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wel
3 years ago
7

Algebra :) my favorite!

Mathematics
1 answer:
Len [333]3 years ago
4 0
The 4 sides of a square all have the same lenhth. The perimeter of a square is 4 times the length of one side. Each side is 1/4 of the perimeter. 1/4 of (80 - 64y) is (20 - 16y). That can also be factored, and then written as 4 (5 - 4y). Both forms have the same value. I am absolutely positive of all of the above.
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If f(x) = 5x + 40, what is f(x) when x=-5?
Sergeeva-Olga [200]
F(x) would be -3(-5).....
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3 years ago
You walk 2 miles in 1/2 hour. At that rate, how long will it take you to walk 3 miles?
masya89 [10]
The answer is 45 mins,
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1/2 = 30mins

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3 0
3 years ago
-6x -(3x)= what's the answer to this please help me .
sleet_krkn [62]

-6x -(3x)

Pretend that there is a -1 in front of the bracket

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3 0
3 years ago
Read 2 more answers
PLZ HELP URGENT GET THE BRAINLIEST AND MORE POINTS
lord [1]

Answer:

  • The 27th term is 22

Step-by-step explanation:

Let the first term is a and common difference is d.

<u>The nth term is:</u>

  • aₙ = a + (n - 1)d

<u>We have:</u>

  • a₆ = 15
  • a₉ = 16

<u>The difference of these terms is:</u>

  • (a + 8d) - (a + 5d) = 16 - 15
  • 3d = 1
  • d = 1/3

<u>Then the first term is:</u>

  • a + 5*1/3 = 15
  • a = 15 - 5/3 = 13 1/3

<u>The nth term equation is:</u>

  • aₙ = 13 1/3 + 1/3(n - 1) = 1/3n + 13

<u>If the nth term is 22, find n:</u>

  • 1/3n + 13 = 22
  • 1/3n = 22 - 13
  • 1/3n = 9
  • n = 9*3
  • n = 27
7 0
2 years ago
Elena needs to ship a 61 cm concert flute to a customer. She has two rectangular boxes. One is 25 cm by 25 cm by 50 cm. The othe
spin [16.1K]
A) V= lwh ,so, V= 25cm*25cm*50cm= 31250 cm^3 shape

b) V=lwh,so, V=10cm*12cm*58cm= 6960 cm^3 shape
c) It is a) because the volume is much bigger.
5 0
3 years ago
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