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3 years ago

Helpppppp!! Please ?

Mathematics

2 answers:

Doss [256]3 years ago

8 0

Answer:

I whold say that is 7 or 6. hope this helps please mark me branlenest.

Zina [86]3 years ago

4 0

AD: 6 cm
AC: 6 cm
Because we know that BD and AC are perpendicular, we know that the two triangles are right triangles. Now, just use the Pythagorean Theorem to find the missing side.

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A new phone-answering system installed by a certain utility company is capable of handling ten calls every 10 minutes. Prior to

Mrrafil [7]

Answer:

0.0137

Step-by-step explanation:

Let X be the random variable that measures the number of incoming calls every ten minutes.

If the incoming calls to the system are Poisson distributed with a mean equal to 5 every 10 minutes, then the probability that there are k incoming calls in 10 minutes is

$\bf P(X=k)=\frac{e^{-5}5^k}{k!}$

If the phone-answering system is capable of handling ten calls every 10 minutes, we want to find

P(X>10), or the equivalent 1 - P(X≤ 10).

But

1 - P(X≤ 10)= 1 -(P(X=0)+P(X=1)+...+P(X=10)) =

$\bf 1-\left (\frac{e^{-5}5^0}{0!}+\frac{e^{-5}5^1}{1!}+...+\frac{e^{-5}5^{10}}{10!}\right)=\\=1-e^{-5}\left(\frac{5^0}{0!}+\frac{5^1}{1!}+...+\frac{5^{10}}{10!}\right)=1-0.9863=0.0137$

So, the probability that in a 10-minute period more calls will arrive than the system can handle is 0.0137

6 0

3 years ago

Complete the statements.

9966 [12]

Step-by-step explanation:

1. 0.08703 killograms

2. Decameters

3. Liters

5 0

3 years ago

Need help with figuring this out!

Genrish500 [490]

Answer:the answer is 43

Step-by-step explanation

4 0

3 years ago

Read 2 more answers

In a survey, 50 people were interviewed. 35 of them owned cars.

natulia [17]

Answer:

1. 35%

2. 15 %

3 0

3 years ago

Read 2 more answers

LAST ONE GUYSSS \small \angle L and \small \angle M are supplementary, \small m\angle L=12x+45 and \small m\angle M=18x-30. Dete

svp [43]

Answer:

$m\angle L = 111\degree \\m\angle M = 69\degree$

Step-by-step explanation:

Since, angle L and angle M are supplementary.

$\therefore m\angle L + m\angle M= 180\degree \\ \therefore \: 12x + 45 + 18x - 30 = 180 \degree \\ \therefore \: 30x + 15= 180 \degree\\ \therefore \: 30x= 180 \degree - 15 \degree\\ \therefore \: 30x= 165 \degree \\ x = \frac{165 \degree}{30} \\ x = 5.5 \degree \\ \\ m\angle L = 12x + 45 \\ m\angle L = 12 \times 5.5 + 45 \\ m\angle L = 66 + 45 \\ \huge \red{ \boxed{ m\angle L = 111 \degree}} \\ \\ m\angle M=18x - 30 \\ m\angle M=18 \times 5.5 - 30 \\ m\angle M=99 - 30 \\ \huge \purple{ \boxed{ m\angle M=69 \degree}} \\$

6 0

3 years ago