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Olenka [21]
3 years ago
13

This is long, sorry

Mathematics
1 answer:
gavmur [86]3 years ago
7 0
2 1/4 x 5 = $11.25

1.35 x 2 = $2.70

2.25 x 3 = $6.75

3.60 x 1 = $3.60

Adding all of the prices up, you get $23.80

Add the taxes, your final answer should be $31.80 ! I hope this helps, and I apologize if I messed up the steps!
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There were 567 people at a concert when a band started playing. After each song, only one-third of the people stayed to hear the
emmasim [6.3K]
To write the function correctly, it is important to assign variables correctly and understand the situation of the problem clearly. For this, we let y the number of people and x as the number of songs played.

At x = 0   y = 567
at x = 1   y = 567 - 567(1/3)
at x = 2   y = 567 - 567(1/3)(1/3)
at x = 3   y = 567 - 567(1/3)(1/3)(1/3)

Therefore, the number of people left after x songs would be represented by the equation:

y = 567 - 567(1/3)x
y = 567 ( 1- x/3 )
8 0
2 years ago
Read 2 more answers
Find the value of x.
konstantin123 [22]

Answer:

x= 37.5°

Step-by-step explanation:

∠CBD

= 180° -75° (adj. ∠s on a str. line)

= 105°

∠BCD= ∠BDC (base ∠s of isos. △BCD)

∠BCD= x

∠BCD +∠BDC +∠CBD= 180° (∠ sum of △BCD)

x +x +105°= 180°

2x= 180° -105°

2x= 75°

x= 37.5°

<u>Alternative</u><u> </u><u>working</u><u>:</u>

∠BDA= (180° -75°) ÷2 (base ∠s of isos. △ABD)

∠BDA= 52.5°

∠BDA +∠BDC= 90°

52.5° +x= 90°

x= 90° -52.5°

x= 37.5°

6 0
2 years ago
A series of books has 30 volumes, each with 700 pages. What is the total number of pages in the series?
elena55 [62]

Answer:

Step-by-step explanation:

Here we have to multiply to find the total...

30 volumes, then each individual book with 700 pages, therefore, the answer would be 21,000 pages

7 0
3 years ago
christen made $987 in tips last year $5,891 in wages and earned $786 in interest income what was her gross income lat year.
stiks02 [169]
Her gross Income was $7664

with gross Income just add up every dollar she earns NEVER WHAT SHE SPENDS
6 0
3 years ago
If the diagonal of a square is 12√2 cm . Find its area
Troyanec [42]

Answer:

A = 144 cm²

Step-by-step explanation:

Let the side of the square be x. Using Pythagoras theorem for square,

x^2+x^2=(12\sqrt2)^2\\\\2x^2=288\\\\x=12\ cm

The area of the square is given by :

A = side²

Put values in the formula.

A = 12²

A = 144 cm²

So, the area of the square is equal 144 cm².

3 0
2 years ago
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