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lutik1710 [3]
3 years ago
7

Graph a function and it's inverse f(x) =x^2 -1​

Mathematics
1 answer:
Colt1911 [192]3 years ago
3 0

3

0

-1

0

3

This is the answers

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PLEASE HELP ITS EASY!!!!!!!!!
eduard

#1 This isn't mathematics its Science


#2 I would personally say false because we can repeat a song there fore creating the same movement - vibration.  Heat is also something that could be the same again.  Like setting the thermostat in a home, apartment, or work place

#3 Don't hold me to #2 because I can see both sides being argued #1 is definitely right lol!

6 0
4 years ago
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If a cyclist is traveling at 25 miles per hour on a country highway, what is his speed in feet per second? (Remember that a mile
MAVERICK [17]
Here is the solution based on the given problem above.
Given: 25miles/hour = speed of the cyclist
           ? = speed in feet/second
           1 mile = 5280 feet
           1 hour = 3,600 seconds
In order to get the result, we need to get first how many feet is 25 miles.
so, 25 miles is equivalent to 132,000 feet.
and 1 hour = 3,600 seconds
So, it is 132,000 feet/3,600 seconds. Let us simplify this.
So the answer would be 36.67ft/second. 
I hope this is the answer that you are looking for.


4 0
3 years ago
What's the meaning of –(–3)?
Liula [17]

Answer:

+3

Step-by-step explanation:

if your subtracting a negitive it means your adding and its now a positive

4 0
3 years ago
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Salaries of entry-level computer engineers have Normal distribution with unknown mean and variance. Three randomly selected comp
avanturin [10]

Answer:

H0 : μ = 60000

H1 : μ ≠ 60000

Test statistic = 3.464

Step-by-step explanation:

Given :

Sample mean salary, xbar = 80000

Sample standard deviation, s = 10000

Population mean salary , μ = 60000

Sample size, n = 3

Hypothesis :

H0 : μ = 60000

H1 : μ ≠ 60000

The test statistic :

T = (xbar - μ) ÷ (s/√(n))

T = (80000 - 60000) ÷ (10000/√(3))

T = 20000 / 5773.5026

T = 3.464

The Decison region :

If Tstatistic >Tcritical

Tcritical at 10%, df = 2 ; two - tailed = 2.9199

Tstatistic > Tcritical ; He

5 0
3 years ago
Alessandro wrote the quadratic equation –6 = x2 + 4x – 1 in standard form. What is the value of c in his new equation?
garri49 [273]
X^2+4x-1+6=0
x^2+4x+5=0
c=5
c is 5
8 0
4 years ago
Read 2 more answers
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