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8090 [49]
3 years ago
14

pls help Using the pattern learned for the square of a binomial, square (3x-5y^2) Explain the pattern.

Mathematics
1 answer:
Bess [88]3 years ago
6 0

Step-by-step explanation:

The binomial square product states that

(x  -  y) {}^{2}  = x {}^{2}   -  2xy +  {y}^{2}

So this means

If there a coefficient in front of x are y, we multiple them as well.

In terms, this means that a binomial squared is equal to

The first term squared + the two terms multiplied together and by 2 + the last term squared.

(3x - 5y {}^{2} ) {}^{2}  = 9 {x}^{2}  - 30xy {}^{2}  + 25 {y}^{4}

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-9x-5=-95<br> Please help!
lesantik [10]

-9x - 5 = -95

-9x = -95 + 5

-9x = -90

x = -90/-9

x = 10

Please mark as the Brainliest!

7 0
3 years ago
1.1.1 Write the total number of winners in the correct South African number format. <br>​
prohojiy [21]

Answer:

As of February 2022, South Africa has played 449 Test matches resulting in 171 victories, 154 defeats and 124 draws for an overall winning percentage of 38.08. Statistics are correct as of South Africa v New Zealand at Hagley Oval, 1st Test, 17-19 February 2022.

Format

The way that something appears or is set out.

4 0
3 years ago
Read 2 more answers
Please help with these few questions
Tasya [4]

Answer:

Please help with these few questions

6. Use the picture to find the following angle measures.

9. Write a two -column proof for the following :

Given: angle1 and angle2 form a linear pair and m angle1= 2(m angle2)

Prove : m angle2 =60

10. Write a two-column proof for the following:

Given : AB = CD , AB = 4x + 1, and CD = 6x - 13

Prove: x = 7

Step-by-step explanation:

Please help with these few questions

6. Use the picture to find the following angle measures.

9. Write a two -column proof for the following :

Given: angle1 and angle2 form a linear pair and m angle1= 2(m angle2)

Prove : m angle2 =60

10. Write a two-column proof for the following:

Given : AB = CD , AB = 4x + 1, and CD = 6x - 13

Prove: x = 7

5 0
3 years ago
Are avid readers more likely to wear glasses than those who read less frequently? Three hundred men in Ohio were selected at ran
lawyer [7]

Answer:

Option C

Step-by-step explanation:

Given that three hundred men in Ohio were selected at random and characterized as to whether they wore glasses and whether the amount of reading they did was above average, average, or below average. The results are presented in the following table.

H0: There is no association between the amount of reading and wearing glasses

Ha: There is  association between the amount of reading and wearing glasses

(Two tailed chi square test)

 25 12.5 12.5

Above avg. Avg. Below avg Total

Yes 47 48 31 126

No 26 78 70 174

73 126 101 300

   

Contingency table    

   

Above avg. Avg. Below avg Total

Yes 30.66 52.92 42.42 126

No 42.34 73.08 58.58 174

73 126 101 300

   

   

Chisquare 8.708271363 0.457414966 3.074408298 12.24009463

6.305989608 0.331231527 2.226295664 8.863516799

   21.10361143

df = 2

Test statistic = 21

Option c

8 0
4 years ago
Is counterclockwise around the triangle with vertices (0, 0), (1, 0), and (1, 4)?
lubasha [3.4K]
Strange question but I'd say yes as you move point to point.    


4 0
3 years ago
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