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Gennadij [26K]
2 years ago
12

Question is down below

Mathematics
2 answers:
mash [69]2 years ago
4 0

Answer:

may be a

Step-by-step explanation:

I can't do explain

Vaselesa [24]2 years ago
3 0
Its a.
Bc the 1st set of numbers have a whole number. Can I get brainlyest?
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solve for each variable i don’t need work shown just the answers please thank you very much i have 2 hours to get this done
ale4655 [162]

Answer:

(a)

x = 18.5

y = 22.5

(b)

x = 10

Step-by-step explanation:

Solving (a):

7x - 19 and 3x + 14 are interior angles.

So:

7x - 19 + 3x +14 = 180

Collect like terms

7x + 3x = 180 - 14 + 19

10x = 185

x = 18.5

7x - 19 and 5y - 2 are equal angles --- corresponding angles

So:

5y - 2 = 7x - 19

Make 5y the subject

5y  = 7x - 19+2

5y  = 7x -17

Make y the subject

y = \frac{1}{5} (7x - 17)

Substitute x = 18.5

y = \frac{1}{5} (7*18.5 - 17)

y = \frac{1}{5} (112.5)

y = 22.5

Solving (b):

The triangle is right-angled.

So:

5x + 3 + 2x + 17 + 90 = 180

Collect Like Terms

5x + 2x = 180 - 90 - 17-3

7x = 70

x = 10

3 0
3 years ago
Nick bought 17 hamburgers for his friends. Each hamburger cost him $1.91, including tax. Which is the best estimate of the total
netineya [11]

Answer:

1.91 =2 and 17x2= around 34

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
I'm so confused. Please help I tried the first time got 50 some thing then 33 then 20.25. How do I do this?
vazorg [7]

Answer:

Basically, you have to think: more bricks : more time

more workers : less time

2,400 bricks 6 workers takes 18 hours

You now have to solve for 4,500 blocks and 10 workers

4,500 / 2,400 = 1.875 (times greater)

10 / 6 = 1.666666666 (times less)

So, we get 18 hours, multiply it by 1.875 and divide it by 1.666666666

which equals 20.25 hours

So, it seems you were correct on your third try.


Step-by-step explanation:


5 0
2 years ago
Lucas is solving this problem.
kumpel [21]
I think it's d... ok?
3 0
3 years ago
MATH HELP PLEASE !50 POINTS!
docker41 [41]

Answer: 108

Step-by-step explanation: You take the x and the 2/3x and combine them to get 1 2/3x, so 1 2/3x=180. 180 divided by 5 is 36, and 36 times three is 108

7 0
3 years ago
Read 2 more answers
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