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Natasha_Volkova [10]
3 years ago
15

Please answer question 17 ):

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
3 0
Plug in 3 for x
f(3)= 2(3)+8
f(3)=6+8
f(3)=14

g(3)=5

Then add the values
14+5=19

Final answer: 19
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The formula to convert degrees Farenheit to degrees Celsius is as follows:
blondinia [14]

Answer:

69 degrees farinhieght

5 0
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Find the number n that fits all of the conditions
finlep [7]
Your answer would be 12
7 0
3 years ago
three vertices of a rectangle are located at (5,3), (7,1), and (1,-1). what are the coordinates of the fourth vertex?
SVETLANKA909090 [29]

I first plotted the three points and from from their position it was clear which pairs to join to start a rectangle.

At this point you need to check to make sure the angle at B is a right angle. Find the slope of the line segments AB and BC and check that the product of the slopes is -1.

From the diagram you can now see where the fourth point D has to be. If AB and CD are parallel then D must be 3 units to the left of C and 2 units above C. Find the coordinates of D and then check by finding the slopes of CD and DA and showing that the angle at D is a right angle.

I hope this helps

3 0
3 years ago
Read 2 more answers
To solve these problems.
olasank [31]
<h3>Solution(s):</h3>

<u>1)</u><u> What distance did a car travel that went 70 mph for 6 hours?</u>

Given:

  • 70 miles = 1 hour

<u>Multiply the RHS by 6 to see what distance was covered by the car in 6 hours.</u>

  • 70 miles = 1 hour
  • => 70 x 6 miles = 6 hours
  • => 420 miles = 6 hours

The car traveled 420 miles in 6 hours.

<u>2)</u><u> What is the perimeter of a rectangle with a length of 7 cm and a width of 4 cm?</u>

Given:

  • Length: 7 cm
  • Breadth: 4 cm

Formula to find perimeter: 2(L) + 2(B)

<u>Substitute the values into the formula to find the perimeter.</u>

  • 2(L) + 2(B)
  • => 2(7) + 2(4)
  • => 14 + 8
  • => 22 cm

The perimeter of the rectangle is 22 cm.

5 0
3 years ago
Edward invested $1600 in a savings account for 8 years. At the end of 8 years, his savings account had $1920 in it.
miss Akunina [59]
\bf \qquad \textit{Simple Interest Earned Amount}\\\\&#10;A=P(1+rt)\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\to &\$1920\\&#10;P=\textit{original amount deposited}\to& \$1600\\&#10;r=rate\to r\%\to \frac{r}{100}\\&#10;t=years\to &8&#10;\end{cases}&#10;\\\\\\&#10;1920=1600(1+r8)\implies \cfrac{1920}{1600}=1+8r\implies \cfrac{6}{5}=1+8r&#10;\\\\\\&#10;\cfrac{6}{5}-1=8r\implies \cfrac{\frac{6}{5}-1}{8}=r\implies \cfrac{\frac{1}{5}}{8}=r\implies \cfrac{1}{40}=r&#10;\\\\\\&#10;0.025=r\implies r\%=100\cdot 0.025\implies r=\stackrel{\%}{2.5}
8 0
3 years ago
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