55=5*11
44=4*11
gcf=11
11(5)+11(4)=11(5+4)
the numbers inside are 5 and 4
<span>The
GCF of the numbers in the expression (55 + 44) is <u>11</u>. The numbers
left inside the parentheses after factoring out the GCF are <u>5</u> and <u>4</u>.
</span>
Answer:
4.

Step-by-step explanation:

Using Quadratic Formula


Solving the discriminant:



Once 

Dividing the denominator and numerator by 6

Now rewrite it:


or

Answer:
y=7.5
Step-by-step explanation:
25y -15y =75
10y=75
y=7.5
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Answer:
The frequency is 3 more than expected
Step-by-step explanation:
There are 3 favourable outcomes: {2, 4, 6}
There are 6 possible outcomes: {1, 2, 3, 4, 5, 6}
probability of the number cube landing on an even number = favourable outcomes / possible outcomes = 3/6 = 1/2
If the cube is rolled 30 times, it is expected that in 1/2*30 = 15 times landed on an even number. The frequency: 18 is 3 more than expected