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Y_Kistochka [10]
3 years ago
13

[HELP PLEASE] 12, 13, 14the last answer on 14 is log2 z over 11

Mathematics
1 answer:
skad [1K]3 years ago
4 0

(12)

we are given

log_2(9x)

we can also write it as

log_2(9x)=log_2(9*x)

now, we can use property of log

log_2(9x)=log_2(9)+log_2(x)...........Answer

(13)

log_3(\frac{x^4y^8}{2} )

we can use property of log

log(\frac{a}{b})=log(a)-log(b)

log_3(\frac{x^4y^8}{2} )=log_3(x^4y^8)-log_3(2)

we can use property of log

log(a*b)=log(a)+log(b)

log_3(\frac{x^4y^8}{2} )=log_3(x^4)+log_3(y^8)-log_3(2)

log(a^n)=n*log(a)

log_3(\frac{x^4y^8}{2} )=4log_3(x)+8log_3(y)-log_3(2)...........Answer

(14)

log_2(11)-log_2(z)

we can use property of log

log(\frac{a}{b})=log(a)-log(b)

we get

log_2(11)-log_2(z)=log_2(\frac{11}{z}).............Answer

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3 years ago
The curved part of this figure is a semicircle. What is the best approximation for the area of this figure? 18+12.125π units² 36
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18+12.125π units²

Step-by-step explanation:

The diameter of the semicircle can be found by the use Pythagoras theorem.

Δx²+Δy²=d²

Δx=3--1=4

Δy=3--6=9

d²=4²+9²

d=√(16+81)

Area=πr²/2

=π×(√(16+81)/2)²÷2

=[π×(97)/4]/2

=97π/8

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Find radius from this sentence plz
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1.2 inches

Step-by-step explanation:

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1.4012738854 = r²

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