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Step2247 [10]
3 years ago
9

What is the factorization of 3x2 – 8x + 5?

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0

For this case we must factor the following expression:

3x ^ 2-8x + 5

We rewrite the middle term as a sum of two terms whose product is

a * c = 3 * 5 = 15

And whose sum is

b = -8

These numbers are:

-5 and -3

So:

3x ^ 2-5x-3x + 5

We factor the maximum common denominator of each group:x (3x-5) - (3x-5)

We take common factor(3x-5):

(3x-5) (x-1)

Answer:

(3x-5) (x-1)

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Find the largest possible revenue from the demand equation "Q= -2p + 1000
Mariana [72]
Revenue=quantity x price= (-2p+1000) (p)= -2p^2+1000p
The maximum revenue will occur when the first derivative is zero so when 2(-2p)+1000=0;p=250
Which generates 125,000 in revenue
Try prices of 245 and 255 and you will see they both are less than 250 thereby proving the max revenue is 250
3 0
3 years ago
How do you solve for factoring polynomials with leading coefficient >1​
svetoff [14.1K]

Answer: (x+5)*(x+2)

Step-by-step explanation:

1: Write as a sum

x^2+7x+10

2: Factor the expressions

x^2+5x+2x+10

3: Factor the expression

x(x+5)+2(x+5)

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Hope this helps!

4 0
3 years ago
3y is 45% of what number
alexdok [17]

Answer:

Call the number x and y. Then:

x - y = 45

and

x/y = 4, So x = 4y

Substitute 4y for x in the first equation:

4y - y = 45

3y = 45

y = 45/3 = 15

Substitute y = 15 in the first equation

x - 15 = 45

x = 45 + 15 = 60

So the two numbers are 60 and 15

Step-by-step explanation:

hope this helps

6 0
2 years ago
May somebody help me please
Rudiy27
I tried to figure it out and my conclusion was 6789.66
7 0
3 years ago
The sum of and is -15/32 and 7/32 is
Degger [83]
It can be -8/32 or -0.25
3 0
3 years ago
Read 2 more answers
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