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Phantasy [73]
3 years ago
10

Please help. Will give BRAINLIEST!!!!!

Mathematics
2 answers:
alukav5142 [94]3 years ago
8 0

Answer:

13

Step-by-step explanation:

Zolol [24]3 years ago
4 0

Answer:

√13

Step-by-step explanation:

if you try Pythagorean's theorem for each one, you should get that √13 doesn't work.

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Please answer this correctly, and you'll recieve brainliest. I want the CORRECT answer!
mixer [17]

Answer:

x=-10

Step-by-step explanation:

Have a great day :))

6 0
3 years ago
SUR TUS
yanalaym [24]

Answer:

Step-by-step explanation:

2(20 + 22) = 2(42) = 84 total books

6 0
2 years ago
Describe the surface in 3 represented by the equation x + y = 5. This is the set {(x, 5 − x, z)|x , z } which is a vertical plan
KengaRu [80]

treonvty trwqnty ewuit


7 0
3 years ago
There are 5 red marbles, 2 Green marbles and 3 black marbles. What is the probability that red or black is chosen?(answer in dec
ANEK [815]

Answer:

.8

Step-by-step explanation:

5 red marbles, 2 Green marbles and 3 black marbles = 10 marbles

P (red or black) = number of red or black/ total

                          = (5+3)/10

                          =8/10

   decimal form  = .8

5 0
3 years ago
Read 2 more answers
Solve the system of equations using row operations. Write your answer in the form (x, y).
Sonja [21]

Answer:

(5, - 4 )

Step-by-step explanation:

Given the 2 equations

2x + 3y = - 2 → (1)

3x - y = 19 → (2)

Multiplying (2) by 3 and adding to (1) will eliminate the y- term

9x - 3y = 57 → (3)

Add (1) and (3) term by term to eliminate y

(2x + 9x) + (3y - 3y) = (- 2 + 57), that is

11x = 55 ( divide both sides by 5 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (1)

2(5) + 3y = - 2

10 + 3y = - 2 ( subtract 10 from both sides )

3y = - 12 ( divide both sides by 3 )

y = - 4

Solution is (5, - 4 )

8 0
3 years ago
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