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makvit [3.9K]
3 years ago
12

Will give Brainliest!

Mathematics
1 answer:
Oduvanchick [21]3 years ago
8 0

Answer:

<em><u>y = d + a · cos(bx - c) ⇒ y = -4cos(4/3x)</u></em>

  • a = -4
  • b = 4/3
  • c = 0
  • d = 0

Amplitude = |a| = |-4| = 4

Period = \frac{2\pi }{b} =\frac{2\pi }{\frac{4}{3} } =2\pi *\frac{3}{4} =\frac{3}{2} \pi

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A rectangle is measured 6.5 cm by 7.8 cm .
mote1985 [20]

Answer:

3.24%

Step-by-step explanation:

Percentage error =[ (|calculated value  - actual value) / actual value] x 100

calculated area = length x width

6.5 x 7.8 = 50.7

[(|50.7 - 52.4|] / 52.4] x 100 = 3,24

7 0
3 years ago
Equation of a line of best fit for the scatterplot is Y = 7X -9 what is the slope of the equation
d1i1m1o1n [39]

Answer:

7

Step-by-step explanation:

Or 7/1. the equation is y = mx + b. m is the slope. b is the y intercept. so m (the slope) would be 7. And b (the y intercept) would be -9.

3 0
3 years ago
How much work is done by a cane that lowers 1,000 Newton’s of material a distance of 150 meters
NARA [144]

Answer:

Step-by-step explanation:

yungeen

7 0
4 years ago
HELP ASAP!!!!!!!!!!!!!!!!
Contact [7]
<span>The correct answer is: Option (A) </span>\frac{v-z}{w-x}<span>
 
Explanation:
If both lines are parallel, then their slopes must be equal.
 
For the line PQ, the slope is:
Slope of PQ = </span>\frac{v-z}{w-x} --- (1)
 
For the line P'Q', the slope is:
Slope of P'Q' = \frac{v+b-z-b}{w+a-x-a} 
Slope of P'Q' = \frac{v-z}{w-x} --- (2)
 
As (1) = (2), hence the lines are parallel and their slope is \frac{v-z}{w-x} (Option A).
4 0
4 years ago
Read 2 more answers
Help asap this i cant figure out
Vlad1618 [11]

Answer:

a = 60

2a = 120

Step-by-step explanation:

<u>360 = 2a + 2a + a + a </u>

360 = 6a

a = 360 / 6

a = 60

2a = 2(60)

2a = 120

6 0
3 years ago
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