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kotykmax [81]
2 years ago
6

20. Given circle C with radius r and circle D with radius

Mathematics
1 answer:
damaskus [11]2 years ago
7 0

Answer:

A. Transform circle C with a dilation that has center  C and scale factor s.

Step-by-step explanation:

Given

Circle C

radius = r

Circle D

radius = s

Required

Map C to D

From the question, we can assume that:

r \ne s

This implies that options c and d are false because when an object is translated from one point to another, the size of the object remains unchanged.

To map C onto D,

1) C has to be dilated from its own center C

2) The scale of dilation will be equal to the radius of D (i.e. s)

<em>Hence, (A) is correct</em>

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School pennants cost $18 each. Ms.Lee says she will pay $146 for 7 pennants. Is her answer reasonable?
crimeas [40]

Well, all we have to do to figure out if Ms. Lee’s offer is reasonable is multiply the unit price ($18) by 7

18 x 7 = 126

Since she offered $146, she could actually purchase 8 pennants for $144

Therefore, her answer wouldn’t be reasonable

Hope this helps you

Brainliest would be appreciated!

-AaronWiseIsBae

3 0
3 years ago
11. Mis the midpoint of QR. Q is at (-8, 2) and M is at (4, -3). Find the coordinates of the endpoint R.​
tamaranim1 [39]

Answer:

R(16,-8)

Step-by-step explanation:

if (x1,y1) and (x2,y2) are coordinates of two points and (x,y) the coordinate of midpoint.

then x=(x1+x2)/2

and y=(y1+y2)/2

let coordinates of R are (x,y)

4=(-8+x)/2

8=-8+x

x=8+8=16

-3=(2+y)/2

-6=2+y

y=-6-2=-8

so R is (16,-8)

8 0
3 years ago
2, 8, 9, 20, 22, 25, 5<br> Mean ??<br> Mode ??<br> Median ??
Kobotan [32]

Answer:

the mean is the sum of them all divided by the number of terms.

mean: 13

the mode is the element that occurs MOST in the data set.

mode: none

the median  is the middle value of all of the numbers.

median: 9

6 0
3 years ago
Read 2 more answers
OMG SUPER HARD QUESTION I DONT KNOW
zubka84 [21]

Answer:

1 apple

Step-by-step explanation:

unless you are a psycho who counts the one he ate as still in his possession,

therefore 2 - 1 = 1

hope this helps:)

6 0
2 years ago
If the spinner is spun another 1000 times about how many times would you expect it to land on blue? Frequency of blue is 45
Veseljchak [2.6K]

Answer:

450 considering Blue appears 45 times in 100 spins.

Step-by-step explanation:

Let us assume that frequency of Blue is 45 times in 100 spins.

So we have to calculate the number of times the spinner lands on blue in 1000  spins.

It simply can be calculated as

Expected number of landing on blue:

Expected frequency = probability × number of trials

= (45/100)×1000

= 450 times

So, Expected number of landing on blue = 450

7 0
3 years ago
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