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slega [8]
4 years ago
15

How do you work out the mean mark ?

Mathematics
1 answer:
sattari [20]4 years ago
4 0

Answer:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

Step-by-step explanation:

plz give brainliest

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What ratio is equivalent to 8:3
Georgia [21]

16:6 is an equivalent ratio

5 0
3 years ago
Read 2 more answers
The answer is A I just need help working it out
nordsb [41]
STU + STR = 180
8x + STR = 180 [ STU = 8x ]
STR = 180 - 8x

STR = SRT [ RS ≈ ST ]

Now, In ΔSRT,
we have, RST = 7x - 54, STR = SRT = 180-8x
Their sum is 180, as it constitutes a triangle.

7x-54 + 2(180-8x) = 180
7x - 54 + 360 - 16x = 180
 306 - 9x = 180
9x = 306 - 180
9x = 306 - 180
x = 126/9
x = 14

So, option A is your answer.

Hope this helps!

5 0
3 years ago
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17 Find the volume of the figure below. (1 Point) V = luh​
sveticcg [70]

Answer:

sorry I wish I could help but I'm stupid

7 0
3 years ago
Which equation is the slope-intercept form of the line that passes through (6, –11) and is parallel to the graph of y = –2/3x +
IRINA_888 [86]

Answer:

<h2>The answer is option A</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

From the question the original line is

y = - ⅔x + 12

Comparing with the general equation above

Slope = -⅔

Since the lines are parallel their slope are also the same

Slope of parallel line = - ⅔

The equation of the line using point

(6, –11) and slope - ⅔ is

y + 11 =  -  \frac{2}{3} (x - 6) \\ y + 11 =  -  \frac{2}{3} x + 4 \\ y =  -  \frac{2}{3} x + 4  - 11

We have the final answer as

y =  -  \frac{2}{ 3 } x  - 7 \\

Hope this helps you

3 0
3 years ago
Help me please!!!!!!!!!!!!!!!!
erica [24]

Answer:

C is the answer if you count 8 down, if not. sorry

7 0
3 years ago
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