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meriva
3 years ago
11

A force of 200 Newtons is applied to a machine to lift a 1,000 Newtons load. What is the MA of the machine?

Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0

Answer:

5

Step-by-step explanation:

The mechanical advantage of a machine is the ratio of the force that you need to input to how much is outputted. 200:1000=1:5, meaning that the mechanical advantage is 5. Hope this helps!

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The mean number of hours of study time per week for a sample of 562 students is 23. If the margin of error for the population me
Vadim26 [7]

Answer:

The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).

Step-by-step explanation:

Confidence interval:

Sample mean plus/minus the margin of error.

In this question:

Mean of 23.

Margin of error 2.1.

Then

23 - 2.1 = 20.9

23 + 2.1 = 25.1

The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).

3 0
2 years ago
If you live in Dallas, then you live in Texas
viktelen [127]

Answer:

The <u>inverse </u>statement is given as follows;

If you do not live in Dallas, then you do not live in Texas

False

The <u>converse </u>statement is given as follows;

If you live in Texas then you live in Dallas

False

The <u>contrapositive</u> statement is given as follows;

If you do not live in Texas, then you do not live in Dallas

True

The <u>biconditional </u>statement is given as follows;

You live in Dallas, if and only if, you live in Texas

True

Step-by-step explanation:

5 0
3 years ago
What is the lcm of 48 and 54
rosijanka [135]

Answer:

LCM IS 48 × 52 BUT U HAVE TO MULTIPLY NUMERATOR BY DENOMINATOR

8 0
3 years ago
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What is <br> 6 / 2 ( 1 + 2 ) <br><br> 6 divided by 2 ( 1 + 2 )
nalin [4]

Answer: 9

Step-by-step explanation:

Es una operación combinada, cuando hay una operación en un paréntesis significa que se hace primero que todo

8 0
2 years ago
Which expression represents the phrase subtract 4 from 112, then divide by 2
Korolek [52]

Answer:

112-4/2=54

Step-by-step explanation:

112-4=108

108/2=54

7 0
3 years ago
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