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3 years ago

Please could you help me with these questions! they would be quick

Mathematics

2 answers:

lara31 [8.8K]3 years ago

6 0

Answer:

Hey!

Well there aren't any question up here!!

Step-by-step explanation:

Maybe put another one!

Hope this helps!

nalin [4]3 years ago

5 0

Answer:

Where are the questions....?

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A certain tennis player makes a successful first serve 70% of the time. Assume that each serve is independent of the others. If

EleoNora [17]

this is a binomial problem: p = 0.7 and q = 0.3

a) (0.7)^6

b) (6C4)(0.7)^4(0.3)^2

c) Pr ( at least 4) = Pr(4) + Pr(5) + Pr(6) = (6C5)(0.7)^5(0.3) + (0.7)^6

d) Pr (no more than 4) = 1 - Pr(at least 4) = 1 - (answer from c)

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3 years ago

Consider the set of points defined by z = 5 cos(theta) + 3i sin(theta).

vitfil [10]

Answer:

This is an ellipse.

Step-by-step explanation:

$z=5cos(\theta)+3isin(\theta)$

Applying the angle values in intervals of right angles (90°), the resulting set of values for z are:

$\theta = 0,90,180,270,360$

$z=5,3i,-5,-3i,5$ (again)

If you look at the plot, you will observe how these values represent points in the xy plain. All of them belong to either the x or the y axis.

The resulting figure for the whole set of values of $\theta$ is in fact an ellipse.

4 0

3 years ago

In the data set below, what is the lower quartile? <br><br> 2 2 3 5 6 6

MAXImum [283]

The median is 4
There are 3 numbers below 4. and the lower quartile is the middle number of these 3.
So its 2

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3 years ago

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Are ABC and CDA congruent? Justify your answer. brainly

Setler79 [48]

Yes
because they have the same volume

5 0

3 years ago

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I’m sorry I know how to do this but I’m really lazy. ❤️

Inessa [10]

Answer:

me too

Step-by-step explanation:

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3 years ago