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3 years ago

Lines a and b are parallel. What is the measure of ∠3 if ∠6 measures 84°?

Mathematics

2 answers:

Anon25 [30]3 years ago

7 0

Answer:

C) 84°

Step-by-step explanation:

Ray Of Light [21]3 years ago

4 0

Answer:

it also measures 84° because 3is alternate angle to 6

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Please help solve this and show work

Dafna11 [192]

Answer: x=9

Step-by-step explanation:

7x+43=106

subtract 43 from both sides

7x=63

divide by 7

x=9

8 0

2 years ago

What are the solutions of the equation (2x + 3)2 + 8(2x + 3) + 11 = 0

Tom [10]

Answer:

$x=\frac{-7-\sqrt{5}}{2}$ or $x=\frac{-7+ \sqrt{5}}{2}$

Step-by-step explanation:

The given equation is

$(2x+3)^2+8(2x+3)+11=0$

Let us treat this as a quadratic equation in $(2x+3)$ .

where $a=1,b=8,c=11$

The solution is given by the quadratic formula;

$(2x+3)=\frac{-b\pm \sqrt{b^2-4ac} }{2a}$

We substitute these values into the formula to obtain;

$(2x+3)=\frac{-8\pm \sqrt{8^2-4(1)(11)} }{2(1)}$

$(2x+3)=\frac{-8\pm \sqrt{64-44} }{2}$

$(2x+3)=\frac{-8\pm \sqrt{20} }{2}$

$(2x+3)=\frac{-8\pm2\sqrt{5} }{2}$

$(2x+3)=-4\pm \sqrt{5}$

$(2x+3)=-4-\sqrt{5}$ or $(2x+3)=-4+ \sqrt{5}$

$2x=-3-4-\sqrt{5}$ or $2x=-3-4+ \sqrt{5}$

$2x=-7-\sqrt{5}$ or $2x=-7+ \sqrt{5}$

$x=\frac{-7-\sqrt{5}}{2}$ or $x=\frac{-7+ \sqrt{5}}{2}$

5 0

3 years ago

The formula p=8n-30 gives the profit p when a number of items n are each sold at $8 and expenses totaling $30 dollars are subtra

andrew11 [14]

Answer:

the answers is n=25. hope this helps

7 0

3 years ago

Romashka-Z-Leto [24]

Discrimination 100 the real answer is that and it will not make since at dirt but it is have a good day

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3 years ago

What is the solution set of 2x^2 - 3x = 5?<br> (-1,-5/2)<br> (-1, 5/2}<br> (1.-5/2}

earnstyle [38]

Answer:

(-1, 5/2)

Step-by-step explanation:

That is what I got

5 0

2 years ago

Read 2 more answers