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Mathematics

1 answer:

Ksju [112]3 years ago

5 0

Answer:

125.6 cm²

Step-by-step explanation:

the area of sector = 225/360×3.14×8²

= ⅝ × 3.14 × 64

= 3.14 × 40

= 125.6 cm²

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Marla helped her mother and father fold invitations and put them into envelopes. If Marla can fill 36 envelopes in 30 minutes, h

statuscvo [17]

Answer:

40 minutes

Step-by-step explanation:

12 envelopes every 10 minutes.

48 envelopes = 40 minutes

3 0

3 years ago

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A train has 6 passenger cars and each car has 4 columns of seats and each column holds 50 passengers. If one of the cars has 25

Tema [17]

Given:
The train has 6 passenger cars
Each car has 4 columns
And 1 column hold 50 passengers

So, total of seats will be = 6 * 4 * 50 = 1200

Now, there are 25 empty seats,

therefore the correct equation will be :

Number of seats per car: 4 × 50 = 200

Total number of seats: 200 × 6 = 1,200

Number of passengers: 1,200 − 25 = p

6 0

3 years ago

You have to download question

solmaris [256]

Answer:

B) Mode doesn't change.

Step-by-step explanation:

Given:

A set of data with 16 being added to the set.

The mode of a given set of data is the data that is repeated the most number of times.

Here, 19 is repeated 3 times, so the mode is 19.

Now, if a number other than that of 19 being added, doesn't affect the mode of the data set as 19 will still be 3 times and adding 16 will not increase its number in the set.

So, the correct option is B.