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yKpoI14uk [10]
3 years ago
13

What is undefined I need help I don't understand this question

Mathematics
1 answer:
timurjin [86]3 years ago
4 0
(4/9-9) and (4/0) are undefined as you can not divide by the value of 0.
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PLEASE HELP!!!!
Eddi Din [679]

Answer:

4x -51

Step-by-step explanation:

m(n(x)) = m(x - 10) = 4(x-10) - 11 = 4x -40 -11 = 4x -51

7 0
2 years ago
Read 2 more answers
What is a supplementary angle??
Olin [163]
A single angle is generally not considered to be supplementary. Supplementary angles are angles that equal 180° when they are added together. For example, 70° and 110° are supplementary because they equal 180°.

However, I guess the supplementary angle can be the angle that must be added to another to total 180°. For example, 80° is the supplementary angle of 100°.
3 0
3 years ago
Read 2 more answers
Need help As soon as possible!!
emmasim [6.3K]
I think the fourth option is the answer. It wi give you the Side angle side postulate.
4 0
2 years ago
Please help! Explain as well since I need to know material for the test
Illusion [34]

3a)

<h3>Answer: The sum of a+b+c+d is equal to 220</h3>

-------------

How I got this answer:

a+b+e = 180

c+d+f = 180

angles 'e' and 'f' are marked in the attached drawing below (see figure 1)

Add the two equations to get

(a+b+e)+(c+d+f) = 180+180

a+b+e+c+d+f = 180+180

a+b+e+c+d+f = 360

(a+b+c+d)+(e+f) = 360

(a+b+c+d)+(140) = 360 substutition (see below)

a+b+c+d = 360-140

a+b+c+d = 220

==========================================

3b)

The angles of the triangles add to 180 degrees each. The three angles e, f, and 40 add to 180 as well as they form a straight angle, so e+f+40 = 180 leading to e+f = 180-40 = 140. This will help us with the substitution rule I marked above

So the idea is you add up all the angles, and then take away the angles we don't want (e and f) so we end up with the sum of a+b+c+d

==========================================

4

<h3>Answer: 290</h3>

---------------------

Explanation:

Check out the attached image figure 2.

Angle DAE is given to be 30 degrees. Angle ADC is also equal to 30 because they are alternate interior angles.

Angle DCB is 40 degrees. The missing angle x of the triangle DCB is unknown for now, but we can solve for x

x+40+30 = 180

x+70 = 180

x = 180-70

x = 110

Therefore the purple angle marked in that diagram is 180-x = 180-110 = 70

The reflex angle to the 70 degree angle is 360-70 = 290

which is the shaded angle we want to determine

5 0
3 years ago
Find the third side in simplest radical form:<br> 8.<br> V34<br> Δ
Degger [83]

Answer:

c = 7√2

Step-by-step explanation:

Apply pythagorean theorem to find the third side.

Thus, c² = a² + b²

where, c is the third side and a and b are the other sides.

Plug in the values

c² = 8² + (√34)²

c² = 64 + 34

c² = 98

c = √98

c = √(49 * 2)

c = 7√2

4 0
3 years ago
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