Decide whether the triangles are similar. If so, determine the appropriate expression to solve for

Mathematics

2 answers:

astraxan [27]3 years ago

6 0

Answer:

ΔABC ~ ΔEDF; x = r × w/z

Step-by-step explanation:

m∠ABC = 180 -47 - 62 =71 = m∠EDF

ΔABC ~ ΔEDF

w/z = x/r

x = r × w/z

olga_2 [115]3 years ago

3 0

Answer:

its ABC ~ EDF; x=r * w/z

Step-by-step explanation:

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What is the value of a in the equation 5a -10b = 45 when b = 3

leva [86]

Salutations!

$5a-10b = 45$

value of $b = 3$

Multiply 10 and 3

$10*3=30$

Now, you can solve the equation --

$5a-30=45$

separate the variables aside, and the numbers aside.

$5a=45 +30$

$5a=75$

$a=75/5$

$a=15$

Hope I helped (:

Have a great day!

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2 years ago

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2 years ago

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OleMash [197]

Answer:

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