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vlada-n [284]
3 years ago
7

I need desperate help ​

Mathematics
2 answers:
Ad libitum [116K]3 years ago
8 0
It is option D. Try to change the variable in each equation with the x and see if it gives y. It isn’t possible for all of them except in D
Lady_Fox [76]3 years ago
3 0

Answer:

D

Step-by-step explanation:

y equals 1. x equals 15. 15 over 15 is 1.

You might be interested in
Which exponential function models how much a $52,500 car depreciates at 9%
hram777 [196]

Answer:

y = 52500(.91)^x

Step-by-step explanation:

Exponential functions are written y = ab^x where a is the starting point and b is the common ratio. We know the initial worth is 52500 and each year the worth decreases 9% of the original year, making it work 91% of the previous value.

3 0
2 years ago
Help me please I need help?
liubo4ka [24]
I think it is D

I am not sure but this is what I think it is
4 0
3 years ago
Read 2 more answers
(3x-4y)^2-(3x-4y)(3x+4y)
zheka24 [161]

Answer:

-24xy + 32y^2

Step-by-step explanation:

Hello!

We can use the special binomial product formulas:

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

<h3>Simplify</h3>
  • (3x - 4y)^2 - (3x - 4y)(3x + 4y)
  • (9x^2-24xy+16y^2) - (9x^2 - 16y^2)
  • 9x^2 - 9x^2 - 24xy + 16y^2 + 16y^2
  • -24xy + 32y^2

The simplified form is -24xy + 32y^2

6 0
1 year ago
Evaluate f(-3) for f(x) = 2^x<br> a. 1/8<br> b. -8<br> c. 8<br> d. -6
pickupchik [31]

Answer:

A

Step-by-step explanation:

f(-3) = 2^-3

to get rid of a negative in an exponent, move the whole thing to the denominator.

1/(2^3)

2^3 = 2×2×2

1/(2×2×2)

1/8

6 0
2 years ago
Pls need help immediately, nd can can u explain it too
tigry1 [53]
The answer is 18...
(3 / 8 ) * 48 = 18
3 0
3 years ago
Read 2 more answers
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