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o-na [289]
2 years ago
12

MAX POINTS PLEASE HELP Will make Brainliest

Mathematics
1 answer:
kotegsom [21]2 years ago
3 0

\qquad\qquad\huge\underline{{\sf Answer}}♨

The required equation is :

\qquad \sf  \dashrightarrow \:a \cos(bx)  + k

Now, let's find the required values :

period (p) = 6

[distance between any successive Crest or trough]

a = - 4 (flipped)

b = 2π/p = 2π/6 = π/3

k = -2

Distance of starting position from origin = k

Now, plug in the values ~

\qquad \sf  \dashrightarrow \: - 4 \cos( \frac{\pi}{3} x)  - 2

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Please help ASAP ASAP ASAP
scZoUnD [109]
About 2.86 inches

Step by step explanation-

The formula for the volume of a cone is pi2 h/3 plugging the known numbers into formula you get
75=pi 5^2 h/2
H/3=0.955
H=2.86 inches
6 0
3 years ago
TRIANGLE ABC IS DILATED BY A SCALE FACTOR OF 0.5 WITH THE ORIGIN AS THE CENTER OF DILATION, RESULTING IN THE IMAGE TRIANGLE A'B'
const2013 [10]

Answer: The length of the line B'C" is 1 unit.

Step-by-step explanation:

Given: Triangle ABC is dilated by a scale factor of 0.5 with the origin as the center of dilation , resulting in the image Triangle A'B'C'.

If A (2,2), B= (4,3) and C=(6,3).

Distance between (a,b) and (c,d): D=\sqrt{(d-b)^2+(c-b)^2}

Then, BC =\sqrt{(3-3)^2+(6-4)^2}

\\\\=\sqrt{0+2^2}\\\\=\sqrt{4}\\\\=2\text{ units}

Length of image = scale factor x length in original figure

B'C' = 0.5 × BC

= 0.5 × 2

= 1 unit

Hence, the length of the line B'C" is 1 unit.

5 0
3 years ago
A manager of a grocery store wants to determine if consumers are spending more than the national average of $150 with a standard
Semmy [17]

Answer:

A.) The manager calculated mean and not standard deviation

B.) Standard deviation should be calculated with the use of formula.

Step-by-step explanation:

A.) The assumption that his customers do spend more than the national average is wrong because the standard deviation is not calculated and mean cannot be used as a substitute for standard deviation.

B.) Standard deviation tells us how value obtain from group measurement deviates from the average value or expected value of each item of observations.

When standard deviation is low, this show that the value is very close to the expected value or the average value.

If the national average value = $150 and average customer spends $160. 

Deviation = 160 - 150 = 10

This is lower than $30

Or better still, the manager should make use of standard deviation formula. Which is the square root of variance.

8 0
3 years ago
Please help easy points
blagie [28]

Answer: 2/6

Hope this helps

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Express the ratio as a fraction in simplest form. 18 : 12
Mashutka [201]
The answer is 9:1. All you have to do is simplify it
7 0
3 years ago
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