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2 years ago

27 POINTS AND BRAINLY IF CORRECT

Mathematics

2 answers:

marshall27 [118]2 years ago

5 0

Answer:

132un^2

or 132 units squared

Step-by-step explanation:

I'm going to solve for the areas of all three shapes separately and then add them together.

Triangle 1:

6 * 8 * 0.5 =

Rectangle:

12 * 8 =

Triangle 2:

8 * 3 * 0.5 =

All of them together:

24 + 96 + 12 =

132

Elza [17]2 years ago

3 0

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Answer:

s= 1.401

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How many of the 100 bin A items can be recycled at a specialized center?

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3 years ago

Two of the angles in a triangle measure 15° and 27°. What is the measure of the third angle?

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3 years ago

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.

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3 years ago

Read 2 more answers

11. The probability that a dessert sold at a certain cafe contains chocolate is 75%. The probability that a dessert containing c

raketka [301]

probability that a dessert sold at a certain cafe contains chocolate is 86%.

The probability that a dessert containing chocolate also contains nuts is 30%.

Find the probability that a dessert chosen at random contains nuts given that it contains chocolate

P(nuts given chocolate) = .30/.86 = .349 or 34

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3 years ago