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BartSMP [9]
3 years ago
5

PLEAS HELP ASAP PLEAS 20 points 1 over 3b = 4 over 5. what equals b in this equation?

Mathematics
1 answer:
White raven [17]3 years ago
8 0

Answer:

b = 5/12

Step-by-step explanation:

You have the proportion

1/(3b) = 4/5        

Cross multiply to get rid of the fractions...

5 = 12b                now solve for b

5/12 = b                 (divide by 12 on both sides)

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Gwar [14]

Answer:

The triangles can be congruent.

Step-by-step explanation:

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The last side can be congruent if the diagonals are congruent in length by proving.

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4 0
3 years ago
2 divided by n equals negative 7
solniwko [45]

Answer:

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6 0
3 years ago
20 points!! Please Help!
Galina-37 [17]

Answer:

• x = 9

• y = 6√2

Step-by-step explanation:

The right triangles are all similar, so the ratios of hypotenuse to short side are the same:

27/x = x/3

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x = 9 . . . . . . . . take the square root

Then y can be found from the Pythagorean theorem:

x^2 = y^2 + 3^2

81 - 9 = y^2 = 72 . . . . . subtract 9

y = √72 = 6√2 . . . . . . .take the square root

The values of x and y are 9 and 6√2, respectively.

8 0
3 years ago
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adell [148]
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3 0
3 years ago
What is 3-3 x 6+2=?????????????????????????????????
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