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Simora [160]
3 years ago
13

Helpppppppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
DedPeter [7]3 years ago
5 0

Answer:

For every 15 students scoring in the 60's there were 9 students scoring in the 70's.

Step-by-step explanation:

Your first step would be to rewrite the numbers into an easier to understand form like fractions, 45/3 and 27/3. Then you divide both numbers by 3, so you get comparable numbers. 45/3= 15, 27/3=9.

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Find the value of the expression given below (8 - 3i) - (8 - 3i)(8 + 8i)
mamaluj [8]
Follow PEMDAS. First is multiplication.

Follow the FOIL method: (First, Outside, Inside, Last)
<span>(8 - 3i) - (8 - 3i)(8 + 8i)
</span>8(8) = 64
8(8i) = 64i
-3i(8) = -24i
-3i(8i) = 24   (note: two "i"'s = -1)

Combine like terms

64 + 64i - 24i + 24

64 + 40i + 24

88 + 40i

Now subtract 88 + 40i from 8 - 3i

(8 - 3i) - (88 + 40i) = -80 - 43i (Note: the signs in the parenthesis change,                                                          because you are subtracting as a whole)

-80 - 43i is your answer


hope this helps
4 0
3 years ago
Read 2 more answers
Rename the number 600,000<br>​
mezya [45]

Answer:

if you're talking about renaming it in word form it would be a six hundred- thousand or is you're doing it in an equation its gonna be (6x10) x (10x1000)

Step-by-step explanation:

6 0
3 years ago
Use the pythagorean theorem to write an equation for the distance Jane's trainer bikes.​
ankoles [38]

Complete question is;

Jane is training for a triathlon. After swimming a few laps, she leaves the health club and bikes 16 miles south. She then runs 12 miles west. Her trainer bikes from the health club to meet jane at the end of her run. Use the pythagorean theorem to write an equation for the distance janes trainer bikes

Answer:

x = √(12² + 16²)

Step-by-step explanation:

We are told that;

She bikes from health club to South = 16 miles

From South to West = 12 miles

Her trainer bikes from the health club to meet her at the end which is west.

I have attached a diagram showing this movement in form of a triangle.

From the diagram I attached, I have depicted the distance the trainer bikes as x.

Using pythagoras theorem;

x² = 12² + 16²

x = √(12² + 16²)

7 0
3 years ago
Which equation matches the picture
Schach [20]
The answer is probably C.
6 0
4 years ago
Read 2 more answers
Plz help me with this
Georgia [21]

Answer:

im so sorry bro

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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