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Shkiper50 [21]
3 years ago
12

Anyone pls I need help at this

Mathematics
1 answer:
satela [25.4K]3 years ago
4 0

Answer:

<h2>$62.7</h2>

solution,

She starts to work at 7:45 am

She stops the work at 12:30 for lunch.

Before launch, she works 4:15 hours.

And after lunch ,she works 4 hours

Now,

total she works 8 hours 15 minutes.

For each hour,she earn 7.60

8  \times 7.60

=$ 60.8

For another 15 min,she earns $ 1.9

So,

Total earning=60.8+1.9

=$ 62.7

Hope this helps...

Good luck on your assignment...

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Consider a sample with six observations of 15, 16, 12, 8, 6, and 9. Compute the z-scores for each sample observation.
grin007 [14]

Answer:

1 ; 1.25 ; 0.25 ; - 0.75 ; - 1.25 ;- 0.5

Step-by-step explanation:

Given the sample observations : 15, 16, 12, 8, 6, 9

Zscore for each sample Observation :

Zscore = (x - mean) / standard deviation

(15 + 16 + 12 + 8 + 6 + 9) / 6 = 11

Mean value (m) = 11

Standard deviation (s) = 5

Sqrt[(x - m)^2 / (n - 1)]

[(15-11)^2 + (16-11)^2 + (12-11)^2 + (8-11)^2 + (6-11)^2 + (9-11)^2] / (6 - 1)

= 80/5 = 16

Sqrt(16) = 4

Zscore = (x - mean) / standard deviation

x = 15

Zscore = (15 - 11) / 4 = 1

x = 16

Zscore = (16 - 11) / 4 = 1.25

x = 12

Zscore = (12 - 11) / 4 = 0.25

x = 8

Zscore = (8 - 11) / 4 = - 0.75

x = 6

Zscore = (6 - 11) / 4 = - 1.25

x = 9

Zscore = (9 - 11) / 4 = - 0.5

4 0
3 years ago
Hi there can anyone help me out with this please
SIZIF [17.4K]
Im pretty sure it is D
6 0
3 years ago
Can I get the answers?
s344n2d4d5 [400]
1. Graph using y = mx + b

a)  y = 3x - 4 (m = 3, b = -4) 

b) y = x + 1 (m = 1, b = 1) 

c) y = -2x + 2 (m = -2, b = 2) 

d) y = -x - 3 (m = -1, b = -3) 

2. Graph using x- and y-intercepts

a)  2x + 3y = 6 (x-intercept is 3, y-intercept is 2) 

b) x - 2y = -8 (x-intercept is -8, y-intercept is 4) 

c) -3x + y = -3 (x-intercept is 1, y-intercept is -3) 

d) -4x - 2y = 6 (x-intercept is -3/2, y-intercept is -3) 

3. Graph using a table

a) y = 2x -1
(Make a table using values -1, 0, and 1 in the "x" column. The values in the "y" column will be -3, -1, and 1)

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5 0
4 years ago
Someone ans plz
alexira [117]

The GCF is mn^{4} p^{3}

Explanation:

The GCF or greatest common factor is the factorization of two or more numbers to determine the greatest number that they have common.

The given terms are m^{7} n^{4} p^{3} and m n^{12} p^{5}

To determine the gcf of these two terms, let us find the greatest number that they have in common.

Comparing the powers of m from both the terms, we have,

g c f\left(m^{7}, m\right)=m

Similarly, comparing the powers of n from both the terms, we have,

g c f\left(n^{4}, n^{12}\right)=n^{4}

Also, comparing the powers of p from both the terms, we have,

g c f\left(p^{3}, p^{5}\right)=p^{3}

Thus, the GCF of the terms m^{7} n^{4} p^{3} and m n^{12} p^{5} is mn^{4} p^{3}

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