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2 years ago

14

What is the median age showed in the box and whisker plot?

2 answers:

hoa [83]2 years ago

5 0

Answer:

D

Step-by-step explanation:

I'm not 100% percent sure but I believe its that one

LiRa [457]2 years ago

4 0

The answer is d I’m almost 100 percent sure

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Orthogonalizing vectors. Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, a

jeka57 [31]

Answer:

$\\ \gamma= \frac{a\cdot b}{b\cdot b}$

Step-by-step explanation:

The question to be solved is the following :

Suppose that a and b are any n-vectors. Show that we can always find a scalar γ so that (a − γb) ⊥ b, and that γ is unique if $b \neq 0$ . Recall that given two vectors a,b a⊥ b if and only if $a\cdot b =0$ where $\cdot$ is the dot product defined in $\mathbb{R}^n$ . Suposse that $b\neq 0$ . We want to find γ such that $(a-\gamma b)\cdot b=0$ . Given that the dot product can be distributed and that it is linear, the following equation is obtained

$(a-\gamma b)\cdot b = 0 = a\cdot b - (\gamma b)\cdot b= a\cdot b - \gamma b\cdot b$

Recall that $a\cdot b, b\cdot b$ are both real numbers, so by solving the value of γ, we get that

$\gamma= \frac{a\cdot b}{b\cdot b}$

By construction, this γ is unique if $b\neq 0$ , since if there was a $\gamma_2$ such that $(a-\gamma_2b)\cdot b = 0$ , then

$\gamma_2 = \frac{a\cdot b}{b\cdot b}= \gamma$

6 0

2 years ago

There was only 5/12 of a pizza left. Carl then ate 1/6 of the remaining pizza. How much of the pizza was left?

eimsori [14]

$\frac{5}{12} - \frac{1}{6} = \frac{5}{12} - \frac{2}{12} = \frac{3}{12} = \frac{1}{4}$

$\frac{1}{4}$ of the pizza was left

4 0

3 years ago

Read 2 more answers

If x2 = 30, what is the value of x?<br> +60<br> +15<br> 130<br> O: 15

Tresset [83]

Answer:

<h2>(+)(-)√30</h2><h2>#option c</h2>

Step-by-step explanation:

<u>☆</u><u> </u><u>REFER</u><u> TO</u><u> THE</u><u> </u><u>ATTACHMENT!</u>

<h3><u>♰</u><u>H</u><u>ope </u><u>it </u><u>helps</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u></h3>

7 0

2 years ago

A man earned $180 for working 14 hours. How many hours must he work to earn 300

RideAnS [48]

Answer:

it would be roughly 24 hours

Step-by-step explanation:

180÷14

12.8571428571

simplify to 12.85

12.85× X = 300

X=24

8 0

2 years ago

RideAnS [48]

Answer:

40 years old

16 years old

Step-by-step explanation:

Son = 8 years old

his father is five times as old.

Father = 5 × 8

= 40 years

How old will the father be when he will be twice as old as his son?

Father = 2 × 8

= 16 years

Father:

Five times as old as son = 40 years old

Twice as old as his son = 16 years old

5 0

2 years ago