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jenyasd209 [6]
2 years ago
15

Questions

Mathematics
1 answer:
victus00 [196]2 years ago
3 0

Answer:

4-2 to the 3 of 4 is 5

Step-by-step explanation:i took the test

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I keep on reading 9 over and over and I can’t seem to get it.. Anyone mind helping?
belka [17]
Part A: 15MPH
Part B: 22.5MP

I could provide an explanation if needed.
(a brainliest would be appreciated)
5 0
3 years ago
Perform the multiplication FOR THIRTY POINTS!<br><br> (x^2)/(3) multiplied by (x^2-x-6)/(x^2-6x+9)
Oxana [17]

Answer:

(x^3+2x^2)/(3x-9)

Step-by-step explanation:

3 0
3 years ago
How do you know whether to use mean or median when analyzing a one variable data set (box &amp; whisker plot, histogram)... I lo
mart [117]
Median is generally good if you have outliers (data points that are very far off from the majority of the points).

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4 0
3 years ago
Read 2 more answers
Let Z be a standard normal random variable and calculate the following probabilities, drawing pictures wherever appropriate. (Ro
saw5 [17]

Answer:

(a) P(0 <= Z <= 2.24)  = 0.4927

(b) P(0 <= Z <= 2)  = 0.4773

(c) P(-2.60 <= Z <= 0) = 0.4953

(d) P(-2.60 <= Z <= 2.60) = 0.9906

(e) P(Z <= 1.64)  = 0.9495

(f) P(-1.75 <= Z) = 0.0047

(g) P(-1.60 <= Z <= 2.00) =  0.9425

(i) P(1.60 <= Z)=0.0548

(j) P(|Z| <= 2.50) = 0.9876

Step-by-step explanation:

(a) P(0 <= Z <= 2.24) = P(Z <= 2.24)- P(Z <= 0)

using the STANDARD NORMAL DISTRIBUTION TABLE

P(0 <= Z <= 2.24) = 0.9927 -  0.5  = 0.4927

(b) P(0 <= Z <= 2) = P(Z <= 2)- P(Z <= 0)

= 0.9773 -  0.5  = 0.4773

(c) P(-2.60 <= Z <= 0) = P(Z <= 0)- P(-2.60)

=   0.5 - 0.0047 = 0.4953

(d) P(-2.60 <= Z <= 2.60) = P(Z <= 2.6)- P(-2.60)

=   0.9953 - 0.0047 = 0.9906

(e) P(Z <= 1.64)  = 0.9495

(f) P(-1.75 <= Z) =1 - P(Z < 2.6) = 1 -  0.9953  = 0.0047

(g) P(-1.60 <= Z <= 2.00) = P(Z <= 2.0)- P(-1.60)

= 0.9773- 0.0548  = 0.9425

(i) P(1.60 <= Z)=1 - P(Z < 1.6) = 1 -  0.9452  = 0.0548

(j) P(|Z| <= 2.50) = P(-2.5 < Z <= 2.50)= P(Z <= 2.5)- P(-2.5)

=0.9938 - 0.0062 = 0.9876

7 0
3 years ago
Y is inversely proportional to the square of x.
Mkey [24]

Step-by-step explanation:

x²y = k, where k is a real constant.

When x = 3.5, y = 8.

=> (3.5)²(8) = k, k = 98.

When y = 8/9,

we have x²(8/9) = (98).

=> x² = 110.25

=> x = 10.5 or x = -10.5.

Since we want the negative value,

the answer is x = -10.5.

4 0
2 years ago
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