3 years ago

Which congruence postulate or theorem shows that the triangles below are congruent?

Mathematics

1 answer:

lukranit [14]3 years ago

4 0

Answer:

?? theres no image

Step-by-step explanation:

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The present oge of a :b are in ratio 5: 6 three year ago , thier age were in the ratio 4:5 find there present age .

bezimeni [28]

Answer:

Their present age are 15 and 18

Step-by-step explanation:

a : b = 5 : 6

$\frac{a}{b} = \frac{5}{6} \\\\6a = 5b\\\\a = \frac{5b}{6} \\\\\frac{a-3}{b-3} = \frac{4}{5} \\\\5(a-3) = 4(b-3)\\\\5a - 15= 4b - 12\\\\5a - 4b = 15 - 12\\\\5a - 4b = 3\\\\substitute \ the \ value \ of \ a \ into \ the \ above \ equation;\\\\5(\frac{5b}{6} ) - 4b = 3\\\\25b - 24b = 18\\\\b = 18\\\\now, \ solve \ for \ a;\\\\a = \frac{5}{6} \times 18\\\\a = 15$

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3 years ago

Need help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

lina2011 [118]

A) 6x + 4x -6 = 24 + 9x

10x - 6 = 24 + 9x

10x - 9x = 24 + 6

X=30

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3 years ago

A:b= 7:1 Circle the correct equation. a= 7b b=7a a=6b b= 6a

astraxan [27]

Answer:

a= 7b

Step-by-step explanation:

a=7

b=1

a->7=7b(1)

a=7(1)

a=7

7=7

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3 years ago

What is the answer to this problem?

trasher [3.6K]

I think the answer's 36.

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3 years ago

A sphere has a radius of 5 feet. Find the volume of the sphere. Leave your answer in terms of pie. Then use 3.14 for pie and rou

Sav [38]

The Volume is 523.6
Solution: V=4
3πr3=4
3·π·53≈523.59878 and 5 or more raise the score so the 9 makes the 5 into 6 and drop all of the other numbers

6 0

3 years ago