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I am Lyosha [343]
3 years ago
13

Instructions: Given the figure, what is the angle of rotational symmetry?

Mathematics
1 answer:
lozanna [386]3 years ago
5 0

Answer:

90 degrees

Step-by-step explanation:

the right angles in the top right and bottom left mean its a square

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VUTI LLIUI 3.2 Mullework Score: 0.2 of 1 pt 18 of 30 (30 complete) HW Score: 68.52%, 20.56 of V3.2.31 Question Help The weight o
antiseptic1488 [7]

Answer:

VUTI LLIUI 3.2 Mullework Score: 0.2 of 1 pt 18 of 30 (30 complete) HW Score: 68.52%, 20.56 of V3.2.31 Question Help The weight of an organ in adult males has a bell-shaped distribution with a mean of 340 grams and a standard deviation of 15 grams. Use the empirical rule to determine the following. (a) About 99.7% of organs will be between what weights? (b) What percentage of organs weighs between 325 grams and 355 grams? (c) What percentage of organs weighs less than 325 grams or more than 355 grams? (d) What percentage of organs weighs between 325 grams and 385 grams? (a) and grams (Use ascending order.)

​

Step-by-step explanation:

4 0
3 years ago
assume the substance has a half-life of 11 years and the initial amount is 126 grams.How long will it be until only 15 % remains
Mumz [18]
(126) times (1/2 to the x/11 power) = 15% times 126

(1/2) to the x/11 power = 0.15

Take the log of both sides :

(x/11) times log(1/2) = log(0.15)

Multiply both sides by 11 :

'x' times log(1/2) = 11 x log(0.15)

Divide both sides by " log(1/2) " :

x = 11 x log(0.15)/log(1/2) = <em><u>30.107 years</u></em> (rounded)

That's the time it takes for <em><u>any-size</u></em> sample of this substance
to decay to 15% of its original size.


5 0
3 years ago
A percent measures a rate
OlgaM077 [116]

answer = no it does not measure a rate

7 0
3 years ago
Read 2 more answers
A train traveled 300 miles in 5 hours. find its rate of speed in miles per hour.
melomori [17]

Answer:

60 miles per hour

Step-by-step explanation:

Speed = \frac{Distance}{Time}

You divide 300 by 5 and you get 60. You always need to divide the upper part to the lower part to reach the distance in ONE UNIT OF TIME. There, you have 5 seconds, yet you need the distance in 1 second.

This all is assuming that the train moved at a constant speed, where

ACCELERATION = 0, which is pretty improbable for a train.

8 0
3 years ago
Calculate the speed at the edge of a disc of radius 8.5 cm that rotates at the rate of 2.5 rev/s.
Zina [86]

Answer:

11 m/s

Step-by-step explanation:

cause 8.5 add 2.5 then 11 then m/s

6 0
1 year ago
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