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Y_Kistochka [10]
3 years ago
11

PLAESE HELP

Mathematics
2 answers:
OLEGan [10]3 years ago
7 0

Hey there!

I took the test, and I can confirm that B. Line 2 only is the CORRECT answer

xXxGolferGirlxXx

ankoles [38]3 years ago
4 0

Ok well let's start with line 1:

(x + 2)(x - 3) = x^2 - x - 6 (this works so far)
(x + 0.5)^2 - 6.25 = x^2 + x + 0.25 - 6.25
= x^2 + x - 6 (this is not equal to x^2 - x - 6 so Line 1 is not an answer)

Now for line 2:


(x + 1)(x - 2) = x^2 - x - 2 (this works so far)
(x - 0.5)^2 - 2.25 = x^2 - x + 0.25 - 2.25
= x^2 - x - 2 (this also works)
Therefor Line 2 only is the answer
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What is the ratio of a nickel to one dollar? reduce to simplest form
makkiz [27]

1:0.05

I think this is the answer

3 0
3 years ago
What is the answer of this equation [x+3]<4
mariarad [96]

Answer:

x<1  x>-7

Step-by-step explanation:

|x+3|<4

We know x+3<4 and x+3>−4

x+3<4  (Condition 1)

x+3−3<4−3  (Subtract 3 from both sides)

x<1

x+3>−4 (Condition 2)

x+3−3>−4−3  (Subtract 3 from both sides)

x>−7

Answer:

x<1 and x>−7

 

 

5 0
3 years ago
F(x)=x^4+3, g(x)=x-7 and h(x)=square root of x then f(g(h(x))=
SpyIntel [72]

Answer:

<em>x² - 28x√x + 294x - 1372√x + 2404 </em>

Step-by-step explanation:

f(x) = x^{4} + 3

g(x) = x - 7

h(x) = √x

f(g(h(x))) - ?

g(h(x)) = √x - 7

f(g(h(x))) = (\sqrt{x} -7) ^{4} + 3 = ( √x - 7 )² × ( √x - 7 )² + 3 =

= (x - 14√x + 49)(x - 14√x + 49) + 3 =

= x² - 14x√x + 49x - 14x√x + 196x - 686√x + 49x - 686√x + 2401 + 3 =

=  <em>x² - 28x√x + 294x - 1372√x + 2404</em>

8 0
2 years ago
3 easy questions
Tasya [4]
It is p, as x. get it?
4 0
3 years ago
Here is another math question 6/3+(-1/3)
gtnhenbr [62]
<span>6/3+(-1/3)
</span><span>= 6/3-1/3
= 5/3
= 1 2/3</span>
6 0
3 years ago
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