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Pavel [41]
2 years ago
5

Yasmin is testing an unknown solution to determine whether it is an acid or a base. she dips red litmus paper in the solution. i

t remains red. what can she conclude about the sample? it is an acid. it is a base. it is not an acid. it is not a base.
Mathematics
1 answer:
Sholpan [36]2 years ago
3 0

Answer:

it is an acid. it is not a base

Step-by-step explanation:

litmus paper turns red in indication of an acid. bases are always alkali. therefore red litmus paper = acid. so solution cannot be a base

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Answer:

Step-by-step explanation:

let the length of rectangle=l units

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area=9l

9l=2(l+9)

9l=2l+18

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The following formula relates the quantities temperature in Celsius (C) and temperature in kelvins (K).
Oksanka [162]

Answer:

<em>The other two related equations are:  C+273.15= K  and  K-C= 273.15</em>

Step-by-step explanation:

The formula that relates the quantities temperature in Celsius (C) and temperature in kelvins (K) is given by:   C= K-273.15

First we can add 273.15 to both sides of the equation. So, we will get.....

C+273.15= K-273.15+273.15\\ \\ C+273.15= K

Now, we can also subtract K from both sides of the original equation. So, we will get..........

C-K= K-273.15-K\\ \\ C-K=-273.15\\ \\ K-C= 273.15

So, the other two related equations are:  C+273.15= K  and  K-C= 273.15

4 0
3 years ago
What are the other angles measure? Is angle 6: 30 degrees?
Vedmedyk [2.9K]
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4 0
3 years ago
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FRACTIONS<br> Equivalent fractions<br> Fill in the blank to make the two fractions equivalent.
vladimir2022 [97]

Answer:

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Step-by-step explanation:

9/21 as a fraction is equal to 3/7

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