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3 years ago

Please Help ASAP

Mathematics

1 answer:

I am Lyosha [343]3 years ago

3 0

A little late, but to find out the output for 24.5, you first need to find the "rule" for this table. in other words, you need to figure out what equation they're using to get these outputs

they're doing SOMETHING to the x values to get the y values. take your outputs, y, and divide them by your inputs. see if you run into a pattern.

14/4 = 3.5
17.5/5 = 3.5
21/6 = 3.5
24.5/7 = 3.5

... and you do. the equation here is probably y = 3.5x, because every x value appears to be multiplied by 3.5 to get the y value.

so, you can find the output for 24.5 by multiplying it by 3.5
24.5 * 3.5 = 85.75

for some reason, it seems like they rounded down to 84? not quite sure why. 84/24.5 is about 3.4, which isn't as precise, but it's the closest to the result. i would choose A.

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3 years ago

The line with equation −a+3b=0 coincides with the terminal side of an angle θ in standard position and sinθ<0 .

Anna11 [10]

If $a$ is the variable of the horizontal axis, then you can solve for $b$ to get the equation of the line in slope-intercept form in the $a,b$ plane:

$-a+3b=0\implies b=\dfrac a3$

i.e. a line with slope $\dfrac13$ through the origin, which means it is contained in the first and third quadrants. Since the terminal side of $\theta$ has a negative sine, the angle must lie in the third quadrant.

Because the slope of the line is $\dfrac13$ , you can choose any length along the line to make up the hypotenuse of a right triangle with reference angle $\theta$ . Any such right triangle will have $\tan\theta=\dfrac13$ , regardless of whether the angle is the first or third quadrant. But since $\theta$ is known to lie in the third quadrant, and so $\sin\theta$ and $\cos\theta$ are both negative, you have

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac13\implies \dfrac{\sin\theta}{\cos\theta}=\dfrac{-1}{-3}\implies \cos\theta=-3$

6 0

3 years ago

Read 2 more answers

Function or not?<br> I will give you brainliest<br> Pls help, Thank you

Anestetic [448]

Function:)hope this helped

3 0

2 years ago

I will give brainliest to the person who answers all questions

stellarik [79]

Answer: Hope this helps!

Left to right - Q1 - Q5

1,500, 1,250, 0.25, 105, 25%

Step-by-step explanation:

Q1 - 15,000 * 0.02 * 5 = 1,500

Q2 - 25,000 * 0.01 * 5 = 1,250

Q3 - 20 - ((6 * 1) + (3 * 0.75) + (10 * 0.35) + (4 * 2)) = 0.25, 25 cents

Q4 - 30x + 1,000 = 4,200 (X = 107) Approximately 105 jobs

Q5 - 1,584 / (32 * 66) = 0.75 (75%) 100% - 75% = 25%

4 0

2 years ago

Read 2 more answers

Which function is nonlinear?

lutik1710 [3]

Answer:

(-1,5), (0,4) ,(1,3) ,(3,1) is linear so dont pick it

(-4,-7), (-2,-6), (2,-4), (4,-3) is linear

you know what I'll just say it wait a minute is there like a other option

Step-by-step explanation:

U can tell by graphing them out yourself and if u see a straight line then it linear, and if you see a curved loop then it's non- linear. but I'll do it :)

4 0

2 years ago