the melting point of mercury is -36 Fahrenheit and its boiling point is 672 Fahrenheit what is the difference between these two temperatures

Answers

Answer 1
Answer:

Answer:

708 Fahrenheit

Step-by-step explanation:

672 + 36 = 708

You add the 36 because it is a negative number and since you are trying to find the difference, for every negative number you have to add 1.


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What is -36+-45 I need help with this question

Answers

-81

if you are adding a negative to another negative you are going to get a larger negative number, or think of it as moving further left on the number line
-36+(-45)= \n \n -36-45=-81  \n \n  \text{gather two negative numbers}

Solve:
-3 (x + 5) = -9
x=?

Answers

Answer:

x=-2

Step-by-step explanation:

-3 (x + 5) = -9

Divide each side by -3

-3 (x + 5)/-3 = -9/-3

x+5 = 3

Subtract 5 from each side to isolate x

x+5-5 = 3-5

x=-2

which do you think will have a greater value 1/8 of one pound of gold or 1/4 of one pound of lead?why

Answers

Well, if you multiply 1/8 by 4, the fraction become 4/32, and if you multiply 1/4 by 8 you get 8/32. Now that both fractions have the same denominator, we can determine which fraction is of greater value. Since the 1/4 or 8/32 of the one pound of lead has a greater numerator, it is of greater value.

The midpoint of AB is M (2,0). If the coordinates of A are (7, -2), whatare the coordinates of B?

Answers

Answer:

The coordinates of point B are (-3,2)

Step-by-step explanation:

we know that

The formula to calculate the midpoint between two points is equal to

M((x_1+x_2)/(2),(y_1+y_2)/(2))

we have

M(2,0)\n(x_1,y_1)=(7,-2)

substitute

(2,0)=((7+x_2)/(2),(-2+y_2)/(2))

Find the value of x_2

we have that

2=(7+x2)/(2)

4=7+x_2\nx_2=-3

Find the value of y_2

we have that

0=(-2+y_2)/(2)

0=-2+y_2\ny_2=2

therefore

The coordinates of point B are (-3,2)

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Answers

925 in= C
question 7) A
question 8) A
question 9) a
question 1) B
question 2)D
question 3) A
question 4)D
question5) C

the answer is 1.b        2. d              3. c            4. c

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

Answers

Answer: the other rational number is 118/19

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