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Vinvika [58]
3 years ago
9

Please evaluate: (−2)^3 · (−2)^4 show your work

Mathematics
2 answers:
sammy [17]3 years ago
3 0

Answer:

-128

Step-by-step explanation:

(-2)^3 \cdot (-2)^4=

(-2\cdot -2\cdot -2) \cdot (-2\cdot -2\cdot -2\cdot -2)=

-8\cdot 16=

-128

Hope this helps!

MakcuM [25]3 years ago
3 0

The answer is 128. Apps like Math papa can help with these types of problems.

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The Function approximate the velocity (in feet per second) of an object dropped from a height of x feet
grin007 [14]

Answer:

The answer to the question is

It take for the golf ball hit on Mars to reach the ground 8.284 s longer.

Step-by-step explanation:

To Solve the question, we note that the equation of motion is given to us as

h = -1.9·t² + 26·t

Therefore the height

We compare the above equation with the equation of of motion

S = ut - 0.5×g×t² where u = initial velocity = 26 m/s and  - 0.5×g = -1.9

Therefore the acceleration due to gravity om mars = -1.9/-0.5 = 3.8 m/s²

We now have the time taken to maximum height given by

v = u - g·t where v = 0 at maximum height

We therefore have u = g·t → 26 = 3.8×t or t = 26/3.8 = 6.84 seconds

The time taken for ball to hit the ground is 2 × the time to reach maximum height = 2 × 6.84 = 13.684 s

The time longer it takes for the ball on Mars to complete the path up to maximum height and down again is 13.684 s - 5.4 s = 8.284 s.

8 0
3 years ago
A factory uses 1/6 of a barrel of raisins in each batch of granola bars. Yesterday, the factory used 1/2 of a barrel of raisins.
balu736 [363]

1/6 = 1 batch, 2/6 = 2 batches and so on

if the factory used 1/2, the factory used 3/6 of a barrel, which equals to 3 batches.

<em>hope it helps :)</em>

8 0
3 years ago
Whoever helps gets brainlyess answer and it's worth 10 points :)
Anna71 [15]
Since he is using 3x more flower than the original, you would multiply the 2 tsp by 3 as well

6tsp is the answer
7 0
3 years ago
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serg [7]

Answer:

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Step-by-step explanation:

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In the figure below, \overline{AD}
Tanzania [10]

Answer:

hey46

Step-by-step explanation:

46

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3 years ago
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