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Kobotan [32]
3 years ago
8

All of the following are equivalent except 7x2, 4x+3x, (4+3)x, 7x

Mathematics
2 answers:
Virty [35]3 years ago
5 0

Answer:

7x^2 (the first choice)

Step-by-step explanation:

7x^2

4x+3x = 7x

(4+3)x = 7x

7x

All are 7x except for the first one which is 7x^2

Sophie [7]3 years ago
4 0

Answer:

7x^2 (the first choice)

Step-by-step explanation:

7x^2

4x+3x = 7x

(4+3)x = 7x

7x

All are 7x except for the first one which is 7x^24

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The initial number of trees is when t = 0:-
1500 * t^0  = 1500   so the answer is either a or c.
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3 years ago
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An investment made in the stock market decreased at a rate of 2.2% per year for 10 years. What is the current value of
never [62]

Answer:

$800,500 (nearest dollar)

Step-by-step explanation:

The given scenario can be modeled as an <u>exponential equation</u>.

<u>General form of an exponential function</u>:

 f(x)=ab^x

where:

  • a is the initial value (y-intercept)
  • b is the base (growth/decay factor) in decimal form
  • x is the independent variable
  • y is the dependent variable

If b > 1 then it is an increasing function

If 0 < b < 1 then it is a decreasing function

The initial value (a) is the value of the investment.

Therefore, a = 1,000,000.

If the investment <u>decreases</u> by 2.2% each year, then it will be 97.8% of the previous year.

Therefore, b = 97.8% = 0.978.

Substitute these values into the formula to create a general equation for the scenario:

f(x)=1000000(0.978)^x

(where x is the time, in years).

To find the value of the investment after 10 years, substitute x = 10 into the formula:

\implies f(10)=1000000(0.978)^{10}=800500.1586

Therefore, the value of the investment after 10 years is $800,500 (nearest dollar).

Learn more about exponential functions here:

brainly.com/question/27949445

brainly.com/question/27955470

3 0
1 year ago
Two cargo ships spot a signal fire on a small island. The captains know they are 140 feet
sweet [91]

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add all the angles

Step-by-step explanation:

140+82+78

6 0
3 years ago
The larger of two consecutive integers is 11 more than one-half the smaller
Pachacha [2.7K]
I think it's 23 or 52
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B One of these numbers is the area of the outside curved surface of the cylinder, in cm', using
GrogVix [38]

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