3 years ago

4 1/2 divided by 4=?

Mathematics

2 answers:

CaHeK987 [17]3 years ago

8 0

1.125 is the answer 4.5/4=1.125

Brut [27]3 years ago

5 0

Answer:

1.125

Step-by-step explanation:

4.5/4

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(b) Rationalise the denominator and simplify fully 10 +3√2 / √2

kotegsom [21]

Answer:

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3 years ago

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a survey asked 50 students if they play an instrument and if they are in band. 25 students play an instrument 20 are in a band a

frutty [35]

I would go with d .... If not it would be c...

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4 years ago

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When the outliers are removed, how does the mean change? (2 points) dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1

777dan777 [17]

Answer:

Answer: The mean increases by 3

Step-by-step explanation:

The original data set is

{50, 76, 78, 79, 79, 80, 81, 82, 82, 83}

The outlier is 50 because it is not near the group of values from 76 to 83 which is where the main cluster is.

The original mean is M = (50+76+78+79+79+80+81+82+82+83)/10 = 77

If we take out the outlier 50, the new mean is N = (76+78+79+79+80+81+82+82+83)/9 = 80

So in summary so far

old mean = M = 77

new mean = N = 80

The difference in values is N-M = 80-77 = 3

So that's why the mean increases by 3

8 0

3 years ago

We need to find the slope

Colt1911 [192]

Hello!

Step-by-step explanation:

Slope: $\frac{Y^2-Y^1}{X^2-X^1}=\frac{rise}{run}$

$\frac{9-3=6}{2-(-1)=2+1=3}=\frac{6}{3}=2$

Therefore, the slope is 2.

Answer is 2.

Hope this helps!

Thank you!

-Charlie

Have a great day!

7 0

4 years ago

A rod was cut into 3 piece the length of the 3 piece are in the ratio of 5 : 3 :2 if the shortest is 25cm how long was the rod

Vesnalui [34]

Answer:

125 cm

Step-by-step explanation:

Ratio of pieces of the rod:

5:3:2

In total, the rod is equal to:

5x+3x+2x= 10x

Since the shortest peace:

2x = 25 cm,

Length of the rod:

10x = 5* 2x = 5* 25 cm = 125 cm

3 0

3 years ago