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Tcecarenko [31]
3 years ago
10

What is -12.5-8.3

smiddle" class="latex-formula">
​
Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:

Step-by-step explanation:

-(12.5+8.3) = - 20.8

Mama L [17]3 years ago
5 0

If it’s a negative equation is should be -20.8 otherwise it’s 4.2

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Identify one similarity and one difference between the graph of y = 2x + 4 and the graph of y= -1/2x+4
Aleksandr-060686 [28]

Answer:

One difference would be the slope of the lines. One similarity would be where the lines cross the y-axis.

Step-by-step explanation:

This can be seen when we use the equation y=mx+b. m stands for the slope of the line and b stands for where the line is going to cross the y-axis.

I hope this helps.

-Cam ♡

7 0
3 years ago
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Write an equation of the line that is parallel to 3x + 9y = 7 and passes through the point (6, 4).
Ber [7]
First, rearrange the equation to standard line format
3x + 9y = 7
9y = -3x + 7
y = -3/9x + 7/9
y = -1/3x + 7/9

now we know the slope of the line (both the existing and the new parallel one, since they both have the same slope)

y = -1/3x + b

plug in the new point in and solve for b

4 = -1/3(6) + b
4 = -2 + b
b = 6

y = -1/3x + 6 is the equation for the parallel line
4 0
3 years ago
Max installed a motion detector on the shed that illuminates a semicircle with a radius of 12 ft. What is the area of the yard t
Jobisdone [24]
You didn't give enough information. We don't know the yard size.
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3 years ago
The data below represents the number of desks on each floor of Texter Corporate.
xxMikexx [17]

Answer:

Box-plot = {54, 65, 69, 73, 76}

Step-by-step explanation:

The data provided for the number of desks on each floor of Texter Corporate is as follows:

S = {54, 60, 65, 66, 67, 69, 70, 72, 73, 75, 76}

There are a total of <em>n</em> = 11 floors.  

A boxplot, also known as a box and whisker plot is a method to demonstrate the distribution of a data-set based on the following 5 number summary,

  • Minimum (shown at the bottom of the chart)
  • First Quartile (shown by the bottom line of the box)
  • Median (or the second quartile) (shown as a line in the center of the box)
  • Third Quartile (shown by the top line of the box)
  • Maximum (shown at the top of the chart).

Arrange the data in ascending order as follows:

S': = {54 , 60 , 65 , 66 , 67 , 69 , 70 , 72 , 73 , 75 , 76}

The minimum value is:

Minimum = 54

The maximum value is:

Maximum = 76

As there are odd number of values the median is the middle value.

Median = 6th value = 69

The first quartile is the median of the first half of the data.

S'₁ = {54 , 60 , 65 , 66 , 67}

First quartile = 3rd value = 65

The third quartile is the median of the second half of the data.

S'₂ = {70 , 72 , 73 , 75 , 76}

Third quartile = 3rd value = 73

Thus, summarized data for the box plot is:

Box-plot = {54, 65, 69, 73, 76}

The box plot is attached below.

4 0
3 years ago
A farmer harvests apples that are heavier than the average 5 kg weight for that variety. He plants the seeds from the harvest ho
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The answer is (C)- The next generation will weigh less than the parent generation, closer to 5 kg.

Step-by-step explanation:

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3 years ago
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