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dolphi86 [110]
3 years ago
15

Shirley got 72% on a Chemistry exam. The test was marked out of 150.

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

Nhjj

Step-by-step explanation:

tankabanditka [31]3 years ago
4 0

Step-by-step explanation:

the answer is

a)108

b)120

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One cold night the temperature was 0 degrees at 8 p.m. The temperature dropped at a constant rate from 8 p.m. to midnight. At mi
aliina [53]

Answer:

- 4.2 degrees

Step-by-step explanation:

If the drop was from temp 0 at 8 pm to temp -16.8 at midnight (4 hours later)

then,the drop is given by the rate: -16.8/4 = - 4.2 degrees per hour

Therefore, at 9 pm the temperature was:

0 degrees - 4.2 degrees = - 4.2 degrees

5 0
3 years ago
Read 2 more answers
Hurry please!!! Fast response
AlladinOne [14]

Answer:

A.

SA= \frac{2}{3} \pi rl+16 \pi r^2

Step-by-step explanation:

Surface area of the original cone

SA= \pi r l + \pi r^2... (1)

When, radius is quadrupled and slant height is reduced to one sixth

i. e. \: \:r = 4r\: \: \&\:\: l= \frac{1}{6}l

Plug the above values of r and l in equation (1), new surface area becomes:

SA= \pi (4r)\times \frac{1}{6} l+ \pi (4r)^2

SA= \frac{4}{6} \pi rl+16 \pi r^2

\huge \purple {\boxed {SA= \frac{2}{3} \pi rl+16 \pi r^2}}

8 0
3 years ago
Of the last three chapters tests given in a computer programming class, 11 students passed all three tests , 9 students passed t
mote1985 [20]

Answer:

59%

Step-by-step explanation:

simply, it would be 11+2/22 = 59%

I assume there are no student that passed 0 tests

5 0
4 years ago
Liam sorted music albums in his collection into three genres as shown
djverab [1.8K]
BDE are the correct options
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3 years ago
The area of a square can be found using the equation A = s², where A is the area and s is the measure of one side of the square.
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Well the opposite of a square is a square root so it would be s=[square root of]60
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3 years ago
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