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insens350 [35]
3 years ago
10

What is -2-5(-2-7i) simplify with full working?

Mathematics
1 answer:
Valentin [98]3 years ago
8 0
Please give thanks and brainliest if correct!

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Need awnsers please help
sleet_krkn [62]
The line of reflection is what the graph flips over. You can find the line with two points, and a point on the reflection line is the midpoint of a point and the corresponding point in the after-image.
The first one reflects over the y-axis, or x=0. One point is (-2, 1) and its corresponding point is (2, -1). The midpoint is found by the average of the two coordinates, which is (0,0). Pick another pair of points and find the midpoint which you should get (x,0).
You have two points (0,0) and (x,0) and they form a line, which is the y-axis, or x=0.
The line of reflection for the 1st one is x=0 (y-axis).
4 0
3 years ago
Combine like terms in the expression below:<br> 9x + 4.05xy + 15y + 30y - 11x + 9.46
aev [14]

Answer: 4.05 x y  − 2 x  +  45 y  +  9.46

Step-by-step explanation:

9x + 4.05xy + 15y + 30y - 11x + 9.46

4.05xy + 9x - 11x  + 15y+ 30y+ 9.46

4.05 x y  − 2 x  +  45 y  +  9.46

6 0
3 years ago
If ABCD is congrunent to , pqrs, then AD is congrent to ?
katovenus [111]

Answer:

AD is congruent to RS

Step-by-step explanation:

we know that

If two figures are congruent, then its corresponding sides and its corresponding angles are congruent

In this problem

If

ABCD≅PQRS

then

<em>Corresponding angles</em>

∠A≅∠P

∠B≅∠Q

∠C≅∠R

∠D≅∠S

<em>Corresponding sides</em>

AB≅PQ

BC≅QR

CD≅RS

AD≅PS

7 0
3 years ago
Sophia bought 3 yards of trim to put around a rectangular scarf. She wants the width of the scarf to be a whole number that is a
Helen [10]
I believe the answer is 24.You do 12 divided by 3 and then you get 4. Then you do 4 times 6 and get 24.
3 0
3 years ago
In the drawing below, PQ is parallel to ST. Triangle PQR is similar to triangle TSR.
Lerok [7]

Answer:

PR corresponds to TR.

Step-by-step explanation:

Its the second choice:

PR corresponds to TR.

This is because they are opposite equal angles ( < Q and <S).

6 0
3 years ago
Read 2 more answers
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