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Nonamiya [84]
3 years ago
15

Could someone pls explain

Mathematics
2 answers:
olga_2 [115]3 years ago
3 0

Answer:

The answer is C

Step-by-step explanation:

Gelneren [198K]3 years ago
3 0

Answer:

See below.

Step-by-step explanation:<

< DAC and < BCA are alternate angles. So as they are congruent the 2 sides AD and BC are parallel.

Similarly as < BAC and DCA are congruent the sides AB and DC are parallel, so ABCD is a parallelogram.

Therefore as its opposite sides are congruent and AC is common to both triangles, triangle s ABC and CDA are congruent by SSS.

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I NEED ANSWER TO THIS!! POINTS
Julli [10]

Answer:

3 - (-5) , (-1) - 2

Step-by-step explanation:

The distance formula is X2 - x1 and Y2 -Y1. Just replace the X and Y with your coordinate values.

3 0
4 years ago
The sum of the first 150 negative integers is represented using the expression . What is the sum of the first 150 negative integ
Tresset [83]

Answer:

–11325

Step-by-step explanation:

This is another way of writing out a LONG SUBTRACTION SENTENCE of the first one hundred fifty negative integers:

\displaystyle -1 - 2 - 3 - 4... - 150

I am joyous to assist you anytime.

7 0
3 years ago
Find the length of the third side. If necessary, round to the nearest tenth.
joja [24]

Answer: 5

Step-by-step explanation:

use formula a^2 + b^2 = c^2

a^2 + 12^2 = 13^2

a^2 + 144 = 169

       - 144   -144

a^2 = 25

sqrt   sqrt

a = sqrt (25)

a = 5

8 0
3 years ago
Answer 17 and 18 for 15 points<br><br><br>​
Mkey [24]

17. 62 degrees

18. 38 degrees

5 0
3 years ago
You buy 6 notebooks and a backpack. The cost of the backpack is $18.70. You pay 6% in sales tax on your purchase, and your total
s2008m [1.1K]

Answer:

$3.05

Step-by-step explanation:

Backpack=$18.70

6 note books=x

Sales tax=6%

Total cost=$39.22

18.70+x+0.06(18.70+x)=39.22

18.70+x+1.122+0.06x=39.22

19.822+1.06x=39.22

1.06x=39.22-19.822

1.06x=19.398

x=19.398/1.06

=18.3

x=$18.3

6 books=$18.3

Each book cost=18.3/6

=$3.05

5 0
3 years ago
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