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Kryger [21]
3 years ago
13

Score Number of Students

Mathematics
2 answers:
MaRussiya [10]3 years ago
6 0

Answer:

4.1.

Step-by-step explanation:

Mean score = total score / number of students

Total score =

1*2 + 2*5 + 3*3 + 4*6 + 5*7 + 6*9

= 134

Number of students =  33

So the  required average = 134 / 33

= 4.1.

katen-ka-za [31]3 years ago
4 0

Answer:

FourPointOne

Step-by-step explanation:

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Natasha_Volkova [10]
5ft (i’m just typing because i need more characters)
6 0
3 years ago
A child walks due east on the deck of a ship at 3 miles perhour.
VladimirAG [237]

Answer:

16.28 mph ; 79.38°

Step-by-step explanation:

Given the following :

Speed of child due east = 3mph

Speed of ship due North = 16mph

Relative speed of th child is obtained by using Pythagoras rule to find the hypotenus

Relative Speed = Sqrt(3² + 16²)

Relative Speed = sqrt(9 + 256)

= sqrt(265)

= 16.2788 mph

= 16.28 mph

From trigonometry ;

Tanθ = opposite / Adjacent

Tanθ = (16 / 3)

Tanθ = 5.333

θ = tan^-1(5.333)

θ = 79.379°

θ = 79.38°

6 0
4 years ago
What is the slope from point (0 0) to (6 -2)
mezya [45]
-1/3

Use the formula m = y2-y1/ x2 - x1.
Substitute the x and y values and you'll get -1/3
7 0
3 years ago
Read 2 more answers
Larry bought a used boat for $2400 and sold it for 2000 two years later what was the percent of decrease
guajiro [1.7K]
It pretty much would be 400
3 0
3 years ago
Solve for X <br> 7x=49 (brainliest)
posledela

Answer:

\huge\colorbox{violet}{ᴀɴsᴡᴇʀ}

Hey There!

The answer = 7 = ( Seventh Track of TS8= Seven )

Step-by-step explanation:

7x = 49 \\ x = 49 \div 7 \\ x = 7

=>

7 \times 1 = 7 \\ 7 \times 2 = 14\\ 7 \times 3 = 21 \\ 7 \times 4 = 28 \\ 7 \times 5 = 35 \\ 7 \times 6 = 42 \\ \bold {7 \times 7 = 49} \\ 7 \times 8 = 56 \\ 7 \times 9 = 63 \\ 7 \times 10 = 7

6 0
3 years ago
Read 2 more answers
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