3 years ago

Help me with this pls

Mathematics

1 answer:

AleksandrR [38]3 years ago

3 0

Answer:

% 12626373893 /282828292

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A circle has a radius of 6ft. What is the area of the sector formed by a central angle measuring 300 degrees

scoundrel [369]

Answer:

30π ft^2 which is 94.25 ft^2 to the nearest hundredth.

Step-by-step explanation:

The area of the full circle is π * 6^2

= 36π so:

the area of the 300 degrees sector = 300 * 36 π / 360

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a calculator costs 12.99. if its on sale for 20% off and sales tax is 6.25% what is the final cost of the calculator?

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3 years ago

Read 2 more answers

Betsy can clean a b of the house in an hour. How long will it take her to clean the whole house?

kipiarov [429]

Answer:

$\frac{b}{a}$ is the total time taken to clean the house.

Step-by-step explanation:

Given that:

Betsy cleans $\frac{a}{b}$ of the house.

Time taken = 1 hour

To find:

Time taken to clean the whole house = ?

Solution:

We can use unitary method here to solve this problem.

We are given that $\frac{a}{b}$ of the house is cleaned in 1 hour.

We have to find that a total of 1 house will be cleaned in how much time.

(1 house because Betsy's house can be considered as a single unit).

To find this we will divide 1 hour with $\frac{a}{b}$ .

Now, Let us solve this mathematically:

$\frac{a}{b}$ of the house is cleaned in = 1 hour

1 of the house will be cleaned in = 1 hour divided by $\frac{a}{b}$

$\dfrac{1}{\dfrac{a}{b}}\ hours\\\Rightarrow \dfrac{1 \times b}{a}\ hours\\\Rightarrow \dfrac{b}{a}\ hours$

So, the <em>answer </em>is:

$\frac{b}{a}$ is the total time taken to clean the house.

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4 years ago

What times 5 equals 2365?

PilotLPTM [1.2K]

473 times 5 equals 2365.

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4 years ago