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Ulleksa [173]
3 years ago
9

T is your daughter's birthday and you are preparing a family meal. The joint of meat needs to be cooked for 30 minutes per 500 g

plus an extra 20 minutes. How long will it take to cook a joint of meat weighing 2.5 kilograms? Enter your answers in minutes.
Mathematics
1 answer:
Basile [38]3 years ago
8 0
2.5kg is 2,500g
2,500g/500g= 5
Cook time= (30minutes*5) + 20 minutes
170 minutes
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Step-by-step explanation:

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Answer:

D. 5 inches

Step-by-step explanation:

Given:

A frozen dinner is divided into 3 sections on a circular plate with a 12-inch diameter.

That means complete angle having 360° is divided into 3 section.

The central angle formed by the peach cobbler is 105 degrees.

The central angle formed by the pasta is 203 degrees.

<u>Question asked:</u>

What is the approximate length of the arc of the section containing the peas?

<u>Solution:</u>

The central angle formed by the peas = 360° - 105° - 203°

                                                                = 52°

Ridius,r=\frac{Dameter}{2} =\frac{12}{2} =6\ inches

As we know:

Length\ of\ arc=2\pi r\times\frac{\Theta }{360}

                        =2\times\frac{22}{7} \times6\times\frac{52}{360} \\ \\ =\frac{13728}{2520} \\ \\ =5.44\ inches

Therefore, the approximate length of the arc of the section containing the peas are 5 inches.

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3 years ago
A function is a relation in which for each element in the domain there is exactly one element of the range
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Varvara68 [4.7K]

Answer:

a = 1.5

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Step-by-step explanation:

First, we need to solve (x+a)^2 and replace the result in the initial equation as:

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Then, this equality apply only if the coefficient of x is equal in both sides and the constant is equal in both sides.

It means that we have two equations:

3x=2ax\\4=a^2+b

So, using the first equation and solving for a, we get:

3x=2ax\\3=2a\\a=\frac{3}{2}=1.5

Finally, replacing the value of a in the second equation and solving for b, we get:

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