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2 years ago

8

GELPNFNDNDSNSNSNS PLS FOR BRAINLEST

2 answers:

JulijaS [17]2 years ago

7 0

Answer:

I can't see it the picture is not clean or close enough but it's in the bottom left

saw5 [17]2 years ago

5 0

K?? i have no clueeeee
i can barely see the graph sorry :(

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Which ordered pair could you remove from the relation {(–2, –1), (–1, 1), (–1, 0), (0, 1), (1, 0)} so that it becomes a function

trapecia [35]

A polynomial expression can only be categorized into a function if and only if a single input can only have one and only output. This means that there should be no more than one dissimilar values of y for the same value of x.

Evaluating the givens above, it can be observed that there are two -1's as an x-coordinate and it has two outputs, 0 and 1. Thus, we can remove either (-1,0) or (-1,1) for the relationship to become a function.

4 0

2 years ago

In an office building, an elevator has a maximum carrying capacity of 2,700 pounds. Based on the average weight (180 pounds male

Yakvenalex [24]

Answer:

see the explanation

Step-by-step explanation:

Let

x ----> the number of males on the elevator

y ----> the number of females on the elevator

we know that

The inequality that represent this situation is

$180x+150y\leq 2,700$

The solution of the inequality is the shaded area below the solid line $180x+150y=2,700$

The slope of the solid line is negative

The y-intercept of the solid line is (0,18)

The x-intercept of the solid line is (15,0)

see the attached figure

The solution is the triangular shaded area

The maximum number of females is 18 (when the number of males is zero)

The maximum number of males is 15 (when the number of females is zero)

4 0

2 years ago

Solve the equation : <br><img src="https://tex.z-dn.net/?f=%20%5Ccos%28x%29%20-%20%20%5Csin%28x%29%20%20%3D%20%20%5Csqrt%7B2%20%

Debora [2.8K]

Answer:

General solution is

$x = n \pi + \frac{\pi }{8}$

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given cos x - sin x = √2 cos (3 x)

Dividing '√2' on both sides , we get

$\frac{1}{\sqrt{2} } cos (x) - \frac{1}{\sqrt{2} } sin (x) = \frac{\sqrt{2} cos (3 x)}{\sqrt{2} }$

we will use trigonometry formulas

a) Cos ( A + B) = Cos A Cos B - sin A sin B

b) $cos \frac{\pi }{4} = \frac{1}{\sqrt{2} }$

<u><em>Step(ii):-</em></u>

<u><em></em></u> $\frac{1}{\sqrt{2} } cos (x) - \frac{1}{\sqrt{2} } sin (x) = \frac{\sqrt{2} cos (3 x)}{\sqrt{2} }$ <u><em></em></u>

$cos (\frac{\pi }{4} ) cos x - sin(\frac{\pi }{4} ) sin x = cos 3x$

$cos (\frac{\pi }{4}+x ) = cos 3 x$

<u><em>Step(iii):-</em></u>

<u><em>General solution of cos x = cos ∝ is x = 2 nπ+∝</em></u>

<u><em>we have </em></u> $cos (\frac{\pi }{4}+x ) = cos 3 x$

The general solution of $cos (\frac{\pi }{4}+x ) = cos 3 x$ is

⇒ $3 x = 2 n \pi + (\frac{\pi }{4}+x )$

⇒ $3 x- x = 2 n \pi + \frac{\pi }{4}$

$2x = 2 n \pi + \frac{\pi }{4}$

<em><u>final answer</u></em>:-

General solution is

$x = n \pi + \frac{\pi }{8}$

8 0

2 years ago

Anyone willing to help me?

Blizzard [7]

Answer:

I think it's the last one, BD/AE

Step-by-step explanation:

6 0

2 years ago

There were 45 runners to start a race. In the first half of the race, 2/3

Vitek1552 [10]

Answer:43 8/15

Step-by-step explanation:45-2/3 is 44 1/5 then subtract 44 8/15 by 4/5 and you get 43 8/15

5 0

2 years ago