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torisob [31]
2 years ago
4

You could win a $1000 prize by tossing a coin in one of two games: game

Mathematics
1 answer:
Gre4nikov [31]2 years ago
8 0
In either game, 50 tosses would increase your chances of winning.  

The theoretical probability of flipping heads is 1/2 or 50%.  The more times you perform an experiment, the closer the experimental probability is to the theoretical.  This means that your average will be closer to 50% the more times you perform the experiment.
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Devon wants to write an equation for a line that passes through 2 of the data points he has collected. The points are (8, 5) and
nevsk [136]

Step-by-step explanation:

Points are (8,5) and (-12,-9)

The equation of a line passing through two points is given by :

y-y_1=m(x-x_1)\ \text{m is slope}\\\\y-5=\dfrac{y_2-y_1}{x_2-x_1}(x-8)\\\\y-5=\dfrac{-9-5}{-12-8}\times (x-8)\\\\y-5=\dfrac{7}{10}\times (x-8)\\\\10y-50=7x-56

or

-50+56=7x-10y\\\\7x-10y=6

But he writes the equation 7x – 10y = 3 which is not matching with the one we have calculated. It means that model calculated by Devon is not good.

7 0
2 years ago
tom was using wire of the following thicknesses .33mm , .275mm, .25mm, .3mm for some electrical work. order the wire from thicke
Lena [83]
Thickest to thinnest....
0.33m , 0.3mm, 0.275mm, 0.25mm
5 0
2 years ago
What is the value of x in the equation 0.7x – 1.4 = –3.5?
deff fn [24]

0.7x-1.4 =-3.5

 add 1.4 to each side

0.7x = -2.1

 x = -2.1 / 0.7

x = -3

 Answer is B -3

3 0
2 years ago
Read 2 more answers
Luis made 80% of what he made last week.If he made 72$ this week,how much did he make last week
IceJOKER [234]

Let

x--------> the amount in dollars that Luis make last week

we know that

80\% =\frac{80}{100}=0.80

0.80x=72\$ ------> equation that represent the situation

solve for x

Divide by 0.80 both sides

0.80x/0.80=72\$/0.80

x=72\$/0.80

x=90\$

therefore

<u>the answer is</u>

90\$

4 0
2 years ago
Read 2 more answers
Joanne has a goal of buying a townhome and saved for 5 years. She expected to have the down payment of $15,000 saved by now but
serg [7]

Answer:


Step-by-step explanation:

Average amount saved per year = \frac{15,000}{5}

                                                      =$3000

So on average Joanne has saved $3000 per year. She only needs $2000 more which will not even take a year to save.

How many months it will take to save $2000:

\frac{12}{3000} \times2000

= 8 Months.

It will only take Joanne 8 moths to save $2000.

If she really wants to buy the home now she can always go for a home loan scheme for $2000. Any interest rate less than 50% per year is fine as she can save $3000 per year.


6 0
2 years ago
Read 2 more answers
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