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maw [93]
2 years ago
15

Given the polynomial expression 3x^2 + 3bx - 6x - 6b, factor completely.

Mathematics
1 answer:
My name is Ann [436]2 years ago
3 0
The answer is 3 (x+b) (x-2)



Yw! :)
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Noah gathered data at his school among 7th and 8th graders to see if there was an association between grade level and handedness
mash [69]

Answer: 4) 157

Step-by-step explanation:

We know that there is no association between the grade level and the andedness, then we should find that the ratio between left handeds and right handed is the same for both grades.

In 7-th grade we have:

Left handed : 11

Right handed: 72

The ratio is 11/72 = 0.14

Then, the ratio for the 8-th graders must be about the same:

Left handed: 24

Right handed: X

Ratio: 24/X

Let's start with the bigger option, X = 157.

24/157 = 0.15

Ok, we now see that with the bigger option we obtained almost the same ratio (if we use the smaller values for X, we will get a ratio bigger than 0.15, so 0.15 is the better aproximation that we can find to the 0.14 of the 7-th graders)

Then the correct option is 4) 157

4 0
3 years ago
What is the frequency of the function y = -5cos6x? <br> a. -5/6 <br> b. 1/6 <br> c. 5 <br> d. 6
olasank [31]
The answer to your question is b
4 0
3 years ago
The distribution of the amount of money spent by first-time gamblers at a major casino in las vegas is approximately normal in s
Lostsunrise [7]

Solution: We are given:

\mu=600, \sigma =120

We need to find the z value corresponding to probability 0.84, in order to find the how much money almost 84% of gamblers spent at casino.

Using the standard normal table, we have:

z(0.85) = 0.9945

Now we will use the z score formula to find the required amount:

z=\frac{x-\mu}{\sigma}

0.9945=\frac{x-600}{120}

0.9945 \times 120 = x - 600

119.34 = x - 600

x = 600 + 119.34        

x = 719.34

x = 720 approximately

Therefore, almost 84% of gamblers spent more than $720 amount of money at this casino.

5 0
3 years ago
I don't understand my math class..and she left me with this problem. So how do I solve this?
Igoryamba
The triangle has to equal to 180. So add them up and equal it to 180
4 0
3 years ago
consider the polynomial equation x(x-3)(x+6)(x-7)=0. which of the following are zeros of the equation? select all that apply.
o-na [289]
The zeros are 0, 3, -6 and 7.
7 0
3 years ago
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