2 years ago

If my grade is an 72 and I get a 100 on a test, how will that affect my grade? (What will my grade be after?)

2 answers:

8 0

Ask the teacher if it’s a major grade if it’s a major grAde it will definitely improve unless it’s under a regular grade it won’t do much probably go up to a 78

pychu [463]2 years ago

4 0

Answer: It depends on what categories your teacher has and what percent of your grade it is worth. I would recommend an online grade calculator

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Which of the following shows the sum of the polynomials −3x2+3y2+4x and 4x2−4y+2? A. −3x2+3y2+4x+4x2−4y+2 B. −x2+3y2+4x−4y+2 C.

Fed [463]

-3x² + 3y² + 4x + 4x² - 4y + 2

Add like terms.

x² + 3y² + 4x - 4y + 2

So the answer is D.

8 0

4 years ago

Read 2 more answers

The temperature of a city changed by -20°C over a four week. If the temperature changed by the same amount each week write an ex

andre [41]

Answer:

A) $T=\frac{-20}{4}$

B) T = -5 °C

Step-by-step explanation:

A) Let T be the change in temperature of the week. T is determined as the total temperature change (-20°C) divided by the number of weeks that have passed (4 weeks). The expression is:

$T=\frac{-20}{4}$

B) In order to simplify the expression, simply perform the division.

$T=\frac{-20}{4}\\T=-5^oC$

This means that the temperature has dropped by 5 degrees each week.

8 0

3 years ago

What is 2 1/2 - 1 1/8

Lady bird [3.3K]

Answer:

<h2>Convert the <em>mixed numbers</em> to </h2><h2><em>improper fractions</em>, </h2><h2>then find the <em>LCD</em> and combine.</h2>

<u />

<u>Exact Form:</u>

11/8

<u>Decimal Form:</u>

1.375

<u>Mixed Number Form:</u>

1 3/8

4 0

3 years ago

Simplify each expression 8+7y-3y+2-4

Kobotan [32]

Answer:

6+4y

Step-by-step explanation:

8 0

3 years ago

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B is decreased by 40% and decreased again by 40%. What is the result?

skelet666 [1.2K]

Answer:

result is 20%

Step-by-step explanation:

initially B was 100%

therefore 100% - 40%

=60% remaining

60% - 40%

= 20%

3 0

2 years ago