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VikaD [51]
3 years ago
12

The picture shows square JKLM and the dimension of rectangle RSTU.

Mathematics
2 answers:
finlep [7]3 years ago
8 0
<span>If the perimeters of these two quadrilaterals are equivalent, what is the length of</span>
alexandr402 [8]3 years ago
8 0
RSTU=7+5+7+5 so the perimeter is 24.

JKLM is a square so all the sides are the same---- the perimeter is 24... so JK=6
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2 years ago
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NNADVOKAT [17]
<span>3 – (n – 1) = 1/2(3n – 4)

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4 0
3 years ago
Read 2 more answers
a car traveling at 30 m/s starts to decelerate steadily. it comes to a complete stop in 12 seconds. what is its acceleration?
creativ13 [48]
Just divide -30 m/s (the change in velocity) by 12 seconds (the time required for the car to come to a stop):

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5 0
3 years ago
What is the radius of circle c
Oxana [17]

Answer:

radius = 13

Step-by-step explanation:

Look at the attached picture below. We can calculate radius with the help of the Pythagorean theorem. But first we have to find out the values of the two legs.

First let's find the shorter leg.

<u>Equidistant Chords Theorem</u>

Two chords are congruent if they are equidistant from the center.

Chords in the picture are congruent and that means that the distance from the center to each of them is the same!

Let's calculate the distance. But to get the distance we have to find x first.

Since the distances are the same:

x + 3 = 2x + 1\\2 = x

Therefore:

\text{distance (short leg)} = 2x + 1 = 2\cdot2 + 1 = 5

Let's focus on the longer leg. Since part of the radius is perpendicular to the chord, it actually bisects the chord! That means that the long leg is going to be a half of the length of the chord.

Therefore:

\text{long leg} = \frac{\text{chord}}{2} = \frac{24}{2} = 12

All that is left is the Pythagorean Theorem in the right triangle.

<u>Pythagorean Theorem</u>

\text{hypotenuse}^2 = \text{leg}_1^2 + \text{leg}_2^2

Hypotenuse in our case is the radius.

\text{radius}^2 = 5^2 + 12^2\\\text{radius}^2 = 25 + 144\\\text{radius}^2 = 169\\\text{radius} = 13

7 0
2 years ago
The equation and answer
dolphi86 [110]

Answer:

The correct answer is 47 degrees.


Step-by-step explanation:

Use cosine.

cos(x)= adj/hyp

cos(x)=19/28

x=arccos(19/28)

Use a calculator

x is approximately 47 degrees.


8 0
3 years ago
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