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Reika [66]
3 years ago
11

if p(x) = x2 – 1 and q(x)=5(x-1), which expression is equivalent to (p – q)(x)? a: 5(x – 1) – x2 – 1 b: (5x – 1) – (x2 – 1) c: (

x2 – 1) – 5(x – 1) d: (x2 – 1) – 5x – 1
Mathematics
2 answers:
zavuch27 [327]3 years ago
7 0
P(x) = x^2 - 1
q(x) = 5(x - 1)
(p - q)(x) = (x^2 - 1) - 5(x - 1)
Sedaia [141]3 years ago
7 0

Answer:

Option c is true.

( (p-q)(x)=(x^2-1)-5(x-1) ) .

Step-by-step explanation:

We are given:

p(x) = x^2-1 and q(x)=5(x-1).

Now we are asked to find the expression of:

(p-q)(x)

We know that the expression (p-q)(x) could also be written as:

(p-q)(x)=p(x)-q(x)

Hence, (p-q)(x)=(x^2-1)-(5(x-1))\\\\(p-q)(x)=(x^2-1)-5(x-1)

Hence option c is true i.e. the expression is:

(p-q)(x)=(x^2-1)-5(x-1)

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Nth term to 4 1 -2 -5 -8
AURORKA [14]

4

4 - 3 = 1

1 - 3 = -2

-2 - 3 = -5

-5 - 3 = -8

It's the arithmetic sequence.

a_n=a_1+(n-1)d

a_1=4,\ d=-3

substitute

a_n=4+(n-1)(-3)=4-3n+3=-3n+7

Answer: a_n=-3n+7


7 0
3 years ago
I barely ask questions but I really need help with #3 and a little with 4. On number four I got 1 1/20 which doesn’t seem right.
uranmaximum [27]
Let r, g and b represent red, green and blue.

r+g+b = 74

r=g-1

b=r+g

Again, r+g+b = 74.  Let's substitutte r+g for b:  r+g+(r+g) = 74.

Next, let's eliminate r.  Use r=g-1.  Then      g-1  + g + g-1 + g = 74

Combining the g terms,  4g - 2 = 74     => 4g = 76   =>  g = 19

Recall that r=g-1
and 
b=r+g

Find r.  If r=g-1, and g=19, then r = 19-1=18

Find b:  b = r+g = 18+19=37

So there are 37 blue candies, 18 red candies and 19 green candies.

Check:  37+18+19=74 ???  Yes.
8 0
3 years ago
What is the answer for p? I keep getting 2.571428571 but that not the answer and I’ve tried to round it and still not the correc
DENIUS [597]

Answer:

2.15

Step-by-step explanation:

3 0
3 years ago
What is the measure of
Nat2105 [25]

Answer:

24

Step-by-step explanation:

180-156=24

5 0
3 years ago
Read 2 more answers
Ms santos seashells into 4 row she puts 6 seashells in each row how many seachells are there altogether
kati45 [8]
4 rows and 6 seashells in each row. 
Row 1: 0 0 0 0 0 0
Row 2: 0 0 0 0 0 0
Row 3: 0 0 0 0 0 0
Row 4: 0 0 0 0 0 0

You add all of them together 6+6+6+6=24 
Or you could do 6x4 and your answer would be 24
So the answer to the question is 24 seashells. 
3 0
2 years ago
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