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ziro4ka [17]
3 years ago
7

Can anyone help me with primary 5 hw ?

Mathematics
1 answer:
Illusion [34]3 years ago
5 0
B) 28×50, then take the answer - 1100
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The variance of a stock's returns can be calculated as the:
Tamiku [17]

Answer:

The correct option is b.

Step-by-step explanation:

The formula for standard deviation is

\sigma^2=\frac{\sum {(x-\overline{x})^2}}{n}

where, \overline{x} is mean of the data and n is number of observation.

The variance of a stock's returns can be calculated by the above formula.

Variance of stock's returns is the average value of squared deviations from the mean.

Therefore the correct option is b.

4 0
3 years ago
How many cubes of edge 4cm, each can be cut out from cuboid whose length, breadth and height are 20 cm, 18 cm and 16 cm respecti
My name is Ann [436]

Answer:

90 cubes.

Step-by-step explanation:

First we find volume of the cuboid.

Volume = l x b x h = 20 x 18 x 16 = 5760 cm³

Now,

Volume of a single cube = l³ = 4³ = 64

No of cubes that can be cut out from the cuboid is

= Volume of cuboid/ volume of cube

= 5760/ 64

= 90 cubes

3 0
2 years ago
The graph below represents the rate at which Melanie listens to songs. What is the equation that represents the relationship bet
alexira [117]

Answer:

4x

Step-by-step explanation:

So what you wanna do is look everywhere a point is on a line perfectly. Then see how much it takes per point that's on a line perfectly

8 0
2 years ago
The area of a square is 72.25 inches squared. Find the length of the side and the perimeter.
Nadya [2.5K]

Answer:

8.5 inches and 34 inches

Step-by-step explanation:

Area of the square = 72.25

side² = 72.25

side = \sqrt{72.25}

Side = 8.5 in

Perimeter = 4 × side

Perimeter = 4 × 8.5 in

Perimeter = 34 in

6 0
3 years ago
Can someone please help me I’m stuck with this question I don’t know what’s the answer please help
polet [3.4K]

<em>Answer:</em>

<h2><em>the </em><em>SSS </em><em>similarity</em><em> </em><em>theorem</em></h2>

<em>Please </em><em>see</em><em> the</em><em> attached</em><em> picture</em><em>.</em><em>.</em><em>.</em>

<em>Hope </em><em>it</em><em> helps</em><em>.</em><em>.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em><em>.</em>

3 0
3 years ago
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