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Mariulka [41]
3 years ago
5

the ratio of 7th graders to 8th grader at a school dance is 3 to 2. there are 54 7th graders at a dance. how many 8th graders ar

e at the dance?
Mathematics
1 answer:
Georgia [21]3 years ago
6 0
I just want u to know that u are loved
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Find each angle measure to the nearest degree.<br> 15) tan C = 0.1405
Ivanshal [37]

Answer:

C=8^o

Step-by-step explanation:

To find the angle C given the equation tan(C)=0.1405, use the "arctan" function [which is the inverse function of tangent] on both sides of the equation as shown below:

tan(C)=0.1405\\arctan(tan(C)) = arctan(0.1405)\\C=arctan(0.1405)\\C=7.9977^o

This can be rounded to the nearest degree as: C=8^o

3 0
3 years ago
Please help will give 5 star, thanks, brainliest.
Neko [114]
Short answer: 60°

Explanation: All inner angle of a triangle add up to 180° so 180° - 60° - 60° = 60°
Subtracting the 2 already given angels must be subtracted from 180° to know the final angle
8 0
2 years ago
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What is the slope of 5x - 6y = 13
Nimfa-mama [501]
Let’s change the equation into
y=mx+b

5x-6y=13 Subtract 5x on both sides
-6y=-5x+13 Then divide by -6 on both sides
Y=5/6x-13/6

m will be your slope
so:
Slope=5/6
8 0
3 years ago
Help(T_T)<br> "Give 7.897 correct to 2 decimal places"
Lynna [10]

Answer:

7.89 till two decimal places.....

hope it helps

7 0
2 years ago
A jar contains 6 red marbles numbered 1 to 6 and 4 blue marbles numbered 1 to 4. A marble is drawn at random from the jar. Find
svetoff [14.1K]

Answer:

Step-by-step explanation:

A

The marble is red. There are 6 red marbles out of ten. So the answer is

6/10 = 0.60

B

Red: 1 3 5

Blue: 1 3

So there are 5 ways that you can draw an odd number. The problem is that they are not evenly distributed.

Red: 1/2 * 3/6 = 1/4 = 0.25

Blue: 1/2 * 2/4 = 0.25

Red + blue = 1/4 + 1/4 = 1/2

You could have gotten 1/2 by taking 5/10 but that won't always work.

C

4 0
3 years ago
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