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Sliva [168]
2 years ago
8

David is reducing the size of a photograph. The original

Mathematics
1 answer:
Viefleur [7K]2 years ago
7 0
5/2=2.5
7/2=3.5
Answer: 2.5x3.5
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Fuad’s model racing car drives at an average speed of 3 feet per second. Fuad records the distances and times in a table like th
Nikitich [7]

Answer:

9 seconds

Step-by-step explanation:

3 feet per second divided by 21 feet which is 9

5 0
3 years ago
Read 2 more answers
What’s the product of 10/1 and 17/5 simplified?
Andru [333]

Answer:

34

Step-by-step explanation:

10/1×17/5

note: 10/1=10

10×17/5

multiply

170/5

34 ans

pls mark brainliest

4 0
2 years ago
Question 6 2 pts
astraxan [27]

Answer:

785 acres

Step-by-step explanation:

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

Let X represent the random variable amount of corn yield

Assuming the X follows a normal distribution  

X \sim N(\mu, \sigma)  

And we know that the average \bar X is dsitributed:

\bar X \sim N(\mu=189.3, \sigma_{\bar X}=23.5)

And we are interested on this probability:

P(\bar X>180)

For this case we can use the z score formula given by:

z=\frac{\bar X -\mu}{\sigma_{\bar X}}

If we apply this we got:

P(\bar X>180)=P(Z>\frac{180-189.3}{23.5})=P(Z>-0.396)=1-P(Z

And since we have a proportion estimated and we hava a total of 1200 acres the expected to yield more than 180 bushels of corn per acre would be:

r=1200*0.654=784.8

And if we round up this amount we got \approx 785 and that would be the best option for this case.

5 0
2 years ago
Persons who use drugs relatively infrequently and define drug use as pleasurable are called
scoray [572]

i believe the answer would be - recreational drug user.

hope this helps you out!

7 0
2 years ago
Evan correctly answers 80% of the total questions on his history test. He correctly answers 32 questions. What is the number of
ohaa [14]

Answer:

There are 40 total questions on his text.

Step-by-step explanation:

To find this, divide the number of questions he got right by the percentage of the total they represent.

32/80% = 40

5 0
3 years ago
Read 2 more answers
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