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1 year ago

13

Ava flipped a coin 2 times. What are all the possible outcomes in the sample space? Let T represent the coin landing tails up an

d H represent the coin landing heads up.

2 answers:

Serggg [28]1 year ago

8 0

<span>The possible outcomes would be...
(HH,HT,TH,TT)</span>

daser333 [38]1 year ago

5 0

The four outcomes are:

HH
HT
TH
TT

There are 4 outcomes that are possible. I've never seen anyone flip and edge, so that does not count.

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George is saving for a mortgage on a $125,000 house. He needs 20 percent for a down payment. He currently has $22,000. How long

Katarina [22]

<span>George will have enough money in 3 years. This is because at 5 percent interest per year, in one year he will have $23,100. In two years, he will have $24,155. In 3 years he will have $25,362.75 which will put him slightly over his goal of a 20% down payment.</span>

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2 years ago

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Drag each expression to show whether it is equivalent to (5⋅9x)+(5⋅1), 45x+15, or 15(3x−1).

JulijaS [17]

Part A: Option e: $5(9 x+1)$

Option f: $45 x+5$

Part B: Option c: $15(3 x+1)$

Option d: $(5 \cdot 9 x)+(5 \cdot 3)$

Part C: Option a: $(5 \cdot 9 x)-(5 \cdot 3)$

Option b: $45 x-15$

Explanation:

Part A: The equation is $(5 \cdot 9 x)+(5 \cdot 1)$

Simplifying, we have,

$45x+5$

Taking the term 5 common out, we have,

$5(9 x+1)$

Thus, the above two expressions are equivalent to the equation $(5 \cdot 9 x)+(5 \cdot 1)$ .

Hence, Option e and Option f are the correct answers.

Part B: The equation is $45 x+15$

Taking the term 15 common out, we have,

$15(3 x+1)$

Also, the equation can be rewritten as,

$(5 \cdot 9 x)+(5 \cdot 3)$

Thus, the above two expressions are equivalent to the equation $45 x+15$

Hence, Option c and Option d are the correct answers.

Part C: The equation is $15(3 x-1)$

Multiplying, we have,

$45 x-15$

The above expression can be rewritten as,

$(5 \cdot 9 x)-(5 \cdot 3)$

Thus, the above two expressions are equivalent to the equation $15(3 x-1)$

Hence, Option a and Option b are the correct answers.

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1 year ago

A student claims that the expression “9 times the sum of a number and 13” is translated to the algebraic expression 9n + 13. Is

Alex73 [517]

9*13+n
I think that is correct, try and split up the question.
9*
A sum of a number AND 13
So that means that 9 is multiplying by the SUM (adding) of 13 and a number (n)

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2 years ago

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There is a bell at the top of a tower that is 45m high. The bell weighs 190 kg. How much potential energy does the bell have?

Slav-nsk [51]

Answer:

83.79 kJ

Step-by-step explanation:

The potential energy is the product of weight and height, where weight is in newtons.

PE = Mgh = (190 kg)(9.8 m/s^2)(45 m) = 83,790 J

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1 year ago

Kelly and Greta are asked to write an equation for the scenario below. “One person was able to plant 4 trees in the same amount

Oduvanchick [21]

<u>Answer:</u> Greta is correct.

<u>Explanation:</u>

Greta is correct sine you can substitute different number of people for each of the values of and y and check that each person will still plant 4 trees.

For example:

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4 x 5 = 20

but you should follow a certain pattern to increase the value of x, such that every foe every value of x, one person is able to plant 4 trees.

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2 years ago

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