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ch4aika [34]
3 years ago
7

the scores in physics test of 10 students are as follows:10,11,8,10,12,8,10,11,12,10. find its median,mean,mode

Mathematics
1 answer:
Olin [163]3 years ago
7 0

Answer:

mean= 10+11+8+10+12+8+10+11+12+10/10

=92/10=9.2

mode=10

hope it helps

plz mark as brainliest

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Pls help me quick !! Just simple quick answers
Aleksandr-060686 [28]

Answer:

j=3 inches

Step-by-step explanation:

Since the two triangles are similar, we can set up a ratio

1in:3in

j:9in

Now we solve for j

Since the length of the side of the shorter triangle is 1/3 the length of the side of the longer triangle (as shown by the ratio 1:3 which can also be written as 1/3), we can multiply 9 by 1/3. This gives us 3.

So j=3 inches

4 0
2 years ago
Prove that f(x)=x+3/2 and g(x)=2x-3are inverse
goldfiish [28.3K]

Answer:

Proofs

Step-by-step explanation:

f(x) = x +  \frac{3}{2}

y = x +  \frac{3}{2}

x = y +  \frac{3}{2}

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

{f}^{ - 1} (x) = x -  \frac{3}{2}

They are not inverse because f^-1(x) = x - 3/2 is not the inverse to g(x) = 2x - 3.

5 0
3 years ago
There is a total of $39.55. There are 3 times as many dimes as nickels, how many of each coin type was collected ?
katovenus [111]

Number of dimes collected is 339 and number of nickels collected is 113

<em><u>Solution:</u></em>

Given that There is a total of $39.55

There are 3 times as many dimes as nickels

To find: Number of dimes and nickels collected

Let "d" be the number of dimes collected

Let "n" be the number of nickels collected

We know that,

1 dime = $ 0.10

1 nickel = $ 0.05

From given information,

There are 3 times as many dimes as nickels

So, we get

Number of dimes = 3(number of nickels)

d = 3n

Given that there is total of $ 39.55

number of dimes collected x value of 1 dime + number of nickels collected x value of 1 nickel =  $ 39.55

3n \times 0.10 + n \times 0.05 = 39.55\\\\0.3n + 0.05n = 39.55\\\\0.35n = 39.55\\\\n = \frac{39.55}{0.35}\\\\n = 113

Substitute n = 113 in d = 3n

d = 3(113) = 339

<em><u>Summarizing the results:</u></em>

number of dimes collected = 339

number of nickels collected = 113

4 0
3 years ago
When graphing the inequality y ≤ 2x − 4, the boundary line needs to be graphed first. Which graph correctly shows the boundary l
Volgvan

Answer:

See Below

Step-by-step explanation:

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6 0
3 years ago
CarMax has guaranteed to pay $500 for ANY used car - no matter how old or in what condition. You want to wait as long as possibl
Volgvan
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8 0
3 years ago
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