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Ymorist [56]
3 years ago
5

Which characteristic guarantees that a parallelogram is a rectangle?

Mathematics
2 answers:
patriot [66]3 years ago
4 0

Answer:

the diagonals are congruent

Step-by-step explanation:

The characteristic guarantees that a parallelogram is a rectangle is "the diagonals are congruent". The characteristics of a parallelogram :-The opposite sides are parallel. The opposite sides and angles are equal. The diagonals are perpendicular bisectors.

Lunna [17]3 years ago
3 0
The diagonals are congruent
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$13.33
Only information they give you is the prices unless i'm missing something.
7 0
3 years ago
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The caffeine content (in mg) was examined for a random sample of 50 cups of black coffee dispensed by a new machine. The mean an
Genrish500 [490]

Answer:

 We are 98% confident interval for the mean caffeine content for cups dispensed by the machine between 107.66 and 112.34 mg .

Step-by-step explanation:

Given -

The sample size is large then we can use central limit theorem

n = 50 ,  

Standard deviation(\sigma) = 7.1

Mean \overline{(y)} = 110

\alpha = 1 - confidence interval = 1 - .98 = .02

z_{\frac{\alpha}{2}} = 2.33

98% confidence interval for the mean caffeine content for cups dispensed by the machine = \overline{(y)}\pm z_{\frac{\alpha}{2}}\frac{\sigma}\sqrt{n}

                     = 110\pm z_{.01}\frac{7.1}\sqrt{50}

                      = 110\pm 2.33\frac{7.1}\sqrt{50}

       First we take  + sign

   110 +  2.33\frac{7.1}\sqrt{50} = 112.34

now  we take  - sign

110 -  2.33\frac{7.1}\sqrt{50} = 107.66

 We are 98% confident interval for the mean caffeine content for cups dispensed by the machine between 107.66 and 112.34 .

               

5 0
3 years ago
Help a brother out!!! Math prom worth 20!! And explain please
Reil [10]
A.

ratio 1 to 1

alright
find the distance between the x values and the y values and seperate each into that ratio
1:1
A to B is (6,12) to (15,-4)
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distance from 12 to -4 is 16, ratio would be 8:8=1:1
so the point would be (4.5,8)




b.
5:2
5+2=7
alright
A to C
(6,12) to (20,12)
distance from 6 to 20 is 14, 14/7=2, 2 times 5=10
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c.
2+3=5

C to B
C is (20,12) and B is (15,-4)
distance from 20 to 15 is 5, so 2 is the x value
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the point is (2,32/5)
5 0
3 years ago
What is the range of the following relation?<br><br> {(-1, 1), (-2, 2), (-3, 3), (-4, 4), (-5, 5)}
jeka94
As the graph approach negative infinity the graph move to positive infinity as the graph approach positive infinity the graph move to negative infinity
4 0
3 years ago
caroline bought 6 pieces of gold ribbon. each piece was 3/5 of a yard long. How many yards of ribbon did she buy in all?
Zarrin [17]

Answer:

= 3 3/5 yards

Step-by-step explanation:

If 1 piece = 3/5 yard

What about 6 pieces = ?

= (6 x 3/5) ÷ 1

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= 3 3/5 yards

5 0
3 years ago
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