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sp2606 [1]
3 years ago
13

What would my grade be if i had a 76% in the class, then got a 0% on a test worth 70% of my grade?

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
7 0

Answer:

I believe it would be 6

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4x - 3 = 2x + 7 what would the answer be??
TiliK225 [7]

Answer:

x = 5

Step-by-step explanation:

Step 1: Subtract 2x from both sides.

4x−3−2x=2x+7−2x

<u>2x−3=7</u>

Step 2: Add 3 to both sides.

2x−3+3=7+3

<u>2x=10 </u>

Step 3: Divide both sides by 2.

2x/2 = 10/2

x=5

5 0
3 years ago
In a large urban high school, all students are assigned to a homeroom. One of those homerooms has 30 students in it, and all the
Elis [28]
If the school has 3000 students, there are
.. (3000 -30)/27 = 110
homerooms with 27 students.

Then there were 3*110 +4 = 334 participants in the survey.
4 0
3 years ago
There were approximately 1.6 * 10 pieces of mall processed by the United States Postal
mihalych1998 [28]

Answer:

x = 2.13 × 10^11

Approximately 2.13 × 10^11 mails were processed in 2006

Completed question;

There were approximately 1.6 * 10^11 pieces of mall processed by the United States Postal

Service in 2012. This is about 75% of the number of pieces of mail processed in 2006.

Approximately how many pieces of mail were processed by the United States Postal Service in

2006​

Step-by-step explanation:

Let x represent the number of mails processed in year 2006

Given;

Number of mails processed in 2012 N = 1.6 × 10^11

Number of mails processed in 2012 N is about 75% of the number of pieces of mail processed in 2006.

So;

N = 75% of x

N = 0.75x

x = N/0.75

x = (1.6 × 10^11)/0.75

x = 2.13 × 10^11

Approximately 2.13 × 10^11 mails were processed in 2006

3 0
3 years ago
How to find the mean of 2, 7, 6, 1, 9, 2, 4, 9
Lady_Fox [76]

Answer:

5

Step-by-step explanation:

Add the numbers together, then divide that by the amount of numbers

(2 + 7 + 6 + 1 + 9 + 2 + 4 + 9)/8

40/8 = 5

6 0
2 years ago
If the sin 90° = 1, then the cos 0° = _____. (1 point)
Cloud [144]
<span>sin 90° = 1
</span>
cos 0° = 1

There's a simple formula : <em>sin θ = cos (90°- θ)</em> or <em>cos θ = sin (90°- θ) </em>

So : cos 0° = sin (90° - 0°) = sin 90° = 1


7 0
3 years ago
Read 2 more answers
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