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AleksandrR [38]
3 years ago
6

Select the correct answer.

Mathematics
1 answer:
hjlf3 years ago
6 0
The correct answer is:  [A]:  "You can get cash-back rewards."    
______________________________________________________
Choice [B]:
 is incorrect;  sometimes you do have to pay sales tax on applicable items; even when using a credit card to make purchases.
____________________________________________________
Choice [C]:  
is incorrect in the sense in that it not the best answer;  doing so (mail-in-rebates by mailing receipts ARE NOT EXCLUSIVE to paying with a credit card —this can be done with debit cards; cash payments; etc. 
_______________________________________________
You might be interested in
I need help hdbcjsjfnfnfjfjffdbbfdncndnc
lbvjy [14]
\frac{3}{15k+30} : \frac{6k}{5k^2+30k+40} = \frac{3}{15(k+2)} . \frac{5(k+2)(k+4)}{6k} = \frac{k+4}{6k}
8 0
3 years ago
Help don’t understand
marusya05 [52]

Answer:

f(-14) = -6

f(-4) = 6

f(12) = 6

f(0) = -3

negative

Step-by-step explanation:

f(-14) = -6

This is because when x is -14, y is -6, as seen in the graph

f(-4) = 6

This is because when x is -4, y is 6, as seen in the graph

f(12) = 6

This is because when x is 12, y is 6, as seen in the graph

f(0) = -3

This is because when x is 0, y is -3, as seen in the graph

is f(4) positive or negative?
negative

This is because when x is 4, y is -6, as seen in the graph

6 0
2 years ago
What are the four points of intersection between 4x^2 + y^2 - 4y - 32 = 0 and x^2 - y - 7 = 0 ? Solve algebraically
tensa zangetsu [6.8K]
Remember (a²-b²)=(a-b)(a+b)

solve for  a single variable
solve for y in 2nd

add y to both sides
x²-7=y
sub (x²-7) for y in other equaiton

4x²+(x²-7)²-4(x²-7)-32=0
expand
4x²+x⁴-14x²+49-4x²+28-32=0
x⁴-14x²+45=0
factor
(x²-9)(x²-5)=0
(x-3)(x+3)(x-√5)(x+√5)=0
set each to zero

x-3=0
x=3

x+3=0
x=-3

x-√5=0
x=√5

x+√5=0
x=-√5


sub back to find y

(x²-7)=y

for x=3
9-7=2
(3,2)

for x=-3
9-7=2
(-3,2)

for √5
5-7=-2
(√5,-2)

for -√5
5-7=-2
(-√5,-2)


the intersection points are

(3,2)
(-3,2)
(√5,-2)
(-√5,-2)
8 0
3 years ago
In which choice is y not a linear function of x?
Nadya [2.5K]

Answer:D

Step-by-step explanation:

In d the x’s cancel out so y is not a function of x anymore!

3 0
3 years ago
The area of a rectangle is 6 + 3x square feet. Which of the following expressions could represent the lengths
Setler79 [48]

Answer:

B

Step-by-step explanation:

3(2+x)

distribute

=6+3x

8 0
3 years ago
Read 2 more answers
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