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liq [111]
3 years ago
15

You might need: What is the next term of the geometric sequence? -1/7, 4/7, -16/7​

Mathematics
2 answers:
Kryger [21]3 years ago
5 0
A4= 64/7 a5=-256/7 a6=1024/7
andrey2020 [161]3 years ago
3 0

Answer:

64/7

Step-by-step explanation:

Hope this helps!

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An equation of the line tangent to y=sin x + 2cosx at (pi/2, 1) is?
Lina20 [59]

Answer:

B.   2x + y = pi + 1.

Step-by-step explanation:

y = sin x + 2 cos x

The slope of a line tangent is the derivative, so:

y' =  cos x - 2 sin x

At  (pi/2, 1) , substituting for x:-

cos pi/2 - 2 sin pi/2

= 0 - 2 * 1 = -2.

So the slope is - 2 and an equation  can be found by using the point-slope formula:

y - y1 = m(x - x1) so:

y - 1 = -2(x - pi/2)

y = -2x + pi + 1  

2x + y = pi + 1.

6 0
3 years ago
I need help on number 2 quickkkkk!!!
Svetlanka [38]

Answer:

80

Procedure in attached file

Hope it helps

7 0
3 years ago
What is the probability of rolling a 2 or 6 on a six-sided number cube?
REY [17]

Answer:

likely .

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
PLEASE HELP! GIVING BRAINLIEST! DUE SOON PLEASE HELP!
Mrrafil [7]

Answer:

4-9 = 4+(-9)

-6-7 = -6+(-7)

-4-(-9) = -4 + 9

6-(-7) = 6+7

Step-by-step explanation:

Double negatives means a positive and one positive and one negative is a negative.

Please give brainliest. I am working hard to get it.

7 0
2 years ago
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3. Antony and Cleopatra are 100 miles apart . To meet at a planned location , Antony travels at 12 mph and Cleopatra travels at
Vlad1618 [11]

Answer:

60 miles

Step-by-step explanation:

Distance apart = 100

Rate of travel. :

Anthony = 12 mph

Cleopafda = 8 mph

Using the relation :

Speed = distance / time

Distance = speed * time

If they leave at the same time, travel time Can be represented as x

Anthony's distance + Cleopafda distance = total distance

12x +. 8x = 100

20x = 100

x = 5

Hence, they both traveled for 5 hours before meeting.

Distance covered by Anthony :

Speed * time

12 mph * 5h = 60 miles

Anthony must travel. For 60 miles.

5 0
3 years ago
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