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3 years ago

If DE = EF, then what is the measure of angle CEF?

Mathematics

2 answers:

RoseWind [281]3 years ago

8 0

Answer:

45degree because complementary/linear/adjacent

Step-by-step explanation:

WITCHER [35]3 years ago

6 0

Answer:

45 degrees

Step-by-step explanation:

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4 years ago

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In the figure, a∥e , m∥n , and m∠3 = 108°. What is the m∠6 ? Enter your answer in the box.

maks197457 [2]

I believe that angle 6 is 108 because I drew to the best of my ability and I see that 3 and 6 are alternate interior angles.

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3 years ago

What fraction is exactly halfway between 4/5 and 14/15? Give your answer in its<br> simplest form.

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Answer:

4/5+14%15

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3 years ago

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SSSSS [86.1K]

What is the question?

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4 years ago

1. What is the solution of n² – 49 = 0? (1 point)

maks197457 [2]

Answer:

1. $n=\pm7$

2. $x=\pm7i[tex]3.[tex]\pm 12x =a$

4. 22

Step-by-step explanation:

1. $n^2 - 49 = 0$

$n^2 =49$

$n= \sqrt{49}$

$n=\pm7$

2. $x^2+64 = 0$

$x^2 =-64$

$x= \sqrt{49}$

$x=\pm7i[tex]3. Area of square = [tex]a^{2}$

Where a is the side

We are given an area o square = $144x^{2}$

So, $144x^{2}=a^{2}$

$\sqrt{144x^{2}}=a$

$\pm 12x =a$

4. We are given that the solution of quadratic equation -9 and 9

So, equation becomes:

$(x+9)(x-9)=0$

$x^2- 81=0$

So, in the given equation $x^2 + z = 103$

z should be the number from which if we subtract 103 so we get 81

Substitute z = 22

$x^2 + 22 = 103$

$x^2 + 22 -103=0$

$x^2 -81=0$

Thus the value of z is 22

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3 years ago

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