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FinnZ [79.3K]
2 years ago
9

What is the value of y? y +10° 50° A. 500 B. 40° C. 60° ОО D. 300

Mathematics
2 answers:
garri49 [273]2 years ago
8 0

Answer:

B

Step-by-step explanation:

50° + (Y+40°) + 2Y= 180°

180°-50°-40°=3Y

90÷3=3Y÷3

Y=30

klasskru [66]2 years ago
6 0

Answer:

B

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180° , then

y + 10 + 2y + 50 = 180 , that is

3y + 60 = 180 ( subtract 60 from both sides )

3y = 120 ( divide both sides by 3 )

y = 40 → B

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Sophia determined that the expression Negative (4 x minus 5) + 2 (x minus 3) is equivalent to –2x – 5 by using the steps below.
CaHeK987 [17]

Answer:Hope This Helps ☺️

Step-by-step explanation:

She is not correct because she did not substitute the same number in both expressions in Step 1

Step-by-step explanation:

CASE 1: substitute 1 for x to both sides of the equations

L.H.S

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CASE 2: substitute -1 for x to both sides of the equations

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Answer:

She is not correct because she did not substitute the same number in both expressions in Step 1

3 0
3 years ago
Read 2 more answers
If the hypotenuse of a right triangle is 2 <img src="https://tex.z-dn.net/?f=%5Csqrt%7B3%7D" id="TexFormula1" title="\sqrt{3}" a
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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