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Tems11 [23]
3 years ago
12

How do you multiply rational numbers?

Mathematics
2 answers:
nignag [31]3 years ago
7 0
To divide rational numbers, you turn the division problem into a multiplication problem by flipping the second rational number. Then you go ahead and multiply the tops and bottom together to get your answer. If you can simplify your problem before multiplication you can go ahead and do so to make your problem easier.
Serggg [28]3 years ago
5 0
Change all the numbers into either decimals or fractions and multiply
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When a constant force acts upon an object, the acceleration of the object varies inversely with its mass. When a certain constan
vitfil [10]

Answer:

a = 6m/s^2

Step-by-step explanation:

Given

When mass = 4kg; Acceleration = 15m/s²

Required

Determine the acceleration when mass = 10kg, provided force is constant;

Represent mass with m and acceleration with a

The question says there's an inverse variation between acceleration and mass; This is represented as thus;

a\ \alpha\ \frac{1}{m}

Convert variation to equality

a = \frac{F}{m}; Where F is the constant of variation (Force)

Make F the subject of formula;

F = ma

When mass = 4kg; Acceleration = 15m/s²

F = 4 * 15

F = 60N

When mass = 10kg; Substitute 60 for Force

F = ma

60 = 10 * a

60 = 10a

Divide both sides by 10

\frac{60}{10} = \frac{10a}{10}

a = 6m/s^2

<em>Hence, the acceleration is </em>a = 6m/s^2<em />

4 0
3 years ago
If the given figure is rotated 180° around the origin, what are the new coordinates of point Z? Z= (6,-9)
Nitella [24]

Answer:

Step-by-step explanation:

Rule for 180 rotation: (x,y) becomes (-x,-y)

So (6,-9) becomes (-6,9)

5 0
3 years ago
The coordinates of point a (5,-3). point a is reflected across the x-axis to obatin point
Nana76 [90]
The answer is (5,3) because when a point gets reflected across the x-axis its x coordinate stays the same but its y coordinate switches sign
8 0
3 years ago
The total cost for paperback books varies
postnew [5]

Answer:

$113.81

Step-by-step explanation:

Find the cost for one book:

35.94 / 6 = 5.99

Multiply 5.99 with the number of books buying:

5.99 x 19 = 113.81

4 0
2 years ago
Each cube in this figure is a -millimeter cube. What is the total volume of the prism?
alekssr [168]

Answer:

  • D. 9 mm³

Step-by-step explanation:

<u>Given</u>

  • Dimension of the prism: 3x4x6
  • Side of each small cube: 1/2 mm

<u>Volume of the prism in terms of the number of small cubes:</u>

  • 3*4*6 = 72

<u>Volume of each unit cube:</u>

  • V = (1/2)³ = 1/8 mm³

<u>Volume of the prism:</u>

  • 72*1/8 = 9 mm³

Correct choice is D

7 0
3 years ago
Read 2 more answers
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