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Ierofanga [76]
3 years ago
10

Need help please! Not sure how to do this

Mathematics
1 answer:
Kisachek [45]3 years ago
3 0
This problem is fairly simple if you know the exponential equation, you start with y=78(.17)^x. the you put 10=78(.17)^x, then you solve for x 

10=78(.17)^x 
-78
-68=.17^x 
divide .17 then you have your answer!!
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Solve each equation. Show your work or explain your method. Each explanation is worth 2 points. A. 2(x - 3) = 14 b. 12 (x + 10)
makkiz [27]

Answer:

A. 3x+2=14. 3×+2-2=14-2. 3×=12

B. 12(×+10)=24. (12)(×)+(12)(10)=24. 12+120=24. 12×+120-120=24-120

C. 12×= -96. 12×/12. -95/12 x= -8

4 0
3 years ago
A scientist is cooling a liquid at a steady rate. The temperature of the liquid changed by −8212 °C over 215 minutes. What was t
solong [7]
-8212/215 = 38.19 degrees.
5 0
3 years ago
Read 2 more answers
A line passes through (-3,-5) and (5,-4) write equation in point slope form
Tamiku [17]

Answer:

work is shown and attached

7 0
3 years ago
Add [1/5x-4+2y]+[2/5x+5-4y]=
alisha [4.7K]
<h3>I'll teach you how to solve (1/5x-4+2y)+(2/5x+5-4y)</h3>

-----------------------------------------------------------------

(1/5x-4+2y)+(2/5x+5-4y)

Remove parentheses:

1/5x-4+2y + 2/5x+5-4y

Group like terms:

1/5x+2/5x+2y-4y-4+5

Add similar elements:

3/5x+2y-4y-4+5

Add similar elements:

3/5x-2y-4+5

Multiply:

3x/5-2y-4+5

Add subtract the numbers:

3x/5+1-2y

Your Answer Is 3x/5+1-2y

plz mark me as brainliest :)

6 0
3 years ago
Find the slope that passes through (2,-4) and (5,2)
yanalaym [24]

Hi there! :)

Step-by-step explanation:

SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}

\frac{2-(-4)}{5-2}=\frac{6}{3}=2

<u><em>Therefore, the slope is 2.</em></u>

<u><em>Final answer is 2.</em></u>

<u><em>*The answer must have a positive sign.*</em></u>

I hope this helps you!

Have a nice day! :)

:D

-Charlie

Thank you! :)

:D

7 0
3 years ago
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