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tiny-mole [99]
2 years ago
11

What is the solution to the system of equations plz help everything is in the pic

Mathematics
1 answer:
Aleks [24]2 years ago
8 0

Answer:

Your answer is B. (-2,1)



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Justificantion for x=8/15
Kruka [31]
<h2>Answer:</h2>

<h2>15x=8</h2>

as according to law if a number is multiplied at one side then it will be divide to other side

so

<h2>x=8/15</h2>

Step-by-step explanation:

plz mark me asbrain liest

7 0
3 years ago
A moterboat that ravels with a speen of 20km/hour in still water has traveld 20 km against the current and 180km with the curren
Ira Lisetskai [31]

Answer:

10 kph

Step-by-step explanation:

Find the speed of the current of the river.

20/(20 - c) + 180/(20 + c) = 8

20(20 + c) + 180(20 - c) = 8(400 - c^2)

8c^2 - 160c  + 800 = 0

8(c^2 - 20c + 100) = 0

8(c - 10)^2 = 0

c = 10

The speed of the current of the river is 10 km/hour.

5 0
2 years ago
Read 2 more answers
If two triangles are congruent, which of the following statements must be true? Check all that apply.
bonufazy [111]

Answer:

All statements are correct for two congruent triangles

Step-by-step explanation:

If two triangles are congruent than the rules states that

Triangles are congruent when all corresponding sides and interior angles are congruent. The triangles will have the same shape and size, but one may be a mirror image of the other.

As the fig shows two triangle

Δ PQR

Δ LMN

All three corresponding sides of triangle are congruent

all three corresponding  angles are congruent

Both triangle are of same size

Both are of same shape

hence all the statements are CORRECT

Keywords:Geometry

Learn more about Geometry at:

  • mathopenref.com/congruenttriangles.html
  • brainly.com/question/3617539

#learnwithBrainly

6 0
3 years ago
24 pennies 62 nickels 55 dimes 16 quarters and 19 fifty cent pieces how much money do i have
777dan777 [17]
24 = 24 cents. 62 nickels= multiply that by 5. 55 dimes= multiply that by 10. 16 quarters= multiply that by 25. 19 x 50 add together all solutions.
8 0
3 years ago
Multiply.<br> Your answer should be a monomial in standard form.<br> (-9n^3)(n^3)
ratelena [41]

Answer:

-9n^6

Step-by-step explanation:

(−9n^3)(n^3)

=(−9) * n^3 * n^3

=−9 * n^6

=−9n^6

5 0
3 years ago
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