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Dimas [21]
3 years ago
10

Answer the following questions:

Mathematics
1 answer:
Fofino [41]3 years ago
8 0
For binomials raised to exponent 2, the answer would follow the steps: 1. square the first term. 2. multiply by 2 the product of the two terms. 3. square the last term. 

1. x² - 10 + 25
2. x² + 6x + 9
3. x² - 25
4. 16x² - 24xy + 9y²
5. 4x² + 20xy + 25y²
6. 4x² - 25y²
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la cancha de futbol del colegio es de forma rectangular, pedro es el cargado de colocar un lazo alrededor para que nadie entre a
Sonbull [250]

Answer:

328 metros

Step-by-step explanation:

Aquí, estamos interesados ​​en colocar un bucle alrededor de un campo de fútbol de la escuela de manera que sea imposible que alguien pueda acceder al campo.

Matemáticamente, la longitud de este bucle sería igual al perímetro del campo.

El perímetro del campo rectangular se puede calcular usando la fórmula; 2 (L + B)

En este caso tenemos; P = 2 (100 + 64)

P = 2 (164)

P = 328 metros La longitud del bucle es de 328 metros.

7 0
3 years ago
Help me with number 3, ill do the rest ty :(((
sesenic [268]
3a. Data Set A has more numbers between the range 20-30 so we can say that it is skewed to the right (the tail is on the right side and majority of the data set is on the left). For Data Set B, we can see that most of the numbers lie in the center so it would more or less be normally distributed.

3b. The best measure of center for Data Set A is the median since it is skewed and therefore the value of the mean would be influenced by the extremes. For Data Set B, the mean will do just fine since it is normally distributed.

3c. The interquartile range would be better for Data Set A since the IQR is not affected by outliers and Data Set A has an extreme value (55) while the standard deviation would do just fine for Data Set B since the data is normally distributed therefore the standard deviation could be properly interpreted.
4 0
3 years ago
Justin gave the clerk $20 to pay a bill of $6.57. How much change will Justin get
IceJOKER [234]

Answer:

13.43$

Step-by-step explanation: just subtract 20-6.57

hint hint u can also use  a calculatr


4 0
4 years ago
Read 2 more answers
Y varies directly as x, and y = 55 when x = -5.
charle [14.2K]

Answer:

Step-by-step explanation:

I'm not sure what you are asking here????

5 0
3 years ago
Which of the following best describes these estimates
Zolol [24]

H. they are rounded to yhe nearest 5,000 years

8 0
3 years ago
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