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lana66690 [7]
3 years ago
13

Answer these three for me pls guys

Mathematics
1 answer:
Nataliya [291]3 years ago
8 0
11) X= 7, X= -7
(X+7)(X-7)=X^2+7X-7X-49=X^2-49

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What is the scale factor from ADEF to AABC?<br> 10<br> 6<br> 20<br> 12<br> А<br> 7<br> 14
tigry1 [53]

Answer:

The scale factor is 1/2

Step-by-step explanation:

Given

\triangle DE F and \triangle ABC

Required

The scale factor from \triangle DE F to \triangle ABC

Take a corresponding side in both triangles.

We have:

DE= 20     AB = 10

The scale factor from \triangle DE F to \triangle ABC is:

k =\frac{AB}{DE}

k =\frac{10}{20}

k =\frac{1}{2}

8 0
3 years ago
HELP!!!!!!!!!!
Vadim26 [7]

Answer:

A)Points are A ,B,C,D,G,E

B) other names are AC, CA, ABC

C)the Rays are DE, DG

D) M refers to the plane in which these points and Rays,lines are mentioned

E) < GDE < EDG are other names for angle 1

Explanation:

A line is one which has arrow heads on both ends and extends infinitely .

A ray has arrow Head at one end.

An angle is formed by the joining of two rays or lines.

Points are specific locations on a line or ray .

A plane has two dimensions length and breadth which has a line etc drawn on it

7 0
3 years ago
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