3 years ago

Help ! Help ! Help ! Fast

1 answer:

8 0

Answer:

The answer iis d

Step-by-step explanation:

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Leviafan [203]

Always because all real numbers are solutions. Please give brainliest.

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LiRa [457]

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3 years ago

soldier1979 [14.2K]

Given that:

$\Delta DEF\cong\Delta LJK,$

we get that:

$\begin{gathered} m\angle D=m\angle L, \\ m\angle E=m\angle J, \\ m\angle F=m\angle K. \end{gathered}$

Now, recall that the interior angles of a triangle add up to 180°, therefore:

$\begin{gathered} m\angle D+m\angle E+m\angle F=180^{\circ}, \\ m\angle D=180^{\circ}-m\angle E-m\angle F. \end{gathered}$

Substituting:

$\begin{gathered} m\angle F=42^{\circ}, \\ m\angle E=m\angle J=81^{\circ}, \end{gathered}$

in the previous equation, we get:

$m\angle D=180^{\circ}-42^{\circ}-81^{\circ}=57^{\circ}.$

<h2>Answer: </h2> $m\angle D=57^{\circ}.$

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2 years ago

IgorC [24]

We have 5 apples and 4 oranges. To solve this lets do 5+4 5+4=9 So there are 9 fruits in total. :)

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3 years ago

Akimi4 [234]

The sentence in numerical form is 5x/7≤10
to solve, multiply by 7
5x≤70
lastly, divide by 5
x≤14

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3 years ago