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3 years ago

If m<1=70 degrees and <1 and <2 are supplementary angles . Find m<2

1 answer:

5 0

Supplementary angles are angles that add up to 180º.
If m∠1 is 70º, then m∠2 must be an angle that can be added to 70º to equal 180º.
In other words, m∠1 + m∠2 = 180º.

Since m∠1 is 70º, we can plug this value in the equation.
70º + m∠2 = 180º

To solve, just subtract 70 from both sides, which means 180 - 70 = m∠2.
180 - 70 = 110
m∠2 = 110

The measure of m∠2 is 110º.

Hope this helps!

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Vaselesa [24]

Answer:

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Step-by-step explanation:

find the shapes you know the formula of. There's two shapes a rectangle and a trapezoid.

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A = 16

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3 years ago

Please help! Will give 20 Brainly points!

pshichka [43]

Answer:

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3 years ago

Read 2 more answers

Penelope determined the solutions of the quadratic function by completing the square. F(x) = 4x2 8x 1 –1 = 4x2 8x –1 = 4(x2 2x)

Ymorist [56]

By solving the quadratic equation using completing the square method we got that Penelope should have added 4 to both sides instead of adding 1.

<h3>What is quadratic equation ?</h3>

Any equation of the form $ax^2+bx+c=0$ where x is variable and a, b, and c are any real numbers where a ≠ 0 is called quadratic equation .

Given work of Penelope is

$\begin{aligned}&f(x)=4 x^{2}+8 x+1 \\&-1=4 x^{2}+8 x \\&-1=4\left(x^{2}+2 x\right) \\&-1+1=4\left(x^{2}+2 x+1\right) \\&0=4(x+2)^{2} \\&0=(x+2)^{2} \\&0=x+2 \\&-2=x\end{aligned}$

Now we can see that Penelope determined the solutions of the quadratic function by completing the square. so he must have been done as following

$\begin{aligned}&f(x)=4 x^{2}+8 x+1 \\&-1=4 x^{2}+8 x \\&-1=4\left(x^{2}+2 x\right) \\&-1+4=4\left(x^{2}+2 x+1\right) \\&3=4(x+2)^{2} \\&\frac{3}{4} =x+2)^{2} \\&\frac{\pm\sqrt3}{2} =x+2 \\&\frac{-2\pm\sqrt3}{2} =x\end{aligned}$

By solving the quadratic equation using completing the square method we got that Penelope should have added 4 to both sides instead of adding 1.

To learn more about quadratic equations visit : brainly.com/question/1214333

8 0

2 years ago

X+4x +6x= Simplify each expression

lozanna [386]

You add like terms together
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2 years ago

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