3 years ago

Which of the following measurements could be the side lengths of a right triangle?

Mathematics

1 answer:

Andreyy893 years ago

6 0

Answer:

Step-by-step explanation:

Since the side lengths of a right triangle must follow the Pythagorean Theorem, plugging in the numbers given in B give the only values that follow the formula.

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Which equation represents a linear function? Equation 1: y = 2x2 + 1 Equation 2: y = 8x + 1 Equation 3: y = 5x3 – 1 Equation 4:

zloy xaker [14]

Equation 2 is the only linear one due to the fact that there is no exponent on the x or y values.

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4 years ago

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The value of sales at the shop decreases from 145,000 a year to 129,000 find the percentage decrease in the value of sales

iren [92.7K]

Answer:

11.0344828%

Step-by-step explanation:

145000 - 129000 = 16000.

16000/145000 = 16/145 = 0.110344828

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3 years ago

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What is the solution set of {x|x<-5} n {x|x>5}?

ale4655 [162]

$\{x|x < -5\}\ \cap\ \{x|x > 5\}=\O$

Look at the picture.

The common part does not exist.

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3 years ago

7. Write the equation of a line which passes through the points (-3,5) and (6,23)

faust18 [17]

Answer:

answer to the equation is

$y = 2x + 11$

Step-by-step explanation:

$y = mx + b$

first find the slope of the line using the two points

$slope \: m = \frac{y2 - y1}{x2 - x1} = \frac{23 - 5}{6 - ( - 3)} \\ = \frac{18}{9} \\ slope \: m = 2$

substitute 2 for m and use one of the points for x and y and solve for b

$5 = 2( - 3) + b \\ 5 = - 6 + b \\ 5 + 6 = b \\ b = 11$

Now that you found b, the y-intercept, you can substitute that into the equation for your line

$y = 2x + 11$

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3 years ago

Which number line represents the solutions to x + 4 = 2?

k0ka [10]

Answer:

Step-by-step explanation:

$\sqrt{(x+4)^2} = 2\\(x+4)^2 = 4\\$

x + 4 = ± 2

x = -2

x = -6

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3 years ago