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denpristay [2]
3 years ago
7

Help please with math

Mathematics
1 answer:
yuradex [85]3 years ago
5 0

Here you go, sometimes, quizlet is there with just the right info. Ur welcome.

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Which figures have rotation symmetry?<br> Select each correct answer
goblinko [34]

Answer:

The both on the right are the correct answers

Step-by-step explanation:

This is because rotational symmetry is defined as the property a shape has when it looks the same after some rotation by partial turns.

8 0
3 years ago
The difference between the square roots of a number is 30. what is the answer?
Sveta_85 [38]
Since 30 is not a square root you would use the closest square roots √25 and √36 which makes your answer 5 and 6
6 0
2 years ago
Todd is 81 years younger than Rosa. 3 years ago, Rosa’s age was 4 times Todd’s age. How old is Todd now?
Delvig [45]
Let t represent Todd's age now.
.. 4(t -3) -(t -3) = 81 . . . . . . 3 years ago, their differnce in ages was 81.
.. 3t -9 = 81
.. t = (81 +9)/3 = 30

Todd is 30 now.

_____
You can also work this by considering "ratio units." 3 years ago, the ratio of their ages was 4:1, a difference of 3. That difference corresponds to 81 years, so each "ratio unit" represents 81/3 = 27 years. Todd's age then was 1 ratio unit, 27 years. Now, Todd's age is 30.
8 0
3 years ago
A trail is 2 miles long. There is a marker every 1/8 mile. How many markers are there?
attashe74 [19]

Answer:

16

Step-by-step explanation:

Number of Markers =

2 \div  \frac{1}{8}  \\  = 2 \times 8 \\  = 16

8 0
3 years ago
Choose the set of equations that best represent the following information:
Mandarinka [93]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
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