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2 years ago

PLEASE GIVE ANSWERS I WILL GET IN SO MUCH TROUBLE IF I GET THIS WRONG PLZ PLZ IM SO SCAREDS

Mathematics

2 answers:

Elena-2011 [213]2 years ago

4 0

Answer:

1st one: 5 2nd one: 30 3rd one: 15

statuscvo [17]2 years ago

3 0

Answer:

The first blank is 5

The blank below 15 is 30

The last blank is 15

Step-by-step explanation:

So, the equation is y = 3x

So the first one would be 5 because 5(3) = 15

The second one would be 30 because 10(3) = 30

And the last one would be 15 because 15(3) = 45

Hope this helped!

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A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. Three h

neonofarm [45]

Answer:

50 ft by 75 ft
3750 square feet

Step-by-step explanation:

Let x represent the length of the side not parallel to the partition. Then the length of the side parallel to the partition is ...

y = (300 -2x)/3

And the enclosed area is ...

A = xy = x(300 -2x)/3 = (2/3)(x)(150 -x)

This is the equation of a parabola with x-intercepts at x=0 and x=150. The line of symmetry, hence the vertex, is located halfway between these values, at x=75.

The maximum area is enclosed when the dimensions are ...

50 ft by 75 ft

That maximum area is 3750 square feet.

_____

Comment on the solution

The generic solution to problems of this sort is that half the fence (cost) is used in each of the orthogonal directions. Here, half the fence is 150 ft, so the long side measures 150'/2 = 75', and the short side measures 150'/3 = 50'. This remains true regardless of the number of partitions, and regardless if part or all of one side is missing (e.g. bounded by a barn or river).

6 0

2 years ago

Five distinct numbers are randomly distributed to players numbers 1 through 5. Whenever two playerscompare their numbers, the on

ad-work [718]

Answer:

Observe that the first and the second player have equal probability to get any of number. Using the principle of that symmetry, we have that

$P(X=0)=\frac{1}{2}$

Event X = 1 means that the first player has got greater number than the second player, but not than the third player. So, choose any three numbers out of five of them and say that the minimal number out of these three goes to the second player, mean number to the first one and the largest to the third one. Permute remaining two numbers on remaining two people. Hence

$P(X=1)=\frac{1}{6}$

Event X = 2 means that the first player has got greater number than the second and the third player, but not than the fourth player. So, choose any four numbers out of five of them and say that the minimal number and the next minimal out of these four go to the second and the third player (and permute them), third number to the first one and the largest to the fourth player. Give remaining number to the last person. Hence

$P(X=2)=\frac{1}{12}$

Event X = 3 means that the first player has got greater number than the second, the third, and the forth player, but not than the fifth player. So, permute these five numbers as follows: give the highest to the last person, the second highest to the first, and permute remaining numbers on the remaining people. Hence

$P(X=3)=\frac{1}{20}$

Event X = 4 means basically the first player has won all the battles i.e, he has got the greatest number. Hence

$P(X=4)=\frac{1}{5}$

7 0

2 years ago

HELP NEEDED ASAP WILL GIVE 5 STAR RATING AND BRAINLIEST!

stealth61 [152]

Answer:

The answer to your question is: ∠K = 138°

Step-by-step explanation:

m∠N = 42°

m∠K = ?

The sum of all the internal angles in a quadrangle equals 360°

then

∠N + ∠L + ∠M + ∠K = 360°

∠N = ∠ L and ∠M = ∠K

So, 2 ∠N + 2 ∠K = 360

Substitution

2 (42) + 2 ∠K = 360

84 + 2 ∠K = 360

2 ∠K = 360 - 84

2 ∠K = 276

∠K = 276 / 2

∠K = 138°

8 0

2 years ago

Please awnser in link below

xenn [34]

Answer:

You will get 13 groups.

Step-by-step explanation:

324 / 24 = 13.5 So there are 13 groups with 5 left over. Hope this helps.

8 0

2 years ago

Read 2 more answers

#banLoveYourselfFirst2020onbrainly

andriy [413]

Answer:

Awww love you man!

(And me lol)

Step-by-step explanation:

5 0

2 years ago