HELP please I’ll post a picture to make it easier to look at (I made it to get 20 points)!!!

Mathematics

1 answer:

Trava [24]2 years ago

6 0

Answer:

Both expressions are = to 11 when x is 2.

Therefore, the expressions are equivalent.

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5/4 to 3/8 as a percent change

Digiron [165]

Well, what's the diffrence from 5/4 to 3/8?

$\bf \cfrac{5}{4}-\cfrac{3}{8}\qquad \stackrel{\textit{LCD is 8 clearly}}{\implies }\qquad \cfrac{10-3}{8}\implies \cfrac{7}{8}$

so, if we take 5/4 to be the 100%, what is 7/8 off of it in percentage anyway?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{5}{4}&100\\\\
\frac{7}{8}&x
\end{array}\implies \cfrac{\quad \frac{5}{4}\quad }{\frac{7}{8}}=\cfrac{100}{x}\implies \cfrac{5}{4}\cdot \cfrac{8}{7}=\cfrac{100}{x}
\\\\\\
\cfrac{40}{28}=\cfrac{100}{x}\implies x=\cfrac{28\cdot 100}{40}$

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2 years ago

Examine the following graph of a line. Which equation correctly represents the line in slope-intercept form?

Xelga [282]

Answer:

-8 -8

Step-by-step explanation:

Because it is the most reasonable

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2 years ago

(1×10,000)+(3×100)+(5×10)+(9× 1/10 )+(8× 1/100 ) as a decimal number.

Fed [463]

Answer:

10350.98

Step-by-step explanation:

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2 years ago

Evaluate the following expression. 6^-1

Ugo [173]

Do you mean 1/6 as the evaluation?

8 0

3 years ago

Read 2 more answers

Tiffany babysits to earn extra money. She charges a fee of $15 per hour for one child, and then an added $30 overall for each ad

Hoochie [10]

Answer: Minimum for $150: 2 Hours

Step-by-step explanation: First, Tiffany charges $30 per additional child. If she babysits for 4 children, you do 30 x 4, which is equal to 120. That would be the cost for the children. Now, if she charges $15 PER HOUR, then you just add up $15 + $15, which is $30, and you add that $30 to the $120. Which is $150. There you have it. If this is wrong, correct me please!

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2 years ago