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Andrew [12]
3 years ago
5

Help me please!!!!!!!!!!!!

Mathematics
1 answer:
Alja [10]3 years ago
5 0

Answer:

3.5

Step-by-step explanation:

just trust me on this one i dont really know how to show my work

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The perimeter cf a rectangle i: 56 inches" the ratio of the length of the width is 6 : 1. Find the length and the width.
sergejj [24]

Answer: Length = 24; width =4

Step-by-step explanation

Since the ratio of the length to width is 6:1

Let the length  be represented as  6x

And the width be  = x

Such that that the Perimeter of the rectangle which is  

Perimeter = 2(length + width)  becomes

56 = 2(6x + x)

56/2 = 6x+x

28 = 7x

x = 4

Width = 4

Length = 6x= 6 x 4 = 24

8 0
3 years ago
How to find matrics M
makkiz [27]

\left[\begin{array}{ccc}9&7\\-4&2\end{array}\right] -4M=\left[\begin{array}{ccc}-3&3\\4&-18\end{array}\right]\qquad(*) \\\\M=\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]\to4M=\left[\begin{array}{ccc}4a&4b\\4c&4d\end{array}\right]

(*)\qquad\left[\begin{array}{ccc}9&7\\-4&2\end{array}\right] -\left[\begin{array}{ccc}4a&4b\\4c&4d\end{array}\right]=\left[\begin{array}{ccc}-3&3\\4&-18\end{array}\right]\\\\\left[\begin{array}{ccc}9-4a&7-4b\\-4-4c&2-4d\end{array}\right]=\left[\begin{array}{ccc}-3&3\\4&-18\end{array}\right]\\.\qquad\qquad\qquad\qquad\ \ \ \Downarrow\\(_{11})\qquad9-4a=-3\ \ \ |-9\\-4a=-12\ \ \ \ |:(-4)\\a=3\\\\(_{12})\qquad7-4b=3\ \ \ \ |-7\\-4b=-4\ \ \ \ |:(-4)\\b=1

(_{21})\qquad-4-4c=4\ \ \ \ |+4\\-4c=8\ \ \ \ |:(-4)\\c=-2\\\\(_{22})\qquad2-4d=-18\ \ \ \ |-2\\-4d=-20\ \ \ \ \ |:(-4)\\d=5\\\\Answer:\ A.\ M=\left[\begin{array}{ccc}3&1\\-2&5\end{array}\right]

3 0
3 years ago
PLEASE PLEASE PLEASE HELP
kozerog [31]

Answer:

The median for Springwood is 86 and the median for Meadows is 73. The interquartile range for Springwood is 14. The interquartile range of Meadows is 12.

Step-by-step explanation:

The median is the middle line of a box plot. The interquartile range is the is third quartile minus the first quartile.

4 0
3 years ago
Read 2 more answers
Which expression is a factor of 12x2 +29x -8
Temka [501]

Answer:

Dear user,

Answer to your query is provided below

(4x−1)(3x+8) is a factor of 12x^2+29x-8

8 0
3 years ago
Hendrick wants to enlarge a photo that is 4 inches wide and 6 inches tall and large photo keeps the same ratio how tall is the e
EastWind [94]
Write out the ratio. 12/x=4/6. From here you can see that to get from 12 to 4, you divide by three. To find x, multiply 3 to 6. Your answer is 18 inches. 
3 0
4 years ago
Read 2 more answers
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