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3 years ago

The function f(x)=log 7x is increasing. True or false

Mathematics

1 answer:

enyata [817]3 years ago

6 0

That's true. As x increases, the log of 7 times x also increases. Therefore, the statement provided is true.

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Solve the equation 7/z-1 = 9/z+4

algol [13]

Answer:

z is equal to 18.5

Step-by-step explanation:

When an equation is in the format a/b = c/d, the quickest way to simplify it is to cross multiply. Each side is multiplied by the other sides denominator, eliminating the division:

$\frac{7}{z-1} = \frac{9}{z + 4}\\7(z + 4) = 9(z - 1)\\7z + 28 = 9z - 9\\7z - 9z = -9 - 28\\-2z = -37\\z = 37/2\\z = 18.5$

So z is equal to 18.5

3 0

3 years ago

145 is what percent of 620

Oksanka [162]

Hello There!

145 is 23.39% of 620

HOW TO SOLVE

Equation: Y = P% * X

We need to solve our equation for "P"

P% = Y/X

P% = 145/620

p = 0.2339

Convert decimal to percent:

Percent = 0.2339 * 100 = 23.39%

4 0

3 years ago

Determine whether the conjecture is true or false. Give a counterexample for any false conjecture. Given: Point B is in the inte

Arte-miy333 [17]

True because point B is the interior

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oksian1 [2.3K]

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Step-by-step explanation:

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8/9 in simplest form

tigry1 [53]

Answer:

its already in its simplest form.

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