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pentagon [3]
3 years ago
9

Why do biologists have taxonomic systems?

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
5 0
To make their study easy for different researchers and to classify them and trace the evolution path
Komok [63]3 years ago
3 0
<span>To provide consistent ways to identify and classify organisms as they are being studied.</span>
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Solve for x.
Ostrovityanka [42]

Answer:

C.  3, -7

Step-by-step explanation:

x^2 +4x-21 =0

Factor

What 2 numbers multiply to -21 and add to 4

7*-3 = -21

7-3 = 4

(x+7) (x-3) =0

Using the zero product property

x+7 =0       x-3=0

x+7-7=0-7     x-3+3=0+3

x = -7            x=3

3 0
3 years ago
Read 2 more answers
find the volume of cubical box . if the cost of painting of outer surface is rs 1440 at the rate rs 15 per mcube
bearhunter [10]
Surface of a cubical box=6(side²)

1)We have to calculate the surface of this cubical box.
Rate=cost of painting / surface  ⇒surface=cost of painting/rate

Data:
Rate=$15/m²
cost of painting=$1440

Surface=$1440/($15/m²)=96 m²

2)We find out the length of the side:

Surface of a cubical box=6(side²)

Data:
Surface of a cubical box=96 m2

Therefore:
96m²=6 (side²)
side²=96 m²/6
side²=16 m²
side=√(16 m²)=4 m

3) We find the volume of a cubical box.
volume=(side³)
volume=(4 m)³
volume=64 m³

Answer: the volume of this cubical box would be 64 m³.

3 0
3 years ago
NEED HELP QUICK!!!
WITCHER [35]
First, we must convert the total miles into kilometers. If there are 1.609 kilometers in one mile, then 26.219 miles equals 42.3 kilometers. We then divide by the total minutes (128) to get the speed in kilometers per minute which should be 0.32 or 0.3 kilometers per minute.
4 0
3 years ago
Read 2 more answers
how do you solve probability questions I just hate probability because i don't know how to solve them?
babymother [125]
It's really just knowing how to use fractions. 

Say you have 8 jelly beans in a baggie. 5 are yellow and 3 are green. 

What is the likelihood of pulling a green one out? Not likely. 

What is the likelihood of pulling out a white one out? Impossible.

Are you getting it? Or do you need more help? :)
4 0
3 years ago
3/8 ÷7/2 evaluates to
alina1380 [7]

Answer:

3/28

Step-by-step explanation:

You can rewrite 3/8 ÷7/2 to 3/8 x 2/7

then you can simplify which is 3/28

8 0
2 years ago
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