2 years ago

(brainliest) please help! :D

Mathematics

1 answer:

tekilochka [14]2 years ago

3 0

Answer:

Answer is Number 2

You might be interested in

14. Let R^2 have inner product defined by ((x1,x2), (y,, y2)) 4x1y1 +9x2y2 A. Determine the norm of (-1,2) in this space B. Dete

Vitek1552 [10]

The norm of a vector $\vec x$ is equal to the square root of the inner product of $\vec x$ with itself.

a. $\|(-1,2)\|=\sqrt{\langle(-1,2),(-1,2)\rangle}=\sqrt{4(-1)^2+9(2)^2}=\sqrt{40}=2\sqrt{10}$

b. $\|(3,2)\|=\sqrt{\langle(3,2),(3,2)\rangle}=\sqrt{4(3)^2+9(2)^2}=\sqrt{72}=6\sqrt2$

7 0

3 years ago

10k+7k2+4k2–6k simplify the expression

GaryK [48]

$10k + 7k2 + 4k2 - 6k \\ 10k + 14 + 4k \\ = 14k + 14$

your welcome and give me brainlest

7 0

2 years ago

The age of 10 factory workers is shown in the table. If a 58 year-old worker is added, by how much will this increase the median

irga5000 [103]

Answer: 3 years

Step-by-step explanation:

usa test prep

4 0

2 years ago

Variable x is 7 more than variable y. Variable x is also 1 less than y. Which of the following pairs of equations best models th

Pepsi [2]

We know that
1) Variable x is 7 more than variable y
so
x=y+7

2) Variable x is also 1 less than y.
x=y-1

therefore

the answer is
the option
x = y + 7
x = y – 1

4 0

2 years ago

What is the point of haveing math these days can you tell me why we need the math

mezya [45]

It is simply because school hates kids my guy.

6 0

2 years ago

Read 2 more answers