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snow_lady [41]
3 years ago
9

Please help me!! Please!!

Mathematics
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

2

Step-by-step explanation:

it makes more sense and what was the last answer?

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Write the equation of the graph
olchik [2.2K]

Answer:

y = 2.cos(x) - 2

Step-by-step explanation:

1. Shifting cos(x) right or left, top or down, as the graph in the question has the same illustration of  cos(x). Consider

y = a.cos(x) + b

2. find a and b by using two sample points from the graph: (0, 0) and (\pi, -4)

0 = a.cos(0) + b  => a + b = 0\\ -4 = a.cos(\pi) + b => b-a=-4\\\left \{ {{2b=-4} \atop {2a=4}} \right.\\a = 2, b=-2\\

5 0
3 years ago
I need answers please just a few is fine
alina1380 [7]
The second one is correct so its 2
4 0
4 years ago
Can someone help me? It's urgent and thank you!
taurus [48]

Answer:

c=10mm

Step-by-step explanation:

Using pythagoras theorem,

hypotenuse²=base²+altitude²

=√19²+9²

=19+81

=100

Hypotenuse²=100

Hypotenuse=√100

=10

3 0
3 years ago
The bearing of point B from point A is 064°.<br> Find the bearing of point A from point B.
Alex777 [14]

Answer:

The bearing of A from B is 296 degrees

Step-by-step explanation:

Here, we want to find the bearing of point A from point B

To find the bearing of point A from B, we simply subtract the bearing of B from A from 360

Mathematically, that will be;

360 - 64 = 296 degrees

7 0
3 years ago
A washer and a dryer cost $790 combined. The washer costs $40 more than the dryer. What is the cost of the dryer?
Pepsi [2]

if the washer and dryer cost $790 then you would divide 790 by 2.

then you will get $395

then you add 40 to $395 and will get $435

so the answer is $435

7 0
3 years ago
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