3 years ago

Sylvia rented a boat for 16.50 dollars per hour her total rental fee was 49.50 dollars. How many hours did Sylvia

Mathematics

1 answer:

12345 [234]3 years ago

8 0

The answer is 3 hours because you are dividing

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The mean weight 20 students in a room is 65 kg one student one student who weight is 88kg went into the room what is the new mea

umka2103 [35]

The new mean is 66.09

<u>Explanation:</u>

Mean weight of 20 students = 65kg

One student with 88kg entered the room.

New mean = ?

$\frac{x_1+x_2+....+x_2_0}{20} = 65$

$\frac{x_1+x_2+....+x_2_0 + 88}{21} = ?$

The above equation can further be written as:

$x_1 + x_2 +....+x_2_0 = 65 X 20\\\\x_1 + x_2 +....+x_2_0 = 1300$

New mean = $\frac{1300 + 88}{21}$

= 66.09

Therefore, the new mean is 66.09

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3 years ago

(4x+___)+(2x+3)=6x+5<br> Find the missing term.

SOVA2 [1]

Answer:

(4x+2)+(2x+3)=6x+5

Step-by-step explanation:

(4x+___)+(2x+3)=6x+5

4x+2x=6x

5-3=?

5-3=2

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3 years ago

Solve y ≥ -2|x - 1| + 3

Nonamiya [84]

Answer:

Step-by-step explanation:

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3 years ago

Which one should i pick?

Airida [17]

last one is the solution u should choose

7 0

3 years ago

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What is the value of k ?

seropon [69]

K=10
Here is the equation

180-115=65

(4K+5)+(6k+10)+65=180

8 0

3 years ago