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yanalaym [24]
3 years ago
12

F(x) = –2x2 + 4x + 1

Mathematics
1 answer:
ddd [48]3 years ago
3 0

Answer:

x = 3/4

Step-by-step explanation:

f(x) = -2×2 +4x +1

f(x) = -4 +4x +1

f(x) = 4x -3

3 = 4x

3/4 = x

x= 3/4

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Approximately 3.1 million deaths per year. How many per minute
Charra [1.4K]

Answer:

5.898

Step-by-step explanation:

There are 365 days in a year.

There are 24 hours in a day.

There are 60 minutes in an hour.

In a day, there are 60 minutes each hour x 24 hours = 1440 minutes

In a year, there are 1440 minutes per day x 365 days = 525600 minutes

3.1 million = 3,100,000

3,100,000 / 525600 = 5.898 (rounded from 5.89802130898)

4 0
4 years ago
The solution generated by the calculator is 5.779E–8. Describe how to interpret the solution.
Serga [27]

the E-8 at the end means the number is multiplied by 10^-8

so 5.779E-8=

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3 0
4 years ago
Read 2 more answers
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hichkok12 [17]

Solution

For this case we have the following equation given:

And we can distribute the terms first ans we got:

6n-12-\frac{1}{4}n=\frac{3}{4}n+3

Then we can aggrupate the terms like this:

6n-\frac{1}{4}n-\frac{3}{4}n=12+3

Then we can solve for n like this:

6n-1n=15

5n =15

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6 0
2 years ago
On a coordinate grid the coordinates of vertices p and q for polygon pars are p(5,4) and q(-2,4) what is the length of side pq?
Mariulka [41]

Answer:

pq = 7

Step-by-step explanation:

Calculate the length using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = p(5, 4) and (x₂, y₂ ) = q(- 2, 4)

pq = \sqrt{(-2-5)^2+(4-4)^2}

     = \sqrt{(-7)^2+0^2}

     = \sqrt{49}

     = 7

4 0
4 years ago
The airplane travels 1,650 miles in 3 hours. What is<br> the unit rate?
aliya0001 [1]

Answer:

550 miles per hour

Step-by-step explanation:

6 0
3 years ago
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