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8_murik_8 [283]

3 years ago

11

Please describe what our three variable linear systems are doing if we were to graph them.

2 answers:

sesenic [268]3 years ago

7 0

Answer:

In general, a solution of a system in three variables is an ordered triple (x, y, z) that makes ALL THREE equations true. In other words, it is what they all three have in common. So if an ordered triple is a solution to one equation, but not another, then it is NOT a solution to the system.

Step-by-step explanation:

Mumz [18]3 years ago

5 0

Foooo can I get brainless

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Amirah's family is driving to her uncle's house. The family travels 383.5 miles between 10:15 am and 4:45 pm. Calculate the fami

ddd [48]

Answer:

The family's average rate of travel for the day was 59.0 MPH.

Step-by-step explanation:

From 10:15AM to 4:45PM, they travelled a distance of 383.5 miles and a total of 6 hours and 30 minutes.

There are 60 minutes in an hour. 30 minutes translates into 1/2 an hour or .5

So, 6.5 hours and a total distance of 383.5 miles.

Velocity (MPH) = Distance (in miles) / Time (in hours)

MPH means Miles Per Hour

Variables:

Velocity (MPH) = x

Distance (in miles) = 383.5

Time (in hours) = 6.5

Plug in the variables into the formula

x = 383.5 / 6.5

Divide

x = 59.0 MPH

5 0

2 years ago

Read 2 more answers

Please work out the shapes question pls!!!

Contact [7]

Here's what I got for the first question.

Did you want answers for the second one? I couldn't read that part of the image very well, if you did.

7 0

3 years ago

In a class where there are a total of 80 pupils, 20 are girls and the remaining

babymother [125]

Answer:

75%

Step-by-step explanation:

First find the number of boys.

80 - 20 = 60

Now find the percentage my taking the number of boys upon the total, times that by 100 which gives the percentage.

$\frac{60}{80}$ × 100 = 75%

8 0

3 years ago

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Write 39/8 as a terminating decimal

sertanlavr [38]

As a decimal it is 4.875.

5 0

3 years ago

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What is the measurement for this angle?

adelina 88 [10]

Answer:

B

Step-by-step explanation:

150 degrees

3 0

3 years ago