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Harrizon [31]
3 years ago
7

Given: abcd is a rectangle, M is midpoint of line AB prove: line DM is congruent to CM

Mathematics
1 answer:
kherson [118]3 years ago
3 0
Given: abcd is a rectangle, M is midpoint of line AB prove: line DM is congruent to CM

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Find the term to term rules for 2,6,18,54,162
faltersainse [42]

Answer:

a, ax3 =b, bx3= c , cx3=d, dx3=e

Step-by-step explanation:

2, 2×3=6, 6x3=18,18 x3 =54, 54x3= 162

Multiplication of three with previous number will give you next number in series.

4 0
2 years ago
The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day.
mote1985 [20]

The confidence interval for the mean usage of water is (18.7,20.5).

Given population standard deviation of 2.4, mean of 19.5 gallons per day and confidence interval of 98%.

We have to find the confidence interval for the mean usage of water.

To find out the confidence interval we have to first find margin of error.

μ=19.5

σ=2.4

α=0.98

α/2=0.49

We have to find the z value for the p value 0.49 which is z=2.33

Margin of error=z*μ/\sqrt{n}

=2.33*19.5/\sqrt{3034}

=0.82

lower level=mean -m

=19.5-0.82

=18.68

after rounding upto 1 decimal

=18.7

upper mean = mean+m

=19.5+0.82

=20.52

Hence the confidence interval for the usage of water is (18.7,20.52).

Learn more about margin of error at brainly.com/question/10218601

#SPJ4

7 0
2 years ago
Is 4.15 greater than 4.051
I am Lyosha [343]
Yes (my answer need to be greater than 20 characters long so...Ahhhhh). A way to help you is see it as 4.1 and 4.0 because the # after the 1 aren't that important
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5 + 1
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How to construct a triangle given area 36cm and sides 6cm and 8cm
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The bottom would be 36cm and the sides 6 and 8
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