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Vanyuwa [196]
3 years ago
10

What is a plane figure bounded by four straight line​

Mathematics
1 answer:
Neko [114]3 years ago
6 0

Answer:

A plane figure with 4 sides is called a quadrilateral.

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If David plays 3 tennis matches every week for 9 weeks, how many matches will he play altogether
kari74 [83]
If he plays 3 matches a week for 9 weeks, you have to multiply 3&9.
3*9=27
Daniel will have played 27 tennis matches by the end of the 9 weeks.
Hope this helps:)
5 0
3 years ago
Read 2 more answers
How many solutions does this system of linear equations have? Explain. 3y + 6x = 12 8x + 4y = 16
Vilka [71]

Answer:

first equation : 3y + 6×=12

second equation : 4y + 8x = 16

Step-by-step explanation:

first equation

3y + 6× = 12

now take the common ,

3( y + 2x ) = 12

so, y + 2x = 4

second equation

4y + 8x = 16

4 ( y + 2x ) = 16

so, y + 2x = 4

two lines with same equation have infinitely many solution . these two equations are the same so there are infinitely many solution .

3 0
2 years ago
Help on how to figure this out
MakcuM [25]
6/3 = 6 divided by 3
= 2

12/6= 12 divided by 6
= 2

3 0
3 years ago
The sum of the sequence of 685+678+671+664+...+6
lukranit [14]

Answer:

Sum of the sequence (Sn) = 33,859

Step-by-step explanation:

Given:

Sequence = 685+678+671+664+...+6

Find:

Sum of the sequence (Sn)

Computation:

a = 685

d = 678 - 985 = -7

an = 6

an = a+(n-1)d

6 = 685+(n-1)(-7)

-679 = (n-1)(-7)

97 = n-1

n = 98

So,

Sum of the sequence (Sn) = (n/2)[a+an]

Sum of the sequence (Sn) = (98/2)[685+6]

Sum of the sequence (Sn) = (49)(691)

Sum of the sequence (Sn) = 33,859

3 0
3 years ago
If a runner runs at a constant rate of 6 miles per hour how much time would it take for her to run 9 miles
Neko [114]

Answer:

1  1/2

Step-by-step explanation:

divide 9 by 6 (because its 6 miles per hour) you get 1  1/2. so it would be 1  1/2 hours or 1/5 hours

5 0
2 years ago
Read 2 more answers
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