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vaieri [72.5K]
3 years ago
6

20 points! If a translation maps ∠D onto ∠B, which of the following statements is true?

Mathematics
2 answers:
Fittoniya [83]3 years ago
8 0

Answer:

<E = <A

Step-by-step explanation:

If <D maps onto <B the triangles are similar

CDE is similar to CBA

That means The angles are congruent and the sides are proportional

<C = <C

<D = <B

<E = <A

The sides are not congruent but proportional (In a ratio)

CD    CE        DE

----- = ------ = -----

CB     CA      BA

madam [21]3 years ago
5 0
C
The two triangles are similar — that is, the three angles in triangle EDC correspond to those in ABC
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Umnica [9.8K]

Answer:

6% of the changes were from incorrect to​ incorrect

Step-by-step explanation:

The sum of the percentages must be 100%.

We have these following percentages

65​% of the changes were from incorrect answers to correct

29​% were from correct to incorrect

P% were from incorrect to incorrect

So

65 + 29 + P = 100

P = 100 - 94

P = 6

6% of the changes were from incorrect to​ incorrect

7 0
3 years ago
A jewelry designer is making a pendant. The pendant will be a circular dis (center O) with a circular hold cut out of it, as sho
antoniya [11.8K]

Answer:

2884.8 millimeters squared

Step-by-step explanation:

Given:

The radius of the disc is 35 millimeters, so the area of it is:

πr^{2} = 3.14*35^{2} = 3846.5

Then, we find out the area of the circular hold cut out of the bigger one, its radius is a haft of the radius of the bigger circle = 35/2 = 17.5

πr^{2} = 3.14*17.5^{2} =961.6

=>  the area of the pendant = 3846.5  - 961.6  =2884.8 millimeters squared

6 0
3 years ago
Are 12x^2y^3z and -45zy^3x2 like terms? explain why or why not.
Alex787 [66]

Here in the second term I am considering 2 as power of x .

So rewriting both the terms here:

First term: 12x²y³z

Second term: -45zy³x²

Let us now find out whether they are like terms or not.

"Like terms" are terms whose variables (and their exponents such as the 2 in x²) are the same.

In the given two terms let us find exponents of each variable and compare them for both terms.

z : first and second term both have exponent 1

x: first and second term both have exponent 2

y: first and second term both have exponent 3

Since we have all the exponents equal for both first and second terms variables, so we can say that the two terms are like terms.

4 0
3 years ago
I really need help with this question answer nowwwwww please someone
natta225 [31]
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gains: 6.4 oz a week
time: 1.5 months

6.4 + 6.4 + 6.4 + 6.4 + 6.4 + 6.4 = 38. 4 oz

38.4 oz = 2.4 punds

7.45 + 2.4 = 9.85
7 0
3 years ago
A rectangle has an area 105 in2 and a length of 7 inches.  What is the length?​
QveST [7]

Answer:

Width is 15in

Step-by-step explanation:

Area=lengthxwidth

105=7w

divide by 7

7 0
2 years ago
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