3 years ago

40 is what percent of 180

Mathematics

2 answers:

Anna [14]3 years ago

6 0

Answer:

22.22

Step-by-step explanation:

brainliest pls

max2010maxim [7]3 years ago

4 0

Answer:

25%?

Step-by-step explanation:

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alexandr1967 [171]

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2 years ago

7 less than three times the sum of a number and five

Evgen [1.6K]

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3 years ago

Find the 19th term of the arithmetic sequence whose common difference is =d5 and whose first term is =a12.

emmasim [6.3K]

An=a1+d(n-1)
a1=first term
d=common difference
n=which term

common difference is 5 first term is 2
an=5+2(n-1)
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a19=5+2(19-1)
a19=5+2(18)
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3 years ago

Solve for X. <img src="https://tex.z-dn.net/?f=log_%7B8%7D%20x-log_%7B8%7D%20%28-2x%2B4%29%20%3D%20log_%7B8%7D%203" id=

taurus [48]

Answer: $x=\frac{12}{7}$

Step-by-step explanation:

Remember the logarithms properties:

$log(m)-log(n)=log(\frac{m}{n})\\\\b^{log_b(a)}=a$

Then,simplifying:

$log_{8}(\frac{x}{-2x+4}) = log_{8}(3)$

Apply base 8 to boths sides and then solve for "x":

$8^{log_{8}(\frac{x}{-2x+4})}=8^{log_{8}(3)}\\\\\frac{x}{-2x+4}=3\\\\x=3(-2x+4)\\\\x=-6x+12\\x+6x=12\\7x=12\\\\x=\frac{12}{7}$

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3 years ago

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sp2606 [1]

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Step-by-step explanation:

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3 years ago

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