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Anna71 [15]
2 years ago
13

Alissa was reminded people about rehearsal. Alissa remided 2 people and these 2 people reminded 3 people and these 3 people remi

nded 4 and these 4 people reminded 5 people. Hoiw many people got reminded
Mathematics
2 answers:
Gemiola [76]2 years ago
4 0

Answer:

19 people got reminded

Step-by-step explanation:

you would add the 2 alissa reminded then the 3 they reminded then the 4 they reminded then the last 5 to get reminded which gives you the equation

2+3+4+5= 19

Rufina [12.5K]2 years ago
3 0

Answer:

19 people got reminded

Step-by-step explanation:

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PLSSS ANSWER 50 points
erma4kov [3.2K]

Answer:

18

Step-by-step explanation:

90 % 5 = 18 so A would measure 90º

8 0
3 years ago
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Hat is the value of x in the equation −x = 3 − 4x + 15? −18 −6 6 18
nadya68 [22]

I believe that x is equal to 6. x=6

7 0
2 years ago
Solve the system equations. <br> X+2y=0<br> 10y=-5
nexus9112 [7]

Answer:

x=1

y=-1/2

Step-by-step explanation:

x+2y=0....(1)

10y=-5.....(2)

From (2) we can find y.

y=-5/10

y=-1/2

Use that in (1)

x+2*(-1/2)=0

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x=1

5 0
3 years ago
If a polynomial function f(x) has roots –8, 1, and 6i, what must also be a root of f(x)? A. –6
anyanavicka [17]

Answer:

-6i

Step-by-step explanation:

Complex roots always come in pairs, and those pairs are made up of a positive and a negative version. If 6i is a root, then its negative value, -6i, is also a root.

If you want to know the reasoning, it's along these lines: to even get a complex/imaginary root, we take the square root of a negative value. When you take the square root of any value, your answer is always "plus or minus" whatever the value is. The same thing holds for complex roots. In this case, the polynomial function likely factored to f(x) = (x+8)(x-1)(x^2+36). To solve that equation, you set every factor equal to zero and solve for the x's.

x + 8 = 0

x = -8

x - 1 = 0

x = 1

x^2 + 36 = 0

x^2 = -36 ... take the square root of both sides to get x alone

x = √-36 ... square root of an imaginary number produces the usual square root and an "i"

x = ±6i

6 0
2 years ago
Read 2 more answers
A fish story: The mean length of one-year-old spotted flounder, in millimeters, is 127 with standard deviation of 22, and the me
pishuonlain [190]

Answer:

The z-score for this length is of 1.27.

Step-by-step explanation:

Normal Probability Distribution:

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

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

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 p-value, we get the probability that the value of the measure is greater than X.

One-year-old flounder:

Mean of 127 with standard deviation of 22, which means that \mu = 127, \sigma = 22

Anna caught a one-year-old flounder that was 155 millimeters in length. What is the z-score for this length

This is Z when X = 155. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{155 - 127}{22}

Z = 1.27

The z-score for this length is of 1.27.

4 0
3 years ago
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