3 years ago

I need help this is dude tomorrow

Mathematics

1 answer:

lara31 [8.8K]3 years ago

8 0

Don’t listen to them it’s a scam

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What is the greatest common factor of 9x^3 + 54x^2 + 36x?

Jlenok [28]

Add and subtract the second term to the expression and factor by grouping.
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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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4 years ago

Angie’s dishwasher breaks. She calls out the service repair people who charge her $86.45 in parts and $45 per hour in labor. it

Vika [28.1K]

The answer of this question is that the total price is $191.45

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4 years ago

Graph the line with this equation

dangina [55]

Answer:

I hope this helps

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

PLEASE SOMEONE HELP ME ON THIS PLZ SHOW WORK

ale4655 [162]

This equation is known as the equation for exponential growth/decay:
$y = ab^x$

Since the car is worth no more than $1,900 when bought, we can rewrite the above equation as:
$1900 \geq ab^x$

a is the initial value, and b is the growth factor, x is the amount of time that passes.

So, we can plug in all that information (it's negative because the car's value goes down):
$1900 \geq -17930(0.19)^x$

That's your final answer^.

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3 years ago