3 years ago

Can someone help please!!!!!!

Mathematics

1 answer:

ivanzaharov [21]3 years ago

7 0

Answer:

The Answer for 19 is x+y=38.

The Answer for 20 is 2x+5y=100.

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In chemistry, there is a class of compounds called alkanes. They have the general formula 2x+2, where stands for a carbon

mixer [17]

Answer:Alkanes: CnH2n+2

n=8 --> C8H18. So it is 18 atoms

Step-by-step explanation:

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2 years ago

Use The Scale Factor 1:12 To Find The Missing Dimension

adell [148]

Answer:

The length of the model is 21 inches

Step-by-step explanation:

we have

The scale factor

$\frac{1}{12}$

That means

1 unit in the model represent 12 units in the actual

1 inch in the model represent 12 inches in the actual

Remember that

$1\ ft=12\ in$

1 inch in the model represent 1 ft in the actual

The scale factor is

$\frac{1}{1}\ \frac{in}{ft}$

therefore

21 ft in the actual represent 21 inches in the model

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2 years ago

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kupik [55]

Answer: C

Step-by-step explanation:

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2 years ago

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What summary can be made from the box plot below

emmainna [20.7K]

I believe it is the 1st option.

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3 years ago

Read 2 more answers

Circumference of a circle

solmaris [256]

Answer:

50.27 units

Step-by-step explanation:

The formula for the circumference of a circle is:

C = $\pi$ d

where, d = diameter

Now plug in the values as shown below:

C = $\pi$ 16

C = 50.27

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2 years ago