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yawa3891 [41]
3 years ago
12

Calculate the experimental probability of flipping a coin 25 times, and getting heads 8 times.

Mathematics
2 answers:
nexus9112 [7]3 years ago
6 0

Answer:

68 percent

Step-by-step explanation:

Lisa [10]3 years ago
3 0

Answer:

68%

Step-by-step explanation:

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A triangle has a height that is 2 inches more than three times the base and an area of 60 in. Find the base and the height of th
const2013 [10]

Answer:

Height = 20, Base = 6

Step-by-step explanation:

The area of a triangle is \frac{bh}{2}

where b is the base and h is the height

H = 3B + 2\\\frac{B(3B + 2)}{2}=60\\\\3B^2 + 2B = 120\\3B^2+2B - 120=0\\

We can factor by grouping

3B^2 - 18B + 20B - 120 = 0\\3B(B - 6) + 20(B-6) = 0\\GCF the (B-6)\\(B-6)(3B+20)=0\\B = 6, B = \frac{-20}{3}

Length can only be positive, so we know that the base is 6 in

The height must be 2 + 3(6) = 20

Height = 20, Base = 6

8 0
3 years ago
Mykel is picking out some movies to rent, and he has narrowed down his selections to 66 foreign films, 33 children's movies, 66
uranmaximum [27]

Answer:

Mykel can make 2.79 x 10³² different combinations

Step-by-step explanation:

We can solve this problem using combination

The formula for combination is ⁿCₐ = \frac{n!}{(n - a)!a!}

where n = total number of choices available

a = number of items being chosen

The total movies Mykel wants is 99.

Taking out the sure 66 drama movies,

Mykel is left with 99 - 66 choices = 33 choices.

The total number of choices he is left with is 66 foreign + 33 children + 44 documentaries = 143 movies

Hence, our n = 143 movies

and a = 33 choices

Hence we do, ¹⁴⁴C₃₃ = \frac{143!}{(143 - 33)!33!} = \frac{143!}{110!33!} 2.79 x 10³² combinations

∴ Mykel can make 2.79 x 10³² different combinations.

7 0
3 years ago
Please help if your kind enough, this is due today I’ll mark u as brainliest & rate u 5 stars
maxonik [38]

Answer:

x = 9 (see explanation)

Step-by-step explanation:

Alternate exterior angles are two angles that are congruent to each other:

1. Set the two angles equal to each other: 7x-4 = 6x+5

2. Combine like terms and solve for x: x = 9

Hope this helps!

5 0
3 years ago
Using the distributive property rewrite 2x + 16 as a product of two factors
tresset_1 [31]
2(x + 8)
Factor out the 2
5 0
3 years ago
Please need help thank you
AnnZ [28]

Answer:

7 members

Step-by-step explanation:

Count x's above 1 and 0. The x's represent the people.

5 0
2 years ago
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