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Mathematics

1 answer:

Liula [17]2 years ago

6 0

Answer:

C = 66 cm

Step-by-step explanation:

C = pi*diameter

C = pi*21

C= 65.9734457254

C is around 66 cm (when rounded to whole number)

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Tax returns filled manually have a 20% chance of containing errors while tax returns filled electronically have a .05% chance of

Travka [436]

Answer:

538,650

Step-by-step explanation:

We must first find how many errors there will be if filed manually and if filed electronically

Manually: 2,700,000*20% or 2,700,000*.2

Answer: 540,000 errors

Electronically: 2,700,000*.05% or 2,700,000*.0005

Answer: 1,350 errors

We must then find the difference; 540,000-1,350=538,650

7 0

3 years ago

Read 2 more answers

A grocery store recieves a 180-pound crate containing six 10-pound bags of potatos and an unknown number of 5-pound bags of pota

Diano4ka-milaya [45]

Answer:

$60+5x = 180$

Step-by-step explanation:

Let the number of bags of potatoes be x.

We have been given that a grocery store receives a 180-pound crate containing six 10-pound bags of potatoes and an unknown number of 5-pound bags of potatoes.

The weight of 6 potato bags of 10 pound each will be $6\times 10=60$ pounds.

We can write an equation for the number of bags of potatoes by equating the weight of six 10-pound bags of potatoes and x 5-pound bags of potatoes with 180 pounds.

$6*10+5x = 180$