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Leni [432]
2 years ago
13

How can a translation and reflection be used to map HJK to LMN?

Mathematics
2 answers:
PolarNik [594]2 years ago
6 0

Answer:

The figure HJK translated upward and then reflected across the vertical line which is passes through the mid point of JN.

Step-by-step explanation:

Given information:

JK=MN

\angle K=\angle N

HK=LN

By SAS postulate,

\triangle HJK=\triangle LMN

Translation is a rigid transformation, it means the size and shape of the figure is same as the image but it moves from one place to another place.

The triangle LMN is slightly above than HJK ,so the figure HJK translated upward.

Now triangle HJK is mirror image of triangle LMN across the vertical line which is passes through the mid point of JN. So, the triangle reflected across the vertical line which is passes through the mid point of JN.

Therefore the figure HJK translated upward and then reflected across the vertical line which is passes through the mid point of JN.

Furkat [3]2 years ago
3 0
First hjk undergoes translation that make it goes upward. then they reflect to become lmn
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Brittany needed new tires for her truck. She went to the auto shop and bought 4 tires on sale for $85.95 each. The salesman told
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Answer:

Answer: $109.99

Step-by-step explanation:

The total amount saved, $96.16, should be divided by the number of tires, 4. The answer is $24.04. Add $24.04 to the price of a single tire, $85.95, and the answer is $109.99, the original price of one tire.

4 0
2 years ago
The cost of phone is reduced by 30% new cost is 116.83 what was the original price of the phone
slava [35]

Answer:

p = $116.83/0.70 = $166.90

Step-by-step explanation:

let p represent the original price.  Then:

(1.00 - 0.30)p = $116.83, or

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3 0
2 years ago
What are the coordinates of the circumcenter of this triangle? Enter your answer in the boxes.
Juliette [100K]

Answer:

(2,1)

Step-by-step explanation:

We can see  that the given triangle.

The coordinates of A are (-1,5) .

The coordinates of B are (-1,-3).

The coordinates of C are  (5,-3).

Distance formula: \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

AB=\sqrt{(-3-5)^2+(-1+1)^2}=8 units

BC=\sqrt{(5+1)^2+(-3+3)^2}=6 units

AC=\sqrt{(5+1)^2+(-3-5)^2}=10 units

Pythagoras theorem:(Hypotenuse)^2=(Base)^2+(Perpendicular\;side)^2}

AB^2+BC^2=8^2+6^2=100

AC^2=(10)^2=100

Therefore, AC^2=AB^2+BC^2

When a triangle satisfied the Pythagoras theorem then, the triangle is right triangle.

Hence, the given triangle is  a right triangle.

We know that circum-center of right triangle is the mid point of hypotenuse.

Mid-point formula:x=\frac{x_1+x_2}{2},y=\frac{y_1+y_2}{2}

Using this formula then, we get

Mid-point of hypotenuse AC is given by

x=\frac{-1+5}{2}=2,y=\frac{5-3}{2}=1

Hence, the circum-center of triangle is (2,1).

7 0
2 years ago
Suppose a1=12−12,a2=23−13,a3=34−14,a4=45−15,a5=56−16. a) Find an explicit formula for an: . b) Determine whether the sequence is
lorasvet [3.4K]

I'm going to assume you meant to write fractions (because if a_n are all non-negative integers, the series would clearly diverge), so that

a_1=\dfrac12-\dfrac12

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and so on.

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b. Note that we can write a_n as

a_n=\dfrac{n-1}{n+1}=\dfrac{n+1-2}{n+1}=1-\dfrac2{n+1}

The series diverges by comparison to the divergent series

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2 years ago
SOLVE PLEASE Sarah must maintain a balance of at least $500 in her checking account to avoid finance charges. If her current bal
dem82 [27]
So since her balance must be at least 500, her ballance cannot reach 500
so 794-500=294
see how many 25's you can fit into 294
we know that 4 25's =100 and 294 is roughly 300
so 4 times 3=12
we minus one of the 25's because 294 is less than 300 so
the innequality is
>means more than
794-25x>500
5 0
2 years ago
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