What is the rule for the reflection?

Mathematics

1 answer:

nataly862011 [7]4 years ago

8 0

Answer:

Rules for Reflections

Step-by-step explanation:

hope this helps :)

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If you flip two coins 96 times what is the best prediction for the number of times they would both land on tails

emmainna [20.7K]

Flipping two coins gives four possibilities: HH, HT, TH, TT

So P(TT)=1/4

So we'd expect a quarter of the trials to be two tails.

$\frac 1 4 \times 96 = 24$ trials expected to be two tails.

5 0

3 years ago

The smaller of two consecutive even integers is two more than half of the greater. find the two integers.

lana [24]

Greetings and Happy Holidays!

Let x represent the smaller, even integer.
Let (x+2) represent the larger, even integer.

We can create an algebraic equation to solve for the numbers:
$x=\frac{(x+2)}{2}+2$

Simplify:
$x=\frac{1}{2}x+1+2$

$x=\frac{1}{2}x+3$

Add $\frac{-1}{2}x$ to both sides:
$(x)+(\frac{-1}{2}x)=(\frac{1}{2}x+3)+(\frac{-1}{2}x)$

$(\frac{1}{2}x)=3$

Divide both sides by $\frac{1}{2}x$
$\frac{\frac{1}{2}x}{ \frac{1}{2}}=\frac{3}{\frac{1}{2}}$

$x=\frac{3}{1}(2)$

$x=\frac{6}{1}$

The Answer Is:
$\boxed{x=6}$
and
$x+2=6$
$\boxed{x=8}$

The two consecutive even integers are 6 and 8.

I hope this helped!
-Benjamin

8 0

3 years ago

Whats the value of this expression when b=5 <br><br> 6(2b-4)

slamgirl [31]

Answer:

Step-by-step explanation:

Substituting the value of b into the expression (not equation!), we get:

6(2*5-4)

Then, simplifying the expression we get:

6(10-4)

6(6)

Hope this helps!