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Harlamova29_29 [7]
3 years ago
7

Metal mercury at room temperature is a liquid. Its melting point is -39°C. The freezing point of alcohol is-114°C. How much warm

er is the melting point of mercury than the freezing point of alcohol?
Mathematics
1 answer:
Fofino [41]3 years ago
5 0
75 degrees warmer.

If you subtract -39 by -114, you get 75 which is the distance between the two temperatures
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What is 6[-3] (the -3 is the power)​
daser333 [38]

Answer:

216

Step-by-step explanation:

6 x -6 is -36 and -36 x -6 is 216

5 0
2 years ago
Sophia scored 92% in a math test. if the test had 50 question how many did she get right
german

Answer: 46

Step-by-step explanation:

percentage scored = 92

number of correct question = x

total number of questions = 50

The formula for calculating the percentage scored

= number of correct question / total number of questions x 100

That is

92 = \frac{x}{50} x \frac{100}{1}

92 = \frac{100x}{50}

cross multiplying :

100x = 92 x 50

100x = 4600

dividing through by 100 , we have

x = 46

Therefore, she got 46 questions right

7 0
3 years ago
A tractor trailer averages 6 miles per gallon fuel consumption. If the truck can hold 150 gallons of fuel, how many miles could
drek231 [11]

Answer:

The answer to your question is 900 miles

Step-by-step explanation:

Data

Consumption = 6 mi/gallon

total fuel = 150 gallons

number of miles = ?

Process

1.- To solve this problem use proportions and cross multiplication

                         6 miles ------------------ 1 gallon

                          x          ------------------  150 gallons

                                   x = (150 x 6) / 1

-Simplification

                                   x = 900 / 1

-Result

                                   x = 900 miles

6 0
3 years ago
Read 2 more answers
Solve the system of equations using any method.
fenix001 [56]
In addition or subtraction?
Y+8=4
Y-12=2x-8
+12
—————-
Y=2x+14
8 0
3 years ago
One end of a cable is attached to the top of a 60-foot pole. The other end is attached to the ground at a distance of 25 feet fr
lbvjy [14]
This is a simple A^2 + B^2 = C^2 Pythagorean Theorem problem.

So here we go:

Imagine a right triangle with 2 legs and a hypotenuse.
The Pole is the vertical leg. The Cable is the hypotenuse. The distance on the ground between the cable and the pole is the 3rd leg.

We are trying to find the hypotenuse which is C in our Pythagorean Theorem.

Thus:
60^2 + 25^2 = C^2

Add the squares:

3600 + 625 = 4225 = C^2

Now take the square root of both sides:
*Remember that in triangles, we cannot have a negative value for the length. (If it's possible, please contact the Nobel Prize admins).

\sqrt{C^2} = C = \sqrt{4225}  = 65

Thus:

C = Length = 65 ft
4 0
3 years ago
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