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vitfil [10]
2 years ago
14

POINTSSS HELP Sam bought a laptop computer at a discounted price using his credit card. Which sentence describes a benefit of pa

ying by credit card? OA Paying by Credit card is cheaper than paying with cash. O B. You can make a purchase without having the cash to pay for it. OC. Credit card companies don't charge interest on overdue payments. D. Purchases made with a credit card are tax free.​
Mathematics
1 answer:
bagirrra123 [75]2 years ago
7 0

Answer: B

⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀

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Pedro buys 4 books at the fair for $7 each. Pedro hands the cashier 3 ten dollar bills. how much change would he receive? write
garik1379 [7]
4 x 7 = 28 - 30 = -2. His change is 2 dollars.
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3 years ago
0.25r-0.125+.5r=0.5r show work please want to check mine
Vesna [10]
0.25r-0.125+0.5r=0.5r 0.75r-0.125=0.5r -0.125= -0.25r r=0.5
4 0
3 years ago
How would the expression x^3-8 be written using difference of cubes
ludmilkaskok [199]

we can use formula

a^3-b^3=(a-b)(a^2+ab+b^2)

we can compare

we get

a=x

b=2

now, we can plug that in formula

and we get

x^3-2^3=(x-2)(x^2+2x+2^2)

now, we can simplify it

x^3-8=(x-2)(x^2+2x+4)...........Answer

4 0
3 years ago
Read 2 more answers
What is 69/8 as mixed number?
Dafna1 [17]
There you go
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5 0
3 years ago
21 POINTS!! Thank you so much!! There’s also things on my page worth lots points points as well! So if you could help with those
Art [367]

Answer:

Second one

third one

fifth one

last one

Step-by-step explanation:

Based on the x intercepts we can write

a(x+1)(x-5)

where a is some constant

solve for a by plugging in some coordinates

let's plug in (1,-8)

-8=a(1+1)(1-5)

-8= -8a

a=1

therefore the quadratic is (x+1)(x-5)

expand this

x²-4x-5

To find out where something is decreasing/increasing it's easiest to take the first derivative

x²-4x-5= 2x-4

set this equal to 0

2x-4=0

2x=4

x=2

Which means that our two intervals are

(-∞,2)U(2,∞)

plug in any values in the intervals to see whether or not the function is increasing/decreation

Let's plug in 0 for (-∞,2)

2(0)-4

-4

It's negative so it's decreasing on this interval

DO the same thing with the other one

let's plug in x=3

2(3)-4

2

this is positive so it's increasing on this interval

Go back to the critical value of x=2 and plug this into the equation to find the max/min

(2+1)(x-5)= -9

This is a minimum because the cofeccient for the degree is positive

For the limit one notice that we have a positive, even degree which means the end behavior is positive, positive

what this means is as x approaches negative infinity it's infinity

and as x approaches infinity it's infinity

6 0
2 years ago
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