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3 years ago

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A pole casts a shadow that is 21 feet long. A 3-feet-tall child standing next to the pole casts a shadow that is 9 feet long. Ho

w tall is the pole?

1 answer:

zhannawk [14.2K]3 years ago

5 0

The pole is 7 feet long

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{[20/(8+2)]^6+6}/(4^2/2)

Naddika [18.5K]

So for this problem we need to do order of operations so the very first step that we need to do here is (8+2) because that is the smallest enclosed symbols (8+2)=10 next divide by 20 because that is the next step in the equation which 20/10=2, so now we have {[2]^6+6} and due to order of operations the next step here is to take 2 to the power of 6 which is 64 so now we have {64+6} which is 70 so now we have 70/(4^2/2) and due to order of operations we do the parentheses first and that would mean that we do 4^2 because exponents come after parantheses like so,
70/(16/2) now we do 16/2 because its still inside the paranthesess so 16/2=8 so now we have 70/8 and that equals are end answer of 8.75 Enjoy!=)

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3 years ago

Read 2 more answers

True or false?<br> If 3a > 9, then a > 27

olchik [2.2K]

False because 3x27 would equal 81 a should equal less than 27

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3 years ago

A line has a slope of 2/3 and a y-intercept of −5. Which equations represent the line? Choose all answers that are correct. (MUL

marin [14]

A. -2x + 3y = -15
-2x + 2x + 3y = 2x - 15
3y = 2x - 15
3 3
y = ²/₃ - 5
A is correct.

B. y = ²/₃ - 5
B is also correct.

C. 6y = 4x - 30
6 6
y = ²/₃x - 5
C is also correct.

D. y + 3 = ²/₃(x - 3)
y + 3 = ²/₃(x) - ²/₃(3)
y + 3 = ²/₃x - 2
- 3 - 3
y = ²/₃x - 5
D is also correct.

The answer to the problem is A, B, C, and D.

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3 years ago

What is the probability of all 6's if he only rolls two dice

gulaghasi [49]

1/36 chance.... hope that helps ;)

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3 years ago

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I have to use Hamilton's method to find how many council members should represent each district. what is the standard divisor f

Dmitrij [34]

Answer:

standard divisor: 525.00

Step-by-step explanation:

The standard divisor is found by dividing the total number of residents to be represented, by the number of representatives. Here, that is 7875 divided by 15. The resulting standard divisor is 525 (exactly).

By Hamilton's method, the number of residents in each district is divided by this number, and the integer and fraction of the quotient are recorded.

If the total of integers is less than the total number of representatives, then the difference is apportioned to the districts according to the values of the fractions.

Here, the total of quotient integers is 13, so 2 additional representatives need to be apportioned. The two largest fractions are 0.77 associated with District 5, and 0.58 associated with District 1. These two districts, then, get the "extra" representatives. (1 is added to the "integer" for those districts.)

Final assignments of representatives to districts are seen in the rightmost column of the spreadsheet.

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3 years ago