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Stella [2.4K]
3 years ago
7

5. Write an equivalent ratio to 18:1?

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

Answer:

36:2

Step-by-step explanation:

we can just multiply both numbers by 2, to get 36:2

balandron [24]3 years ago
6 0

Answer:

36:2

54:3

etccccccccc

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HELP 30 POINTS WILL GIVE BRAINLIEST
uysha [10]
×imagine this is a flattened pyramid box. When you fold along the dotted lines you can see which sides are equivalent.

Add up the areas of each piece.

Two identical rectangular pieces 7 × 10
2(7)(10) = 140

One small rectangular piece 6 × 7
7(6) = 42

Two identical triangles
2(0.5)(6)(8) = 48

Add up all the pieces
140 + 42 + 48 = 230

3 0
3 years ago
If the 1st and 10th terms of geometric sequence are 4 and 100. Fine the nth term of the sequence
gulaghasi [49]
A(n)=ar^(n-1)  so

100=4r^9

25=r^9

ln25=9lnr

ln25/9=lnr

r=e^(ln25/9)

a(n)=4e^((n-1)(ln25/9)  if you wanted an approximation...

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3 0
4 years ago
A cylinder with 3 radius and and height is 2 inches what is the volume?
VashaNatasha [74]

Answer:

\huge\boxed{\sf V = 56.5 \ in.^3}

Step-by-step explanation:

Radius = r = 3 in.

Height = h = 2 in.

<u>Volume:</u>

\sf Volume \ of \ the \ cylinder = \pi r^2 h\\\\V = (3.14)(3)^2(2)\\\\V =(3.14)(9)(2)\\\\V = (3.14)(18)\\\\V = 56.5 \ in.^3\\\\\rule[225]{225}{2}

3 0
2 years ago
-1/2÷ _____ = -7/3. what is the missing number
satela [25.4K]
3/14 i think.................
7 0
3 years ago
How many liters each of a 25% acid solution and a 50% acid solution must be used to produce 80 liters of a 40% acid solution?
alina1380 [7]

Answer:

  • 32 and 48 liters

Step-by-step explanation:

Let 25% solution is x liters, then 50% solution is (80 - x) liters.

<u>Acid content is going to be same:</u>

  • 0.25x + 0.5(80 - x) = 80*0.4
  • 0.25x - 0.5x + 40 = 32
  • 0.25x = 8
  • x = 8/0.25
  • x = 32 liters

So 32 liters of 25% solution and 80 - 32 = 48 liters of 50% solution

4 0
3 years ago
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