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miss Akunina [59]
3 years ago
8

You are biking to the library. When you

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0

Step by step explanation: 3.2 miles was half of the remaining 25%, which is 6.4 miles. You were 50% of the way back when you realized you didn't need the book.

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Y=(3x+4)(-2x-3) determine if the function is linear, quadratic, or constant
Elis [28]
It's quadratic
(3x+4)(-2x-3)
expand using FOIL:
-6x^2-14x-12=0
remember -6x^2 term means its quadratic since it's powered by 2
7 0
3 years ago
jamal's school is having a bake sale today at lunch and he agreed to bring four dozen cupcakes in for sale. to catch his bus he
Vesna [10]

Answer:

They will finish in time for Jamal to catch the bus.

Step-by-step explanation:

Jamal agreed to bring four dozen i.e. 48 cupcakes in for sale.

He started icing cupcakes at 7:40 a.m. at a rate of 3 cupcakes per minute up to 7:50 a.m. that is the time when he needs to be out of his house to catch his bus.

So, with in this 10 minutes (7:40 a.m. to 7:50 a.m.) he would be able to make (10 × 3) = 30 cupcakes.

Now, at 7:44 his older sister started icing cupcakes too. she iced them at a rate of 4 cupcakes per minute.

So, in this 6 minutes (7:44 a.m. to 7:50 a.m.) she will be able to make (4 × 6) = 24 cupcakes.

Therefore, in total Jamal will be able to made (30 + 24) = 54 cupcakes.

Since, 54 > 48 so, they will finish in time for Jamal to catch the bus. (Answer)

3 0
3 years ago
122x193-12 then turn it into a fraction then divide whats my answer please help me! :)
xenn [34]

Answer:

235.34

Step-by-step explanation:

122×193-12 = 23534

23534/100

23534/100 = 235.34

3 0
3 years ago
Answer this please i need help
strojnjashka [21]

Answer:

Slope <em>m</em> = -3

y-intercept (0, 0)

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

y = -3x

<u>Step 2: Break Function</u>

<em>Identify Parts.</em>

Slope <em>m</em> = -3

y-intercept <em>b</em> = 0

5 0
3 years ago
A cylindrical tank holds 20,000 gallons of water, which can be drained from the bottom of the tank in 20 minutes. The function g
IgorLugansk [536]
You didn't include the function.

If the function is, V = 20,000 (1 - t/20)^2, as you can see, for t = 20, V = 0

Then I am going to show you the work with that function, and you can use the same procedure with your own fucntion.


The rate of change of the volume is the derivative of the function with respect to the time.

[dV/dt] = 20,000 *2 [1 -t/20] * [-1/20] = - 2000 [1 - t/20] = 2000[t/20 - 1]

At t = 3

dV/dt = 2000[3/20 - 1] = -1700 gallons / min

The negative sign mean decreasing.

The answer is - 1700 gallons / min

Now, for the same function, if the time is t = 2, you would obtain one of the results of the list of options.

dV/dt = 20,000 [2/20 - 1] = -1800 gallons/minute, which is the option D of the list.



3 0
3 years ago
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