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KiRa [710]
3 years ago
7

-2/5 - x + (9/10) where x = 4/5

Mathematics
1 answer:
steposvetlana [31]3 years ago
8 0

Answer:

-3/10

Step-by-step explanation:

The rest was 9/10 can i be made brainliest

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What is the best description of the relation?
Pie

Answer:

The relation is <u>not</u> a function.

Step-by-step explanation:

A function is a relation in which no two ordered pairs have the same input  and different outputs. Whenever you're trying to determine whether a given relation is a function, observe whether each input corresponds with <u><em>exactly</em></u> one output.

In this case, the answer is no.  The input value of 10 corresponds with two output values, 4 and 20.  It only takes one input value to associate with more than one output value to be <u>invalid</u> as a function.

Therefore, the given relation is <em><u>not</u></em> a function.

8 0
3 years ago
5.)which of the following is the best example of pair of lines that are parallel?
sergij07 [2.7K]

Answer:

D

Step-by-step explanation:

D because it is the only choice that obtains things that do not intersect or cross each other at some point. The doors would never cross, unlike the windows or roadways or railways.

So option D would be the best answer.

4 0
3 years ago
Find the area of the sector, rounding your answer to 1d.p. thank you for your help :3<br>​
andreyandreev [35.5K]

Answer:

176.7cm^2

Step-by-step explanation:

Area of circle = π ×r^2

π×15^2

and then divide by 4 because it's one quarter of a circle

7 0
3 years ago
A factory makes 1200 shirts every 6 hours the factory makes shirts for 9 hours each workday enter the fewest number of workdays
yarga [219]
Hey make 200 per hour, and would need 63 hours to make 12600 shirts. 63/9=7
They’d need to work for 7 days
Hope this helps
6 0
3 years ago
Read 2 more answers
The Jones family is considering which one of two businesses will mow their
Natalka [10]

Answer:

Lon's Lawns

Step-by-step explanation:

32X9=288

25X10+50=300

4 0
2 years ago
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