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ira [324]
3 years ago
5

We toss two dice 1,000 times. How many times do we expect to have the sum of the two dice equal to 4?

Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0
Total possible outcomes = 36
Total possible outcomes with sum equal to 4 = 3
{1, 3} {2, 2}, (3, 1}

P(sum equal to 4) = 3/36 = 1/12

If you throw it 1000 times,
Number of times expected to have a sum of 4 = 1/12 x 1000 = 83 times

Answer: About 83 times
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6 0
3 years ago
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After the addition of an acid, a solution has a volume of 90 milliliters. The volume of the solution is 3 milliliters greater th
11111nata11111 [884]

Answer: 21.75\ milliliters

Step-by-step explanation:

Let be "x" the original volume of the solution (in milliliters) before the acid was added and "y" the volume of the solution (in milliliters) after the addition of the acid.

Set up a system of equations:

\left \{ {{x+y=90} \atop {y=3x+3}} \right.

Applying the Substitution Method, you can substitute the second equation into the first equation and then solve for "x":

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6 0
4 years ago
I need help with 4 please
leonid [27]

Answer:

day 1 5 day 2 8 day 3 2.5 day 4 10 day 5 10 altogether is 35.5

Step-by-step explanation:

5+3=8

5/2=2.5

5*2=10

5*2=10

10+10+8+5+2.5=35.5

5 0
3 years ago
Someone help please this is for trigonometry
Softa [21]
Hi there!

Something really good to remember about trigonometry is SOHCAHTOA. I won’t dive into too much detail about it, but you should google it for future assignments.

Anyways,

tan50°=14/AB
ABtan50°=14
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For the measure of angle C you can use a theorem called the third angle theorem. In every single possible triangle, the sum of all three angles adds up to 180°. You can set up an equation like so...

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4 years ago
I will give brainliest
Karolina [17]
The large scoop holds 48 units.
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8 0
3 years ago
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