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stepladder [879]
3 years ago
7

Solve −9s−8+5s=−10. Find the value of s

Mathematics
1 answer:
Ahat [919]3 years ago
8 0
S is equal to .5


hope this helped you out!!!!!!
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Someone please let me know the answer ​
erastova [34]

Answer:

The answer is 30°

Step-by-step explanation:

when \:  \:   \sqrt{3}  \sin( \alpha )  -  \cos( \alpha )  = 0 \\  \sqrt{3}   \sin( \alpha )  =  \cos( \alpha )  \\ multiply \: by \:  \frac{1}{ \sqrt{3}  \cos( \alpha ) }  \\ then \\  \frac{ \sin( \alpha ) }{ \cos( \alpha ) }  =  \frac{1}{ \sqrt{3} }  \\  \tan( \alpha )  =  \frac{1}{ \sqrt{3} }  \\ then \:  \alpha  = 30

3 0
3 years ago
If 6 is added to 2 times a certain number, the result is 14. Find the number. Please answer!!
ipn [44]

Answer:

4

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
A country's population in 1991 was 114 million. In 1997 it was 120 million. Estimate the population in 2014 using exponential gr
Rufina [12.5K]
The answer is 138 million.

Step 1. Calculate the growth rate.
Step 2. Calculate the population number in 2014.

We will use the formula for exponential growth:
A = P * eⁿˣ
where:
A - the final amount (value)
P - the initial amount (value)
e - the mathematical constant (e ≈ 2.72)
n - the growth rate
x - the time

Step 1:
A = 120 million = 120 000 000
P = 114 million = 114 000 000
n = ?
x = 1997 - 1991 = 6
Therefore:
120 000 000 = 114 000 000 * e ^{n*6} \\ e ^{n*6} =120 000 000 /114000000 \\ e ^{n*6} =1.05 \\
Logarithm both sides of the equation:
ln(e ^{n*6})=ln(1.05) \\ n*6*ln(e) = ln(1.05) \\ 6n=ln(1.05) \\ n = \frac{ln(1.05)}{6} \\ n = \frac{0.05}{6} \\ n = 0.0083

Step 2:
Now when we know the growth rate, it is easy to estimate the population in 2014
A = ?
P = 120 000 000
n = 0.0083
t = 2014 - 1997 = 17
A = 120 000 000 * e ^{0.0083*17}  \\ 
A = 120 000 000 * e^{0.1411}   \\ 
A = 120 000 000 * 1.15 \\ 
A = 138 000 000

Thus, the population will be 138 million in 2014

8 0
3 years ago
PLEASE HELP LOOK AT THE PHOTO!!!!!!!
vodka [1.7K]
Hahah hdhe jw iDisk idjwj
4 0
3 years ago
Jane had 2/3 of a meter of ribbon. She used 1/4 of a meter of ribbon to decorate a card. How much ribbon did she have left after
Vilka [71]
2/3 - 1/4 =
8/12 - 3/12 =
5/12 <==
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3 years ago
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