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professor190 [17]
3 years ago
5

https://lh3.googleusercontent.com/ZdagxxHvwERtpsxOHZwM5NSZgCwMCHN2KfRNp_BgcaHunkEAgxWxtlnBy9Kzw8sjh7CIuND8lTho9_dQLeH1AgXynwP1ro

UXC1RXLyfE-sKCs__gaY0wyzsKubzz=w307
Mathematics
2 answers:
DanielleElmas [232]3 years ago
8 0

What am I supposed to do?

lisov135 [29]3 years ago
5 0
It doesn’t let me click it
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Does anyone know what the answer to this is?
pogonyaev

Answer:

154/18, simplified to 77/9.

Step-by-step explanation:


7 0
3 years ago
The standard deviation of the midterm scores at ucb for stats 2 is 50 points. the teacher takes a sample of 100 students' scores
Alborosie
<span>The measure standard deviation quantifies the amount of variation or dispersion of a set of data values.</span>The standard deviation is the square root of the variance.
The standard deviation in this case is 50/ sqrt(100)= 50/10=5.



6 0
2 years ago
Where does the length of day remain the same throughout the year?
djyliett [7]
Due to the inclination of the terrestrial axis, the day has different duration in several points of the planet, which also depends on the time of year. However, this duration remains the same throughout the year in the Equator, which is known as the imaginary line that divides the planet in two hemispheres: Northern Hemisphere and Southern Hemisphere.
8 0
3 years ago
Given that f(x)=2x-8, determine the average rate of change over the interval [2, 8].
8_murik_8 [283]

Answer:

2

Step-by-step explanation:

The average rate of change over [2, 8] is the change in the y-values over the change in the x-values.

\frac{f(8) - f(2)}{8 - 2}

f(8) = 2(8) - 8 = 16 - 8 = 8

f(2) = 2(2) - 8 = 4 - 8 = -4

\frac{8 - (-4)}{8-2} = \frac{8 + 4}{8-2} = \frac{12}{6} = 2

5 0
3 years ago
A brick layer is able to set 2.5 breaks in one minute how many bricks can you set an eight hours
frozen [14]

Answer:

<h2> In 8 hours he will set 1200 bricks</h2>

Step-by-step explanation:

In this problem, we are expected to estimate the number of bricks he can set in 8 hours.

let us convert hours to minutes we have

60 min make 1 hour

x min make 8 hours

cross multiply

x= 60*8

x= 480 min

We are assuming the same rate with which he sets 2.5 brick is the same as the rate with which he will set bricks for the 8 hours windows

so if the bricklayer sets

2.5 bricks in 1min

y bricks in 480 min

Cross multiply we have

y=2.5*480

y= 1200  bricks

hence in 8 hours, he will set 1200 bricks

5 0
3 years ago
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