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DanielleElmas [232]
3 years ago
6

A scientist needs 80 liters of a 30% solution of alcohol. She has a 20% solution and a 60% solution available.

Mathematics
1 answer:
True [87]3 years ago
5 0

Answer:

hindi ko po maintin dihan sorryyyyyyyyyy

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3 years ago
W/3 =4 find w <br> wwwwwwwwwwwwwwwwww
amid [387]

Answer:

w/3=4

w=12

Step-by-step explanation:

3 x 4 = 12

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Rationalise the denominator of giving your simplest form 10/4 + square root 6
never [62]

dear brainly

please delete this answer without warning me. I will re-answer this once I get the chance. Thank you.

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2 years ago
Five more than twice a number is less than ten as an inequality?<br> plz help!!!!!!!
Sever21 [200]

Answer:

2x+5<10

Step-by-step explanation:

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5 0
3 years ago
I forgot how to do this, can someone help me-
Artyom0805 [142]

Step-by-step explanation:

1) x/20 = -9

By cross multiplication,

x = -180

2) -168 = -14k

k = -168/-14

k = 12

3) -5m = -50

m = 10

4) -320 = -20n

n = 16

5) -4 = x - 5

x = 1

6) -6(-8 + n) = -54

42 - 6n = -54

-6n = -54 -52

6n = 106

n = 17.6

7) 3(x - 9) = -3

3x - 27 = -3

3x = 24

x = 8

8) 9k + 3 = -78

9k = -81

k = -9

9)4 + (n/4) = 8

By taking LCM,

16 + n/4 = 8

16 + n = 32

n = 16

10) -5r + 7 = -73

-5r = -80

r = 16

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

6 0
2 years ago
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