2 years ago

Is ΔABC ~ ΔDEF? Explain.

1 answer:

6 0

Step-by-step explanation:

This is because the triangle doesn't have any change in the specifications on the sides of the triangle of the angle inside them. they are just translates ( moved by units ) to a different place thus they still do remain congruent

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Mike is installing weatherstripping around a window that measures 3.5 ft x 4.5 ft. How much weatherstripping will he need?

Juli2301 [7.4K]

3.5 * 2 + 4.5* 2 = 16

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2 years ago

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The equation 1.5r+15=2.25r1.5r+15=2.25r represents the number rr of movies you must rent to spend the same amount at each movie

Lelu [443]

1.5r+15=2.25r
Combine like terms: 1.5r+15-1.5r=2.25r-1.5r
15=0.75r
Get the unknown alone: 15/.75=.75/.75r
20=r or r=20 :)

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2 years ago

Mei and Anju are sitting next to each other on different horses on a carousel. Mei's horse is 3 meters from the center of the

SOVA2 [1]

Answer:

$2\pi \approx 6.28\ meters$

Step-by-step explanation:

Mei's horse is 3 meters from the center of the carousel. After one rotation, Mei travelled

$l_M=2\pi r=2\pi \cdot 3=6\pi\ meters$

Anju's horse is 2 meters from the center. After one rotation, Mei travelled

$l_A=2\pi r=2\pi \cdot 2=4\pi\ meters$

The difference in their travelled distances is

$l_M-l_A=6\pi -4\pi =2\pi \approx 6.28\ meters$

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S is the centroid of triangle XYZ. What is the length of SW? 5 units 11 units 22 units 28 units

Novay_Z [31]

11 units is the correct answer to this question.

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Mr. Hou put students names in a hat and selected file names without looking. What type of sample did he preform?

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Step-by-step explanation:

The answer is A. The answer is A because the teacher put names in a hat without looking. That narrows down the answer to A and B. Since he didn't do it in a special scientific way the answer is A

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