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Marianna [84]
3 years ago
11

How do you solve special right triangles with 45-45-90

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0
By doing by over 2 it will equal yeah
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Solve for n: 7(n - 6) = a(n + 5)
Morgarella [4.7K]

Answer:

n = \frac{(5a + 42)}{( 7 - a ) }

Step-by-step explanation:

7(n - 6) = a(n + 5)

7n - 42 = an + 5a

7n - an = 5a + 42

n( 7 - a ) = 5a + 42

n = \frac{(5a + 42)}{( 7 - a ) }

7 0
3 years ago
Solve the system of equation <br> 2x-y= 6<br> x+y= -3
Nikolay [14]

that is the solution to the simultaneous equation

6 0
3 years ago
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strojnjashka [21]
15/8 that’s your answer
6 0
3 years ago
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Alexxandr [17]

Answer:

Step-by-step explanation:

a. (I) x = 65

(ii) vertically opposite angles are equal.

b. (i) 71 degrees

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4 years ago
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Are the polygons below similar? If they are, write a statement and give the scale factor.
olchik [2.2K]

Answer:

Yes they are similar. Triangle ABC is similar to Triangle FED. The scale factor from large to small is 3/4 or small to large is 4/3.

Step-by-step explanation:

To determine if two triangles are similar, their corresponding sides create equal ratios.

\frac{AB}{FE} = \frac{BC}{ED}= \frac{CA}{FD}   \\\\\frac{15}{20} =\frac{12}{16} =\frac{18}{24} \\\\ \frac{3}{4} =\frac{3}{4} =\frac{3}{4}

This ratio is the scale factor depending on which is the pre-image. 3/4 or 4/3.

8 0
3 years ago
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