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slega [8]
3 years ago
9

Can u pls help me with this question ​

Mathematics
2 answers:
rodikova [14]3 years ago
7 0

Answer:

no

Step-by-step explanation:

the 2 fractions are not equal

saul85 [17]3 years ago
5 0

Answer:

no that are not because if you do 2×2 that equals 4 and 1×2 is 2 and the ratio is 1/8 not 1/2

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The figure below is the two dimensional net of a rectangular prism. what is the surface are of the net of his rectangular prism
Nostrana [21]

Answer:

28 square units

Step-by-step explanation:

1 x 2 = 2

2 x 4 = 8

4 x 1 = 4

each box it on the figure twice so

2 + 2 + 4 + 4 + 8 + 8 = 28

5 0
4 years ago
Read 2 more answers
84.48 divided by .88
stepan [7]

Answer:

96

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!
I am Lyosha [343]

Answer:

13 l of 15%, 13 l of 25%, 26 l of 70%

Step-by-step explanation:

solutions:

  • 15%, 25% and 70%

final solution:

  • 52 l of 45%

This includes 0.45*52l= 23.4 l acid

Let's assume:

  • amount of 15% solution= x
  • amount of 25% solution= y
  • amount of 70% solution= z
  • and we have z=2y

so there are 2 equation:

  • x+y+z=52
  • 0.15x+0.25y+0.7z=23.4

or

  • x+y+2y= 52 ⇒ x+3y= 52 ⇒ x= 52- 3y
  • 0.15x+0.25y+1.4y=23.4
  • 0.15x+1.65y=23.4
  • 0.15*(52-3y)+1.65y=23.4
  • 7.8-0.45y+1.65y=23.4
  • 1.2y=23.4-7.8
  • 1.2y= 15.6
  • y=15.6/1.2
  • y= 13 l

--------

  • x= 52- 3*13= 13 l
  • z= 2y= 2*13= 26 l
6 0
4 years ago
Find the measure of the indicated angle
Romashka-Z-Leto [24]
Angle A is 78 because Ab is equal to the Ac
5 0
3 years ago
What value of n solves the equation 3^n=1/81 ?<br> A. –243 <br> B. –27 <br> C. –4 <br> D. 4
Shalnov [3]
This is fairly simple. You would just substitute the answer choices in for 'n'.
3^-243=0
So, A. isn't correct.
3^-27=1.31137265.....
So, B. isn't correct.
3^-4=0.123456789 In fraction form this is 1/81
So, we think C. is the correct answer, but just to be sure,  let's try D.
3^4=81 In fraction form this would be 81/1.
So, C. is our answer. 
Hope this helps!!
5 0
4 years ago
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