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Zinaida [17]
3 years ago
14

WILL MARK BRAINLIEST!! PLEASE BE QUICK!!

Mathematics
2 answers:
Zina [86]3 years ago
6 0
Answer is B,
I put it into a graph and when I put in f(x)=15/2x -20 then I looked at the graph to find if 0,-20 and 4,10 passed through the line and they did. Hope this helps you out

DiKsa [7]3 years ago
5 0
That’s so much to read but I’ll do my best to help
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When it hatches from its egg, the shell of certain crab is 1cm across. When fully grown the shell is approximately 10cm across.
inn [45]
Well every time it gets rid of a shell it grows 1 1/3 times larger. So so to see how much it grows after the first time you say
1 cm * 1 1/3 = 1 1/3 cm

to get the next one you do the same
1 1/3 cm * 1 1/3 cm = 16/9

It will keep going multiplying by 1 1/3. So so we can say in an equation that the
(initial size) * 1 1/3 *(number of shells) = length

Or 1cm * 1 1/3 * n = L

We we know the final length is 10cm

So 1 1/3 * n = 10cm

n = 7.5shells

so approximately 7 or 8 shells
8 0
3 years ago
Susan solved 200-91 and decided to add her answer to 91 to check her work explain why this strategy works
zhuklara [117]
This strategy works because if you subtract one number from another the sum of the two numbers should be the that is being subtracted from. (In this case, it's 200)
3 0
3 years ago
Read 2 more answers
Help me please
stepan [7]
Chau’s height = c
c - 10 = 47
i think ?
4 0
2 years ago
Read 2 more answers
If f(x) = f(x)g(x), where f and g have derivatives of all orders, show that f'' = f ''g + 2f 'g' + fg''.
Nadya [2.5K]
Differentiating once, we have

f'(x)=f'(x)g(x)+f(x)g'(x)

Differentiating again,

f''(x)=f''(x)g(x)+f'(x)g'(x)+f'(x)g'(x)+f(x)g''(x)
f''(x)=f''(x)g(x)+2f'(x)g'(x)+f(x)g''(x)

as needed.
5 0
3 years ago
Is y=7x-3 have a proportional relationship
Black_prince [1.1K]

Answer:

my name is mmmmmmm

Step-by-step explanation:

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