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PIT_PIT [208]
3 years ago
8

How do I solve for e? 9e+4=-5e+14+13e

Mathematics
2 answers:
Zina [86]3 years ago
8 0

Answer:

e=10

Step-by-step explanation:

9e+4=-5e+14+13e

Simplify both sides by combining -5e+13e :

9e+4=8e+14

Isolate the variable e. Subtract  8e from both sides:

9e-8e+4=8e-8e+14\\\\e+4=14

Subtract 4 from both sides:

e+4-4=14-4\\\\e=10

:Done

IrinaVladis [17]3 years ago
7 0

Answer: e = 10

Step-by-step explanation: 9e + 4 = -5e + 14 + 13 e

Now lets bring the variables and numbers on a different side

Remember that when the numbers go to the other side the sign changes

so 4 - 14 = -9e + 13e -5e

-10 = -e

10 = e

if plug in both equations on a graph then you will see that when e = 10 the lines meet at 94.

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How many degrees will the hour hand of a clock move if it is turned clockwise from 4 pm to 8 pm?​
just olya [345]
27 degrees is the answer
8 0
3 years ago
The table shows the times of the first three finishers in a race.
9966 [12]

Answer:

Option "B" and "C" are True

Step-by-step explanation:

Given time:

First 12.89

Second 13.52

Third 14.05

Find:

True statement

Computation:

Difference between first and second = 13.52 - 12.89 = 0.63

Difference between second and third = 14.05 - 13.52 = 0.53 (Second true)

Difference between first and third = 14.05 - 12.89 = 1.16 (Third true)

8 0
3 years ago
Kimberly and Mike have an equal amount of money. After Kimberly spent $50 and Mike spent $25, Mike's money is 50% more than Kimb
Paul [167]

Answer:

Kimberly and Mike had at first $100 each

Step-by-step explanation:

Assume that Kimberly and Mike each have $x

∵ Kimberly has $x

∵ Kimberly spent $50

- Find the reminder with Kimberly by subtracting 50 from x

∴ The money left with Kimberly = x - 50

∵ Mike has $x

∵ Mike spent $25

- Find the reminder with Mike by subtracting 25 from x

∴ The money left with Mike = x - 25

∵ Mike's money is 50% more than Kimberly's money

- That means Mike's money is more than Kimberly's money by

   50% of Kimberly's money

∴ x - 25 = (x - 50) + 50%(x - 50)

∵ 50% = \frac{50}{100} = 0.5

∴ x - 25 = (x - 50) + 0.5(x - 50)

- Simplify the right hand side

∴ x - 25 = x - 50 + 0.5x - 25

- Add the like terms in the right hand side

∴ x - 25 = 1.5x - 75

- Add 75 to both sides

∴ x + 50 = 1.5x

- Subtract x from both sides

∴ 50 = 0.5x

- Divide both sides by 0.5

∴ 100 = x

∵ x represents the amount of money that Kimberly and

   Mike each had at first

∴ Kimberly and Mike had at first $100 each

7 0
3 years ago
Solve it please. Just wanted to check my drawing skill but please solve it​
polet [3.4K]

Answer:

Step-by-step explanation:

I'm assuming that strange looking thing is a 9, so begin by multiplying both sides by that denominator to get:

x-9=\sqrt{x}+3 then subtract 3 from both sides to get

x-12=\sqrt{x} and then square both sides to get

x^2-24x+144=x and get everything on one side to solve for x by factoring:

x^2-25x+144=0 and factor that however it is you have learned to factor second-degree polynomials to get that

x = 16 and x = 9. We have to check for extraneous solutions because anytime you manipulate an equation, as we did by squaring both sides, you run the risk of these solutions that actually don't work when you plug them back into the original equation. Let's try 16 first:

\frac{16-9}{\sqrt{16}+3 }=1  If 16 is a solution, then this statement will be mathematically true.

\frac{7}{4+3}=1  and   \frac{7}{7}=1 so 16 works. Let's try 9:

\frac{9-9}{\sqrt{9}+3 }=1  We know that one doesn't work, because 9-9 = 0 and 0 over anything = 0, not 1.

x = 16 is the only solution.

5 0
3 years ago
Read 2 more answers
How long will it take for $6400 to grow to $43,800 at an interest rate of 3.4% if the interest is compounded continuously?
andrew-mc [135]

Answer:

57.53years to the nearest hundredth

Step-by-step explanation:

For compound interest,A=P(1+r/100)^t

where r=rate of interest

t= investment tenor

$43800=6400(1+3.4/100)^t

which simplifies to 57.5250≈57.53 to the nearest hundredth

7 0
3 years ago
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