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Marizza181 [45]
3 years ago
6

For a special field trip, Mrs. Hallman needs to pick 4 students out of 25 boys and 12 girls. What is the probability that all th

ree of the students are girls? Write as percent.
Mathematics
1 answer:
steposvetlana [31]3 years ago
5 0
The answer would be 11%
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Given the arithmetic sequence with the following two
kondor19780726 [428]

Answer:

aₙ = -15 + 10 * (n-1)

Step-by-step explanation:

aₙ = a₁ + (n-1)*d       a₁: first term     d: common difference

a₅  a₁ + 4d =25 .... (1)

a₁₁  a₁ + 10d = 85   ...(2)

(2) - (1)     6d = 60

d = 10

a₁ = -15

Formula: aₙ = -15 + 10 * (n-1)

8 0
3 years ago
Can someone please help me out!!?
HACTEHA [7]

Answer:

x = 7

Step-by-step explanation:

\frac{10}{8} = \frac{3x-6}{12} --> Triangle Similarity Theorem

120 = 8(3x - 6) --> Cross Multiplying

120 = 24x - 48 --> Distributing the 8

24x - 48 + 48 = 120 + 48 --> Adding 48 on both sides

24x = 168 --> Simplifying

24x/24 = 168/24 --> Divide 24 on both sides

x = 7 --> Simplifying

Hope this helped! <3

8 0
3 years ago
a cell phone company charges $42 per month of service the cost of a new cell phone plus 8 months of service is $415.99 how much
salantis [7]
1247.97 so you have to skip count
3 0
3 years ago
PLEASEEE HELP ME WITH THIS!!!
andreev551 [17]

Answer:

m∠H = 10°

Step-by-step explanation:

ΔFGH is an isosceles triangle. I made a diagram, so m∠F ≅ m∠H by B.A.T(base angle theorem). This is because an isosceles triangle have to congruent sides and angles.

Diagram is attached:

-Chetan K

7 0
3 years ago
Can someone help me? It's urgent and thank you!
tino4ka555 [31]

Answer:

480,700

Step-by-step explanation:

C(25,7)

25!/(7!*(25-7)!)

15511210043330985984000000/(6402373705728000*5040)

480700

8 0
2 years ago
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