MATHEMATICS HIGH SCHOOL

Mrs. Jones got a new freezer. She plugged it in, and it began to get cold. Thetemperature inside the freezer dropped 24 degrees in 6 hours. If the temperature
dropped at a steady rate, what was the change in the temperature in the freezer in one
hour?

Answers

Answer 1
Answer: The rate of change for one hour is 4°.
When you look at the problem it says the temperature dropped 24° in 6 hours . So if you divided 24 by 6 you get 4 which is the rate at which the temperature dropped per hour.

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Write the equation of a line that is parallel to the following:1. x = 52. y = -3

X^2-5x-8=0 find the roots (zeros)

Answers

Answer:

             x_1=(5-√(57))/(2)\ ,\quad x_2=(5+√(57))/(2)

Step-by-step explanation:

x^2-5x-8=0\n\na=1\,,\ b=-5\,,\ c=-8\n\nx=(-b\pm√(b^2-4ac))/(2a)\n\nx=(-(-5)\pm√((-5)^2-4\cdot1\cdot(-8)))/(2\cdot1)=(5\pm√(25+32))/(2)=(5\pm√(57))/(2)

What is the quotient (x3 + 6x2 + 11x + 6) ÷ (x2 + 4x + 3)?x + 2
x – 2
x + 10
x + 6

Answers

Hello,

Answer A

x²+4x+3=(x+3)(x+1)

x^3+6x²+11x+6=(x+1)(x²+5x+6)

x²+5x+6=(x+2)(x+3)

so

x^3+6x²+11x+6=(x+1)(x+2)(x+3) (Horner's method)
If you would like to solve (x^3 + 6x^2 + 11x + 6) / (x^2 + 4x + 3), you can do this using the following steps:

(x^3 + 6x^2 + 11x + 6) / (x^2 + 4x + 3) = ((x + 1) * (x + 2) * (x + 3)) / ((x + 1) * (x + 3)) = x + 2

The correct result would be x + 2.

Sue is ready to move into a new apartment. Her new rent is 125% of what she paid in the last month. If the new rent is $650, how much rent did she pay in the last month?

Answers

$520is definitely the correct answer

Answer:

A is the correct answer

Step-by-step explanation:

i took the test

Which of the following best represents the average rate at which a person can quickly walk?3 steps per hours

3 steps per second

30 steps per minute

30 steps per second

Answers

B. 3 steps per second

Answer:

B. 3 steps per second

Step-by-step explanation:

A submarine at the surface dives 375 ft and then another 175 ft. express the final depth as an integer. a. –525 ft
b. –550 ft
c. 550 ft
d. 525 ft

Answers

Answer: Hello mate!

If we consider y = 0ft in the surface (the initial position of the submarine)

When the submarine does the first dive, it descends 375ft

then the position is y = 0ft - 375ft = -375ft

where the position is negative because the submarine is descending.

Now, the submarine decends another 175ft, so the new position is:

y = -375ft - 175ft = -550ft

Randy ran 15.98 miles on Monday and 11.76 miles on Tuesday. How many more miles did Randy run on Monday than Tuesday?

Answers

Answer:

4.22

Step-by-step explanation:
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