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frutty [35]
3 years ago
7

Can someone please help me with my questions please I really really need help.

Mathematics
1 answer:
iogann1982 [59]3 years ago
8 0

Answer:

  1. not
  2. 28,45,53
  3. 37,36,45
  4. 10,24,26
  5. not

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HELPP PLEASEE
Sveta_85 [38]

Answer:

<em><u>A theater has </u></em><em><u>60 seats</u></em><em><u> in the first row, 68 seats in the second row, 76 seats in the third row,</u></em>

<em><u>and so on in the same i</u></em><em><u>ncreasing pattern</u></em><em><u>. If the theater has</u></em><em><u> 20 rows of seats, how many seats are in the theater?</u></em>

220 seats in the theater.

So if the increasing pattern is +8, and we need to determined how many seats there will be if there where 20 rows, then you would need to multiply.

1. 8 x 20 = 160

2. 160 + 60 = 220

5 0
3 years ago
Find the intervals on which f(x)=2xx2+64 increases.
Shtirlitz [24]

f(0)=64, f(1)=66, f(2)=72, f(3)=82, f(4)=96,...=2,6,10,14,...=2{1,3,5,7,...}
This can be written 2{2x+1}, so the intervals on which f(x) increases are 4x+2.
4 0
3 years ago
2
Sati [7]

Answer:

176 mm

Step-by-step explanation:

The circumference of a circle is the perimeter of a circle (length of a circle). The circumference of a circle is given as:

Circumference (C) = 2πr = πd, where d is the diameter

The circumference of a circle with diameter 7 mm is:

C = πd = 22/7(7) = 22 mm

The length of the paper to round the cylindrical pencil is the same as the perimeter of the pencil which is 22 mm.

To round the pencil 8 times, the length of the paper needed = 8 × 22 mm = 176 mm

6 0
3 years ago
Write 720,080 in expanded form with exponents
yuradex [85]

MrBillDoesMath!

Answer:

720,080  = 700,000 + 20,000 + 80 =

                  7 * 100000 + 2 * 10000 + 0 * 1000 + 0*100 + 8*10 + 0*1  =

                  7 * 10^5       + 2 * 10^4    + 0 * 10^3  + 0* 10^2 + 8 * 10

MrB

4 0
3 years ago
Combine, and simplify the following radical expressions:<br><br> √7-5/√7+√8
solmaris [256]

\frac{\sqrt{7}-5}{\sqrt{7}+\sqrt{8}}

Rationalize.

-7+2\sqrt{14}+5\sqrt{7}-10\sqrt{2}

This can be further simplified to the decimal:

-0.43006...

I hope this helps :)

7 0
4 years ago
Read 2 more answers
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