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const2013 [10]
3 years ago
15

Well can someone help get the answer in at least 4 minutes tops

Mathematics
2 answers:
erik [133]3 years ago
8 0
Answer: Yup its C, 14 I can confirm this.
Alex3 years ago
6 0

Answer: 14 is the answer, C.

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The initial population of a town is 2500, and it grows with a doubling time of 10 years. What will the population be in 8 years?
alisha [4.7K]
2500x0.80=2000 so i think it would be 2000 in 8 years

or if youre adding the 2000 to the already existing 2500 then it would be 4500.
4 0
2 years ago
If (a+b)(a-b)=21,a+b=7 and a-b=3 what Is the value of a
topjm [15]

9514 1404 393

Answer:

  5

Step-by-step explanation:

Add the latter two equations and you get ...

  (a +b) +(a -b) = (7) +(3)

  2a = 10 . . . . . . . . . . . . . . . simplify

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8 0
2 years ago
10. In 3 minutes, Erin typed 120 words. At this rate, how long would
Sophie [7]

Answer:

Step-by-step explanation:

Possible 5 minutes because 120÷3=40 , so they type 40 words per minute. Then if you do 200÷40 , it will equal 5.

4 0
3 years ago
Which ordered pair is a solution for 3x + 4y < 12?
Andre45 [30]

Answer:

D, (1,2)

Step-by-step explanation:

It all comes down to substitution. In this case the coefficient of x is 3 and the coefficient of y is 4. The format of these coordinates being (x,y).

1. Plug in your x value (1 in this circumstance) and solve:

3(1) + 4y < 12

3 + 4y < 12

2. Plug in your y value (2 in this circumstance) and solve:

3 + 4(2) < 12

3 + 8 < 12

3. Solve

3 + 8 = 11

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5 0
2 years ago
Rewrite the function f(x)=2(x-2)^2-5 and in the form ax^2+bx+c
Ira Lisetskai [31]

Answer:

Step-by-step explanation:

f(x)=2(x-2)²-5

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f(x)=2x²-8x+3

7 0
3 years ago
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