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3 years ago

State two ways that you can contact your teacher in writing. State two ways that you can speak directly to your teacher.

Mathematics

1 answer:

BartSMP [9]3 years ago

6 0

1. Email a teacher
2. Text messages

1. Phone call
2. In-person appointments

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The amount of time it takes Isabella to wait for the bus is continuous and uniformly distributed between 3 minutes and 17 minute

Arturiano [62]

Answer:

P(X>5) = 0.857

Step-by-step explanation:

Let X $\sim$ uniform(3.17)

$f(x) = \dfrac{1}{17-3} ; \ \ \ 3 \le x \le 17$

The required probability that it will take Isabella more than 5 minutes to wait for the bus can be computed as:

$P(X > 5) = \int ^{17}_{5} f(x) \ dx$

$P(X > 5) = \int ^{17}_{5} \dfrac{1}{17-3} \ dx$

$P(X > 5) =\dfrac{1}{14} \Big [x \Big ] ^{17}_{5}$

$P(X > 5) =\dfrac{1}{14} [17-5]$

$P(X > 5) =\dfrac{12}{14}$

P(X>5) = 0.857

6 0

3 years ago

Find r if 3(r - 7) = 4(2 - 2r) + 4

Arturiano [62]

Answer:

r=3

Step-by-step explanation:

3(r - 7) = 4(2 - 2r) + 4

Distribute

3r -21 = 8 -8r +4

Combine like terms

3r -21 = 12 -8r

Add 8r to each side

3r +8r-21 = 12 -8r+8r

11r -21 = 12

Add 21 to each side

11r -21+21 =12+21

11r = 33

Divide each side by 11

11r/11 = 33/11

r = 3

4 0

3 years ago

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There are 32 female performers in a dance recital. The ratio of men to women is 3:8. How many men are in the dance recital??????

nydimaria [60]

Answer:

Step-by-step explanation:

3/8=x/32

8x=96/32

x=12

6 0

3 years ago

Are these congruent or not:

SOVA2 [1]

No you don't know if the hypotenuse or the other leg are congruent

3 0

2 years ago

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Is this right if not what’s the correct answer

noname [10]

hey friend your answer is

I hope it will helpful for you

mark as brainest answer

thank you

8 0

3 years ago