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umka2103 [35]
3 years ago
11

Is the answer option c?

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

f(x) = x^2 -1

Hope it helps!!

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Choose the correct formula to find the area of the oblique ABC shown below. Select all that apply.
Dafna11 [192]

There's no dividing the angle in half in the trig triangle area formula.

Area = (1/2) ab sin C = (1/2) ac sin B = (1/2) bc sin A

Answer: check second and third choices

5 0
3 years ago
Selena there math quiz this week it took her 1/3 hour 1/4 hour and 1/5 hour to complete.which list shows the length of the time
Andrej [43]

Answer:

c

Step-by-step explanation:

1/3 hours 1/5 hours 4/6 hours

4 0
3 years ago
What is the perimeter of a rectangle?
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

length = l  ;width = w

Perimeter of rectangle = sum of all sides

                                      =  l + w + l +w

                                      = 2l + 2w

                                       = 2*(l +w )

5 0
3 years ago
What is -7(1+5b)+6 .......
Licemer1 [7]
-1+5b is your answer.
5 0
3 years ago
URGENT!!! Write the product as a sum or difference.
CaHeK987 [17]

Answer:

3 sin(41t) - 3 sin(t)

Step-by-step explanation:

The general formula to convert the product of the form cos(a)sin(b) into sum is:

cos(a) sin(b) = 0.5 [ sin(a+b) - sin (a-b) ]

The given product is:

6 cos(21t) sin(20t) = 6 [ cos(21t) sin(20t) ]

Comparing the given product with general product mentioned above, we get:

a = 21t and b = 20t

Using these values in the formula we get:

6 cos(21t) sin(20t) = 6 x 0.5 [ sin(21t+20t) - sin(21t-20t)]

= 3 [sin(41t) - sin(t)]

= 3 sin(41t) - 3 sin(t)

Therefore, second option gives the correct answer

4 0
3 years ago
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