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Vlad [161]
3 years ago
13

What is the factored form of the following expression? x^2-10xy+21y^2

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0
The answer would be (x-3y) (x-7y)
You have to group them together
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Given the equation, y= 1/3 x - 4. what is the slope and the y-intercept?
tamaranim1 [39]

Answer:

The slope (m) = 1/3 and the y-intercept (b) = -4

3 0
3 years ago
Please answer quickly,thanks you shall be marked a branliest<br>​
Leviafan [203]

Answer:

18.0  cm to 1 decimal point.

Step-by-step explanation:

First  work out the unknown side (s) of the right triangle using the Pythagoras theorem:

s^2  = 13^2 - 5^2

       = 169 - 25 = 144

s = sqrt 144 = 12 cm.

Now consider the other triangle:

s = 12

The missing angle = 180 - 65 - 40 = 75 degrees.

By the Sine Rule:

x / sin 75 = 12 / sin40

x = 12 sin 75 / sin 40

  = 18.03

    -

3 0
1 year ago
The medical director of a company looks at the medical records of all 50 employees and finds that the mean systolic blood pressu
Alekssandra [29.7K]

Considering that the value of 126.07 is valid for the population, it is a parameter.

<h3>What is the difference between a statistic and a parameter?</h3>

  • If the measure is defined only for the sample, it is a statistic.
  • If the measure can be defined for the population, it is a parameter.

In this problem, the mean blood pressure is calculated for all employees, which means that it is valid for the population, hence it is a parameter.

More can be learned about parameters and statistics at brainly.com/question/13794992

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8 0
2 years ago
Based on the information below, choose the correct answers.
lozanna [386]

Since there are 120 payment and the total interest paid was $ 14,644.95. so the average monthly interest can be calculated by:

Average monthly interest = $ 14,644.95 / 120

Average monthly interest = $ 122.04

 

% total interest = ($ 14,644.95) / $ 39,644.95 x 100

% total interest =36.94 %

8 0
2 years ago
Any has 2 rows of 4 sports trophies on each of her 3 shelves. How many sports trophies does Amy have?
Alla [95]
2 multiply by 4 is 8 , 8 multiply 3 is 24
5 0
3 years ago
Read 2 more answers
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