3 years ago

What is the value of w 5 x ( w3 +4) = 60

Mathematics

1 answer:

Luba_88 [7]3 years ago

3 0

W=8/3 i hope this helps u out

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A triangle measures 12 degrees and 40 degrees what is the measurement of the 3rd angle of the triangle

Vinvika [58]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{128°}}}}}$

Step-by-step explanation:

Sum of angles of triangle add up to 180°

Let the third angle be x

Create an equation and solve for x

$\sf{x + 12° + 40° = 180°}$

$\dashrightarrow{ \sf{x + 52° = 180°}}$

$\dashrightarrow{ \sf{x = 180° - 52°}}$

$\dashrightarrow{ \boxed{\sf{x = 128°}}}$

Hope I helped!

Best regards! :D

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4 years ago

When constructing a prependicular bisector why must the compass opening be greater than 1/2 the length of the segment ?

Tomtit [17]

Because otherwise the two circles you build wouldn't have any intersection!

You have to draw two circles, centered at the endpoints of the segment, and connect their intersection.

If the radii are less than half the length of the circle, the circles will have no interserction.

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3 years ago

Verify the identity. Show your work. 1 + sec^2xsin^2x = sec^2x

allsm [11]

$\bf \textit{Pythagorean Identities}
\\\\
1+tan^2(\theta)=sec^2(\theta)\\\\
-------------------------------\\\\
1+sec^2(x)sin^2(x)=sec^2(x)
\\\\\\
1+\cfrac{1}{cos^2(x)}\cdot sin^2(x)\implies 1+\cfrac{sin^2(x)}{cos^2(x)}\\\\\\ 1+tan^2(x)\implies sec^2(x)$