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Marizza181 [45]
4 years ago
6

Last yearrhere were 1436 8th grade students enrolled at your school. This year there are 1220. What is the percent change in the

number of 8th grade students?
Mathematics
1 answer:
Tanzania [10]4 years ago
8 0

\frac{1220 \times 100}{1436}  \approx 85\% \\ 100\% - 85\% = 15\% \: change

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Who is Pythagorean? when was he born? when did he die?
Rama09 [41]

Answer:

" Pythagoras established the first Pythagorean community in Crotone, Italy. Early Pythagorean communities spread throughout Magna Graecia. "

"was an ancient Ionian Greek philosopher and the eponymous founder of Pythagoreanism . " <---------- Credits to: Yahoo

He was born in about 570 BC on the Greek island of Samos

He died in 495 BC

4 0
3 years ago
A mine elevator was at a depth of -120 feet. After 15 seconds, the mine elevator was at a depth of -30 feet. Which expression sh
KonstantinChe [14]
-120 + -30 = 90. 90/15 = 6
Answer ; 6mph
8 0
3 years ago
You are randomly selecting 3 cans of regular and diet cola, but assume that there are 6 cans of regular cola and 7 cans of diet
gayaneshka [121]

Answer:0.367

Step-by-step explanation:

Given

There are 6 cans of regular and 7 cans of diet cola

number of ways of selecting 2 regular colas and 1 can of diet cola is

\Rightarrow ^6C_2\times ^7C_1

The total no of ways of selecting 3 items out of 13 items is

\Rightarrow ^{13}C_3

Probability is

\Rightarrow P=\dfrac{^6C_2\times ^7C_1}{^{13}C_3}=\dfrac{105}{286}\\\Rightarrow P=0.367

6 0
2 years ago
Factor: 120u² + 125u + 30.
NemiM [27]

Answer:

5(3u+2)(8u+3)

Step-by-step explanation:

lmk if you want an explanation

6 0
2 years ago
Read 2 more answers
Classify the system and identify the number of solutions. X-2y-2z=8 2x+6y-2z=9 8x-6y-14z=11
seropon [69]

Answer:

xyz=-3.11

Step-by-step explanation:

X+2x+8X-2y+6y-6y-2z-2z-14z=8+9+11

11x-8y+6y-18z=28

11x-2y-18z=28

xyz(11-2-18)=28

xyz(11-20)=28

xyz(-9)=28

xyz=28/-9

xyz=-3.11

8 0
3 years ago
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