3 years ago

30 points for anyone who can help me with the correct answer!

Mathematics

1 answer:

sdas [7]3 years ago

5 0

I am positive the answer is B

Let me know if i am wrong and ill correct it

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Solve using square root or factoring method

OlgaM077 [116]

9x^2 + 18x + 9 = 5

9(x^2 + 2x +1) - 5 = 0

x^2 + 2x - 4 = 0

Then use the quadratic formula.

8 0

3 years ago

A supervisor finds the mean number of miles that the employees in a department live from work. He finds x=29 and s=3.6 . Which s

qwelly [4]

Answer:

Option 3 is right

z37 is between 2 and 3 standard deviations of the mean.

Step-by-step explanation:

Let X be a random variable which represents the mean number of miles that the employees in a department live from work

X is normal (N(29,3.6)

WE have to find Z score for X

Z = $\frac{x-29}{3.6}$

=2.22

i.e. 37 is 2.22 std deviations from the mean.

In other words, z37 is between 2 and 3 standard deviations of the mean.

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3 years ago

A pair of shoes cost $88. You get

Maurinko [17]

Answer:

$77.44

Step-by-step explanation:

If the shoes cost $88 but you get a 20% discount, subtract 20% from 88: -->

$88-20% = $70.4

Then add 8% of 88 to 70.4 -->

8% of $88 = $7.04.

$70.4 + $7.04 = $77.44

Therefore the final price of the shoes are $77.44

Hope this helps!!!~~ <3

7 0

3 years ago

An online retailer charges $6.99 plus $0.55 per pound to ship electronics purchases.Write an equation to find how many pounds is

Helga [31]

11.94-6.99=4.95 4.95÷.55=9 9 pounds

4 0

3 years ago

Read 2 more answers

Calcula el divisor de las siguientes cantidades 28 y 30 36 y 45 8

Maru [420]

Answer:

Its math

Step-by-step explanation:

Its math

3 0

3 years ago