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Nikitich [7]
4 years ago
14

What type of angle pair is formed by angles DCE and BCE?

Mathematics
1 answer:
castortr0y [4]4 years ago
8 0

Answer: choice 3) Complementary angles

Because angle ACD is 90 degrees (from the square marker symbol), this means that angle BCD is 90 degrees. The two angles add to 180 to form a straight line so 90+90 = 180. Now that we know angle BCD is 90 degrees, this means that breaking up this angle will have the sub-angles add back up to 90. Therefore, angle DCE adds to angle BCE to get 90 degrees. This is why the two angles are complementary.

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olganol [36]

Answer:

b=(-10-a)/4

First factor out the common number:3

Then divide both sides by 3

Then simplify 30/3 to 10

Then subtract a to get your answer

5 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula? Qu
sergejj [24]

Answer:

The answer in the procedure

Step-by-step explanation:

we have

2=-x+x^{2} -4

x^{2}-x-4-2=0

x^{2}-x-6=0

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

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

in this problem we have

x^{2}-x-6=0

so

a=1\\b=-1\\c=-6

substitute in the formula

x=\frac{-(-1)(+/-)\sqrt{(-1)^{2}-4(1)(-6)}} {2(1)}

x=\frac{1(+/-)\sqrt{25}} {2}

x=\frac{1(+/-)5} {2}

x=\frac{1(+)5} {2}=3

x=\frac{1(-)5} {2}=-2

8 0
3 years ago
Please help me:) thank you!&lt;3
Y_Kistochka [10]
I think your answer might be the first one
5 0
3 years ago
Hi please help please please ASAP please please help please ASAP ASAP please ASAP thank please
Schach [20]

Answer:

alantic ocean

Step-by-step explanation:

8 0
3 years ago
In a game, two people each roll one dice. If one dice landed on a 6 and the other landed on the 5, find the least common multipl
sergey [27]

Answer:

30

Step-by-step explanation:

6 = 6, 12, 18, 24, <u>30</u>, 36

5 = 5, 10, 15, 20, 25, <u>30</u>, 35

6 0
3 years ago
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