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Ivahew [28]
3 years ago
13

there are 30 students in ms. McClendon's science class. of the students: 1/2 completed their homework, 40% said there dog ate th

eir homework and the rest were absent. what percent of the students were absent?
Mathematics
1 answer:
Lina20 [59]3 years ago
3 0

Answer: 10% were missing


Step-by-step explanation:

30 Students = 100% FYI in the problem

1/2 = 50%

50% + 40% = 90%

100% - 90% = 10%

Hope this helps.

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A country’s population in 1993 was 94 million.
Wewaii [24]

Answer:

Step-by-step explanation:

A = Pe^rt

A = total

P = amount you start with

r = rate

t = time

Let's calculate the rate.

99000000 = 94000000e^r*6

Divide each side by 94m

99000000/94000000 = e^6r

Take the natural log of e of both sides.

ln(99000000/94000000) = 6r

Divide each side by 6.

(ln(99000000/94000000))/6 = r

Now we can find the population in 2005.

A = 94000000e^0.00863751131 * 12

A = 104265957

The population in 2005 is 104,265,957 people.

6 0
3 years ago
Maria is putting up a shelf on a wall in her closet. The figure below shows triangle ABC, which
Degger [83]
To solve this you will need to know the Pythagorean therum A^2+B^2=C^2

24^+B^2=28^2
576+B^2=784
-576. -576
B^2=208
Square root of 208 is about 14.42 and that is the length of the wall
5 0
2 years ago
Read 2 more answers
If x,2x and 3x are the angles of a triangle find the size of angle​
miv72 [106K]

Answer:

<h2>x=30</h2><h2>2x=60</h2><h2>3x=90</h2>

Step-by-step explanation:

in total there is 6x

180/6=30

x=30

2x=60

3x=90

3 0
2 years ago
Read 2 more answers
(3,-7); m=4/3 write in standard form
Paul [167]

Answer:

In standard form it will be 4x-3y=33

Step-by-step explanation:

7 0
3 years ago
Look at the scatter plot and line of best fit below.
maw [93]

Answer:

Look at the scatter plot and line of best fit below.

у

X

What estimated correlation coefficient (r) best describes

this data?

+

0 -0.2

O 0.6

0 1

-0.85

Step-by-step explanation:

7 0
2 years ago
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