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Temka [501]
4 years ago
9

How to solve the questions

Mathematics
1 answer:
PilotLPTM [1.2K]4 years ago
8 0
I cant solve the last part at the moment but i think 20. 49
21. 81
22. m
23. 49
You might be interested in
A circle has been split into 8 sectors each of which can be colored as 4 different colors, and no consecutive sectors are colore
Eva8 [605]

Answer:

5832 ways

Step-by-step explanation:

Since the circle has 8 sectors and there is 4 colour,

Assuming the sectors are numbered 1 to 8,

Sector 1 : can be coloured with any of the 4 colour in 4 ways

Sector 2 can be coloured with any of the remaining 3 colours in 3 ways

Sector 3 in 3 ways without using the colour in sector 2

Sector 4 in 3 ways without using the colour in sector 3

Sector 5 in 3 ways without using the colour in sector 4

Sector 6 in 3 ways without using the colour in sector 5

Sector 7 in 3 ways without using the colour in sector 6

Sector 8 in 2 ways without using the colours in sector 1 and 7

Number of ways of colouring = 4*3*3*3*3*3*3*2 = 5832 ways

3 0
3 years ago
What is the answer, please help
lord [1]
Sheeeshhhhh drop out lol
3 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL AWARD BRAINLIEST LOTS OF POINTS TOO <3
romanna [79]

Answer:

B

Step-by-step explanation:

First, divide both sides by -1/2 to remove the -2 from the left side

Then you can subtract 3 from both sides to solve for x

x=2 btw

4 0
3 years ago
Read 2 more answers
All of the following represent the same expression except _____.
77julia77 [94]

Answer:

c

Step-by-step explanation:

your answer will c

because in middle there is sign of(-) so your answer will (-).

4 0
3 years ago
Can someone please help I need a clear explanation on how to solve this equation.
nikitadnepr [17]
B = amount of students who chose Bulldog

n = amount of students who chose lion

t = amount of students who chose tiger

so.. "t" chose tiger, ok

"<span>Four times as many students chose Bulldog as chose Tiger"
namely, if "t" chose tiger, then 4 times that many chose Bulldog, thus

b = 4t

"</span><span>Twice as many students chose Lion as chose Tiger"
namely, if "t" students chose tiger, twice as many chose lion

n = 2t

now, we know a total of 273 students were surveyed, thus

</span>\bf \begin{cases}&#10;b+n+t=273\\&#10;\boxed{4t}+\boxed{2t}+t=273&#10;\end{cases}&#10;\\\\\\&#10;7t=273\implies t=\cfrac{273}{7}\impliedby \textit{that many chose \underline{tiger}}<span>
</span>
6 0
4 years ago
Read 2 more answers
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