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aivan3 [116]
3 years ago
13

What is the theoretical probability that you will get a sum of 7? P(sum of 7)=

Mathematics
1 answer:
hammer [34]3 years ago
4 0

Answer:

\frac{12}{36} or \frac{1}{3}

Step-by-step explanation:

Notice that there are 6 sums of 7 on the table provided. For example rolling a 1 and then a 6 would produce a sum of 7.

The reason the answer is 12 and not 6 is that you need to double it for the two dice. Let's say one die was green and the other was blue. The green die could be the 1 and the blue die could be the 6. That is one favorable outcome, but it could be switched. Maybe the green die was 6 and the blue die was 1.

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Michael invested 5,000 in an account that has a 5.5% annual interest rate. What equation best describes investment after T years
ivolga24 [154]

Answer:

V = 5000 +  275*T   for simple annual interest

or:   A = 5000 * (1.055)^T   for an annual compound interest

Step-by-step explanation:

I assume this is a simple interest rate.  If not I will give the one for compound interest.

V = 5000 + 5000* 0.055 * T      (Value of account after T years)

V = 5000 +  275*T   for simple annual interest

or:   A = 5000 * (1.055)^T   for an annual compound interest

5 0
3 years ago
Jamison needs a total of $395 to buy a new bike. He has $35 saved. He earns $15 each week delivering newspapers . How many more
dmitriy555 [2]

An equation is formed of two equal expressions. The number of weeks for which Jamison needs to deliver papers to earn enough money for a bike is 24.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Given that Jamison needs a total of $395 to buy a new bike but he has only $35 saved. Also, He earns $15 each week delivering newspapers.

Now, the equation that can represent the situation can be written as,

Cost of the bike = Amount Saved + Earning by delivering newspapers

Substituting the values,

$395 = $35 + $15x

where x is the number of weeks for Which Jamison needs to work in order to purchase the new bike. Therefore, solving the equation for x,

395 = 35 + 15x

395 - 35 = 15x

360 = 15x

x = 360 / 15

x = 24

Hence, the number of weeks for which Jamison needs to deliver papers to earn enough money for a bike is 24.

Learn more about Equation here:

brainly.com/question/10413253

#SPJ1

5 0
2 years ago
D.) A line that has a slope of 3, and goes through the<br> point (2,8); answer in point-slope form.
PIT_PIT [208]

Answer:

y - 8 = 3(x - 2)

Step-by-step explanation:

Start with the basic point-slope form of the equation of a straight line:

y - k = m(x - h).  Here the given point is (2, 8), so assign the value 2 to h and the value 8 to k, also the value 3 to m.  Then:

y - 8 = 3(x - 2)

8 0
3 years ago
The length of s is 2/3 the length of t. If s has an area of 368 cm squared find the perimeter of the figure
ser-zykov [4K]
s = \frac{2}{3}t&#10;\\\ \frac{2}{3}t*t = \frac{2}{3}t^2&#10;\\\ \frac{2}{3}t^2 = 368&#10;\\\ t^2 = \frac {3}{2}368&#10;\\\ t^2 = 552&#10;\\\ t \approx 23.5&#10;\\\ s \approx 15.6&#10;\\\ P \approx 78.2
3 0
3 years ago
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PLS ANSWER, ALL THE QUESTIONS IN THE PICTURE. ITS DUE SOON PLS HELP, SHOW WHO U SET UP EACH PROBLEM .
saul85 [17]

Answer:

3. It's b and c   4. total number of participants in marathon=99+121=220 percentage of female = 121/220×100 =55%   5. the answer is 7

Step-by-step explanation:

4 0
3 years ago
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