3 years ago

Which point is located at (5,-2)?

Mathematics

2 answers:

Snowcat [4.5K]3 years ago

8 0

D

post the pic next time
someone answered this tho

Licemer1 [7]3 years ago

3 0

The answer is D. I’ve done this before, but post a picture next time

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Which of the following must describe an irrational number

zubka84 [21]

Answer:

An Irrational number is a number that cannot be expressed as the ratio of two integers.

Example: $\pi$

its numbers are infinite

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3 years ago

for v= 4i - 5j, find unit vector u in the direction of v, and write your answer as a linear combination of the standard unit vec

umka21 [38]

Answer:

a. $u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}$

Step-by-step explanation:

The given vector is v= 4i - 5j

The magnitude of this vector is;

$|v|=\sqrt{(-4)^2+(-5)^2}$

$|v|=\sqrt{16+25}$

$|v|=\sqrt{41}$

The unit vector u in the direction of v is;

$u=\frac{v}{|v|}$

$u=\frac{4i - 5j}{\sqrt{41}}$

$u=\frac{4i }{\sqrt{41}}-\frac{5j}{\sqrt{41}}$

We rationalize to get

$u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}$

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3 years ago

Read 2 more answers

If you start with a number, add 5 , then multiply by 7, the result is133. what was the original number?

Natalija [7]

(x+5)*7=133
7x+35=133
7x=98
x=98/7
x=14

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3 years ago

Where does this real # belong?

Eddi Din [679]

It is irrational because it is a decimal that doesn't terminate or repeat! :)

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3 years ago

The next number in the pattern 1 5 25 125 625

chubhunter [2.5K]

5⁰ = 1
5¹ = 5
5² = 25
5³ = 125
5⁴ = 625
5⁵ = 3125

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4 years ago