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erik [133]
3 years ago
11

I need help on this question plz

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0

hi :)

ok so line graphs and scattered plots are to complicated for something like a survey so i would say a circle graph would be fast and easy and will show the percentage without having to label line after line and marking dots

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Write the equation of a line that is parallel to x=8 and that passes through the point (-3,-2)
vfiekz [6]
A line parallel to x = 8 will be of the form:

x= k

where k is a constant.

It passes through (-3,-2)

Thus,

x = k \\ \\ \Rightarrow -3= k

\textbf{The equation is \: \: x = -3}
7 0
3 years ago
WILL MARK BRAINLIEST
avanturin [10]

Answer:

36

Step-by-step explanation:

6^2 = 6 × 6

----------------

6×6 = 36

3 0
3 years ago
Read 2 more answers
The number of daily sales of a product was found to be given by S = 600xe−x2 + 600 x days after the start of an advertising camp
Elena-2011 [213]

Answer:

a. 20520

b. 12600

Step-by-step explanation:

Given the function S = 600xe^-x² + 600.

a. To find the average, we have to find the definite integral of the function because average, as it is known, is the sum of data points divided by the size of its dataset, this can be used for discrete data. Integral formula is just the continuous form of average, so we are using integral because we were given an interval of x= 0 to X = 30.

Let's integrate 100xe^x² first. Let –x² = u, this means –2xdx = du and we have dx = –du/2x. Also, when x = 0, u = –(0)² = –0 and when x = 30, u = –(30)² = –900. When we make our substitutions we have:

–600(xe^udu)/2x = –600(e^udu)/2 upon integrating that we have –600(e^u)/2. Applying our interval we have

–600[(e^900)/2 – (e^0)/2] ≈ – [– 3.7 – (1/2)] = –600 (–4.2) = 600 x 4.2 = 2520

Now let's integrate 600, with the interval x = 0 to x = 30 (we are using this interval here because the substitution we made didn't affect this).

We have, upon integrating:

600x.

Substituting our intervals we have:

600(30 – 0) = 600 x 30 = 18000.

Adding that up we have: 2520 + 18000 = 20520.

b. The same method is needed, just difference of interval.

Therefore, after integrating the first component with intervals u = 900 to u = 2500 (from x² = u) we have:

–600[(e^2500)/2 – (e^900)/2] ≈ –600[2.7 – 3.7] = –600(–1) = 600.

Then for the second component:

600x using x = 30 to x = 50

600(50 – 30) = 600 x 20 = 12000.

Adding that up we have:

12000 + 600 = 12600.

4 0
3 years ago
Which number completes the Pythagorean Triple of 9, 12, x?
Pavlova-9 [17]
The Pythagorean theorem is A^2 + B^2 = C^2. So you will do 9^2 + 12^2 = 225. The square root of 225 is 15, and so is the answer d. hope this helps

3 0
3 years ago
Calculate the slope of the line that contains the points (-2, -4) and (2, 4).
liubo4ka [24]

Answer:

Slope is 2

Step-by-step explanation:

(-2, -4) and (2, 4)

Slope:

m=(y2-y1)/(x2-x1)

m=(4+4)/(2+2)

m=8/4

m = 2

6 0
3 years ago
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