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Lemur [1.5K]
3 years ago
15

How can you find unknown lengths or widths in an easy way? 30 points!

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
7 0
Since you are in middle school, I will assume simple shapes such as rectangles and squares

area=legnth times width
therefor
width=area/legnth and
legnth=area/width
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Line bc is represented by 3x + 2y =8 line ad is a represented by -3 x -2y =6 what is the relationship of line bc to line ad expl
Vlad1618 [11]

Answer:

Parallel lines

Step-by-step explanation:

Line BC:

3x + 2y =8

Line AD:

-3x - 2y =6

Adding both equations, in this case, gives us the point at which the lines intersect:

3x + 2y-3x-2y =8+6\\0=14

Since zero will never equal fourteen, the equation above means that lines BC and AD will never intersect. When two lines have no point in common, they are said to be parallel lines.

8 0
3 years ago
Convert the unit of rate to the unit stated in the brackets​
kumpel [21]

Answer:

6/31

Step-by-step explanation:

7 0
3 years ago
Help ASAP i'll mark u brainliest pls
Lena [83]

Answer:

About <em>4 hours.</em>

Step-by-step explanation:

To find the answer we will <em>add both percentages</em> of <u><em>Watching TV</em></u> and <u><em>Homework</em></u>.  8% + 13% = <em>21%</em>.  Now we will <em>divide 100 by 21</em> and we get<em> 4 hours a day.</em>

4 0
3 years ago
Shawna is practicing typing. She types 456 words in 10 minutes.If she types the same number of words each minute how many words
Svetradugi [14.3K]

Answer:

456 / 10 = <u>45.6</u>

So the answer lies between <u>45</u> and <u>46</u>.

6 0
3 years ago
Read 2 more answers
the unit digitsof a two numberis 1 less than twice the ten digit. if the sum of tje digits is 9, find the number.
Amiraneli [1.4K]
Are you sure this is written correctly? Any number whose digits add to 9 is divisible by 9.  For a 2 digit number then, your choices are
18, 27, 36, 45, 54, 63, 72, and 81.  None of these has the property that for the 2 digit number AB that B=2A-1.  Solving your question algebraically is possible but you get fractional digits.
5 0
3 years ago
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