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3 years ago

Could someone walk me through this problem please?

Mathematics

1 answer:

Mrrafil [7]3 years ago

5 0

yeah me too can someone help us?hope someone helps :)

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An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the a

elena-s [515]

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3 years ago

Shane and Abha earned a team badge that required their team to collect no less than 2000 cans for recycling. Abha collected178 m

Agata [3.3K]

Answer:

Let number of cans collected by Shane =S

Number of cans collected by Abha=S+178

As, it is given that ,Abha collected 178 more cans than Shane did.

Also, the statement about inequality is

Both Shane and Abha have to collect no less than 2000 cans for recycling.

Writing the statement in terms of inequality

S +S+178 ≥ 2000

2 S ≥ 2000 - 178

2 S ≥ 1822

Dividing both sides by 2, we get

S≥ 911

So, Shane must have collected At least 911 cans.

6 0

3 years ago

Read 2 more answers

Suppose that, after measuring the duration of many telephone calls, a telephone company found their data was well-approximated b

Musya8 [376]

Answer:

a) 7.79%

b) 67.03%

c) Cumulative Distribution Function

$P(t) = \displaystyle\int^{\infty}_{-\infty} 0.1e^{-0.1t}~dt\\\\= \displaystyle\int^{b}_{a} 0.1e^{-0.1t}~dt, ~~a\leq t \leq b$

Step-by-step explanation:

We are given the following in the question:

$p(x) = 0.1 e^{-0.1x}$

where x is the duration of a call, in minutes.

a) P( calls last between 2 and 3 minutes)

$=\displaystyle\int^3_2 p(x)~ dx\\\\= \displaystyle\int^3_20.1e^{-0.1x}~dx\\\\=\Big[-e^{-0.1x}\Big]^3_2\\\\=-\Big[e^{-0.3}-e^{-0.2}\Big]\\\\= 0.0779\\=7.79\%$

b) P(calls last 4 minutes or more)

$=\displaystyle\int^{\infty}_4 p(x)~ dx\\\\= \displaystyle\int^{\infty}_40.1e^{-0.1x}~dx\\\\=\Big[-e^{-0.1x}\Big]^{\infty}_4\\\\=-\Big[e^{\infty}-e^{-0.4}\Big]\\\\=-(0- 0.6703)\\= 0.6703\\=67.03\%$

c) cumulative distribution function

$P(t) = \displaystyle\int^{\infty}_{-\infty} 0.1e^{-0.1t}~dt\\\\= \displaystyle\int^{b}_{a} 0.1e^{-0.1t}~dt, ~~a\leq t \leq b$

6 0

3 years ago

I have math homework but i dont understand how to do it plz help me

ivann1987 [24]

1) $5x+0.29=3.24
 \\ 5x=2.95
 \\ x=0.59
$
Each marker cost 59 cents

2) $7(x+3)=126
 \\ 7x+21=126
 \\ 7x=105
 \\ x=15$
The old Big Almond Bag weighed 15 ounces. The new Big Almond Bag weighs 18 ounces.

8 0

2 years ago

Read 2 more answers

Jon is looking into a $4,250 vacation package that is offered for 25% off. There is a 9% resort fee added on the total.How much

Charra [1.4K]

Answer:

3,474.4

Step-by-step explanation:

4,250-25%=3187.5

3187.5+9%=3474.4

7 0

3 years ago