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enyata [817]
3 years ago
15

A student found the slope of a line that passes through the points (3,15) and (5,9) to be -1/3. what mistake did he make

Mathematics
1 answer:
Vlad [161]3 years ago
4 0

He didn't do it as rise over run, or y2-y1/x2-x1

He did it reverse, which is incorrect.

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Seth invested a certain amount of money and got back an amount of $ 8400. If
kupik [55]

Answer:

$7700

Step-by-step explanation:

amount invested + interest = total

amount invested + 700 = 8400

Subtract 700 from both sides.

amount invested = 7700

Answer: $7700

5 0
2 years ago
Nick starts with 20 milligrams of a radioactive substance. The amount of the substance decreases by 14 each week for a number of
zlopas [31]

Answer:

Eric's expression is :

20(\frac{1}{4})^w

and Andrea's is :

(1-0.5)^w

In Eric's expression, 20 represents the initial amount of substance with which he has started the experiment. \thinspace \frac{1}{4}\thinspace is the amount of substance left after each time period (in this case, each week).The variable w in this case represents the number of weeks.

Andrea's expression can be written as :

1\cdot (1-0.5)^w

The one outside of parentheses represents the initial amount of the substance. The one inside of parentheses represents 100% of the original amount of the substance. 0.5 represents the 50% of the substance that is lost each time period. The variable w in this case represents the number of weeks.

8 0
3 years ago
Read 2 more answers
How do you divide 100.5/1.5
aivan3 [116]
Divide 100.5 by 1.5 to get 67.67
7 0
2 years ago
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Find the volume of a square pyramid with base edges of 48 cm and a slant height of 26 cm.
Readme [11.4K]
The volume of a square pyramid with base edges of 48 cm and a slant height of 26 cm = 7,680cm^3
3 0
3 years ago
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A statistical program is recommended.
lukranit [14]

Answer:

Which is the output of the formula =AND(12>6;6>3;3>9)?

A.

TRUE

B.

FALSE

C.

12

D.

9

Step-by-step explanation:

3 0
2 years ago
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