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12345 [234]
3 years ago
15

Solve the equation 18 + k = 20

Mathematics
2 answers:
Lorico [155]3 years ago
7 0

Answer:

k=2

Step-by-step explanation:

18 + (2) = 20

ddd [48]3 years ago
4 0

Answer:

k=2

Step-by-step explanation:

18+k=20

Subtract 18 from both sides:

18+k-18=20-18

k=2

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3(2x + 1) = 12 + 3x ?
Andre45 [30]

Answer:

6x+3=12+3x

6x-3x=12-3

3x=9

x=9/3

x=3

4 0
3 years ago
Read 2 more answers
David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidenc
elixir [45]

Answer:

0.09312

Step-by-step explanation:

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5 0
3 years ago
The solution set for 5v2 – 125 = 0 is
WARRIOR [948]

Answer:

v = ± 5

Step-by-step explanation:

given 5v² - 125 = 0 ( add 125 to both sides )

5v² = 125 ( divide both sides by 5 )

v² = 25 ( take the square root of both sides )

v = ± \sqrt{25} = ± 5


6 0
4 years ago
Determine the measure of angle C using a trigonometric ratio.
masya89 [10]

Answer:

34.836

Step-by-step explanation:

sin(C)=opp/hyp=16/28=4/7

C= inverse sin = 34.836 deg

4 0
3 years ago
Use &lt; =, or &gt; to compare.<br> -2/3 -1/6<br> )2/3&gt; -1/6<br> )-2/3= -1/6<br> ℂ)-2/3&lt;-1/6
Vinvika [58]

Answer:

Question 1: <

Question 2: >

Question 3: <

Question 4: <

Step-by-step explanation:

The questions are repeating themselves but I tried to answer. For the first one, -2/3 is less than -1/6 because if you put the same denominator, that is what you get as your answer. Then, for the second one 2/3 is positive so you can automatically know it is greater than a negative fraction. Explanation for the third and fourth problems are the same as the first one.

8 0
3 years ago
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