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Travka [436]
3 years ago
8

What’s the answer ??? (ONLY ANSWER IF YOU KNOW)

Mathematics
2 answers:
Len [333]3 years ago
8 0
If you look closely, you can see that there is nothing you can do to this expression so the answer is the first one. 
kirill [66]3 years ago
5 0
The terms are written in descending order of degree
Here the answer is D
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What is the factorization of 49b2 − 81?
Leto [7]
(7b-9)(7b+9)

explanation:
I learned in math last year
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2 years ago
This table shows values represented by an exponential function x= 0,1,2,3,4,5,6 y=1,3,9,27,64,125,216 what is the average rate o
juin [17]

27.5 is the answer

For this case we know that the average rate of change of a function is given by this general expression:

m = f(b) - f(a)/ b-a

For this special case from the info in the table we have:

a =2 , f(2) = 9

a =4 , f(4) = 64

And replacing the data with the average rate formula we got:

m = 64 - 9/4 - 2 = 27.5

And then the best answer for this case would be:

27.5

The exponential function is a mathematical function represented by f (x) = \ exp or e ^ {x}. Unless otherwise specified, the term generally refers to a function of a positive value of a real variable, but it can also be extended to complex numbers or generalized to other mathematical objects such as matrices and Lie algebras.

Learn more about exponential function here:brainly.com/question/2456547

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7 0
2 years ago
Jasmine spends $1,089.72 each month for rent and supplies to run her hair salon. If she charges $18 for a haircut, how many hair
k0ka [10]

Answer: 61 haircuts

Step-by-step explanation:

6 0
2 years ago
erics cell phone service costs $40.00 a month for unlimited calls. he also pays $0.02 for each text message he sends. what equat
KatRina [158]

Answer:

40.021

Step-by-step explanation:

Unlimited calls = $40

Text message = $0.021

NOTE:There is a difference between the value you gave for cost of text messages in the question and the values given in the group of answers. I will use $0.021 for cost of text messages since it is common to all answer choices.

Total cost = Cost of unlimited calls + cost of text messages

C = $40 + $0.021

= $40.021

Therefore, the equation which represent the total cost in dollars for a month is 40.021

A. 40.021

3 0
2 years ago
A cylindrical hole is drilled into a piece of wood. The radius of the hole is 8 millimeters less than the height, x, of the hole
ipn [44]

Using the solver function of the calculator, we can find the roots of the polynomial.

x1 = 9.72484

x2 = −5.36242+8.74882i

x3 = −5.36242−8.74882i

<span>   Since dimension cannot be imaginary, therefore the height of the cylindrical hole is 9.72 mm. Calculating for radius r: r = 9.72 mm – 8 mm r = 1.72 mm   The volume of cylinder is given as: V = π r^2 h V = π (1.72)^2 (9.72) <span>V = 90.34 mm^3</span></span>
7 0
3 years ago
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