MATHEMATICS MIDDLE SCHOOL

The sum of two rational numbers is -7. if one of the numbers is –15/19, the other number is

Answers

Answer 1
Answer:

Answer: the other rational number is 118/19
Answer 2
Answer:

Answer:

-118/19

Step-by-step explanation:

let x, y = the two rational numbers, respectively.

What do we know?

  • x + y = -7
  • x = -15/19

Step one: Plug in the values:

-15/19 + y =-7

Step two: Isolate the variable by adding 15/19 on both sides

y = -7 +15/19

Step three: Simplify the right side

Use basic addition to add the two numbers:

y = - 118/19

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Martine puts numbers in the order shown 518,673, ,729. which number can Martine put on the empty card...659, 821, 722, or 854

Answers

Martin can put the number 722 on the empty card

What is the value of 62 tens

Answers

62 tens is equal to 620, so 62x10=620. Lets split the equation up, 60 x 10 = 600 , 2 x 10 = 20 , so now add 600 and 20, 600 + 20 = 620

Hopefully this helped you.
The value of 62 tens would be just like multiplying 62 by 10 so 62x10=620
Your answer is 620.

Hope this Helps

What expression represents the sum of (2x-5y) and (x+y)

Answers

Equation: (2x-5y) + (x+y)
Add x terms together: 2x + x=3x
Add y terms together: -5y + y=-4y
Simplify: 3x-4y

Final Answer: 3x-4y

What is the area of the regular hexagon shown?
15 in.

Answers

I don’t know this question is hard I had the same question on a paper and I got it wrong

Describe dimension of two different prisms that each have a volume of 2400 cubic

Answers

So look:

1) 20 cm by 20 cm by 6 cm
2) 40 cm by 30 cm by 2 cm

Hope this helps!
Well two different rectangular prisms could be the following: 

1) 20 cm by 20 cm by 6 cm
2) 40 cm by 30 cm by 2 cm

I really hope I helped, and tag me if you need more help :) 

Thank you,
Darian

What is the equation of the graph below? y=sin(x/3) y = sin(3x) y = sin(0.3x) y=sin(2x/3)

Answers

The equation of the trigonometric graph which is represented below is y= sin(3x). Option b is correct.

What is the equation of the trigonometric graph?

The equation of the trigonometric  graph represent the trigonometric  function with the help of angles.Two main ways to prepare the sine and cosine function are,

y=\sin x\ny=\cos x

The graph for the given problem is attached below. In this graph, the function varies from -2π/3 to 2π/3.

The function equation of the trigonometric graph for the sine is given as,

y=\sin x

At the value of 2π/3, the equation will be,

y=\sin\left( (2\pi)/(3)x\right)                        

Put the left hand side equal to zero, and find the value of x.

0=\sin\left( (2\pi)/(3)x\right)

The value of sine is zero at 2π. To this function the value of x must be equal to the 3. Thus,

0=\sin\left( (2\pi)/(3)(3)\right)\n0=\sin\left( {2\pi}\right)\n0=0

Thus, the number 3 need to be write inside the function of sine as,

y = \sin(3x)

Thus, the equation of the trigonometric graph which is represented below is y= sin(3x). Option b is correct.

Learn more about the equation of the graph here;

brainly.com/question/24894997

Answer:

y=sin(3x)....
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