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Goshia [24]
3 years ago
12

Irina has 3 hours to finish her final math exam. Keeping in mind that there are 60 minutes in 1 hour, how much time, on average,

does she have for each question if there are 45 questions on the exam? 1.5 minutes 2.ModifyingAbove 6 with bar minutes 4 minutes 15 minutes
Mathematics
2 answers:
Katena32 [7]3 years ago
8 0

Answer:

an average of 4 minutes on each

Step-by-step explanation:

Pepsi [2]3 years ago
5 0

Answer:

4 minutes per question

Step-by-step explanation:

3 hours = 180 mins

180/45 = 4

4 minutes per question

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A standard showerhead dispenses 50 gallons of water in 20 minutes. At this rate, how many gallons of water will a standard showe
liq [111]

Answer:

= 12.5 gallons

Step-by-step explanation:

50 gallons per 20 mins

50/20=5/2

5/2 per minute so 5 mins is

5/2 x 5 = 25/2

=12.5 gallons

3 0
3 years ago
Read 2 more answers
Please help I need the answer ASAP!!!!!
zloy xaker [14]

h(t) = 80t - 16t²

Ground level is h(0) = 0

We want to solve for t:

h(t)= 0

80t - 16t² = 0

16t(5 - t) = 0

t = 0 or t = 5

Answer: 5 seconds

3 0
3 years ago
Read 2 more answers
In a survey of 2,000 people who owned a certain type of car, 1,100 said they would buy that type of car again. What percent of t
Mrac [35]
Answer:
The percentage of people surveyed that were satisfied with the car is 55%.
Step-by-step explanation:
The statement indicates that in a survey 1,100 people of 2,000 surveyed said that they would buy the car they have again and from this, you can inferred that they are satisfied with the car. So, to calculate the percentage of people surveyed that were satisfied with the car you have to divide 1,100 by 2,000 that is the total number of people surveyed and then, multiply the result by 100:
1,100/2,000=0.55*100= 55%

Read more on Brainly.com - brainly.com/question/5991333#readmore
7 0
3 years ago
Kayla flips a quarter 200 times. She expects that
ehidna [41]

Answer:

Experimental probability is likely to be slightly different from theoretical probability.

Step-by-step explanation:

This is because there is a 50-50 chance, but it is unlikely to be exactly 100-100. That is just to hypothesis!

7 0
3 years ago
I need help with this question can someone please help me?
zlopas [31]
Answer: y= -1/1x - 1

Okay, to find the equation you must find the y-intercept and the slope.

To find the y-intercept, you must find (0,y). This is the point on the y-axis where x is 0. So, where along the y-axis is there a point? There is a point at (0,-1). Therefore, your y-intercept is -1.

To find the slope, you must do rise/run. Go to a point on the line, such as (0,-1). You must go up (or down) until you get lined up with next point on the line. You go up one time. Then, you must go right (or left) to get to the exact point. In this case, the point would be (-1,0). You go left one time.

If you go down or left when doing rise/run, the number would be negative. Since you went left, that number would be negative.

So, our slope would be 1/-1, which can also be written as -1/1.

Now, write the equation. There is always an x next to the slope. y= -1/1x

Then, put the y-intercept next to it. If it is positive, use a +. If it is negative, use a -. It is negative.

Therefore, the answer is y= -1/1x -1.
5 0
3 years ago
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