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4 years ago

State whether the triangles are similar. If so, write a similarity statement and the postulate or theorem you used.

Mathematics

2 answers:

BARSIC [14]4 years ago

7 0

I just did the JMHS quiz and the answer is not Helen's or ABD ~ CDB; SAS~.

The correct answer is either ADB ~ CDB; SAS ~ or SSS~.

ratelena [41]4 years ago

6 0

I believe the triangles are not similar. In order for the triangles to be similar, they would either need one more set of sides or angles to be congruent, but they only have one set of angles and one set of sides congruent. I am not entirely sure I am correct

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Find the y-intercept of x – 5y = 10.

aniked [119]

Change the equation to slope intercept form:
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The y intercept is -2

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4 years ago

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What is 77 = 4x + 57

Svetach [21]

Answer:

$x=5$

Step-by-step explanation:

$77=4x+57$

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4 years ago

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3 years ago

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3 years ago

The length of a rectangular field is 7 m less than 4 times the width. The perimeter is 136 m. Find the width and the length

Helga [31]

Answer:

Step-by-step explanation:

Represent the width by W. Then, "The length of a rectangular field is 7 m less than 4 times the width" expressed symbolically is

L = 4W - 7 (dimensions in meters)

Recall that the perimeter formula in this case is P = 2L + 2W, and recognize that the perimeter value is 136 m. After substituting 4W - 7 for L, we get:

136 m = 2(4W - 7) + 2W, or

136 = 8W - 14 + 2W, or

150 = 10W These three equations are equivalent mathematical statements.

150 = 10W reduces to W = 15 (meters).

Part A: the independent variable is W, the width of the field.

Part B: The mathematical statement is 136 m = 2(4W - 7) + 2W, which after algebraic manipulation becomes 150 = 10W.

Part C: The above equation can be solved for W: W = 15 meters. This is the value of the independent variable.

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3 years ago