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FromTheMoon [43]
3 years ago
8

Please answer this quickly !

Mathematics
1 answer:
nika2105 [10]3 years ago
4 0

Answer:

The first option.

Because we're solving for the price of each gallon, x will represent the cost of each gallon. Since 8.4 is the total amount of gallons, multiply 8.4 and x to get $23.94. Solve for x by dividing 23.94 to get $2.85 per gallon. To check this, substitute 2.85 for x into the equation: 8.4 (2.85) = 23.94

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E^ln 1 =
tigry1 [53]
a^{log_a(b)}=b
ln=log_e
so
e^{ln(x)}=e^{log_e(x)}=x for all x

first one
e^{ln(1)}=1
C is answer

2nd one
e^{ln(5x)}=5x
D is answer
5 0
4 years ago
Read 2 more answers
What is the length of the hypotenuse of the triangle?
Jobisdone [24]

Essentially, we just use the pythagorean theorem to solve:

7^2 + 3^2 = c^2

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58 = c^2

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The answer is Option D.


3 0
3 years ago
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Larson's beehive farm usually produces 85 pounds of honey per year. About how many pounds of honey will 10 to the 3rd power hive
Mazyrski [523]
Solve this problem using an equation of ratios:


85 pounds
--------------  =  ?
    1 year

I think you may have omitted some key info from this problem.  You don't say how many hives are on this farm, for example.  
4 0
3 years ago
What are the lengths of the other two sides of the
damaskus [11]

Answer:

D) AC = 5 and BC = 53

Step-by-step explanation:

6 0
3 years ago
What’s is the answer to y=3x+7<br> Y=x-9
photoshop1234 [79]

Answer:

(- 8, - 17 )

Step-by-step explanation:

Given the 2 equations

y = 3x + 7 → (1)

y = x - 9 → (2)

Substitute y = 3x + 7 into (2)

3x + 7 = x - 9 ( subtract x from both sides )

2x + 7 = - 9 ( subtract 7 from both sides )

2x = - 16 ( divide both sides by 2 )

x = - 8

Substitute x = - 8 into either of the 2 equations for corresponding value of y

Substituting into (2)

y = - 8 - 9 = - 17

Solution is (- 8, - 17 )

6 0
3 years ago
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