3 years ago

Is the decimal equivalent of 13/4 is a repeating decimal

Mathematics

1 answer:

attashe74 [19]3 years ago

6 0

Answer: No, it is...

0.307692

Hope I was able to help!

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Suppose you have 5 white, 5 blue and 8 black socks in a drawer. What is the probability that you randomly pick a black sock from

coldgirl [10]

Hence the probability that you randomly pick a black sock from the drawer is 8/18

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3 years ago

Damien deposited $250 in an account that earned 3.75% interest compounded annually. He did not make additional deposits or withd

Vikentia [17]

Answer:

$289.66

Step-by-step explanation:

A=P(1+r)^t

P=250

r= .0375

t= 4

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A= 289.66

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3 years ago

Sqrt7x( sqrt x - 7 sqrt 7)

Andreyy89

Answer:

$x\sqrt{7} - 49\sqrt{x}$

Step-by-step explanation:

We have to simplify the following expression: $\sqrt{7x}(\sqrt{x} - 7\sqrt{7})$

Using distributive property:

$\sqrt{7x}(\sqrt{x} - 7\sqrt{7}) = \sqrt{7x}\sqrt{x} - 7\sqrt{7}\sqrt{7x}$

⇒ $x\sqrt{7} - 49\sqrt{x}$

So the most simplified form of the expression is the following: $x\sqrt{7} - 49\sqrt{x}$

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3 years ago

Prove that 6(n+6)-(2n+3) is odd number for all n£N

Mice21 [21]

Answer:

$\begin{aligned}6(n+6)-(2n+3) & = 6n+36-2n-3\\& = 4n+33\\& = 4n + 32 + 1\\& = 2(2n+16) + 1\end{aligned}$

Any number multiplied by 2 is even, therefore 2(2n + 16) is even.

If 2(2n + 16) is even, then adding 1 to this makes it odd.

Thus proving that the given expression is an odd number for all $n \in \mathbb{N}$

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2 years ago

which of the following numbers must be added to complete the square in the equation below? x^2+6x-19=23 A. 19 B. -9 C. 3 D. 9

Jet001 [13]

Answer:

the answer is D

Step-by-step explanation:

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3 years ago