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3 years ago

Which is the greatest 1/12, 1/32, 1/48 or 1/18

Mathematics

2 answers:

lilavasa [31]3 years ago

8 0

Answer:

$\frac{1}{12}$

Step-by-step explanation:

The number with the smallest denominator is the larger number and $\frac{1}{12}$ is the number with the smallest denominator out of $\frac{1}{12} , \frac{1}{32} , \frac{1}{48} , \frac{1}{18}$ .

MAVERICK [17]3 years ago

7 0

Answer:

1/12

Step-by-step explanation:

Start with a number, for example 100.

Now divide 100 by several numbers which are greater and greater:

100/1 = 100

100/2 = 50

100/4 = 25

100/10 = 10

100/100 = 1

As you divide the same number, 100, by a greater number, the result becomes smaller.

As we divide 100 by 1, then by 2, then by 4, etc., we are always dividing 100 by a greater and greater number. The result is smaller and smaller, 100, 50, 25, etc. If you always divide the same number by other numbers, the larger the number you divide by, the smaller the result.

Numbers in order from greatest to smallest:

1/12, 1/18, 1/32, 1/48

Answer: The greatest number is 1/12

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A concrete column has a diameter of 390 mm and a length of 3 m. If the density (mass/volume) of concrete is 2.45 Mg/m^3, determi

Serhud [2]

Answer:

Step-by-step explanation:

The column has the shape of a cylinder hence the formula for the volume of a cylinder is

$v=\pi r^2h$

Given

diameter d= 390 mm

radius r= 390/2= 195 mm to meter = 0.195 m

length or height h= 3 m

applying the data to the formula we have

$v=\pi *0.195^2*3\\\\ v=\pi*0.0038*3\\\\ v=\pi*0.0114\\\\ v=0.035 m^3$

we can now use the volume in addition with the density given to solve for the mass using the expression for density

density= mass/volume

2.45= mass/0.035

mass= 2.45*0.035

mass= 0.085 mg

We know that weight

w= mass* acceleration

w= 0.085*9.81

w= 0.83 N

3 0

4 years ago

How to graph transformations of quadratic functions

miskamm [114]

Answer:

Shift "h" units to the right, "k" units up, and reflect over the x or y axis when needed.

Step-by-step explanation:

1) I want to talk about reflections first.

Reflections across the x-axis --> $y = ax^2$ , a is the coefficient. if a is negative, then the equation should be reflected across the x-axis. This is known as a vertical reflection.
Reflections across the y-axis --> $y=a(bx)^2$ , b is the coefficient. If b is negative, then reflect the equation over the y-axis. There are cases where the reflection across the y-axis does not change anything. But, let's say its $y=(x-3)^2$ ... the reflection across the y-axis is different (that equation is: $y=(-x-3)^2$ )

2) Rigid transformations

Horizontal transformations (to the left or right): $y=a(bx-h)^2$ , factor out b from "bx-h" and whatever h equals is the units to the right. If h is a negative number, then you move to the left.
Vertical transformations (up and down): $y = a(bx-h)^2+k$ ... k is just the units up... if k is negative then we move it down.

Example (check image for visual)

We transform $y = x^2$ to $y = -(-x-3)^2+3$ , you move right 3, then reflect across the x-axis, then reflect across y-axis, then move 3 up.

--------------------------------------------------------------------------------------------------------------

Note: In the image, the red line is the original function, the blue one is the transformed function. See if you can follow along with the verbal instructions I gave above.

8 0

2 years ago

2/15 + 27/35 = what in reduced terms

solniwko [45]

2/15 + 27/35 = 14+81 /105 = 95/105 = 19/21

so, your answer is 19/21

8 0

4 years ago

The original price of a desk is $380. The desk is on sale 20% off.

Kaylis [27]

Answer:65

Step-by-step explanation:

7 0

3 years ago

Brian made $56.00 by babysitting for 7 hours. At this rate, for how many hours would he have to babysit to make $72.00?

kifflom [539]

Answer:

9 hours

Step-by-step explanation:

$56.00 -------> 7 hours

$1 ---------------> (7 / 56) hours

$72 -------------> (7/56) x 72 = 9 hours

5 0

4 years ago