Kellie plants 45 tulips in 30 minutes Find the Unit Rate.

Answer:

22

Step-by-step explanation:

mean= sum of observations/no: of observations

mean=440/2=22

please mark me brainliest

Answer:

(f + g)(x) = 3x² + 7x - 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

f(x) = 3x² + 2x

g(x) = 5x - 1

(f + g)(x) is f(x) + g(x)

Step 2: Find

Answer:

Can you add an image of the points on a graph so I can help?

Answer:

Step-by-step explanation:

No. If two sides are 5cm the third side must be less than 2(5)=10cm

Answer: No, a triangle cannot be formed with these side lengths.

=========================================================

Explanation:

Recall that the triangle inequality theorem says that for a triangle to be possible, the sum of any two sides must be larger than the third side.

With these given side lengths, we can see that 5+5 = 10 is not larger than 20, so a triangle is not possible here. I recommend you try it out with 3 slips of paper of these lengths. You should find that the two 5 cm sides are too short to be able to connect to the 20 cm side properly.

Answer:

7. (5,4) x = 5 y = 4

8. (1,2) x = 1 y = 2

Step-by-step explanation:

This explanation takes too long sry :(

Answer:

(-3,1)

Step-by-step explanation:

!!!!!!!!!!!!!!!!!!!!!

Answer:

caldwen wala pa yung qeustion mo na freee 1000 points for lalalalalalla

Step-by-step explanation:

What is the vertex of the graph of this function? y= -(x+2)(x+4)

You can even get a Brainiest (or whatever its called) plz help.

Answer:

-12m - 48

Step-by-step explanation:

-4(3m+12)

•(-4)(3m)= -12m

•(-4)(12)= -48

-12m - 48

Answer:

0,4, That is the y intercept.

Step-by-step explanation:

Hope I helped :)

Answer:

953.26

Step-by-step explanation:

6.75% of 892.98 = 60.27615

839.98+60.27615=953.25615

then we round to the nearest cent and get

953.26

Answer:

Step-by-step explanation:

892.98(1+(6.75/100))

892.98(1.0675)

953.26

Answer:

The probability that a given user is transmitting is 0.1 = 10%.

The probability that at any given time, exactly n users are transmitting simultaneously is [tex]P(X = n) = C_{120,n}.(0.1)^{n}.(0.9)^{120-n}[/tex].

0.0048 = 0.48% probability that there are 21 or more users transmitting simultaneously.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

And p is the probability of X happening.

Can be approximated to a normal distribution, using the expected value and the standard deviation.

The expected value of the binomial distribution is:

[tex]E(X) = np[/tex]

The standard deviation of the binomial distribution is:

[tex]\sqrt{V(X)} = \sqrt{np(1-p)}[/tex]

Normal probability distribution

Problems of normally distributed distributions can be solved using the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

When we are approximating a binomial distribution to a normal one, we have that [tex]\mu = E(X)[/tex], [tex]\sigma = \sqrt{V(X)}[/tex].

Each user transmits only 10 percent of the time.

This means that [tex]p = 0.1[/tex]

Find the probability that a given user is transmitting.

The probability that a given user is transmitting is 0.1 = 10%.

Suppose there are 120 users.

This means that [tex]n = 120[/tex]

Find the probability that at any given time, exactly n users are transmitting simultaneously.

This is [tex]P(X = n)[/tex].

This n is different from the n of total number of users(120 in this case) from the standard binomial formula. This is the number of successes, which is the equivalent of x. So

[tex]P(X = n) = C_{120,n}.(0.1)^{n}.(0.9)^{120-n}[/tex]

The probability that at any given time, exactly n users are transmitting simultaneously is [tex]P(X = n) = C_{120,n}.(0.1)^{n}.(0.9)^{120-n}[/tex]

Find the probability that there are 21 or more users transmitting simultaneously.

Now we use the binomial approximation to the normal. We have that:

[tex]\mu = E(X) = np = 120*0.1 = 12[/tex]

[tex]\sigma = \sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{120*0.1*0.9} = 3.2863[/tex]

Using continuity correction, this probability is [tex]P(X \geq 21 - 0.5) = P(X \geq 20.5)[/tex], which is 1 subtracted by the pvalue of Z when X = 20.5. So

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{20.5 - 12}{3.2863}[/tex]

[tex]Z = 2.59[/tex]

[tex]Z = 2.59[/tex] has a pvalue of 0.9952

1 - 0.9952 = 0.0048

0.0048 = 0.48% probability that there are 21 or more users transmitting simultaneously.

Step-by-step explanation:

b Supplementary Angles

Answer:

139. 2 is the mean and the median is 98.5

Step-by-step explanation:

median = 98.5

mean = 139.2

Answer:

[tex]1) \to \: B \\ 2) \to A[/tex]

Answer:

The third one

Step-by-step explanation:

Answer:

It's -7

Step-by-step explanation:

Answer:

-7

Step-by-step explanation:

Answer:

inject juice and put ramen

Answer:

2(3m + 6)= 2 × 3m + 2 × 6

= 6m + 12

Answer:

4 is your answer

Step-by-step explanation:

The number 8 divided by 3 is 2 with a remainder of 2 (8 / 3 = 2 R.

Answer:

The steps are more or less the same, except for one new addition:

Divide the tens column dividend by the divisor.

Multiply the divisor by the quotient in the tens place column.

Subtract the product from the divisor.

Bring down the dividend in the ones column and repeat

Step-by-step explanation:

The number 8 divided by 3 is 2 with a remainder of 2 (8 / 3 = 2 R.

Answer:

2x+9y=18

Step-by-step explanation:

Distribute the denominator

y=-2/9x+2

9y=-2x+2

9y+2x=2

im sorry if this is wrong

Answer:

Step-by-step explanation:

First term is:

Common ratio is:

Recursive formula:

Answer:

rational

Step-by-step explanation:

Answer:

5.25

Step-by-step explanation:

Increased

Answer:

5.25

Step-by-step explanation:

5%5=.25

5+.25= 5.25

Simple!

Answer:

18

Step-by-step explanation:

6x3=18

(hope this helps can i plz have brainlist :D hehe)

Answer:

18

Step-by-step explanation:

lol....................

Answer:

Step-by-step explanation:

Let the number be x,

2(4+x)= 4x-6

8+2x= 4x-6

Collect like terms

8+6. = 4x-2x

14 = 2x

x = 14/2

x.=. 7

PLEASE GIVE BRAINLIEST.

Answer:

C and D

Step-by-step explanation:

Answer:

3x2 + x - 6x + 3

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Got it right on Edg.