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Dafna11 [192]
3 years ago
9

What adds to 11 and multiplies to -150

Mathematics
1 answer:
o-na [289]3 years ago
7 0
A number what else.You know.People with no humor these days.


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E^2x -2e^x -8=0<br><img src="https://tex.z-dn.net/?f=%20%7Be%7D%5E%7B2x%7D%20-%20%20%7B2e%7D%5E%7Bx%7D%20-%208%20%3D%200" id="Te
vovikov84 [41]
E^2x -2e^x -8=0   =>    e<span>^(2x)  -2e^x -8=0

Temporarily replace e^x with y.

Then (y)^2 - 2y - 8 = 0.  Factors are (y-4) and (y+2).

Roots are y = 4 and y= -2.

Now remembering that we temporarily replaced e^x with y, we let 
y=4 = e^x.  We need to solve for x.  Taking the natural log of both sides, we get:

ln 4 = x (answer)

We have to discard the other root (y= -2), because we cannot take the ln of a negative number.


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8 0
3 years ago
I need the answer for (y 7)4 8-5y
Neko [114]
Answer is:<span>
= <span><span>48<span>y7 -</span></span> <span>5<span>y.</span></span></span></span>
8 0
3 years ago
Andres found out that his experimental probability of getting a hit is 40%. Out of 350 at bats, about how many hits could he pre
Firlakuza [10]

Answer:

140?

Step-by-step explanation:

40 percent of 350 is 140 so I assume its 140.

6 0
3 years ago
Lake in East Texas was stocked with 3,000 trout in the year 2000. The number of fish in the lake is modeled by f(x) = 3000 + 100
krok68 [10]

Answer:

Step-by-step explanation:

A

8 0
3 years ago
Read 2 more answers
Worth 10 points pls help
Olenka [21]
What subject is this
3 0
3 years ago
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