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3 years ago

can anyone help and explain why this is either proportional or not? urgent!! (it needs an explanation too)

Mathematics

1 answer:

Step2247 [10]3 years ago

4 0

Answer:

Yes it is proportional

Step-by-step explanation:

Notice how when x goes up 1 y goes up by 1.6. There is a pattern, if there is no pattern then you would see that numbers either go up or down with no pattern.

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A triangle has angle measures of 47 degrees and 92 degrees. What is the measure of the third angle?

ludmilkaskok [199]

Answer:

The missing angle is 41 degrees

Step-by-step explanation:

First of all, a triangle is measured at 180 degrees in total

To find the missing measurement for the third angle, add the 47 and 92 degrees together which would equal 139 degrees.

47+92=139 degrees

Next just subtract 139 from 180 to get your answer.

180-139=41 degrees

The answer is 41 degrees

<u><em>Hope this helps</em></u>

5 0

3 years ago

What is the Value of x when x + 10=4?

Kisachek [45]

Answer:

-6

Step-by-step explanation

x+10=4

x=4-10

x=-6

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3 years ago

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larisa [96]

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3 years ago

3. Michel invests $850 at 7%/a simple interest. How long will he

Kipish [7]

$~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$200\\ P=\textit{original amount deposited}\dotfill & \$850\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ t=years \end{cases} \\\\\\ 200=850(0.07)t\implies \cfrac{200}{850(0.07)}=t\implies \stackrel{\textit{about 3 years, 4 months and 10 days}}{3.36\approx t}$

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2 years ago

The inverse of this equation

In-s [12.5K]

Answer:

${f}^{ - 1}(x) = \frac{x + 11}{ - 5}$

Step-by-step explanation:

$f(x) = - 5x - 11 \\ - 5x - 11 =x \\ - 5x = x + 11 \\ {f}^{ - 1}(x) = \frac{x + 11}{ - 5}$

7 0

3 years ago