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3 years ago

Which of the following best shows the associative property of addition?

Mathematics

1 answer:

Mamont248 [21]3 years ago

7 0

Answer:

hhiiih

Step-by-step explanation:

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Detective pi is having a birthday party for the first baby rhino. the cake serves 50 people and cost $120. how much does the cak

Yuki888 [10]

See my answer to the other posting of the same question.

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3 years ago

A hunter is at a point on a riverbank. He wants to get to his cabin located 2 Miles North and 8 Miles West. He can travel 5 Mph

miskamm [114]

Answer:

Option A

Step-by-step explanation:

A hunter travels to his cabinet located at 2 Miles North and 8 Miles West.

Let "d" be the distance traveled before reaching the rocky ground at point say "P". Let the cabin be at "C"

The distance between C and P is given by

$\sqrt{(2^2+(8-d)^2}\\$

Let "t" be the time taken to travel distance CP.

$T = \frac{d}{5} + \frac{\sqrt{2^2+(8-d)^2} }{3}$

Minimum time will be when "t" is equal to zero

Differentiating the above equation wrt "d", we get -

$= \frac{1}{5} + \frac{1}{3} (\frac{-2(8-d)}{2\sqrt{2^2+(8-d)^2} } )= 0\\\frac{1}{5} = \frac{1}{3} \frac{(8-d)}{\sqrt{4+(8-d)^2} } \\3\sqrt{4+64+d^2-16d} = 40-5d\\$

On squaring both the sides , we get -

$3\sqrt{4+64+d^2-16d} = 40-5d\\9(68+d^2-16d)= 1600+25d^2 -400d\\612+9d^2-144d=1600+25d^2 -400d\\16d^2-256d+988=0\\d_1 = 9.5\\d_2 = 6.5$

"d" cannot be greater than 8 miles.

Hence, the value of "d" is equal to $6.5$

Option A

8 0

3 years ago

(4a)^2 without the exponents

Shalnov [3]

Answer:

16 a*a

Step-by-step explanation:

(4a)^2

(4a) (4a)

16 a*a

5 0

3 years ago

Read 2 more answers

A. The number of favorable outcome plus the total number of outcomes

ExtremeBDS [4]

5/10 of the possible outcomes will be odd, this means that the other 5/10 of the outcomes will not be odd. The denominator is 10 which is the total number of possible outcomes.

The answer is D because the denominator is the total number of outcomes.

8 0

3 years ago

Help plz:))) I’ll mark u brainliest <br> ASAP!!!

ss7ja [257]

Answer:

x=10

Step-by-step explanation:

3x-20=10

add 20 to both sides

3x=30

divide 3 both sides

end with x=10

7 0

3 years ago

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