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MrRissso [65]
4 years ago
11

The formulas for power and work are P=w/t and W=Fd , where P is the power, W is the work done, t is the time, F is the force, an

d d is the displacement. Which formula represents the relationship between displacement and power?
choose the correct answer
A) d=Pt/F
B) d=P/Ft
C) d=PF/t
D= F/Pt
Mathematics
1 answer:
kolbaska11 [484]4 years ago
4 0
Power=work/time

Fd/t=P

Pt/F=d

therefore, the answer is A
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Use prime factorization to reduce each fraction 1. 22/165 2. 35/210
yKpoI14uk [10]

Lets find the prime factorization of 22, 165, 35 and 210. Prime factorization of a number is breaking a number down into the set of prime numbers which multiply together to result in the original number.

The prime factorization of the number 22 is:

22=2\times11

Similarly, for 165, 35 and 210 we have

\begin{gathered} 165=3\times5\times11 \\ 35=5\times7 \\ 210=2\times3\times5\times7 \end{gathered}

Then, we can solve the given questions.

Question 1.

\frac{22}{165}=\frac{2\times11}{3\times5\times11}

so we can cancel out the number 11 and get

\frac{22}{165}=\frac{2}{3\times5}=\frac{2}{15}

Then, the answer is

\frac{2}{15}

Question 2.

\frac{35}{210}=\frac{5\times7}{2\times3\times5\times7}

and we can cancel out the number 5 and 7, then we obtain

\frac{35}{210}=\frac{1}{2\times3}

then, the answer is

\frac{1}{6}

5 0
1 year ago
It is believed that students who begin studying for final exams a week before the test score differently than students who wait
olga55 [171]

Answer:

H0 : μ1 = μ2

H0 : μ1 < μ2

Step-by-step explanation:

Given :

Early studiers, group 1, mean μ1

Late studiers, group 2 ; mean, μ2

To test the claim that students who study earlier have an average score that is less than the average score for students

The null hypothesis ; there is no difference in average score

H0 : μ1 = μ2

Alternative hypothesis is early studiers means is less than average score of late studiers

H0 : μ1 < μ2

7 0
3 years ago
What's the answer people. Help
Citrus2011 [14]
This is true <span>in the sense of cardinality. In the same sense that one can say that there are more real numbers than there are rationals (or integers; or natural numbers).</span><span>

source: </span>https://math.stackexchange.com/questions/10333/are-there-many-more-irrational-numbers-than-rational
7 0
3 years ago
Read 2 more answers
Question: F=d+e+t, solve for t.
Komok [63]
           F = d + e + t   Flip the sides to put t on the left
d + e + t = F              Subtract d from both sides
      e + t = F - d        Subtract e from both sides
            t = F - d - e
7 0
3 years ago
Read 2 more answers
Phil takes out a bank loan of $150 000 to buy a house, at an annual interest rate of 3.5%. The interest is calculated at the end
Deffense [45]

Answer:

You would owe the bank <u>$105,000</u> in interest after 20 years.

Step-by-step explanation:

You first have to find what the one-year interest dollar amount, which is $5,250.

Then you simply multiply the one year dollar amount, by 20. (years).

20  x   $5,250  =  $105,000

giving you your final answer of <u><em>$105,000</em></u>

8 0
1 year ago
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