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maw [93]
3 years ago
7

Write fifteen cubed in exponential notation,expanded form,and standard form.

Mathematics
1 answer:
Anna11 [10]3 years ago
4 0
exponential\ notation:\ 15^3\\expanded\ form:\ 15\times15\times15\\standard\ form:\ 3375
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I need help on my math.
Elenna [48]

Answer:10 in on left side 13 on top

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Let f(x)=x2−3x−4 . What is the average rate of change from x = 7 to x = 10? Question 6 options: 24 14 66 42
Fed [463]
Just find the slope between the points

basically find (f(10)-f(7))/(10-7)

f(7)=7^2-3(7)-4=49-21-4=24
f(10)=10^2-3(10)-4=100-30-4=66

slope=(66-24)/(10-7)=42/3=14
average rate of change is 14
8 0
3 years ago
3+-√(-3)^2 - 4(5)(-1)
Alona [7]

Answer:

Step-by-step explanation:

Easy way to do this is step by step.  Your quadratic, from your entry, must be

5x^2-3x-1.

Step by step looks like this, one thing at a time:

x=\frac{3+\sqrt{(-3)^2-4(5)(-1)} }{2(5)} becomes

x=\frac{3+\sqrt{9-(-20)} }{10} becomes

x=\frac{3+\sqrt{9+20} }{10}

and this of course is

x=\frac{3+\sqrt{29} }{10}

Do the same with the subtraction sign to get the other solution.

If you're unsure of how to enter it into your calculator, do it step by step so you don't mess up the sign.  If you enter it incorrectly, you could end up with an imaginary number when it should be real, or a real one that should be imaginary.

Just my advice as a high school math teacher.

3 0
3 years ago
??? Need help please
elena55 [62]
Slope is -3
Explanation
Take points
(4,3) and (6,-3)
-3-(3)
———= -6/2 which equals -3
6-4
7 0
2 years ago
Watching the weather channel, you can see the probability of it raining tomorrow. drag the term to the corresponding probability
azamat

Answer:

Probability:

1. probability of rain < 1/2            -------- Unlikely

2. probability of rain = 0             --------  Impossible

3. probability of rain = 1               -------- Certain

4. probability of rain > 1/2           --------- Likely

Step-by-step explanation:

Given -

Terms:

• impossible

• likely

• unlikely

• certain

Probability:

1. probability of rain < 1/2

2. probability of rain = 0

3. probability of rain = 1

4. probability of rain > 1/2

To find - Watching the weather channel, you can see the probability of it raining tomorrow. drag the term to the corresponding probability of it raining tomorrow. drag the term to the corresponding probability of it raining tomorrow.

Proof -

Probability:

1. probability of rain < 1/2            -------- Unlikely

2. probability of rain = 0             --------  Impossible

3. probability of rain = 1               -------- Certain

4. probability of rain > 1/2           --------- Likely

Reason -

  • Probability is the chance that an event will occur. Weather predictions are based on  probability.
  • The probability of an event occurring is represented by a ratio.

A ratio is a number that is  between 0 and 1 and can include 0 and 1.

  • An event is impossible if it has a probability of 0.

Having 13 months in a year has the  probability of 0.

  • An event is certain if it has the probability of 1.

The probability that the sun will rise  tomorrow morning is 1

8 0
3 years ago
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