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Sati [7]
3 years ago
9

If f(x)=cosx, then f(x+ pi/2) is equal to

Mathematics
1 answer:
weqwewe [10]3 years ago
8 0
The answer must be - cospi/2 which is not available in the option
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8 mi. 133 yd. 2 ft. + 5 mi 107 yd. 2 ft.
lys-0071 [83]

Answer:

13.1371212 miles

Step-by-step explanation:


8 0
3 years ago
1. Put 9y=-3x-39 into standard form
Kruka [31]
1. 9y = -3x - 39....add 3x to both sides
    3x + 9y = -39 <== standard form

2. -2x + 2y = -2. ..multiply by -1
     2x - 2y = 2 <== standard form

3. -2x = 20
     x = -20/2
     x = -10....now sub this back into the second equation

     3x - 4y = -2
    3(-10) - 4y = -2
    -30 - 4y = -2
     -4y = -2 + 30
     -4y = 28
      y = -28/4
      y = -7

solution is (-10,-7) <== solution
5 0
3 years ago
Read 2 more answers
The figure below is reflected over the x-axis. What are the coordinates of the image of point A after this transformation?​
Alekssandra [29.7K]

Answer: (2,8)

Step-by-step explanation:

Count the number of boxes down from the x axis and then count the same number up to get the position of A

7 0
2 years ago
Whitney rented an apartment for $11,600 for the first year she lived in the apartment. Each year after that the price for the ap
jarptica [38.1K]

Answer:

its B i think i hope it helps  good luck

Step-by-step explanation:

4 0
3 years ago
Simplify the expression to a polynomial in standard form: (4x-3)(-2x^2-7x-5)
Brums [2.3K]

How to solve your problem

(4−3)(−22−7−5)

(4x−3)(−2x2−7x−5)(4x-3)(-2x^{2}-7x-5)(4x−3)(−2x2−7x−5)

Simplify

1

Distribute

(4−3)(−22−7−5)

(4x−3)(−2x2−7x−5){\color{#c92786}{(4x-3)(-2x^{2}-7x-5)}}(4x−3)(−2x2−7x−5)

4(−22−7−5)−3(−22−7−5)

2

distribute

4(−22−7−5)−3(−22−7−5)

4x(−2x2−7x−5)−3(−2x2−7x−5){\color{#c92786}{4x(-2x^{2}-7x-5)}}-3(-2x^{2}-7x-5)4x(−2x2−7x−5)−3(−2x2−7x−5)

−83−282−20−3(−22−7−5)

3

−83−282−20−3(−22−7−5)

−8x3−28x2−20x−3(−2x2−7x−5)-8x^{3}-28x^{2}-20x{\color{#c92786}{-3(-2x^{2}-7x-5)}}−8x3−28x2−20x−3(−2x2−7x−5)

−83−282−20+62+21+15

4

Solution

−83−222++15

I know this looks like a lot but its just how you solve your problem.

therefor, your answer is

Solution

−83−222++15

<em>Hope this helps!</em>

<em>Have a great day!</em>

<em>-Hailey</em>

6 0
3 years ago
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