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4 years ago

What is the geometric of 2 and 18

Mathematics

1 answer:

Ugo [173]4 years ago

3 0

= sqrt (2*18) = sqrt 36 = 6

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Which expression is equivalent to square root 55x^7y6/11x^11y^8

Novay_Z [31]

Answer:

$\large\boxed{\sqrt{\dfrac{55x^7y^6}{11x^{11}y^8}}=\dfrac{\sqrt5}{x^2y}}$

Step-by-step explanation:

$\sqrt{\dfrac{55x^7y^6}{11x^{11}y^8}}=\sqrt{\dfrac{55}{11}\cdot\dfrac{x^7}{x^{11}}\cdot\dfrac{y^6}{y^8}}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=\sqrt{5x^{7-11}y^{6-8}}=\sqrt{5x^{-4}y^{-2}}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt5\cdot\sqrt{x^{-4}}\cdot\sqrt{y^{-2}}=\sqrt5\cdot\sqrt{x^{(-2)(2)}}\cdot\sqrt{y^{(-1)(2)}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt5\cdot\sqrt{(x^{-2})^2}\cdot\sqrt{(y^{-1})^2}\qquad\text{use}\ \sqrt{a^2}=a$

$=\sqrt5\cdot x^{-2}\cdot y^{-1}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\to a^{-1}=\dfrac{1}{a}\\\\=\sqrt5\cdot\dfrac{1}{x^2}\cdot\dfrac{1}{y}=\dfrac{\sqrt5}{x^2y}$

6 0

3 years ago

Jordan flipped a coin 492 times. Which of the following would be a good estimate of the number of times the coin landed on heads

Irina-Kira [14]

I'd say B. but that's only because I divided the number of times he flipped the coin by the number of sides it has, 2, and came up with 246. The closest number on here to that is 231 or B. I hope I helped.

6 0

3 years ago

Read 2 more answers

Which of the following correctly shows clustering for the problem 24 x 14?

lbvjy [14]

Answer:

the answer is d

Step-by-step explanation:

because Let's see if you understood the definition of an arithmetic sequence. Which of the following is *not* an arithmetic sequence?

5, 2, -1, -4, -7, -10, -13, -16, -19...

4, 4, 4, 4, 4, 4, 4, 4, 4...

2.13, 3.34, 4.55, 5.76, 6.97, 8.18, 9.39, 10.6, 11.81...

1, 1, 2, 3, 5, 8, 13, 21, 34...

8 0

3 years ago

Question 1 (1 point)

taurus [48]

Answer:

question no 1:slope=5

Step-by-step explanation:

let(x=5andy=8)(a=7andb=18)

now

slope=(b-y)/(a-x)=(18-8)/(7-5)=5

5 0

3 years ago

Read 2 more answers

6 snicker bars to 5 cookies.Write each ratio three differentways.a. Snickers to cookiesb. Cookies tosnickersc. Cookies to total

podryga [215]

Answer:

a) Ratio of snickers to cookies = 6 : 5

b) Ratio of cookies to snickers = 5 : 6

c) Ratio of cookies to total = 5 : 11

Explanations:

Number of snicker bars = 6

Number of cookies = 5

Total = 6 + 5 = 11

a) Ratio of snickers to cookies = 6 : 5

b) Ratio of cookies to snickers = 5 : 6

c) Ratio of cookies to total = 5 : 11

7 0

2 years ago