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Tems11 [23]
2 years ago
9

Please help me with this

Mathematics
2 answers:
masha68 [24]2 years ago
7 0

Answer:

12

Step-by-step explanation:

10x-11+3x-2+3x+1=180

16x-12=180

16x=192

x=12

Luba_88 [7]2 years ago
5 0

Answer:

12

Step-by-step explanation:

The sum of three angles is 180°

(3x + 1) + (3x-2) + (10x -11) = 180°

16x -12 = 180

16x = 192

x = 12

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faust18 [17]

Answer:

B.

Step-by-step explanation:

Just did the quiz

6 0
3 years ago
An electrician can wire a house in 20 hours. if she works with an apprentice, the same job can be completed in 12 hours. how lon
AlekseyPX
We know that
<span>An electrician can wire a house in ------------> 20 hours
so
100%----------------> 20 hours
 X-------------------> 12 hour
x=12*100/20----> x=60%

that means 
</span><span>the apprentice in 12 hours complete the (100-60)----> 40%

</span>the apprentice in 12 hours complete -------> 40%
x hours------------------------------------> 100%
x=100*12/40-----> x=30 hours

the answer is
30 hours


4 0
3 years ago
Nina earns $15 for each yard she mows the table shows her earnings for 0, 1, 2 and 3 yards mowed how much will Nina earn if she
Paha777 [63]
Hello there!

According to the chart, you can see that for every lawn Nina mows, she earns $15. So it's increasing by 15 per yard.

Let's see if this will help:

1 yard= $15
6 yards = ???

I don't want to give you the answer right away, since I want you to learn how to do it. :)

I hope my hint helped!!

(If you're really stuck, take 6 times 15)!


Hope this helped!!

-----------


DISCLAIMER: I am not a professional tutor or have any professional background in your subject. Please do not copy my work down, as that will only make things harder for you in the long run. Take the time to really understand this, and it'll make future problems easier. I am human, and may make mistakes, despite my best efforts. Again, I possess no professional background in your subject, so anything you do with my help will be your responsibility. Thank you for reading this, and have a wonderful day/night!
8 0
3 years ago
The price of an item has been reduced by 95%. The original price was $93.
mixas84 [53]

Answer:

4.65

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which number should each side of the equation 4/5x=8 be multiplied by to produce the equivalent equation of x = 10?
madreJ [45]
C bcz i had l
this last month and it was correct

6 0
3 years ago
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