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Triss [41]
2 years ago
6

Hello :) so I'm horrible at math, but since finals are coming up I want to calculate what my final grade will be if I were to fa

il a chem test worth 50 points. Right now my grade is an A- (93.32%). Also what grade would I have to get on the final in order to keep an A- (at least 90%)?
Mathematics
2 answers:
Nutka1998 [239]2 years ago
7 0

Answer:

It depends on your total points and how much you already have

Step-by-step explanation:

So you gotta add up your total possible points right now and add 50 to it.

Then divide your current amount of points by the total possible points + 50.

Example. Suppose you had 93 points out of 100 right now.

Then you add 50 to 100 and you get 150.

After you divide 93 by 150, which equals 0.62.

Also, depends on whether exams and homework are weighted differently in your grading system.

Natalka [10]2 years ago
6 0

Answer:91

Step-by-step explanation:

If the best grade is 100,91 is it.

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Find the slope of the line going through the points (0,6) and (-3,9)
andre [41]

Answer:

The slope of the line is 5.

The point slope form of the line is y=5x+6.

Step-by-step explanation:

We can find the slope using this formula: \frac{y_{2} }{x_{2} } -\frac{y_{1} }{x_{1} }

\frac{6}{0} -\frac{9}{-3} =

\frac{6}{0} -(-\frac{9}{3} )=

\frac{6}{0} +\frac{9}{3} =

\frac{15}{3} =

5

The slope of the line is 5.

To find point slope form, we use the equation y=mx+b where m is the slope and b is the y-intercept.

The y-intercept of this slope is 6 and the slope is 5 so we get, y=5x+6

7 0
3 years ago
Please help and explain it would be very helpful​
iris [78.8K]
So for the first one think of it as decimals so it’s easier: 9.20-7.35, subtract and it would be 1.85 so since we use decimals to make it easier it isn’t actually a decimal so it would be 2 hours and 25 minutes. And for the second one you just add 50 minutes to that and you would get 3 hours and 15 minutes.

6 0
3 years ago
Convert the following to standard form <br><br>y=2/5 x - 1/3​
Afina-wow [57]

<u>Given </u><u>:</u><u>-</u>

  • y = 2/5x - 1/3

<u>To </u><u>Find</u><u> </u><u>:</u><u>-</u>

  • To convert the given equation into standard form.

<u>Solution</u><u> </u><u>:</u><u>-</u>

As we know that the standard form of the line is ,

\sf\longrightarrow ax + by + c = 0

So the given equation is ,

\sf\longrightarrow y = 2/5x -1/3

\sf\longrightarrow y = 6x - 5/15

\sf\longrightarrow 15y = 6x - 5

\sf\longrightarrow 6x -15y -5 = 0

<u>Hence</u><u> the</u><u> required</u><u> </u><u>equation</u><u> of</u><u> the</u><u> line</u><u> is</u><u> </u><u>6</u><u>x</u><u> </u><u>-15y-5=</u><u>0</u><u>.</u>

8 0
2 years ago
Is there a solution <br> y=3x+1 y=3x+5
umka21 [38]

Answer:y = 3x + 5 is a linear equation in two variables and it has infinite possible solutions.

Step-by-step explanation:

3 0
3 years ago
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Add 84.0393 and 231.6581 and round the sum to the nearest hundredths and thousandths
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I can help. What do you mean “hundredths and thousandths” cuz you only round one?
7 0
3 years ago
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