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Digiron [165]
3 years ago
12

An example of heat transfer by convection is the ____.

Mathematics
1 answer:
pav-90 [236]3 years ago
8 0
<span>B: Formation of air currents</span>
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Really struggling on this
navik [9.2K]
Angle 4 would be 77degrees because angle two is vertical to angle four.

Angle 3 and Angle 1 are equal because they are vertical to each other.

You would subtract 180 (degrees) minus 77 (degrees) and get 103 (degrees).

So Angle 3 and Angle 1 would both be 103 degrees.

You would get 180 degrees from the line.

5 0
2 years ago
Complete the table.<br> f(y) = 4y2 - 4v<br> f(v<br> -4<br> -3<br> -2<br> -1
Nastasia [14]

Answer:

f(y) = 4y2 - 4v

f(y) = 4y² - 4(-4) = 4y² + 16

f(y) = 4y² - 4(-3) = 4y² + 12

f(y) = 4y² - 4(-2) =4y² + 8

f(y) = 4y² - 4(-1) = 4y² + 4

Step-by-step explanation:

6 0
3 years ago
How many different four lettered codes can be formed if the first letter must be an S or a T
emmainna [20.7K]

Answer:

27,600

Step-by-step explanation:

We use the following formula:-  

Number of permutations of r from n

= nPr

= n! / (n-r)!

I am assuming you don't allow repeated letters in the 4 letter codes.

Take S as the first letter. Then we have 3 letters extra out of 25 letters.

Using the above formula the possible ways of doing this is

25! / (25 - 3)!

25! / 22!

= 25*24*23

= 13800.

The same number is obtained if the first letter is a T.

So the answer is 2*13800

= 27,600

8 0
3 years ago
Kiley invited 10 students to her home, and 20 showed up. What percentage of the number invited showed up?
QveST [7]

Answer:

200% of the number she invited.

Step-by-step explanation:

20/10 = 2

2 x 100 = 200

5 0
3 years ago
Read 2 more answers
Sophia has $6,000 to invest. She is considering two investment options.
dlinn [17]
Your answers are: Option A, because the investment will have a greater value.

And..... Option B, The investment will have a greater value.
8 0
3 years ago
Read 2 more answers
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