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34kurt
1 year ago
5

Suraj took a slice of pizza from the freezer and put it in the oven. The pizza's temperature (in degrees Celsius) as a function

of time (in minutes) is graphed.
How long did it take the pizza to reach 0 degrees Celsius?

Mathematics
2 answers:
Molodets [167]1 year ago
6 0
It took about 0.5 minutes to reach level 0
MrRissso [65]1 year ago
3 0

We have been given a graph which describes temperature of pizza ( in degree Celsius) as a function of time (in minutes).

We can see that time is independent variable and temperature is dependent variable as it depends on time.  

Let us find when temperature of pizza will reach 0 degree Celsius. We can find the time when temperature will be 0 degrees by finding when y is zero.  

We can see that initial temperature of pizza is about -6 degree Celsius. As time is increasing temperature of pizza is also getting less negative and it is approaching to zero.        

At t= 0.75 minutes our function h(t) equals zero. Therefore, it will take 0.75 minutes the pizza to reach 0 degree Celsius.


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I am an odd number I am less than 100 the sum of my digits is 12 I am a multiple of 15 what number am I
ivolga24 [154]

The answer is 75.


Let's look at your problem shall we:


Odd number: It should end with the numbers 1,3,5,7, and 9.

The number is less than 100: It should be from the number 1-99

Sum of digits: 12

Multiple of 15: 15, 30, 45, 60, 75, and 90.


We can rule out 30, 60, and 90 because they are even.

1+5 = 6; 4+5=9; 7+5 = 12


You are left with 75.

6 0
1 year ago
A pendulum's first swing has an arc of 24 inches. As the pendulum swings back and forth, the arc length for each successive swin
andrezito [222]

Answer:

4

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Out of 498 applicants for a job, 187 have over 10 years of experience and 127 have over 10 years of experience and have a gradua
Kitty [74]

Answer:

the probability that randomly selected applicants over 10 years of experience is 0.6791

Step-by-step explanation:

The computation of the probability that randomly selected applicants over 10 years of experience is as follows:

Total would be

= 187 have 10 + years experience

Now

P(graduate | 10+) = (graduate and 10+ years experience) ÷ (10 + years of experience)

= 127 ÷ 187

= 0.6791

Hence, the probability that randomly selected applicants over 10 years of experience is 0.6791

3 0
1 year ago
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
miv72 [106K]
F(1)=4(1+1+7)-2(1)+8-4
f(1)=36+2
f(1)=38

f(2)=4(2+2+7)-2(2)+8-4
f(2)=44

4 0
1 year ago
Suppose that in a survey of 1,000 U.S. residents, 721 residents believed that the amount of violent television programming had i
Art [367]

Answer: 0.813

Step-by-step explanation:

Let A be the event describes the number of residents believed that the amount of violent television programming had increased over the past 10 years.

& B be the event describes the number of residents believed that the amount of violent television programming had decreased over the past 10 years.

Given : n(A)=721   ;  n(B)=454  ;  n(A∩B)=362

We know that ,

n(A\cup B)=n(A)+n(B)-n(A\cap B)

i.e. n(A\cup B)=721+454-362=813

Also, the total number of U.S. residents surveyed n(S)= 1,000

Then, the  proportion of the 1,000 U.S. residents believed that either the amount of violent programming had increased or the overall quality of programming had decreased over the past 10 years will be :-

P(A\cup B)=\dfrac{n(A\cup B)}{n(S)}=\dfrac{813}{1000}=0.813

Hence, the required answer = 0.813

3 0
1 year ago
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