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vichka [17]
3 years ago
15

Help me please I have no idea what the answer is​

Mathematics
1 answer:
joja [24]3 years ago
4 0

Answer:

-21/10

Step-by-step explanation:

-2/5 - 4/5 = -6/5  <--

a common denominator

Then...

-6/5 -9/10 = -21/10

There is not a common denominator so you have to multiply 2 to the -6/5 to make it -12/10

The answer can be left as an improper fraction which is -21/10

or a mixed number -2 1/10 th

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Answer: Dilation followed by a rotation & they are similar.

Step-by-step explanation:

3 0
2 years ago
The length of a rectangle is 11 in. longer than its width. the perimeter of the rectangle is 86 in.write and solve an equation t
Tcecarenko [31]
I hope this helps you


width w


length w+11



perimeter =2 (width +length )


86=2 (w+w+11)


43=2w+11


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3 years ago
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frez [133]

Answer: which problem is it ?

Step-by-step explanation:

4 0
3 years ago
what is the perimeter of triangle PQR vertices P(-2, 9), Q(7,-3), and R(-2, -3) in the coordinate plane?
kipiarov [429]
This is a diffficult question was there a chart
6 0
3 years ago
HELP ME!!!!!!
sdas [7]

Answer:

A. Minimum = 54, Q1= 69.5, Median = 75, Q3= 106, Maximum = 183

Step-by-step explanation:

Arranging the data set in order from least to greastest we get:

54, 68, 71, 72, 75, 84, 104, 108, 183

From this, we can see that the minimum value is 54 and the maximum value is 183.

Taking a number off one by one on each side of the data set gives the median. In the middle lies 75, so that is our median

To find quartile ranges, split the data set into two where the median lies, then, find the median of those two data sets. The medians will be the values of the upper (Q3) and lower quartiles (Q1).

Q1: 54, 68, 71, 72

68 + 71 = 139
139 ÷ 2 = 69.5

-----

Q3: 84, 104, 108, 183

104 + 108 = 212

212 ÷ 2 = 106

Option A is the only answer with all of these values, therefore, it is the answer.

hope this helps!

3 0
2 years ago
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