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3241004551 [841]
3 years ago
7

Find the sum of the first 15 terms of the arithmetic of the sequence where the 1st term is 3200 and the common difference is 150

0
Mathematics
1 answer:
Elis [28]3 years ago
4 0

Answer:

just to 3200-15 repeatedly

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A theater charges $5.00 admission for adults and $2.50 for children. At one showing 240 admissions brought a total of $800. How
SOVA2 [1]

Answer:

80

Step-by-step explanation:

Let the number of adults be x

Let the number of children be y

This means that the money paid by adults and kids is $5 multiplied by x (5x) and $2.50 multiplied by y (2.5y)

This will give two equations as shown below

x + y = 240  <em>total admissions......................... equation 1</em>

5x + 2.5y = 800  <em>total money paid..................equation 2</em>

<em />

<em>Making x the subject of formula in equation 1</em>

x=240-y<em>......................................................equation 3</em>

Substituting equation 3 into equation 2

5(240-y) + 2.5y = 800  <em>removing the brackets</em>

1200 - 5y + 2.5y = 800 <em>grouping like terms</em>

-5y + 2.5y = 800-1200  <em>simplifying </em>

-2.5y  = -400 therefore

-2.5y/-2.5 = -400/-2.5

y = 160

<em>Substituting y into equation 3</em>

x = 240 - y

x = 240 - 160

x = 80

Hence number of adults who attended = 80

8 0
3 years ago
Which graph shows the solution set for -5/2x -3&lt;2 ​
ollegr [7]

Answer:

Is there supposed to be a photo? Or attachment?

Step-by-step explanation:

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Which of the following properties will most likely have the lowest
victus00 [196]

The correct answer is A: a steel building.

Explanation:

A steel building will have the lowest premiums out of all the choices given above. After reading several insurance companies policies, a steel building has premiums 30% lower than any other homeowner policy. Steel is harder to destroy in a fire and the damage would be less than a wood home, mixed composition, or even an all brick home.  

A wood home has the highest premiums out of all the choices given. When one catches on fire, they will burn fast and usually is a total loss unless the fire trucks get there in minutes.

A brick home can still be destroyed by fire on the inside even if the damage is minimal on the outside of the home.

A mixed composition home, will also be damaged by fire and could be a total loss unless fire trucks are there within minutes.

Learn more about homeowners premiums at brainly.com/question/1910027

#LearnwithBrainly

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Which of the following words is defined as “the study of hearing”? audiology audiologist audiometer audio
elena55 [62]
Audiology 100% hope this helps :)
4 0
3 years ago
HELPPP KE PJEASE. ASAPPPP ITS FOR A QUIZZZ
san4es73 [151]
=(1/2) * 2 * 3.2 + (1/2) *2 * 3.2 + (1/2) * 2 * 4 + (1/2) * 2 * 4
= 2 * 3.2 + 2 * 4
= 2 * (3.2 + 4)
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= 14.4 sq feet
2 * 14.4 = 28.8 sq feet
8 0
3 years ago
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