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Serggg [28]
2 years ago
8

A band went to a recording studio and recorded 4 songs in 3 hours. How many hours would it take the band to record 9 songs if th

ey record at the same rate?
Mathematics
2 answers:
Morgarella [4.7K]2 years ago
6 0

Answer:

7 1/2 hours I believe is the correct answer. Hope it works!

Aloiza [94]2 years ago
5 0

Answer:

6 hours and 45 minutes

Step-by-step explanation:

if you divide 3 hours by four songs you deduce that it take 45 minutes to record one song.

8 is double 4 so it will take 3more hours plus the 45 minutes for the ninth song.

3+3+.45= 6.45

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Math sequences number patterns
grandymaker [24]

Answer:

see explanation

Step-by-step explanation:

(a)

Note the squared value in column 3 which is the square of 1 more than the row number, that is

row 2 → (2 + 1)² →3²

row 3 → (3 + 1)² → 4²

Find the square root of 676 = 26 → (25 + 1)² = 26²

Hence the row number is 25

(b)

The pattern in column 1 is [ row number × (row number + 2 ) + 1 ]

row number is n then n(n + 2) + 1 = n² + 2n + 1

4 0
3 years ago
Explain how rays AB and AC form both a line and an angle.
GuDViN [60]

A straight line (180o) is still an angle. Would you be wondering if the question said "Can 179o be a real angle?" No you would simply draw it. 1 degree more and you have 180o and it is an angle as well.

So you have a line that is both a line and an angle with A in the middle.

4 0
3 years ago
Read 2 more answers
a dolphin is swimming 18 feet below the surface of the ocean. there is a coast guard helicopter 75.5 feet above the surface of t
Sever21 [200]

Answer:

93.5

Step-by-step explanation:

I think because u would take -18 -18 + 75.5.

can I have brainlist please.

6 0
2 years ago
Please hurry!! I have less than 5 min!!<br> What is the area of this composite shape?
vladimir2022 [97]

Area of the composite shape = 292 yd²

Solution:

The shape is splitted into two rectangles.

The reference image of the answer is attached below.

Length of the top rectangle = 21 yd

Width of the top rectangle = 29 yd – 22 yd = 7 yd

Length of the side rectangle = 29 yd

Width of the side rectangle = 26 yd – 21 yd = 5 yd

Area of the figure = Area of the top rectangle + Area of the side rectangle

                              = (length × width) + (length × width)

                              = (21 × 7) + (29 × 5)

                              = 147 + 145

                              = 292

Area of the composite shape = 292 yd²

3 0
3 years ago
Lin is paid 90$ for 5 hours of work?
allochka39001 [22]

Answer:

99 dollars

Step-by-step explanation:

90 divided by 5 equals 18 slice that in half you get 9.

90 + 9 =99

6 0
3 years ago
Read 2 more answers
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