MATHEMATICS HIGH SCHOOL

Please please help!!Volcanoes prove that the Earth's center is hot. The formula T= 10d +20 is used to estimate the temperature, T degrees Celcius, at a depth of d kilometres (km).
A) what does each term on the right side of the equation represent?
B) Estimate the depth where the temperature is 60 degrees C.
C) What is the approximate temperture at a depth of 4km?

Answers

Answer 1

Answer:

Answer:

The formula T= 10d +20

A) what does each term on the right side of the equation represent?

10d⇒ 10 degrees increase per 1 km and 20 deg surface temperature

B) Estimate the depth where the temperature is 60 degrees C.

60=10d+20
10d=40
d=4 km

C) What is the approximate temperature at a depth of 4km?

T=10*4+20
T=60 deg

Related Questions

What is the inverse of division
Solve 12ds/w=CD for w.
Which number produces a rationale number when added to 0.5
Problem 1: Conditions for an experimental chemistry reaction require a temperature of 298 K. The temperature in the lab is 55°F. Which of the following must you do to meet the requirements? (°F= 9/5 (K - 273) + 32) A. increase the room temperature by 22°F B. decrease the room temperature by 12°C C. decrease the room temperature by 33°F D. increase the room temperature by 18 K 2. Jim, Jane, Ann, and Bill measure an object’s length, density, mass, and volume, respectively. Which student’s measurement might be in liters? A. Bill’s B. Jim’s C. Jane’s D. Ann’s
85% of what number equals 17

Six mobsters have arrived at the theater for the premiere of the film "Goodbuddies." One of the mobsters, Frankie, is an informer, and he's afraid that another member of his crew, Joey, is on to him. Frankie, wanting to keep Joey in his sights, insists upon standing behind Joey in line at the concession stand, though not necessarily right behind him. How many ways can the six arrange themselves in line such that Frankie’s requirement is satisfied?a. 6
b. 24
c. 120
d. 360
e. 720

Answers

Answer:

D = 360

Step-by-step explanation:

Number of monsters that arrive at the theater = 6

Total number of arrangement for the 6 mobsters = 6!

= 6*5*4*3*2*1

= 720

The chance that Frankie will be behind Joey is half while the chance that Joey will be behind Frankie is half.

Since Frankie wants to stand behind joey in the line though not necessarily behind him, the arrangement can be done in 6!/2 ways

= (6!) 1/2

= 720/2

= 360 ways

A total of 120,000 votes were cast for 2 opposing candidates, Garcia and Pérez. If Garcia won by a ratio of 5 to 3, what was the number of votes cast for Pérez?

Answers

Total votes = 120,000
Gracia won by a ratio of 5 : 3
so, total votes earned by Gracia = 5/8 * 120,000 = 75000

So, number of votes cast for Pérez = (120000 - 75000)
=

The boiling point of krypton is -244 degrees Fahrenheit. The melting point Krypton is -251 Degrees Fahrenheit. What is the difference between the boiling point and melting point

Answers

Answer: 9 degrees farenheit

Step-by-step explanation:

You've brought 5 cakes to the schooldance and you want to be sure there's
enough cake for everyone.
Here's a formula for this scenario:

y=xa/5

X = number of people at the dance
y = number of slices per cake
a = number of slices each person will eat

Answers

Answer:

Answer: b = (X*a)/y whereas b is the number of cakes.

Step-by-step explanation:

Which expression is equal to (x+4)(−3x2−4x+2)? −3x3−4x2+2x+8 −3x2−4x+8 −3x3−16x2−14x+8 −3x2−3x+6

Answers

Answer:

−3x3−16x2−14x+8

Step-by-step explanation:

first times the first x in parentheses by everything in the second

(x)(-3x^2) and (x)(-4x) and (x)(2)

-3x^3-4x^2+2x

Then times the 4 by the other variables in the parentheses

(4)(-3x^2) and (4)(-4x) and (4)(2)

-12x^2-16x+8

now the whole equation:

-3x^3-4x^2+2x -12x^2-16x+8

now you must simplify or add like terms

-3x^3-16x^2-14x+8 is your answer, which is the first one.

Answer:

I believe this is what you're looking for

Step-by-step explanation:

What annual simple interest rate will increase Jacob Davidson’s initial investment of $5,000 to $6,000 in two years?multiple choice
A)10%

B)5%

C)4%

D)6%