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raketka [301]
3 years ago
8

Please help!!!!!!!!!!!!.

Mathematics
1 answer:
kotykmax [81]3 years ago
3 0

Answer:

The answer is D. You divide the shape into 3 rectangles.

Step-by-step explanation:

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A bookstore pays $28 for a copy of a
nlexa [21]

Answer: H - 50%

Step-by-step explanation:

8 0
3 years ago
The cost to purchase a song from website 1 is $0.30 per song and a $5 membership fee. To purchase a song from website 2 there is
pashok25 [27]

Answer:

I belive the answer is 20 songs.

Step-by-step explanation:

The equation you're looking for to solve this is

0.30x+5=0.20x+7

Then, you would solve for x in order to get 20.

5 0
3 years ago
Simplify the expression (show ur work)
ipn [44]

Answer:

Step-by-step explanation:

\sqrt[3]{125y^9z^6}\\ \\ \sqrt[3]{5^3(y^3)^3(z^2)^3}\\ \\ 5y^3z^2

4 0
3 years ago
Read 2 more answers
The most recent poll of 50 randomly-selected members of a school club with a total of 80 members showed that 38 are planning to
melisa1 [442]

Answer with Explanation:

Total number of members in School Club = 80 members

Number of member randomly Selected,that is sample size used  (P) = 50 members

Number of members who are planning to vote for Talia = 38 members

Z Score for 95% confidence interval =1.96

it is given that Margin of Error ,E,of the poll using a 95% confidence interval=12%

E=\frac{Z*\sigma}{\sqrt{P}}\\\\ \frac{12}{100}=\frac{1.96 * \sigma}{\sqrt{50}}\\\\ \sigma=4.32890

Standard Deviation=4.3 (approx)

→95% confidence level for students who are planning to vote for Talia as president of the club lie between → 38 + 4.3 = 42.3 to 38 -4.3=33.7.

→So, members which will vote for Talia as president of the club lies between minimum of 33 members and maximum of 42 members.

5 0
3 years ago
Read 2 more answers
Find the area of the triangle with the given measurements. A = 48°, b = 30 ft, c = 14 ft
Mariulka [41]

Answer:

  156.06 ft²

Step-by-step explanation:

The applicable formula for the area of the triangle is ...

  Area = (1/2)bc·sin(A)

Filling in the given numbers, you have ...

  Area = (1/2)(30 ft)(14 ft)·sin(48°) ≈ 156.06041335 ft²

The area of the triangle is about 156.06 square feet.

_____

Sufficient digits are provided here so that you can round to the precision you (or your computer) may desire.

3 0
3 years ago
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