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Lesechka [4]
3 years ago
12

Trig help ..........

Mathematics
1 answer:
Kaylis [27]3 years ago
3 0
See photo for solution

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I'M OFFERING 20 POINTS-
Dafna11 [192]

Answer:

Third option is correct. Scale factor 3 ; enlargement.

Step-by-step explanation:

It is given that the figure A'B'C'D' is a dilation of figure ABCD.

We know that after dilation the corresponding sides of image and preimage are in the same proportion.

The image of AD is A'D'.

From the figure it is noticed that the A(-1,2), D(-1,-1), A'(-3,6) and D'(-3,-3).

Distance formula is

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

AD=\sqrt{(-1+1)^2+(-1-2)^2}=\sqrt{9}=3

A'D'=\sqrt{(-3+3)^2+(-3-6)^2}=\sqrt{81}=9

Scale factor is constant which represents the relation between image and preimage.

k=\frac{A'D'}{AD}

k=\frac{9}{3}

k=3

Therefore the scale factor is 3.

If k>0 it means enlargement and if k<0 it means reduction. Therefore third option is correct.

3 0
4 years ago
Read 2 more answers
Which system has no solution.
elena55 [62]
There is no picture with this so I don’t know how to answer this
3 0
3 years ago
141.999 to the nearest tenths ,hundredth, and one
aalyn [17]

Answer:

tenth =142.0,hundredth =141.00,

3 0
3 years ago
What is the value of 20+30(7+4)+5+2(7+99?
KATRIN_1 [288]

Answer:

the answer is 567

Step-by-step explanation:

20+30(11)+5+2(106)

20+330+5+212

= 567

5 0
3 years ago
Read 2 more answers
HELP!!!!!:
Hatshy [7]

There are a total of 10 + 4 = 14 kg of syrup.

4 out of the 14 kg are sugar so the percentage is:

4/14 = 28.6%

Edit: The answer is correct. I don’t know why it was flagged as incorrect.

The total amount of ingredients in the syrup is 14 kg. Of the 14 kg, 4 kg is composed of sugar. So, 4 kg of sugar divided by the 14 kg of total weight will give you the percentage of sugar.

4/14 = 0.285714285714286

With an additional significant figure, the answer is 28.57%

7 0
3 years ago
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