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pentagon [3]
2 years ago
5

3x2 + 5x - 7 = 0 is a quadratic equation. True False

Mathematics
1 answer:
meriva2 years ago
8 0

Answer:

True

Step-by-step explanation:

Quadratic equations have the highest degree on x as 2. The given equation has 3x^2, meaning that it is quadratic.

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What is the amount of a $4,000.00 annuity due at 12 percent compounded semiannually for 3 years?
Dmitriy789 [7]

Answer:

$ 5674.076

Step-by-step explanation:

The question is on compound interest

The formulae = A= P(1+ r/n) ^nt .......where P is the principal amount, r is the rate of interest in decimal, n is number of compoundings per year and t is the total number of years.

Given; P= $4,000.00 , r=12/100=0.12, n=2 and t=3

Substituting values in the equation  A= P(1+ r/n) ^nt

A= 4000 ( 1+0.12/2)^2×3

A=4000(1.06)^6

A=$ 5674.08

3 0
3 years ago
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What is the answer for 7x minus x
larisa86 [58]
\bf{7x-x}

We can take out x as a factor

\bf{x(7-1}

What is 7-1=?

6 !

So then that means

\bf{x(6)=6x}

So your final answer is

\boxed{\bf{6x}}
8 0
3 years ago
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What is the fraction 28/60 expressed in lowest terms?
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how much time does it take for a bird flying at a speed of 45 km per hour to travel distance of 1800 km
Andrew [12]

Answer:

40 hours


Step-by-step explanation:

1800 divided by 45 equals 40 hours. To check your answer you can do 45 times 40.


Hope this helped.

3 0
2 years ago
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