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lubasha [3.4K]
3 years ago
14

What is the scale factor of this dilation?

Mathematics
2 answers:
maw [93]3 years ago
6 0

Answer: 2 over 1

Step-by-step explanation: Division and cause i am in Honors Geometry high school

DedPeter [7]3 years ago
4 0

Answer: The scale factor of dilation is 2:1

Step-by-step explanation: You can see that the sides of the blue triangle are of lenght 4 and 3, and for the red triangle, the lenghts are 8 and 6 (so the lenghts are doubled)

Here we can see that the dilation has a factor of dilation = 2  (meaning that the red triangle sides have  two times the lenghts of the blue triangle sides). The factor can be written as 2:1

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Joseph and Wendy were catching tadpoles. At first Wendy caught nine times three more than Joseph caught. Joseph was upset and re
Dmitriy789 [7]

Answer:

Joseph caught 7 tadpoles

Step-by-step explanation:

Let the number of tadpoles caught by Joseph be x

The number of tadpoles Wendy caught will be ;

9(x + 3)

After Joseph was upset, he released half of Wendy’s tadpole and then six times as many as Joseph caught swam away leaving Wendy with only three tadpoles left;

Hence, mathematically;

9(x + 3)/2 - 6x = 3

Multiply through be 2

9(x + 3) - 12x = 6

9x + 27 -12x = 6

9x -12x = 6-27

3x = 21

x = 21/3

x = 7

6 0
3 years ago
The main cable of a suspension bridge forms a parabola, described by the equation y = a(x - h)2 + k, where y is the height in fe
nirvana33 [79]
Refer to the diagram shown below.

When x = 30 ft, the cable is at 15 ft, therefore y(30) = 15.
That is,
a(30 - h)² + k = 15            (1)

Also, because the distance between the supports is 90 ft, therefore
y(0) = 6 ft, and y(90) = 6 ft
That is,
a(-h)² + k = 6                 (2)
a(90 - h)² + k = 6          (3)

From (2) and (3), obtain
a(90 - h)² = ah²
90² - 180h + h² = h²
180h = 90²
h = 45 ft.

From (1) and (2), obtain
225a + k = 15
2025a + k = 6

Therefore
1800a = -9
a = - 0.005
k = 15 - 225(-0.005) = 16.125 ft

Answer:
The equation for the cable is
y = - 0.005(x - 45)² + 16.125 

A graph of the solution verifies that the solution is correct.

6 0
3 years ago
Read 2 more answers
Help...please it’s due in 35 minutes
loris [4]

Answer:

a) 3/2 b) 5/1 c) Nathan

Step-by-step explanation:

it is Nathan because he runs 5 meters every second and Jay only runs 1.5 meters every second. hope this helps.

6 0
3 years ago
Mean starting salary was $93,000, with a standard deviation of $17,000. What is the 95% confidence interval for the average star
SpyIntel [72]

Answer:

1

Step-by-step explanation:


4 0
3 years ago
Salut! <br> |4x^2+9x-9|=0 <br> X= ? <br> Multumesc in avans :D
Afina-wow [57]
X=3 or -3/4.<span>Îmi pare rău că nu mi-am arătat munca</span>
8 0
3 years ago
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