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dezoksy [38]
3 years ago
15

What is the simplified form of 1/x-1/y/1/x+1/y?

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0

Answer:

b

Step-by-step explanation:

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Which equation, when graphed, has x-intercepts at (8, 0) and (−2, 0) and a y-intercept at (0, −48)?
MakcuM [25]

the answer is C.f(x) = 3(x − 8)(x + 2)

7 0
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Need help with all And have to show work
kari74 [83]
Altho' I can easily guess what you're supposed to do here, I must point out that you haven't included the instructions for this problem.

I'll help you by example.  Let's look at the first problem:

"Evaluate  6(z-1) at z-4."

Due to "order of operations" rules, we must do the work inside the parentheses FIRST.  Replace the z inside (z-1) with "-4".  We obtain

6(-4-1) = 6(-5) = -30 (answer.)

Your turn.  Try the next one.  If it's unclear, as questions.
8 0
3 years ago
What is the factorization of x^3 + 8?
Genrish500 [490]
X^3 + 8 = 
<span>factorized 
( x + 2 )</span><span>( <span><span>x2− 2x </span>+ 4 </span><span>)
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8 0
3 years ago
Which value of a would make the expression 5 1/3 divided by 4/a equivalent to a whole number?
Leya [2.2K]

9514 1404 393

Answer:

  a = any positive multiple of 3

Step-by-step explanation:

You want ...

  (5 1/3)/(4/a) = whole number

  (16/3)·(a/4) = whole number

  (4a/3) = whole number

This will be the case for a = 3n, for any positive integer n.

8 0
2 years ago
In 2009 there was an endangered population of 270 cranes in a western state. Due to wildlife efforts, the population is increasi
Vitek1552 [10]
Assuming compount interest format

A=P(r+1)^t for compounded per 1 year
A=future amount
P=present amount
r=rate in decimal
t=time in years


given
P=270
r=5%=0.05

the equaton is
A=270(0.05+1)^t or
A=270(1.05)^t
for any year, 2009, is year 0, so if you wanted to input the year then
A=270(1.05)^{t-2009} would be for t=what year it was

A. f(x)=270(1.05)^t


b. 2009 to 2020
2020-2009=11 years
t=11
f(11)=270(1.05)^{11}
f(11)=461.792
about 462 cranes


A. f(x)=270(1.05)^t
B. about 462
8 0
3 years ago
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