2 years ago

Can someone pleasseeee answer this

Mathematics

1 answer:

Ganezh [65]2 years ago

3 0

Domain - -9-9
Range is the same i think been a while since i have done this

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Three lights all go on one changes every 5 sec one every 6 sec one every 8 sec when will they all go on together

inysia [295]

In order to calculate, you need to find their LCM
LCM of 5,6 and 8 is equal to 120

So, That time will be 120 sec = 2 min.
In short, Your Final Answer would be 2 min.

Hope this helps!

3 0

3 years ago

Katherine buys a tv with a normal price of $200 and she has a 25% off coupon. How much money did she save????

andrey2020 [161]

Given:

Normal price of a tv = $200

Coupon = 25% off

To find:

The money saved by Katherine.

Solution:

Katherine buys a tv with a normal price of $200 and she has a 25% off coupon. It means, the money saved by Katherine is 25% of normal price of tv, i.e., $200.

$Saving=25\%\text{ of }200$