = 0 to x = 8 is 5/21.

8 0
3 years ago
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