3 years ago

Help me plz on the question thx

Mathematics

1 answer:

GrogVix [38]3 years ago

4 0

1/2 is the answer. I hope this helps

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Which function is even? Check all that apply.

iris [78.8K]

im pretty sure its

(A) y=cos x

(B) y=sec x

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The answer I’m soo confused

8090 [49]

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HELPPP ASAPP Bernie's Bars has determined that a granola bar measuring 3 inches long has a z-score of +1 and a granola bar measu

Len [333]

Answer:

Standard deviation of the length of granola bars produced at Bernie's Bars is 0.50

Step-by-step explanation:

We are given the following information in the question:

Formula:

$z_{score} = \displaystyle\frac{x - \mu}{\sigma}$

where,

μ is the mean and σ is the standard deviation.

Putting the values we get:

$\displaystyle\frac{ 3- \mu}{\sigma} = 1\\\\3 = \sigma + \mu\\\\\displaystyle\frac{ 3.5- \mu}{\sigma} = 2\\\\3.5 = 2\sigma + \mu$

Solving the two obtained equations:

Subtracting the two obtained equation, we have:

$3.5-3 = \mu + 2\sigma - \mu -\sigma\\\sigma = 0.5$

Hence, standard deviation of the length of granola bars produced at Bernie's Bars is 0.50

3 0

3 years ago

Read 2 more answers

2. A supermarket display consists of boxes of cereal. The bottom row has 27 boxes. Each row has four fewer boxes than the row be

tresset_1 [31]

Answer:

Step-by-step explanation:

) Nth term = F + (N - 1) x D, where F=First term, N=Number of terms, D=Common difference

6th row = 23 + (6 - 1) x -3

= 23 + (5) x -3

= 23 + (-15)

= 8 - number of boxes in the top row.

b) Sum = N/2[2F + (N - 1) x D]

= 6/2[2*23 + (6 - 1) x -3]

= 3 [46 + (5) x -3 ]

= 3 [46 + -15 ]

= 3 [ 31 ]

= 93 - total number of boxes in the entire display.

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3 years ago

A local pizzeria offers 11 toppings for their pizzas and you can choose any 4 of them for one fixed price. How many different ty

choli [55]

First slot, 11 options
2nd is 10 (1 less than 1st slot)
3rd is 9
4th is 8

11*10*9*8=7920 different pizzas (assuming you can't order all 1 topping)

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3 years ago