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tatyana61 [14]
2 years ago
14

I need help with this equation

Mathematics
2 answers:
yaroslaw [1]2 years ago
5 0

Answer:

Here:)

Step-by-step explanation:

x= -8

antoniya [11.8K]2 years ago
4 0

Answer: x = -8

Step-by-step explanation:

8x = 4x - 32

subtract 4x from both sides

4x = -32

divide by 4 on both sides

x = -8

:)

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Solution set is(answer)................
kirill [66]
<h3>The solution is x = 27</h3>

To undo a log, you raise both sides as exponents. This will cancel out the log on the left side. On the right side you'll have 6^2 turn into 36.

So you should end up with x+9 = 36 after you perform this step. Afterwards, subtract 9 from both sides to end up with x = 27.

4 0
3 years ago
Round 169,750 to the nearest hundred thousand
Allushta [10]

Answer:

200,000

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
The area of a living room is 24 square yards if the width is 12 feet what is the length of the living room in yards ?
love history [14]
To work out what the other side is that you times 12 to get to 24 you would do: 24 divided by 12 equals 2 therefore you would do 12 times 2 to get 24 
4 0
2 years ago
Help i needa send this in a few mins
ra1l [238]

Answer:

180 mm

Step-by-step explanation:

height : cases

105 : 7

constant of proportionality = 105/7

height of 12 cases = 12 x 105/7 = 180 mm

8 0
2 years ago
It is given that y varies inversely as x^2. If x is decreased by 50%, find the percentage change in y.
vova2212 [387]

Answer:

300%

Step-by-step explanation:

Given

y\ \alpha\ \frac{1}{x^2}

Required

Find the percentage change in y when x decreased by 50%

First, convert to equation

y\ = \ \frac{k}{x^2}

Where k is the constant of proportionality

When x decreased by 50%

Y = \frac{k}{(x - 0.5x)^2}

Y = \frac{k}{(0.5x)^2}

Y = \frac{k}{0.25x^2}

Expand

Y = \frac{1}{0.25} * \frac{k}{x^2}

Substitute \frac{k}{x^2} for y

Y = \frac{1}{0.25} * y

Y = 4 * y

Y = 4 y

The percentage change is then calculated as:

\%Change = \frac{Y - y}{y} * 100\%

\%Change = \frac{4y - y}{y} * 100\%

\%Change = \frac{3y}{y} * 100\%

\%Change = 3 * 100\%

\%Change = 300\%

<em>The percentage in y is 300%</em>

7 0
3 years ago
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