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2 years ago

Help with math and explain plsss

Mathematics

1 answer:

LenKa [72]2 years ago

4 0

Step-by-step explanation:

cotθcosθ=1tanθ⋅1cosθ

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How do you solve this? x - 2y = 4

valentina_108 [34]

If you want to solve for x, then
add 2y to both sides
x=2y+4
if want to solve for y
minus x both sides and divide by -2
x-2y=4
-2y=-x+4
y=1/2x-2

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3 years ago

One half of a number increased by 3 is five less than two thirds of the number

MAVERICK [17]

Answer:

12 is thy number lol

Step-by-step explanation:

1/2x + 3 = 5 - 2/3x

Subtract the 1/2x

You get 3 = 5 - 1/6x

Subtract the five.

-2 = -1/6x

Multiply by -6

x = 12

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3 years ago

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Feliz [49]

I’m not sure but I hope this helps

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3 years ago

Chemists use pH as a measure of acidity or alkalinity of a solution. It uses the concentration of hydrogen ions H+ in a logarith

SpyIntel [72]

Answer:

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

Step-by-step explanation:

Given

$f(d) = (0.5 * 10^{-4})^d$

$g(H+) = -log_{10}(H+)$

Required

Find the composite function g(f(d))

We have:

$g(H+) = -log_{10}(H+)$

Substitute f(d) for H+

$g(f(d)) = -log_{10}(f(d))$

Substitute $f(d) = (0.5 * 10^{-4})^d$

$g(f(d)) = -log_{10}((0.5 * 10^{-4})^d)$

Apply law of logarithm

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

Hence, the function is:

$g(f(d)) = -dlog_{10}(0.5 * 10^{-4})$

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2 years ago

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3 years ago