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Alinara [238K]
2 years ago
12

What is a pie chart in mathematics

Mathematics
2 answers:
Ksenya-84 [330]2 years ago
7 0

Answer:

Brainliest please if this helps!

Ymorist [56]2 years ago
5 0

Answer:

A pie chart is a type of graph that represents the data in a circular graph.

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True or false pls no guessing
marshall27 [118]

Answer:

True

Step-by-step explanation:

5 X 5 X 5 = 125 because 5 X 5 would be 25. And 25 X 5 would be 125.

6 0
2 years ago
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What’s 9 less than 12
Marta_Voda [28]
The answer is 3 because 12-9=3
5 0
3 years ago
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Radioactive Decay Beginning with 16 grams of a radioactive element whose half -life is 30 years ,the mass y(in grams) remaining
Flura [38]

Answer:

the equation should be corrected to fit the data of the problem.  With the corrected equation a mass of 0.5 grams remains after 150 years

Step-by-step explanation:

for the mass y( in grams)

y=23* (1/2)^(t/45), t ≥ 0.

the initial mass is at t=0 , then

y= 23 grams  → should be 16 grams

half-life from the equation = 45 years → should be 30 years

the correct equation should be

y=16*(1/2)^(t/30), t ≥ 0

then after 150 years  → t= 150

y=16*(1/2)^(150/30)= 16*(1/2)^5 = 16/32 = 0.5 grams

then a mass of 0.5 grams remains after 150 years

5 0
3 years ago
Solve 5-3^x=-40 round to the nearest ten-thousandth
solong [7]

5-3^x = -40

 subtract 5 from each side to get

-3^x=-45

 divide both sides by -1 to make them positive

3^x = 45

need to do the natural logarithm on both sides to remove the variable from the exponent

 so ln(3^x) = ln(45)

 use logarithm rule to move x out

x ln (3) = ln(45)

 dive each term by ln(3) then simplify to get

ln(3)/ln(45)

 so x = ln(3)/ln(45) which calculates out to 3.46497352

round off to ten thousandths is 3.4650

 

4 0
3 years ago
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Cecilia created 2.5 liters of a chemical mixture for an experiment. Saline solution accounted for 12.5% of the mixture. How many
tatyana61 [14]
2.5liters * \frac{12.5 liters saline solution}{100liters} = 0.3125 liters
5 0
3 years ago
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