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poizon [28]
2 years ago
12

Nora drew a scale drawing of the middle school. The scale she use was 1 inch: 7 feet. The gym is 17 inches in the drawing. How i

s the actual gym
Mathematics
1 answer:
emmainna [20.7K]2 years ago
5 0

Answer: 119

Step-by-step explanation: if it’s 1:7,

then you’d have to do 17x7

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HOW TO FINISH IT? Complete the table and pattern. Determine the common difference. Write the explicit rule.
sp2606 [1]

a_{n} = a_{1} + d(n - 1)   <em> a₁ is the first term, d is the difference, and n is the term</em>

a₁ = -5

d = -5

a_{n} = -5 - 5(n - 1)

a_{n} = -5 - 5n + 5  

a_{n} = -5n            <em>explicit formula</em>

a_{n} = -5a_{n-1}       <em>recursive formula</em>

4 0
3 years ago
(√2+√3)² + (√5+√2)²
harkovskaia [24]

Answer:

12+2√6+2√10

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
I really need help pls pls pls help
STatiana [176]
To get how many inches the model is divide by feet per inch
242/22=11
The model in 11 inch long
Should be the first one
8 0
2 years ago
An airport limousine can accommodate up to four passengers on any one trip. The company will accept a maximum of six reservation
miss Akunina [59]

Answer:

a) 0.109375 = 0.109 to 3 d.p

b) 1.00 to 3 d.p

Step-by-step explanation:

Probability of someone that made a reservation not showing up = 50% = 0.5

Probability of someone that made a reservation showing up = 1 - 0.5 = 0.5

a) If six reservations are made, what is the probability that at least one individual with a reservation cannot be accommodated on the trip?

For this to happen, 5 or 6 people have to show up since the limousine can accommodate a maximum of 4 people

Let P(X=x) represent x people showing up

probability that at least one individual with a reservation cannot be accommodated on the trip = P(X = 5) + P(X = 6)

P(X = x) can be evaluated using binomial distribution formula

Binomial distribution function is represented by

P(X = x) = ⁿCₓ pˣ qⁿ⁻ˣ

n = total number of sample spaces = 6

x = Number of successes required = 5 or 6

p = probability of success = 0.5

q = probability of failure = 0.5

P(X = 5) = ⁶C₅ (0.5)⁵ (0.5)⁶⁻⁵ = 6(0.5)⁶ = 0.09375

P(X = 6) = ⁶C₆ (0.5)⁶ (0.5)⁶⁻⁶ = 1(0.5)⁶ = 0.015625

P(X=5) + P(X=6) = 0.09375 + 0.015625 = 0.109375

b) If six reservations are made, what is the expected number of available places when the limousine departs?

Probability of one person not showing up after reservation of a seat = 0.5

Expected number of people that do not show up = E(X) = Σ xᵢpᵢ

where xᵢ = each independent person,

pᵢ = probability of each independent person not showing up.

E(X) = 6(1×0.5) = 3

If 3 people do not show up, it means 3 people show up and the number of unoccupied seats in a 4-seater limousine = 4 - 3 = 1

So, expected number of unoccupied seats = 1

5 0
3 years ago
Jane took a train traveling at an average speed of 60 mph from Boston, MA to Washington, D.C. The trip took 8 hours. On her way
ira [324]

Answer:

5 hours

Step-by-step explanation:

5 0
3 years ago
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