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kramer
3 years ago
8

HELPP it’s angles of a triangle much appreciated !

Mathematics
1 answer:
bulgar [2K]3 years ago
3 0

Answer:

The coastline of alaska is longer than the entire coastline of the lower forty-eight states

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If x+1 and x-1 are the factors of the polynomial ax^3 + x^2 - 2x +b,find the values of a and b
Nadusha1986 [10]

The polynomial remainder theorem says that dividing a polynomial p(x) by x-c leaves a remainder of p(c)=0 if x-c is a factor of p(x). In this case, check c=-1 and c=1.

a(-1)^3+(-1)^2-2(-1)+b=-a+b+3=0

a(1)^3+(1)^2-2(1)+b=a+b-1=0

From the first equation,

-a+b+3=0\implies a=b+3

and substituting into the second gives

(b+3)+b-1=0\implies2b+2=0\implies b=-1\implies a=2

3 0
3 years ago
What is the product of the following? 22 × 26/11<br> a. 44<br> b. 446/11<br> c. 89/14<br> d. 56
soldier1979 [14.2K]

22* \frac{26}{11} = 2*11* \frac{26}{11} =2*26=52&#10;


<span>any answer is correct, my is correct....</span>

4 0
3 years ago
Jayda take 4 hours to deliver 156 newspapers. How many newspapers can Jayda deliver in one hour?
Oksana_A [137]

Answer:

Step-by-step explanation:

39

8 0
3 years ago
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What is the slope of the line 3 + 4x = 2y - 9
SSSSS [86.1K]
Hello! 

Ok so ideally we would like to see this in y=mx+b form. But it will take some algebreic skills to ninja our way through this. 

I'll show my steps so you can follow, 

3+4x = 2y - 9 (original equation) 

Next we just add 9 to both sides, 

12 + 4x = 2y, now we can divide both sides by 2,

y=2x+6 as our final equation. This is in y=mx+b form, thus the slope of our line is 2 because the 2 is sitting in the m space of the equation. If you  still dont understand linear stuff, I'd google slope-intercept form 

Hope this helped!
7 0
3 years ago
An object on Jupiter weighs about 2.5 times as much as the same object would weigh on Earth. If a person on Earth weighs 135 lb.
siniylev [52]
That person would weigh 337.5 pounds

4 0
3 years ago
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