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vladimir2022 [97]
3 years ago
8

What is the answer for the four at the bottom?

Mathematics
1 answer:
Sladkaya [172]3 years ago
7 0
What am I suppose to do so I can help you?
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A blank is a rectangular ​
UNO [17]

Answer:

I would say parallelogram. So the rectangle still fits but more shapes can be applied.

8 0
3 years ago
The hourly wages of a sample of 130 system analysts are given below.
atroni [7]

Answer: b. 30%

Step-by-step explanation:

  • A measure of relative variability is known as coefficient of variation. It is the ratio of the standard deviation to the mean.

i.e. CV=\dfrac{\sigma}{\mu}

Given: mean =  \mu=90

Variance = \sigma^2 = 729

\sigma=\sqrt{729}=27

Now, CV=\dfrac{27}{90}=0.3

in percent , CV= 0.3\times100\%= 30\%

Hence, correct option is  b. 30%.

8 0
3 years ago
Solve this system of equations:
SpyIntel [72]

y=2x so replacr the -y with -2x so 2x+6 is 8x. :)

7 0
3 years ago
Help me now i need this question right away
garik1379 [7]

Answer:

It will be 120°

It because if you matched those two points you will have two angles of 90° degree inside that square and in the triangle at the above 120-90= 30 degrees for both angles and since that all angles of the triangle are equal 180 then 180-(30+30)=120°.

Sorry if my explanation isn't that good.

8 0
3 years ago
If a solid cube has a density of 6.3 grams per millimeter and a volume of 30 millimeters, how much is it's mass?
agasfer [191]

density= mass/volume

mass= densiy x volume

mass= 6.3 g/mm^3 x 30mm^3= 189 g

8 0
3 years ago
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