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pentagon [3]
3 years ago
7

Which of these is equivalent to 3^ -2?

Mathematics
1 answer:
neonofarm [45]3 years ago
3 0
I think the answer is c.
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Which is the value of this expression when a= -2 and b= -3?
madam [21]

Answer:

d: 729/64

Step-by-step explanation:

Plug-in the variables

5 0
2 years ago
What are the possible polynomial expression for dimensions of the cuboid whose volume is 12y2 + 8y -20
bogdanovich [222]

Answer:

The answer is below

Step-by-step explanation:

The volume of a cuboid is the product of its length, height and breadth. It is given by:

Volume = length × breadth × height

Since the volume is given by the expression 12y² + 8y - 20. That is:

Volume = 12y² + 8y - 20 = 4(3y² + 2y - 5) = 4(3y² + 5y - 3y -5) = 4[y(3y + 5) -1(3y + 5)]

Volume = 4(y-1)(3y+5)

Or

Volume = 12y² + 8y - 20 = 2(6y² +4y - 10) = 2(6y² + 10y - 6y -10) = 2[y(6y + 10) -1(6y + 10)]

Volume = 2(y-1)(6y+10)

Therefore the dimensions of the cuboid are either 4, y-1 and 3y+5 or 2, y-1 and 6y+10

3 0
3 years ago
Read 2 more answers
Help It's IXL ;--------;;;
vredina [299]

Answer:

18 months

Step-by-step explanation:

Just follow the line

6 0
3 years ago
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55 is the sum of 24 and Delia's age.<br> Use the variable d to represent Delia's age.
Bess [88]

Answer:

d + 24 = 55

Step-by-step explanation:

hope this helps have a great day

6 0
3 years ago
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Determine which function has the greatest rate of change as x approaches infinity.
Mekhanik [1.2K]

Answer: h(x) = 3*x^2 - 7*x + 8

Step-by-step explanation:

The rate of change of a function is equal to the derivate:

remember that a derivate of the form:

k(x) = a*x^n is k'(x) = n*a*x^(n-1)

Then we have:

f(x) = 2*x - 10

f'(x) = 1*2* = 2

g(x) = 16*x - 4

g'(x) = 1*16 = 16

h(x) = 3*x^2 - 7*x + 8

h'(x) = 2*3*x - 1*7 = 6*x - 7

So the only that increases as x increases is h(x), this means that the greates rate of change as x approaches inffinity is the rate of change of h(x)

3 0
3 years ago
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