2 years ago

What is the gum of 70 and 50

1 answer:

6 0

Answer:

120 ? what this supposed to be about ? is it to estimate or subtract? does this have mutiple choices? and what gum are their referring too ? the gum you chew or in your teeth?

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A woman walks due west on the deck of a ship at 3 mi/h. The ship is moving north at a speed of 22 mi/h. Find the speed and direc

Minchanka [31]

Answer: The speed is 22.2 mi/hr and woman is 8° north relative to the surface of the water.

Step-by-step explanation:

Since we have given that

Speed at which woman walks due west = 3 mi/hr

Speed at which ship moving due north = 22 mi/hr

Now it forms "Pythagorus theorem":

So, it becomes,

$H^2=B^2+P^2\\\\H^2=3^2+22^2\\\\H^2=9+484\\\\H^2=493\\\\H=\sqrt{493}\\H=22.20\ mi/hr$

And the direction of the woman relative to the surface of the water is given by

$\theta=\sin^{-1}x(\dfrac{3}{22.2})=7.76\approx 8^\circ$

Hence, the speed is 22.2 mi/hr and woman is 8° north relative to the surface of the water.

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3 years ago

Find the distance between the following points: (0,0,0) and (-2,6,3)

marusya05 [52]

9514 1404 393

Answer:

3. 7

Step-by-step explanation:

The distance formula applies in 3 dimensions as well as 2.

d = √((x2 -x1)² +(y2 -y1)² +(z2 -z1)²)

d = √((-2)² +6² +3²) = √(4 +36 +9) = √49

d = 7

The distance between the two points is 7 units.

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2 years ago

Classify the model as exponential growth or exponential decay. Identify the growth or decay factor AND the percent of increase o

sweet-ann [11.9K]

See also brainly.com/question/8975313

The growth factor is 2.

The increase is (2 -1)*100% = 100% per period.

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2 years ago

Please solve fast, easy question

DochEvi [55]

Answer:

I think its C

Step-by-step explanation:

Hope this Helps :)

Plz mark Brainliest If Correct!!

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2 years ago

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It says If 496 people voted in the election, how many were over 65 years old . I have a graph that say Over 65 is 25%

Dennis_Churaev [7]

Answer:

124

Step-by-step explanation:

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3 years ago