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dybincka [34]
3 years ago
13

Becca is construction triangle d e f using the following angles 50°, 65°, 65°,

Mathematics
2 answers:
vfiekz [6]3 years ago
7 0
No mistake was made since 65+65= 130 and 130 + 50 is equal to 180 it qualifies as a triangle
Kaylis [27]3 years ago
3 0

Answer:

no mistake is made

Step-by-step explanation:

because when you add all the angles it gives you 180

and the sum of angle in a triangle is 180i.e

65+65+50=180

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Step-by-step explanation:

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3 years ago
Classify the relationship between the pair of angles:
marta [7]

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3 years ago
Given the function f(x) = -5x²-x+ 20, find f(3).<br> O-28<br> O-13<br> O62<br> O64
olganol [36]

Answer: \Large\boxed{First~Choice.~-28}

Step-by-step explanation:

<u>Given function expression</u>

f(x) = -5x² - x + 20

Requirement of the question

Find the value of f(3)

<u>Substitute the values into the function</u>

f(x) = -5x² - x + 20

f(3) = -5(3)² - (3) + 20

<u>Simplify the exponents</u>

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<u>Simplify by multiplication</u>

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<u>Simplify by subtraction and addition</u>

f(3) = -48 + 20

\Large\boxed{f(3)=-28}

Hope this helps!! :)

Please let me know if you have any questions

5 0
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