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prisoha [69]
3 years ago
11

Help meeee pleaseeeeee

Mathematics
1 answer:
Leto [7]3 years ago
5 0

Answer: B, angle 1 and angle 7.

Step-by-step explanation: Of all the options provided, B is the only one where the the two angles are not congruent to each other. Also, same side interior angles are congruent, so...

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Tomas learned that the product of the polynomials (a + b)(a2 – ab + b2) was a special pattern that would result in a sum of cube
kvasek [131]

Answer:

C

Step-by-step explanation:

Tomas learned that

a^3+b^3=(a+b)(a^2-ab+b^2)

If a=2x,\ b=y, then

a^3+b^3\\ \\=(2x)^3+y^3\\ \\=((2x)+y)((2x)^2-(2x)y+y^2)\\ \\=(2x+y)(4x^2-2xy+y^2)

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3 years ago
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A gardener wants to know if soaking seeds in water before planting them increases the proportion of seeds that germinate. To inv
juin [17]

Answer:

d. I and III only

Step-by-step explanation:

I. The seeds should be randomly assigned to a treatment.

III. The number of successful seeds and unsuccessful seeds in each group should be at least 10.

The distribution of difference between two sample proportions :

Given :

Proportion 1 = P1 ;

Proportion 2 = P2 ;

Sample assignment for both samples 1 and 2 into the different treatment groups should be randomized, that is a simple random sampling of subjects into the treatment and control group. The sample design for difference between two sample proportions should be independent.

Finally each of the two proportions P1 and P2 should record a minimum of 10 successes and 10 non - successful Occurrences.

3 0
3 years ago
Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the proba
Llana [10]

The "successful" region has half the size of the whole triangle, so by similar triangles, the probability that the area of triangle XYD is at most 12 is 1/4.

8 0
3 years ago
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Please help asap. 50 pts
Mariulka [41]
36y^2-84y-147=3(12y^2-28y-49)=3(12y^2-42y+14y-49)\\\\=3[6y(2y-7)+7(2y-7)]=3(2y-7)(6y+7)
\boxed{Answer:\ B.\ 3(2y-7)(6y+7)}

4 0
4 years ago
Suppose a sequence begins with 1, 3 and continues by adding the previous two numbers to get the next number in the sequence. In
Sauron [17]
47 because start at 1 and 3 add the two together and then that is how you get the next number in this sequence . Which is 4+previous nunber which is 3= 7 
7+4=11, 11+7=18 11+18=29 , and 18+29=47 
Does this help you any 
8 0
3 years ago
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