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SVETLANKA909090 [29]
3 years ago
11

The area of a rectangular rug is 28 m2. The length is 7 m. What is the width?

Mathematics
1 answer:
hoa [83]3 years ago
6 0

Answer:

4 i think

Step-by-step explanation:

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Help asaaaap explain please!!!!!
mariarad [96]

Answer:

C

Step-by-step explanation:

Once

\sqrt{xy} = 6

We know that xy = 36

There are infinity values for x, y, but considering x, y \in \mathbb{Z}

Below we have all the solutions for x, y

Negative:

\\x = -36 \text{ and } y = -1\\x = -18 \text{ and } y = -2\\x = -12 \text{ and }  y = -3\\x = -9 \text{ and }  y = -4\\x = -6 \text{ and }  y = -6\\x = -4 \text{ and }  y = -9\\x = -3 \text{ and }  y = -12\\x = -2 \text{ and }  y = -18\\x = -1 \text{ and }  y = -36\\

Positives:

x = 36 \text{ and } y = 1\\x = 18 \text{ and } y = 2\\x = 12 \text{ and }  y = 3\\x = 9 \text{ and }  y = 4\\x = 6 \text{ and }  y = 6\\x = 4 \text{ and }  y = 9\\x = 3 \text{ and }  y = 12\\x = 2 \text{ and }  y = 18\\x = 1 \text{ and }  y = 36\\

We can see that x + y \neq 18

6 0
3 years ago
A toy previously sold for $10.00 now sells for 75 cents. Calculate the decrease in the value of the toy
kramer
The decrease in the value of the toy is $9.25 if you subtract $ 0.75 from $10.00 then you get $9.25 so it's $9.25 cheaper
7 0
3 years ago
Find the measure of line KM.<br> A. 14<br> B. 9<br> C. 12<br> D. 10
HACTEHA [7]

\\ \sf\longmapsto \dfrac{3}{x-4}=\dfrac{6}{x-5}

\\ \sf\longmapsto 3(x-5)=6(x-4)

\\ \sf\longmapsto 3x-15=6x-24

\\ \sf\longmapsto 3x-6x=-24+15

\\ \sf\longmapsto -3x=-9

\\ \sf\longmapsto x=\dfrac{-9}{-3}

\\ \sf\longmapsto x=3

\\ \sf\longmapsto KM=3+6=9

6 0
3 years ago
the diameters of Douglas firs grown at a Christmas tree farm are normally distributed with a mean of 4 inches and a standard dev
aksik [14]

Answer:

Proportion of the trees will have diameters between 2 and 6 inches = 0.8164

Step-by-step explanation:

Given -

Mean (\nu )  = 4

Standard deviation (\sigma  ) = 1.5

Let X be the diameter of tree

proportion of the trees will have diameters between 2 and 6 inches =

P(2<  X<  6)   =  P(\frac{2 - 4 }{1.5}< \frac{X - \nu }{\sigma}<  \frac{6 - 4 }{1.5})

                         = P(\frac{-2 }{1.5}< Z<  \frac{2 }{1.5})     Put  [Z = \frac{X - \nu }{\sigma}]

                         =  P(-1.33< Z<  1.33)

                          = (Z<  1.33) - (Z<  -1.33)

                          = .9082 - .0918

                           = 0.8164

6 0
3 years ago
I don't know how to do three and four
xenn [34]
Angle 3 is also 104: and angle 5 and 2 are 76: and angle 6 is 104: 3 and 8 are 104: and 7 and are 76

angle 1 and 6 are verticle angles 
angles 7 and 8 are suplimentary
angles 4 and 5 are alternate exterior angles
andgle 2 and 4 are im not sure
5 0
3 years ago
Read 2 more answers
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