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2 years ago

Which angles are vertical to DEA? Question is located in the attached file (image)

Mathematics

1 answer:

ValentinkaMS [17]2 years ago

3 0

Answer:

∠CEB

Step-by-step explanation:

The vertical angle is one that is directly opposite to the original angle. In this image of two intersecting lines, it looks like the angle ∠CEB is directly across from our angle ∠DEA. So, the angle ∠CEB is vertical to ∠DEA.

Hopefully that was helpful! :)

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Consider a Triangle ABC like the one below. Suppose that C = 98, A = 74, and b = 11 (figure is not drawn to scale.) solve the tr

Degger [83]

Answer:

$A=73.8\°$

$B=8.2\°$

$c=76.3\ units$

Step-by-step explanation:

step 1

Find the measure of side c

Applying the law of cosines

$c^{2}= a^{2}+b^{2}-2(a)(b)cos(C)$

substitute the given values

$c^{2}= 74^{2}+11^{2}-2(74)(11)cos(98\°)$

$c^{2}=5,823.5738$

$c=76.3\ units$

step 2

Find the measure of angle A

Applying the law of sine

$\frac{a}{sin(A)}=\frac{c}{sin(C)}$

substitute the given values

$\frac{74}{sin(A)}=\frac{76.3}{sin(98\°)}$

$sin(A)=(74)sin(98\°)/76.3$

$A=arcsin((74)sin(98\°)/76.3)$

$A=73.8\°$

step 3

Find the measure of angle B

we know that

The sum of the internal angles of a triangle must be equal to 180 degrees

$A+B+C=180\°$

substitute the given values

$73.8\°+B+98\°=180\°$

$171.8\°+B=180\°$

$B=180\°-171.8\°=8.2\°$

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3 years ago

What is the sum of -6 4/5 and 6 4/5

galben [10]

Answer:

Step-by-step explanation:

thanks for the points :)

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2 years ago

A 5x5 table is filled with numbers (one number per cell). It is known that the product of 5 numbers in each column is negative.

Advocard [28]

Answer:

Yes

Step-by-step explanation:

A negative multiplied by another negative will turn into a positive. A positive multipled by a negative will stay as a negative.

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2 years ago

What is the End Behavior of the following Graph?

natima [27]

Answer:

b hopefully this helps you with work

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3 years ago

PLEASE HELP!!!! -1 3/5 divided by (-2/3) Write the answer as a mixed number

natka813 [3]

Answer:

simplify -1(3/5)÷(-2/3) = 9/10

=90/100

= .90 and there's your answer

5 0

3 years ago

Read 2 more answers

Which angles are vertical to DEA? Question is located in the attached file (image)​

Which angles are vertical to DEA? Question is located in the attached file (image)