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trapecia [35]
3 years ago
12

-19+3x-11+2x=2 What the answer

Mathematics
2 answers:
Vladimir [108]3 years ago
8 0

Answer:

Step-by-step explanation:

x = 32/5

Decimal Form:

x = 6.4

Mixed Number Form:

x = 6 2\5

Law Incorporation [45]3 years ago
4 0

Answer:

x=6.4

Step-by-step explanation:

-19+3x-11+2x

=(3x+2x)-(11+19)

=5x-30

so

5x-30=2

5x=32

x=32/5

To make this easy I'll multiply the fraction by 2

x=64/10

x=6.4

You might be interested in
Idk the answer to this question please help me
erica [24]
2/3 x 42/3
hope this helps

7 0
3 years ago
Find the perimeter of this semi-circle with radius, r = 22cm. Give your answer rounded to 1 DP.
shepuryov [24]

Answer:

69.1 cm

Step-by-step explanation:

Circumference of a circle

c = 2πr

Half of that would be a semi-circle

c = πr

c = π * 22

c = 69.115038379

Rounded

69.1 cm

3 0
3 years ago
1. 5+8 ÷2-7<br> 12× 3-42+20<br> please help me now<br> I will report your answer if bad
defon

1. 2

2. 14

5+(8÷2)-7

5+4-7

=2

(12x3) - 42 + 30

36-42+30

=14

4 0
2 years ago
Sketch the graphs of the line system on a corporate:{2x-y=1} {y=5x-5}
Papessa [141]
I don’t know what some of that means but I can do the start for you? You rearrange
2x-y=1.

To do this, you +y to both sides, giving you 2x=1+y and then you minus 1, giving you 2x-1=y

Which can be rewritten the other way round to make it slightly easier

y=2x-1

You also have y=5x-5

These are both straight line equations and are now in the form y=mx+c

To sketch these graphs I would do two tables.

X -3 -2 -1 0 1 2 3
Y

For this, you now substitute each of the values for X into one of the equations you have. This is 2x-y=1 (2x-1=y)


X -3 -2 -1 0 1 2 3
Y -7 -5 -3 -1 1 3 5

You may have noticed a pattern there, the y values increased by two each time. This makes it linear. You would plot that line, onto an axis, using the coordinates you now have.
So, (-3, -7), (-2,-5), (-1,-3), (0,-1), (1,1), (2,3), (3,5)

Then I would do the same for the second equation, and plot that too.


X -3 -2 -1 0 1 2 3
Y -20 -15 -10 -5 0 5 10

You may have spotted this time the values increased by 5.

Then again plot this line using the coordinates shown.

I honestly have no idea what it means by “the line system on a corporate” but if that means on an axis then there’s your answer. If not then I do not know.

Hope this helps?
8 0
3 years ago
Help plz my dudes easy problem 
erik [133]
The graph will be a straight line because time is passing but the height is not increasing. the maximum height would be 80m according to the graph
5 0
3 years ago
Read 2 more answers
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