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Lyrx [107]
2 years ago
11

PLEASE HURRYY TEST

Mathematics
1 answer:
Leto [7]2 years ago
7 0
It’s Going to be B!!!
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The function f (x) varies directly with x and f (x) =90 when x=30
Vinvika [58]
18

x=30
y=90

90 ÷ 30 =3

y=3x

3 × 6 = 18
3 0
3 years ago
√(25 - 10 √(3) + 3)<br> (not as a decimal)
nikitadnepr [17]

Answer:

\huge\boxed{\sqrt{25-10\sqrt3+3}=5-\sqrt3}

Step-by-step explanation:

\sqrt{25-10\sqrt3+3}=(*)\\\\25=5^2\\3=(\sqrt3)^2\\10\sqrt3=(2)(5)(\sqrt3)\\\\(*)=\sqrt{5^2-(2)(5)(\sqrt3)+(\sqrt3)^2}\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=\sqrt{(5-\sqrt3)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|5-\sqrt3|=5-\sqrt3\\\\^{\text{because}\ 5>\sqrt3\to5-\sqrt3>0}

6 0
3 years ago
Jim decides to start a small nonprofit business of renting out motor scooters to help out his area residents. He puts in his own
Deffense [45]
First, find the expected number of scooters rented per month:

As the data is symmetrical, E(X) (the expected value) is the middle value. So, on average, 2.5 scooters should be taken per month.

His total costs were 5 * 3000 = $15,000

So, to break even, he needs to make $15,000.

He will be selling for 5 years, or 60 months.

As a result, he needs to make 15000/60 = $250/month

As he is selling 2.5 scooters on average, he needs to rent each for:

$250/2.5 = <u>$100/month</u>
6 0
4 years ago
Read 2 more answers
Katie bought 2 1/2 lb of green apples and 3 2/3 lb of red apples to make pies.How many pounds of apples did Katie buy? A. 6 1/2
aliina [53]
A, becase 2/12 apples were sold
8 0
3 years ago
There are four main steps in building a Monte Carlo simulation: select probability distribution(s); run the simulation model thr
trapecia [35]

Answer:

random

Step-by-step explanation:

Monte Carlo simulation is a technique which is used to analyze the impact of risk and uncertainty in financial projects and forecasting models. It helps to understand the potential outcomes to better understand the decision based on risk level. It analyzes the probability of different outcomes by intervention of random variables.

4 0
4 years ago
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