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sweet-ann [11.9K]
3 years ago
15

Determine the scale factor of Triangle KJL to Triangle QPR. Help ASAP I need a good grade!

Mathematics
1 answer:
Aneli [31]3 years ago
8 0

Answer:

scale factor = \frac{1}{2}

Step-by-step explanation:

The scale factor is the ratio of corresponding sides, image to original, that is

\frac{QP}{KJ} = \frac{8}{16} = \frac{1}{2}

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If the endpoints of the diameter of a circle are (−8, −6) and (−4, −14), what is the standard form equation of the circle?
zlopas [31]
The standard form of a circle is (x-h)+(y-k)^2=r^2

h and k represent the center of the circle and to find the center you have to find the midpoint of the two endpoints.
the midpoint formula states to find the average of the x values and the y values (to find the average you add the terms together and divide by however many you have.. In this case add the two x/y terms and divide by 2).

the midpoint is (-6,-10) which means that the standard form would be 
(x+6)^2+(y+10)^2=r^2

but you still have to find the measure of r, the radius. So you'd use the distance formula to find the diameter and divide by 2 to find the radius.
distance formula is d=√(x-x)²+(y-y)²
so the diameter is 4√5, divide by 2 and the radius is 2√5

3 0
3 years ago
Read 2 more answers
Do 4x and 15+x have the same value when x is 5?
Vladimir79 [104]

Answer:

1. yes 2. no

Step-by-step explanation:

Hi there!

When x is equal to 5, 4x and 15+x have the same value because 4*5= 20 and 15+5 = 20.

4x and 15+x are not equivalent expressions because they cannot be simplified to create the same expression nor will they produce the same answer every time.

I hope this helps!

6 0
3 years ago
Change 1/5 to a decimal with work shown
uranmaximum [27]

Answer:

.2

1/5=2/10 2/10=.2

7 0
3 years ago
Read 2 more answers
Please give me the correct answer ​
Serjik [45]

Answer:

2nd

Step-by-step explanation:

the 1st one and the 3 one dosent give you any answers or clues and the answer wrong :)

3 0
3 years ago
Find the midpoint of the segment between (6,7) and (6,-5)
Norma-Jean [14]

Answer:

(6,1)

Step-by-step explanation:

midpoint = ((x2+x1),(y2+y1)/2)

= (6+6)/2, (-5+7)/2

= 12/2, 2/2

= 6,1

3 0
3 years ago
Read 2 more answers
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