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solong [7]
3 years ago
12

I need to find the x values for: 4x^2+8x-66=0

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0
I dont think this has a solution it cannot be determined
 
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How much should 5x³+3x²-2x+1 be increased to get 6x² +7​
Mnenie [13.5K]

Answer:

-5x³ + 3x³ + 2x + 6

Step-by-step explanation:

if that is truly the complete problem description, then the only possible answer I can think of, that makes any sense :

what do I need to add to 5x³+3x²-2x+1 to get 6x²+7 ?

the answer is

6x²+7 - (5x³+3x²-2x+1) = 6x²+7-5x³-3x²+2x-1 =

= -5x³ + 3x³ + 2x + 6

5 0
3 years ago
NEED HELP AND NEED TO SHOW WORK
Olin [163]

Answer:

f(-2) = 0

f(1) = 12

(x^3 - 7x - 6) / (x + 2) = x^2 - 2·x - 3 = (x - 3)(x + 1)

x^3 - 7x - 6 = (x + 2)(x - 3)(x + 1)

7 0
3 years ago
Ariana has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversely
AveGali [126]

Answer:

9 scarves.

Step-by-step explanation:

We have been given that the number N of scarves Ariana can make is inversely proportional to the area A of each scarf.

We know that equation of two inversely proportional quantities in in form y=\frac{k}{x}, where, k is constant of variation and y is inversely proportional to x.

Let us find constant of variation using our given information.

N=\frac{k}{A}

15=\frac{k}{3}

15*3=\frac{k}{3}*3

45=k

Now, we will substitute A=5\text{ and }k=45 in our equation to solve for N.

N=\frac{45}{5}

N=9

Therefore, Ariana can make 9 scarves.

8 0
3 years ago
Give a solution I needed it urgent
Anna35 [415]

Answer:

A≈967.61

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Plzzzz plzzzz help me the word has to have the root man
riadik2000 [5.3K]
I don't know the root you are talking about but i would say "we might say that they are bulk"
5 0
3 years ago
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