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2 years ago

What do I type in all the yellow boxes?

Mathematics

2 answers:

Tasya [4]2 years ago

6 0

$\\ \rm\Rrightarrow y=x^2+4x+6$

put x=-2

$\\ \rm\Rrightarrow y=(-2)^2+4(-2)+6$

$\\ \rm\Rrightarrow y=4-8+6$

$\\ \rm\Rrightarrow y=-4+6$

$\\ \rm\Rrightarrow y=2$

iVinArrow [24]2 years ago

3 0

Answer:

1st blank: 4

2nd blank: -8

y=2

Step-by-step explanation:

-2²=4

4(-2)=-8

1 x 4 = 4

4 + -8 = -4

-4 + 6 = 2

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How to solve these 3 radical expressions. I’m confused and would appreciate it if you could show your work. Thanks!

Tom [10]

Please show a picture of the expressions then I could help :)

3 0

3 years ago

Find the minimum and maximum values for the function with the given domain interval.

AlexFokin [52]

Step-by-step explanation:

e^(x+h) is always larger than e^x.

so the minimum function value in that interval is e⁴.

and the maximum function value in that interval is e⁶.

e⁴ = 54.59815003... ≈ 54.60

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8 0

2 years ago

(free upvote) write an algebraic expression for the following phrase:

sashaice [31]

4 - (x + 6)
or -x -2
.......

3 0

3 years ago

A circular disc has a circumference of 16pi meters. if we multiply the radius of the circular disc is by 10, what is the circumf

Flauer [41]

The circumference of the new disc 160Π that is 10 time of old circumference.

Step-by-step explanation:

Given,

Circumference of circular disc = 16Π (pi = Π)

Let, the radius of the circle be 'r'

Formula

The circumference of a circle with r radius = 2 Π r

According to the problem,

2 Π r = 16Π

or, 2r = 16 ( by eliminating the value of Π from both the side)

or, r = 8

Now, we multiply the radius by 10

so, the new radius is 8 X 10 = 80

Now the circumference = 2 Π X 80

= 160Π

Hence, the new circumference also will be 10 times of the older one.

6 0

3 years ago

Suppose the number of messages that an inbox receives may be modeled by a Poisson distribution. If the average number of message

docker41 [41]

Answer:

0.36427

Step-by-step explanation:

Mean = λ = 18 messages per hour

P(X = x) = (e^-λ)(λ⁻ˣ)/x!

P(X ≤ x) = Σ (e^-λ)(λ⁻ˣ)/x! (Summation From 0 to x)

But the probability required is that the messages thay come in an hour is between 15 and 20, that is, P(15 < X < 20)

P(15 < X < 20) = P(X < 20) - P(X ≤ 15)

These probabilities will be evaluated using a cumulative frequency calculator.

P(X < 20) = 0.65092

P(X ≤ 15) = poissoncdf(18, 15) = 0.28665

P(15 < X < 20) = P(X < 20) - P(X ≤ 15) = 0.65092 - 0.28665 = 0.36427.

You can use the Poisson distribution calculator here

https://stattrek.com/online-calculator/poisson.aspx

4 0

3 years ago