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3 years ago

What is the measure of angle 1

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

3 0

Answer:

Angle 1 is 75 degrees (c) & Angle 2 is 105 degrees (e)

Sum of 6 & 7 is 180

Step-by-step explanation:

75 degrees is directly across from angle 1, meaning they are the same. These are vertical angles.

Angle 2 & 75 degrees are supplementary angles, meaning they add up to 180 degrees.

Knowing that, we can do 180 - 75 = 105

6 & 7 are also supplementary, meaning that they are equal to 180 (a straight line).

Hope this helped. :)

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Solve 3x^2 + 6x+15=0

Elden [556K]

Answer:

The solution of given equation is ( - 1 + 2 i ) , ( - 1 - 2 i )

Step-by-step explanation:

Given equation as :

3 x² + 6 x +15 = 0

The value of x fro the quadratic equation a x² + b x + c = 0 is obtained as

x = $\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}$

So , from given eq , the value of x is now obtain as

x = $\frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}$

Or, x = $\frac{-6\pm \sqrt{6^{2}-4\times 3\times 15}}{2\times 3}$

Or, x = $\frac{\sqrt{-144} }{6}$

∴ x = ( - 1 + 2 i ) , ( - 1 - 2 i )

Hence The solution of given equation is ( - 1 + 2 i ) , ( - 1 - 2 i ) Answer

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3 years ago

Find the width of a rectangular prism if the volume is 546cm, the height is 7cm and the length is 13cm.

Margaret [11]

7x w x 13=546

(7x13)*w= 546

91w=546

91w/91= 546/91

w= 6

the width is 6cm

7 0

2 years ago

What does x equal if the equation is x+2.62=6.37

KengaRu [80]

Answer:

x=3.75

The drawing will help

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3 years ago

What is the value of x? 95 57

Xelga [282]

Answer:

I think X is just the subtraction of the other angles

Step-by-step explanation:

x=95-57

X=38°

4 0

2 years ago

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A car can average 140 miles on 5 gallons of gasoline. Write any equation for the distance d in miles the car can travel on g gal

ser-zykov [4K]

d=28g I might be wrong, but we can find this by dividing 140 by five, which equals 28.

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2 years ago

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