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kobusy [5.1K]
3 years ago
11

Luigi has 9 more books than Mario. Luigi has 52 books . how many books does Mario have.

Mathematics
2 answers:
Leni [432]3 years ago
6 0

Answer:

Mario has 43 books.

Step-by-step explanation:

Subtract the 52 books by the 9 books (52 - 9), and you will get 42 as your answer.

Katena32 [7]3 years ago
4 0
Forty three because 52-9= 43
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There are two fields whose total area is 56 square yards. One field produces grain at the rateof34bushel per square yard; the ot
fenix001 [56]

Answer:

the first field (rate 3/4) has 32 square yards and the second field (rate 2/3) has 24 square yards.

Step-by-step explanation:

With the statement we can make a system of 2x2 equations, where:

"x" is the area of the first field

"y" is the area of the second field

However,

x + y = 56 => x = 56 - y

3/4 * x + 2/3 * y = 40

replacing we have:

3/4 * (56 - y) + 2/3 * y = 40

42 - 3/4 * y + 2/3 * y = 40

-0.0833 * y = 40 - 42

y = -2 / -0.0833

y = 24

now for x:

 x = 56 - 24

x = 32

This means that the first field (rate 3/4) has 32 square yards and the second field (rate 2/3) has 24 square yards.

3 0
3 years ago
End of each of the next 20
Gala2k [10]

Answer:

Annual withdraw= $57,583.68

Step-by-step explanation:

Giving the following information:

Present Value (PV)= $555,000

Interest rate (i)= 0.0825

Number of periods (n)= 20

<u>To calculate the annual withdrawals, we need to use the following formula:</u>

Annual withdraw= (PV*i) / [1 - (1+i)^(-n)]

Annual withdraw= (555,000*0.0825) / [1 - (1.0825^-20)]

Annual withdraw= $57,583.68

5 0
3 years ago
What is bigger 15 % or 1/5 ?
vaieri [72.5K]
1/5 is greater because 
10/50
20/100

15% is only 15/100
6 0
3 years ago
Question 7(Multiple Choice Worth 1 points) (08.02 LC) Eva conducted a survey to find out the amount of time high schoolers spend
Lady bird [3.3K]

Answer:

The answer is "Option B".

Step-by-step explanation:

The difference between most time and also the least spending time on Internet surfing is 3 hours. Since we do not have charts for tables etc., only 3 can be used we need. A range is defined as the difference between the largest and the smallest amounts. The range between both the largest as well as the smallest is unique. In this reply, it tells us that the gap between most time and the fewer hours invested surfing the web is 3 hours.

  • In option A, it is wrong since the range has nothing to do with formulas. (Of course, the dividend with a divisor results in a quotient). Only subtraction and not division may be achieved.
  • In option C, when all surf for exactly one hour, it could take the largest time of 3 hours and 3 hours, the last time. Add it into the equation and the range of the data present would've been 0.
  • In option D, It is erroneous even as the range is not the mean, and the mean seems to be the average. We search for both the range, not the mean.

3 0
2 years ago
PLEASE AM TIMED STEP BY STEP
ValentinkaMS [17]

Answer:

Here you go :)

Step-by-step explanation:

5 0
3 years ago
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