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8090 [49]
2 years ago
15

3 minus the product of a number and k

Mathematics
1 answer:
timofeeve [1]2 years ago
3 0

Answer:

let the number be n :

3 \times n = k \\ { \underline{ \:  \: 3n = k \:  \: }}

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5 0
2 years ago
Read 2 more answers
a television with a 5:4 screen shows an image with a ratio of 20:12 which creates a letter boxed image. What percent of the scre
Grace [21]

Answer: 75\%

Step-by-step explanation:

You know that the ratio of the television's screen is 5:4 . This ratio can be also written as the following fraction:

\frac{5}{4}

The television shows an image with a ratio of 20:12 which can be also written as a fraction:

\frac{20}{12}

Set up the following proportion and solve for "x":

\frac{20}{x}=\frac{5}{4}\\\\x=\frac{4*20}{5}\\\\x=16

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\% occupied=\frac{12}{16}*100=75\%

6 0
3 years ago
Find the range for these numbers.<br><br><br><br> 12, 9, 24, 24, 37, 18, 9, 6, 24
svet-max [94.6K]
6, 9, 9, 12, 18, 24, 24, 24, 37

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5 0
2 years ago
Please help me<br><br> b minus 3/4 = 7/10
RoseWind [281]
B - 3/4 = 7/10
add 3/4 to both sides to isolate the b
b = 7/10 + 3/4
b = 28/40 + 30/40
b = 58/40
b = 1  18/40
b = 1   9/20
5 0
3 years ago
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UkoKoshka [18]
It is 0.4500% hope this helps
7 0
2 years ago
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