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ioda
2 years ago
13

HEEELp PLEASEEEEEEE tank uuuuuuuuuu

Mathematics
2 answers:
VARVARA [1.3K]2 years ago
8 0

9514 1404 393

Answer:

  both figures are parallelograms

Step-by-step explanation:

The diagonals of a quadrilateral bisect each other if and only if that quadrilateral is a parallelogram. Hence, the left figure is a parallelogram.

The opposite angles of a quadrilateral are congruent if and only if that quadrilateral is a parallelogram. Hence the right figure is a parallelogram.

__

<em>Additional comment</em>

Proofs of these conditions can be offered, but these are the conclusions of the respective proofs. The bisected diagonals form pairs of triangles, provably congruent using SAS. (left figure) The angles total 360°, so any adjacent pair must total 180°, making opposite sides parallel. (right figure)

Kamila [148]2 years ago
7 0

Answer:

they both are because they are not symmetrical??

Step-by-step explanation:

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79 x 52 = <br>46 x 34 =<br>28 x 70 =<br>59 x 31 =<br>62 x 45 =<br>87 x 16 =<br>39 x 20 =​
romanna [79]

Answer:

79×52=4,108

46×34=1,564

28×70=1,960

59×31=1,829

62×45=2,790

87×16=1,392

39×20=780

8 0
3 years ago
What is the distance between points (2, −8) and (2, 7) on a coordinate plane?
MatroZZZ [7]

Answer:

15 points vertically.

Step-by-step explanation:

change -8 to 8, then add the 2 numbers in the y axis and you will get 15. brainliest?

8 0
3 years ago
John was swimming for hour anda half hours at a speed of 2 miles per hour.How far did he swim?
Marrrta [24]

Answer:

3 miles

Step-by-step explanation:

2+1=3 znnsndndnndjd

5 0
3 years ago
Read 2 more answers
A team of three students are working on a language-learning app; they need to develop 300 micro-lessons and 300 micro-tests befo
Olegator [25]

Answer: a) 15 b)

Step-by-step explanation:

Let X be the number of days:

a)

For LESSONS:

Jordan does 10 / day ( 10*X)

Marco 5 / day ( 5*X)

Junyi 5 / day ( 5*X)

For TESTS:

Jordan does 5 / day ( 5*X)

Marco 10 / day ( 10*X)

Junyi 8 / day ( 8*X)

for each they need a total of 300

a) 10X+5X+5X=300 => 20X = 300 => X = 15 days for the lessons

b) 5X+10X+8X = 300 => 23X = 300 => X = 13.04 days for the tests

so they need 15 days to finish both tasks

now if Junyi gets sick we just eliminate his contribution

a) 10X+5X=300 => 15X = 300 => X = 20 days for the lessons

b) 5X+10X = 300 => 15X = 300 => X = 20 days for the tests

so in 20 days they will finish without him

If jordan works 10 hours a day, we just replace him with 10/24

a) 10(10/24)+5X+5X= 300 => X = 29.58 days for the lessons

b) 5(10/24)+10X+8X = 300 => X = 16.51 days for the tests

so at the end to complete both tasks they need 29.58 days

4 0
3 years ago
List the first 5 multiples, and find ALL the factors of 13
kvasek [131]

Answer:


13,26,39,52,65,78 are the multiples 13 and 1 are the all of the factors


7 0
3 years ago
Read 2 more answers
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