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FinnZ [79.3K]
3 years ago
11

Solve each system of equations. 5x + 5y = 3 5x – 3y = 27

Mathematics
1 answer:
Mademuasel [1]3 years ago
4 0

Answer:


Step-by-step explanation:

You basically minus the x's

Then get your equation e.g a +b+c=.....

Then find x on its own e.g 2x=4

X= 2

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Find the distance between points A (5.-7) and B (-3,-4)
Strike441 [17]

It would help if you had a four quadrant graph, but the distance would be (8,11).

7 0
3 years ago
5. Melanie can run around the track 9 times
Zina [86]

Answer: 3.36

Step-by-step explanation: 75minutes / 28= 2.678571428571429

9/2.678571428571429=3.36 times

3 0
3 years ago
Read 2 more answers
Specify what an individual unit is in each of the following studies. Then specify what two variables were measured on each unit.
r-ruslan [8.4K]

Answer:

a) Unit: College Student

Variables of measurement: Procrastination and illness habits.

b) Unit: SUV cars

Variables: Manufacturing and car damage for two car manufactures.

Step-by-step explanation:

We are given the following in the question:

In a research, a unit is a single individual or object that is measured.

a) A study finds that college students who often procrastinate tend to be sick more often than students who do not procrastinate.

Since college students are asked about procrastination, then the unit in this study is college students.

Unit: College Student

Variables of measurement: Procrastination and illness habits.

b) A study finds that sport utility vehicles (SUVs) made by one car manufacturer tend to be more heavily damaged in a crash test than SUVs made by a second car manufacturer.

Since all SUVs cars are considered, the unit in this research is  SUV cars

Unit: SUV cars

Variables: Manufacturing and car damage for two car manufactures.

7 0
3 years ago
Find the area of the figure. Use 3.14 for pie . Round your answer to the nearest tenth.
gizmo_the_mogwai [7]

Answer:

538.3

Step-by-step explanation:

First of all find the area of the rectangle

L*W

15*30

450

Now find the area of semi circle

1/2\pi r^{2}

Since radius is half a diameter divided 15 by 2=7.5

1/2\pi 7.5^{2}                            7.5 times 7.5= 56.25

1/2*3.14*56.25

56 times 3.14 is 176.625 now multiply 176.625 by 1/2

Answer is 88.3125

Now add 450 to 88.3125

Final answer: 538.3125

7 0
3 years ago
Write the product using exponents. 1/5 x 1/5 x 1/5 x 1/5 x 1/5
damaskus [11]

Answer: 1/5 with an exponent of 5.

hope this helps :)

7 0
2 years ago
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