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Otrada [13]
3 years ago
5

There are 90 seats on a train. 63 of the seats are empty. What percentage of the seats on the train are empty?

Mathematics
1 answer:
Trava [24]3 years ago
8 0

Answer:

70%

Step-by-step explanation:

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Please answer hurry!!!!
lutik1710 [3]
The best way to solve this problem is by plugging in each answer choice for both equations and seeing which one works. You can already see that choice A doesn't work because -1 is not greater than or equal to 4. That means you just need to test choices B and C!

Choice B (4, -2)
x + y  \geq 6\\
4 + -2  \geq 6\\
2  \geq  6 

2 is not greater than or equal to 6, so choice B doesn't work.

Choice C (4, 2)
x + y \geq 6\\ 
4 + 2 \geq 6\\ 
6 \geq 6 \\\\
x  \geq 4\\
4 \geq 4
Since 6 is equal to 6 and 4 is equal to 4, choice C works!

-------

Answer: C) (4, 2)
6 0
2 years ago
An artist is cutting pieces of glass for a stained glass window.<br> Please help!
Shtirlitz [24]

Answer:

35°

Step-by-step explanation:

The important information is that the angle is complementary to the angle 55°. A complementary angle is and angle plus another that equal 90°.

55° + x° = 90°

x = 35°

5 0
2 years ago
Sanford's shoe store received a shipment of shoes for its newest location. The manager determined that 35% of the shoes were ath
Setler [38]
35\%=\frac{35}{100}=\frac{35 \div 5}{100 \div 5}=\boxed{\frac{7}{20}} \Leftarrow \hbox{the answer is A}
5 0
3 years ago
Read 2 more answers
there are some pets in a pet shop. 36% of them are rabbits, 28% of them are dogs and the rest are hamsters. If there are 160 dog
guapka [62]

Answer:

250

Step-by-step explanation:

36% are rabbits, and 28% are dogs.  That means the percent that are hamsters is:

100% − 36% − 28% = 36%

There are 160 dogs and hamsters, which are 28% + 36% = 64% of the pets.  Therefore, we can write and solve a proportion:

160 / 64% = x / 100%

x = 250

There are a total of 250 pets.

3 0
3 years ago
Read 2 more answers
Which description best describes the solution to the following system of equations? (1 point)
Minchanka [31]

Answer:

b

Line y = −2x + 3 intersects the line y = −x + 1.

Step-by-step explanation:

We are given the following system of linear equations:

y = −2x + 3

y = −x + 1

Solution of a system of linear equations:

The solution of a system of linear equations is the point in which the two lines intersect.

In this question, the two lines are y = -2x + 3 and y = -x + 1, which means that the correct answer is given by option b.

4 0
3 years ago
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