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3 years ago

15

Determine if the triangles are congruent. If they are, state why.

1 answer:

Vilka [71]3 years ago

8 0

it is the first answer (congruent by SSS)

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What is mila’s average swimming speed?

skad [1K]

Answer:

she swam 1500 meters in 1/4 of the time and he swam 750 in half of his time. Hope this helps

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3 years ago

Using what you have learned about solving systems of equations, find the number that represents the apple, banana, and cherry.

sineoko [7]

Answer:

$Apple \to 4$

$Banana \to 4$

$Cherry \to 5$

Step-by-step explanation:

Given

$A \to Apple$

$B \to Banana$

$C \to Cherry$

From the rows, the equation is:

$B + 2A =12$ --- (1)

$2B + C = 13$ --- (2)

$A + 2C = 14$ --- (3)

Make A the subject in: $A + 2C = 14$

$A = 14 -2C$

Substitute $A = 14 -2C$ in $B + 2A =12$

$B + 2(14 - 2C ) = 12$

$B + 28 - 4C = 12$

Make B the subject

$B = 4C - 28 +12$

$B = 4C -16$

Substitute $B = 4C -16$ in $2B + C = 13$

$2(4C - 16) + C = 13$

$8C - 32 + C = 13$

Collect like terms

$8C + C = 13+32$

$9C = 45$

Divide by 9

$C = 5$

Recall that:

$B = 4C -16$

$B =4*5-16$

$B =20-16$

$B =4$

Recall that:

$A = 14 -2C$

$A= 14 -2*5$

$A= 14 -10$

$A =4$

Hence:

$Apple \to 4$

$Banana \to 4$

$Cherry \to 5$

3 0

3 years ago

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3 years ago

Read 2 more answers

Janie is three years younger than her brother chad the sum of their ages is 27 how old is Janie

tatyana61 [14]

Answer:

Janie is 12

Chad is 15

Step-by-step explanation:

27 - 3 = 24

24 : 2 = 12

12 + 3 = 15 (Chad)

27 - 15 = 12 (Janie)

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3 years ago

Which body is outside the solar system? A. asteroid belt B. nebula C. Earth D. sun

oee [108]

Answer:

nebula

Step-by-step explanation:

the solar system consists of planets where earth is one of the planets,the sun and the asteroid belt which separates the inner and outer planets

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3 years ago