Help with #8 and show me how u did it explain !!!

Answers

Answer 1

Answer: percent decresase=decrease/original

decrease=264
orginal=1200
percent decrease=264/1200=0.22=22%

answer is 22% decrease

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yesterday Bethany sent 60 text messages she said that 50% of those messages were to her best friend how many text messages did Bethany send to her friend yesterday

Answers

50% of 60 is 30 so 30 messages.

30 of course its is really easy

What is the lcm of 12 and 24

Answers

The LCM (Lowest Common Multiple) of 12 and 24 is 24. :)

Hope this helps!

What is the discriminant of the quadratic equation 3 - 4x = -6x^2-68
-56
76
88

Answers

Answer: B) -56

Step-by-step explanation: In a quadratic equation, the discriminant helps tell you the number of real solutions and it is:

$b^(2) -4ac$

To calculate the discriminant of the given equation, we need to write it in the standard form (we equal it to zero):

$6x^(2) -4x+3=0$

here we can see that a=6; b=-4; and c=3

so the discriminant would be:

$(-4)^(2) -4*6*3$ =

16-72=-56

The discriminant is -56.

The discriminant is found using

b²-4ac, after the quadratic is in standard form. First, we will add 6x² to both sides to write it in standard form:
3-4x=-6x²
3-4x+6x²=-6x²+6x²
6x²-4x+3=0

We can now see that b=-4, a=6 and c=3:

(-4)²-4(6)(3)
16-72
-56

Explain how you would convert 4meters to millimeters

Answers

"mil" actually means "a thousand" in latin. More crucially, a millimetre is a thousandth of a metre. This means that 4 metres is in fact 4000 millimetres...

$1\quad millimetre\quad =\quad \frac { 1 }{ 1000 } metre\n \n 4000\left( 1\quad millimetre \right) =\quad 4000\left( \frac { 1 }{ 1000 } metre \right) \n \n \therefore \quad 4000\quad millimetres\quad =\quad 4\quad metres$

Since 1 meter equals to 1,000 millimeters because 'milli' means 1,000.If there are 4 meters, then that means multiply it by 4 to the top and bottom.Therfore you would get 4,000 millimeters in 4 meters

At a restaurant after every 12th visit you receive a free drink. After every 15th visit you receive a free dessert. At which visit will you first receive a free dessert and a free beverage?

Answers

On the 60th visit, you will get both free dessert and a free beverage.

What is the pattern?

A pattern is a specific arrangement of numbers or any term which will follow a specific code or hint.

The hint which is present in a given pattern hides in the pattern only.

For example 2,4,6,8 in this, the difference between any two-term is only 2 and this will be its specific pattern.

Another example is 2,4,16,256 in this pattern each term is the square of the previous term and this will become its specific pattern.

Given,

At every 12th visit, we get a beverage

At every 15th visit, we get dessert

So let's say at x visit we get both

So,

x should be a minimum result of multiple of both 12 and 15

So,

12 (5) = 60 and 15(4) = 60

So 60 is the minimum result.

Hence, On the 60th visit, you will get both free dessert and a free beverage.

For more information about the pattern,

brainly.com/question/14013716

#SPJ2

the 60th visit because you have to look for the first same number in a list of the multiples of 12 and 15:)

What is the best estimated for the sum of 3/8 and 1/12

Answers

estimation involves rounding
3/8 is closest to 4/8 which is 1/2, or 6/12
6/12 + 1/12 = 7/12
that is the estimated answer

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