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Anna11 [10]
3 years ago
13

Factor this expression completely-21x + 28​

Mathematics
2 answers:
faltersainse [42]3 years ago
7 0

Answer:

NICE

Step-by-step explanation:

pickupchik [31]3 years ago
3 0
-21x+28 is factored into:

-7(3x-4)

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Add:(3x2 - 5x + 6) + (9 - 8x - 4x2)​
finlep [7]

You can see by the image how did I get the answer

3 0
3 years ago
If a triangle is
Goryan [66]
I believe the answer is positive rotation
6 0
3 years ago
What is the measure of А<br> 50"<br> 50°<br> B<br> C<br> [Not drawn to scale]<br> 50°<br> 80<br> 100<br> 130
Paladinen [302]

Answer:

solution given :

<A=?

<B=50°

<C=50°

if it is a triangle:

<A+<B+<C=180°( sum of interior angle of a triangle is 180°)

<A=180-50-50

<A=80°

<<u>A=</u><u>8</u><u>0° is a required answer.</u>

7 0
3 years ago
Using the diagram below, what is the measure of ZE?
matrenka [14]

The measure of angle E is (b) 50°

<h3>How to determine the angle measure?</h3>

The given parameters are:

  • ΔCAB is similar to ΔCED
  • AB and ED are parallel

The similarity of the triangles implies that:

  • angle C = angle C
  • angle A = angle E
  • angle B = angle D

From the figure, we have:

angle A = 50

Substitute angle A = 50 in angle A = angle E

angle E = 50

Hence, the measure of angle E is (b) 50°

Read more about similar triangles at:

brainly.com/question/14285697

#SPJ1

7 0
2 years ago
Please help me with this!!!!
Len [333]

Answer:

Slope AB = -3/2

R = (4, -7)


Step-by-step explanation:

AB (-6 , 8) and (-2 , 2)

Slope AB = (8 - 2) /(-6 + 2) = 6/-4 = -3/2

Triangle QRS , QR is half of AB, same orientation and given Q (2 , -4)  so R = (4, -7)


3 0
3 years ago
Read 2 more answers
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