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andre [41]
3 years ago
10

The smaller triangle is a dilation of the larger triangle with a center of dilation at (2,−1) .

Mathematics
2 answers:
Doss [256]3 years ago
5 0
Your answer would be B
Stolb23 [73]3 years ago
5 0

Answer:

1/2

Step-by-step explanation:

dilation often means multiplying. it says "dilation of the larger triangle"

the larger triangle has a side of 6 units.

the smaller triangle has a side of 3 units.

if you multiply 6 by 0.5, you get 3.

even though the number gets smaller, you are still multiplying.

now, if it said "dilation of the smaller triangle," we'd have a different answer. in that case, we would have to divide 6 by 3 to get 2.

the answer is 1/2

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The boys kept adding sand, and ten minutes later the volume of the sand cone had increased by 30%. What is the exact volume of t
RideAnS [48]

Answer:

a) 84π b) 109.2π

Step-by-step explanation:

The formula to find this is v=πr^2h/3

r=d/2. so the radius (r) is 6 because you have to divide the diameter (12) by 2. and the height is 7. so, 6^2=36 and 36x7=252.

252/3=84

and because the question is asking for the EXACT value, you need to just put the pi symbol next to it. Final answer for a is 84π

B) you need to find 30% of 84, which is 25.2 and add it to 84, and you will get 109.2! Final answer is 109.2π.

5 0
3 years ago
Answer this for branlist if get right
dusya [7]

Answer:

The median and IQR

Step-by-step explanation:

4 0
2 years ago
I will give you brainliest! A point lies in quadrant 2. If it is rotated 180 degrees counterclockwise, which quadrant will the p
Leviafan [203]

180 degree rotation negates both coordinates, and takes a point from quadrant 2 to quadrant 4.

Answer: 4

We can also rotate 180 degrees clockwise, or 540 degrees counterclockwise and end up in the same place.

Combining transformations, we can reflect in the x axis and then in the y axis, also negating both coordinates so equivalent to 180 degree rotation.

7 0
3 years ago
Assume there are 365 days in a year.
Dahasolnce [82]
The chance of student 1's birthday being individual is 365/365 or 100%.
Then the chance of student 2's birthday being different is 364/365.
Then it's narrowed down to 363/365 for student 3 and so on until you get all 10 students.
If you multiply all these values together, the probability would come out at around 0.88305182223 or 0.88.

To get all the same birthday you'd have to the chance of one birthday, 1/365 and multiply this by itself 10 times. This will produce a very tiny number. In standard form this would be 2.3827x10'-26 or in normal terms: 0.23827109210000000000000000, so very small.
4 0
3 years ago
12. Cr
Zigmanuir [339]

The converted the percentage to a decimal the wrong way.

Move the decimal point 2 places to the left.

6.5% as a decimal is 0.065

525.05 x 0.065 = 34.13

X = 34.13

4 0
3 years ago
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