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spin [16.1K]
3 years ago
14

Find the value of x and the value of y.

Mathematics
1 answer:
Zolol [24]3 years ago
4 0
5x - 100 + x - 20 = 180 (sum of supplementary angles is equal 180)
6x - 120  = 180
6x = 300
  x = 50

x - 20 = 50 - 20 = 30

so
3y = 30 (vertical angles are equal)
 y = 10
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Please help this is due in 20 minutes
Allushta [10]

Answer:

1.SAS, ASA,

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3.C

4. If you could screenshot the whole page I can give tell you what it is.

3 0
3 years ago
Recall that the volume of a sphere is given by the formula V = 4/3pi to the 3rd
Kisachek [45]

9514 1404 393

Answer:

  1. (256/3)π ft³

  2. 33.49 ft³

Step-by-step explanation:

1. Put 4 ft into the formula where r is, then simplify.

  V = (4/3)π(4 ft)³ = (256/3)π ft³

__

2. The radius is half the diameter, so is 2 ft. Put that in the formula, along with the value for π, and do the arithmetic.

  V = (4/3)(3.14)(2 ft)³ ≈ 33.49 ft³

4 0
3 years ago
Eugenia walked all the way to school at 3 mph then realized she forgot her math book (how could she?!), so she ran back at 7 mph
kondor19780726 [428]

Let us say distance between Eugenia's home and school is x miles.

Speed of Eugenia when she walked from home to school = 3 mph

Speed of Eugenia when she walked from school to home = 7 mph

Total time taken = 45 minutes or 0.75 hours

We know that the speed distance formula is given by:

speed=\frac{distance}{time}

time=\frac{distance}{speed}

Time taken by Eugenia when she walked from home to school = x/3 hours

Time taken by Eugenia when she walked from school to home = x/7 hours

Total time taken = x/3+x/7

So forming an equation we have,

\frac{x}{3}+\frac{x}{7}=0.75

Taking lcd of 7 and 3 as 21,

\frac{7x}{21}+\frac{3x}{21}=0.75

\frac{10x}{21}=0.75

10x=15.75

Dividing both sides by 10 , we have

x= 1.575

Answer: So we can say that the distance between Eugenia's house and school is 1.575 miles.




4 0
3 years ago
a baker orders 162 eggs. each cartoon contains 18 eggs. which equation can you use to find the number x of cartoons?
Oxana [17]
18x = 162

x = 9

There are 9 cartons filled with 18 eggs each, which is 162 eggs in total.
4 0
3 years ago
Can some one please explain this to me
bezimeni [28]
Make me the brilranest.thankyou.i hope it was helpful

5 0
3 years ago
Read 2 more answers
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