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Law Incorporation [45]
3 years ago
12

Please help! 9th grade math

Mathematics
1 answer:
Rzqust [24]3 years ago
5 0

Answer:

They switched the w and the -15 at the end

Step-by-step explanation:

When you switch the inequality sign after multiplying or dividing a number, the variable stays on the side its on, even if it looks weird.

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The lines y=-2 and y=-7 are they parallel, perpendicular, or neither?
Vanyuwa [196]

Answer:

parallel

Step-by-step explanation:

An equation of the form

y = k

where k is a number is a horizontal line.

Since both lines have the form y = k, with two different values of k, -2 and -7, these are two different horizontal lines, so they are parallel.

Answer: parallel

7 0
3 years ago
Read 2 more answers
How many solutions does the equation have?
Elina [12.6K]

9514 1404 393

Answer:

  1 solution

Step-by-step explanation:

The coefficients of d are different on the two sides of the equation (3d vs 6d), so the equation has one solution.

__

Dividing by 3 gives ...

  d +11 = 2(d +33)

  d + 11 = 2d + 66

Adding -d-66 to both sides gives ...

  -55 = d . . . . . . the one solution

4 0
3 years ago
I am having trouble with mean absolute deviation and whisker box plots. I try looking at examples, but it keeps stressing me out
Arada [10]

Answer:

Mean absolute deviation is a statistical measure of dispersion. Whisker box-plot is a graphical method of quartile based divided data

Step-by-step explanation:

Mean Absolute Deviation is a statistical measure of dispersion or variability  in data. It denotes average level of deviation of observations from the central mean.

It is calculated using following formula : ( Σ | X - X' | ) ÷ N ; where X = individual observations, X' = mean, N = no. of observations

Whisker Box-plot is a graphical method of representing group of numerical data through their quartiles. This also consists line extensions from boxes, showing scatter beyond lower & upper quartile.

8 0
3 years ago
In one day, 18 people each with drew
Nuetrik [128]

Answer:

$1,800 was withdrawn because 18 * 100 = 1,800

7 0
3 years ago
Read 2 more answers
I don't understand the bottom part
frutty [35]
For the bottom you see if the numbers are prime or composite 
 3 is prime
 5 is prime
 7 is prime
4 0
3 years ago
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