3 years ago

If () = − 10, find (20)

Mathematics

1 answer:

Studentka2010 [4]3 years ago

8 0

the correct answer to your question is 10

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Irina18 [472]

Answer:

a 20 times

Step-by-step explanation:

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3 years ago

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Can anyone help me out on this

Rashid [163]

Answer: y=x+60

So y=mx+b is slope intercept form

y=x+60

m=1/1 because we go equally up as we go right so just put x

b=60 because we start at 60

Hope this helps

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3 years ago

(3x^3 + 2x^2 - 2) + (x^2 + 5x - 6)

Alecsey [184]

Answer:

3x^3+3x^2+5x-8

Step-by-step explanation:

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3 years ago

A certain tennis player makes a successful first serve 6969% of the time. Suppose the tennis player serves 9090 times in a matc

Wewaii [24]

Answer:

a) 4.387

b) Yes, because np & npq are greater than 10.

c) = 0.017

Step-by-step explanation:

Give data:

p = 0.69

n = 90

a) a

E(X) = np = 62.1

$SD(X) = \sqrt{(np(1-p))}$

$=\sqrt{90\times 0.69(1- 0.69)}$

= 4.387

np = 62.1

q = 1 - p = 1 - 0.69 = 0.31

npq = 19.251

Yes, because np & npq are greater than 10.

$P(X \geq 72 ) = P(X > 71.5)$ [continuity correction]

$= P(Z> \frac{((71.5-62.1)}{ 4.387})$

= P(Z> 2.14 )

= 1 - P(Z<2.14)

= 1 - 0.983 (using table)

= 0.017

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3 years ago

A potted tree weighs 21 pounds. The pot weighs 3 pounds. If w represents the weight of the tree without the pot, write an equati

masha68 [24]

W = 21 - 3
weight of the tree = 21 pounds - 3 pounds

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3 years ago