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Vsevolod [243]
2 years ago
7

The fragment of a function given by the formula y = ax ^ 2 passes through the points of the coordinate plane (-3; 18) and (1; c)

. Find c

Mathematics
2 answers:
devlian [24]2 years ago
5 0

Answer:

Step-by-step explanation:

When you measure cones, in which directions you should click on the dots

representing cones.

frutty [35]2 years ago
3 0

Answer:

c = 2

Step-by-step explanation:

The points (- 3, 18 ) and (1, c ) lie on the graph and therefore make the equation true.

Substitute (- 3, 18 ) into the equation

18 = a(- 3)² = a × 9 = 9a ( divide both sides by 9 )

2 = a , then

y = 2x² ← is the equation of the parabola

Substitute (1, c ) into the equation

c = 2(1)² = 2 × 1 = 2

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An apple grower finds that if he plants 80 trees per acre, each tree will yield 26 bushels of fruit. He estimates that for each
hammer [34]

Answer: The maximum revenue is $7482 . To get a maximum yield , The number of trees per acre needed is 43.

Step-by-step explanation:

Solution:

Let x represent the extra tree

So for an additional tree the yield of each tree will decrease by 4 bushels.

(80 +x)(26-4x) by expanding

2080 - 320x +26x -4x^2

Using x= -b/2a

X= 294/ -8

X= - 36.75

So apparently he currently has far too many trees per acre. To get the maximum yield , she needs to reduce the number of trees per acre by 36.75

So the number of trees per acre for maximum yield is

80-36.75

=43.25

Approximately x=43

So by reducing he get extra bushel in the tune of 174.

Total revenue= 174 ×43× 1$

=$7482

3 0
3 years ago
How much money would a person have 8 years after they invested $2,000 into an account that has an annual interest rate of 3% tha
madam [21]

The amount of money the person would have in 8 years s $2541.74.

<h3>How much would the person have in 8 years? </h3>

The formula for calculating future value is:

FV = P (1 + r)^nm]

Where:

FV = Future value
  • P = Present value = $2000
  • R = interest rate = 3% / 12 = 0.25%
  • m = number of compounding = 12
  • N = number of years = 8 years

Value of the account in 8 years with monthly compounding = $2000(1.0025)^(12 x 8) = $2541.74

To learn more about future value, please check: brainly.com/question/18760477

4 0
1 year ago
What are some responsibilities that come with having a checking account?
vampirchik [111]

Answer:

Once the account is open, it is the responsibility of the account holders to reconcile their statements and maintain a proper balance in order to clear all checks. It is very important to pay attention to your balance, and a monthly reconciliation of your account is highly beneficial.

Step-by-step explanation:

3 0
3 years ago
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mestny [16]

The answer would be 9. 9x3=27 and 9x4=36. Although 3 fits into both, 9 is the BIGGER number that also fits into both of the numbers shown in the problem.

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2 years ago
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Solve the following equation 8 = m - 12
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Answer:

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