Is 4.50 an irrational or rational number?

Answers

Answer 1

Answer: it is irrational because rational numbers are whole and irrational numbers are decimals,fractions,negatives,and mixed numbers also irrational numbers go on and on forever rational stops for example 3 is rational and 9.6 is irrational 4.50 is irrational hope this helps you i hope i am the brainliest answer because i need it for the next rank

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The equation of line CD is y = 3x − 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1).

Answers

y = 3x - 3....slope here is 3. A perpendicular line will contain a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is -1/3.

y = mx + b
slope(m) = -1/3
(3,1)....x = 1 and y = 3
now we sub
3 = -1/3(1) + b
3 = -1/3 + b
3 + 1/3 = b
9/3 + 1/3 = b
10/3 = b

so ur perpendicular line is : y = -1/3x + 10/3

Usan enlarged a rectangle with a height of 4 cm and length of 11 cm on her computer. the length of the new rectangle is 16.5 cm. find the height of the new rectangle.

Answers

You need only set up a proportion.

11 cm/16.5 cm = 4 cm / x Cross multiply

11x = 16.5 * 4

11x = 66 ' Divide by 11

x = 66/11

x = 6

The expanded height is 6 cm Answer

$2.50 per square foot. how much is that per square yard?

Answers

1 yard is 3ft, so just multiply 2.5 with 3 and that gives u 7.5.

Hello,

1yd=3ft ==>(1yd)²=(3ft)²=9ft² cost $2.5*9=$22.5

What is the ratio for 3,27,243and 2187

Answers

327243:2187 or 327243to2187 or 327243/2187

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