Which one is greater 2.857 or 2.87

Answers

Answer 1

Answer:

Answer:

2.87

Step-by-step explanation:

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Estimate the sum or difference?
6/10 + 7/12
Not sure how to do?

Answers

is it a mixed number or a improper fraction?

(6z 2 - 4z + 1)(8 - 3z).

Answers

distributive property
a(b+c)+ab+ac
a(b-c)=ab-ac

(6z^2-4z+1)(8-3z)
move for nicety
(8-3z)(6z^2-4z+1)
distribute
8(6z^2-4z+1)-3z(6z^2-4z+1)=
48z^2-32z+8-18z^3+12z^2-3z=
-18z^3+48z^2+12z^2-32z-3z+8=
-18z^3+60z-35z+8

Find the length of the third side. If necessary, write in simplest radical form.
√51
10

Answers

Answer:

Step-by-step explanation:

10² - root 51² = a²

100 - 51 = a²

49 = a²

a = 7

Please help me thank u

Answers

simplify inside the ( )'s first, reducing the 6 with the 3 leaving a 2 in the numerator, and reducing the x³ with the x^4, leaving an x in the denominator:
(2/x)²

square both numerator an denominator:

4/x² check this one not sure just what I know though...tell me if it helps

How are the two functions f(x) = 0.7(6)^x and g(x) = 0.7^-x related to each other?

Answers

to find the relationship between them, lets do some algebra:

f(x) = (7/10)^x

g(x) = (7/10)^-x

if we do:

f(x) * g(x) = 1

due to exponents multiplying addition law, therefore, the relationship, gives:

f(x) = 1 / g(x)

Answer:

We will see that g(x) is a reflection over the y-axis of f(x).

How does a reflection work?

For a given function f(x), we can define:

A reflection over the x-axis as: g(x) = -f(x)

A reflection over the y-axis as: g(x) = f(-x).

In this case we have:

f(x) = 0.7*(6)^x

g(x) = 0.7*(6)^-x = f(-x)

So is ratter easy to notice that g(x) is a reflection over the y-axis of f(x), so the correct option is:

"g(x) is the reflection of f(x) over the y-axis."

If you want to learn more about reflections, you can read:

brainly.com/question/4289712

Find the value of c that makes each trinomial a perfect square.

Answers

Answer:

The answer to your question is the letter a.

Step-by-step explanation:

Data

x² + 12x + c

If this trinomial is a perfect square trinomial, the third term must be half the second term divided by the square root of the first term, and to the second power.

-Get half the second term

12x/2 = 6x

-Divide by the square root of the first term

6x/x = 6

-Express the result to the second power

6² = 36

-Write the perfect square trinomial

(x² + 12x + 36) = (x + 6)²

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