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S_A_V [24]
3 years ago
10

How do i calculate a final grade if the course is 80 percent and the final exam is 20 percent

Mathematics
1 answer:
ANEK [815]3 years ago
7 0

I think its like if you got 80% on a quiz and 20% on the exam then your grade would be 60% which is usually a F

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Katie blows up a balloon and ties it so there is a fixed amount of air in the balloon.
kifflom [539]

Answer:

According to Charles' Law the order of arrangement of the location where the balloon has the smallest size to the location where the balloon has the largest size is given as follows;

A freezer < A cold refrigerator < A normal room temperature classroom < A warm cupboard

Step-by-step explanation:

The parameter of the balloon Katie blows are;

The amount of air in the balloon = Fixed (constant)

The initial size of the balloon = The length of the measured string

The locations in which the balloon can be placed = A freezer, a warm cupboard, a cold refrigerator, a normal temperature classroom

The size of the balloon is given by the volume of the balloon

according to Charles' Law, the volume of a given mass of gas is directly proportional to its temperature

Mathematically, Charles law can be expressed as follows;

V ∝ T

Therefore, as the temperature to which the balloon is subjected decreases, the volume decreases

The locations arranged in order of increasing temperature is given as follows;

Freezer < Cold refrigerator < Normal temperature classroom < Warm cupboard

Given that Katie blow's the balloon in a normal temperature classroom, according to Charles Law, we have;

The temperature of the air in the balloon decreases largely in a freezer, therefore, the size of the balloon largely decreases

The temperature of the air in the balloon increases in a warm cupboard, therefore, the size of the balloon increases

The temperature of the air in the balloon decreases slightly in a cold refrigerator, therefore, the size of the balloon decreases

The temperature of the air in the balloon remains the in a normal temperature classroom, therefore, the size of the balloon remains the same

The size of the balloon reduces the most in a freezer

The size of the balloon increases in a warm cupboard

The size of the balloon decreases slightly in a cold refrigerator

The size of the balloon remains the same in a normal temperature classroom.

8 0
3 years ago
F(x)=x^2. what is g(x)
RUDIKE [14]

Answer:

g(x) = 0.5x²

Step-by-step explanation:

Since the graph of g(x) still passes through the origin and is u shaped, it is also a quadratic graph but with a different coefficient of x².

Let g(x) = ax²

When x=2, g(x) = 1

Hence, 2a = 1

a = 0.5

Therefore, <u>g(x) = 0.5x²</u>

6 0
3 years ago
At Smith's Bar-B-Q restaurant, an entire slab of brisket weighs 12.8 pounds. It is cut into portions for sandwiches. Each portio
drek231 [11]

Answer:

51

Step-by-step explanation:

To figure out how many 0.25 lb pieces are in 12.8 lb slab of brisket, you need to divide 12.8 ÷ 0.25, which equals 51.2. Since you can't put the 0.2 of a piece in a sandwich, that gives you 51 pieces, which makes 51 sandwiches.

3 0
3 years ago
Need's answer quickly! Write an ordered pair that would be graphed in quadrant II.
monitta
-5,9

Hope this helps!
4 0
3 years ago
WHOEVER ANSWERS FIRST WITH A SERIOUS QUESTION WILL GET BRAINLIEST
shusha [124]

Answer: See Explanation

Step-by-step explanation:

Take the amount of money and divide by the ounces for how much it costs per ounce

1.35 / 12 = 0.1125 per ounce

2.10 / 20 = 0.105 per ounce

3.60 / 32 = 0.1125 per ounce

The Big Swig would be the best deal because the cost per ounce is the lowest, getting you the cheaper price for a good size. I believe I did this right, hope I could help.

6 0
3 years ago
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