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lozanna [386]
3 years ago
7

Please help with this question

Mathematics
2 answers:
Rama09 [41]3 years ago
8 0

Answer:

-3.662rad × 180/π = -209.8°

Step-by-step explanation:

Anna [14]3 years ago
6 0

Answer:

1 degree = .01745329 radians

1 radian = 57.2957877856 degrees

-209.8 degrees = .01745329 * -209.8 =

-3.66170024200 radians

Step-by-step explanation:

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write the slope intercept equation. the graph of f passes through (-6,4) and is perpendicular to the line that has an x-intercep
Nimfa-mama [501]

Answer:

y = -\frac{1}{3} x + 2

Step-by-step explanation:

The slope of the line that has an x intercept of (2,0) and y-intercept of (0,-6) is:

Slope(s) = Change in y ÷ change in x

s = \frac{0 - -6}{2 - 0} = 3

The slope of the perpendicular line to this line with slope of 3 has to have a slope of -1 ÷ 3 = -\frac{1}{3}

Reason: The product of slopes of lines perpendicular to each other have to be -1

So the slope of the perpendicular line that passes through (-6,4) is -\frac{1}{3}

As mentioned earlier, we derive a slope of a line by dividing the change in y by the change in x

Taking another point (x,y) on the line,

-\frac{1}{3} = \frac{y - 4}{x - -6}

-\frac{1}{3} = \frac{y - 4}{x + 6}

y - 4 = -\frac{1}{3}x - 2

y = -\frac{1}{3}x + 2

5 0
3 years ago
Factor this polynomial expression.
topjm [15]
The answer is C. I tried factoring the equation itself, and I got the correct answer but I noticed that it isn’t one of the options. Therefore, the options are partly factored but not completely. I decided to just eliminate each of the multiple choice options. I got C after expanding it. Firstly, we need to distribute the 3 to (x-2). This gives us (3x-6)(x-2). After that, we can use the FOIL method. 3x^2 - 6x -6x + 12 is the same as 3x^2 - 12x + 12.

In case you want to see the fully factored polynomial, I won’t explain the steps since you don’t need it here, but it’s 3(x-2)^2. This is equivalent to 3(x-2)(x-2). That’s the same as C.
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3 years ago
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Answer:

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Step-by-step explanation:

7 0
2 years ago
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A certain region would like to estimate the proportion of voters who intend to participate in upcoming elections. A pilot sample
sweet [91]

Answer: 183

Step-by-step explanation:

Given : A pilot sample of 50 voters found that 33 of them intended to vote in the election.

i.e. \hat{p}=\dfrac{33}{50}=0.66

and the voters sampled = 50

Significance level : \alpha=1-0.99=0.01

Critical value : z_{\alpha/2}=2.576

Margin of error:E = 0.08

The formula to find the sample size is given by :-

n=\hat{p}(1-\hat{p})(\dfrac{z_{\alpha/2}}{E})^2\\\\\Rightarrow\ n=0.66(1-0.66)(\dfrac{2.576}{0.08})^2\\\\=232.666896\approx233

Then, the additional voters need to be sample = 233-50=183

Hence, the region should sample 183 additional voters.

8 0
3 years ago
How many quarter,1/4 pound burgers can Kristina make out of 7 1/2 pounds of ground beef?
erica [24]

Answer:

30

Step-by-step explanation:

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3 years ago
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