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Leni [432]
3 years ago
5

I need help brosssssssssss

Mathematics
1 answer:
gavmur [86]3 years ago
5 0
Answer
B. Is the answer.
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A clock was reading the time accurately on Friday at noon. On Monday at 6pm the clock was running late by 468 seconds. On averag
Setler [38]

The clock was skipping 3 seconds every 30 minutes from Friday noon to Monday 6 pm.

The clock was still accurate by Friday noon. The clock was late by 468 seconds by Monday, 6 pm.

To solve the problem, we must:

Know how many 30-minutes have passed during the time period.

1 day = 24 hours

1 hour = 60 minutes = 2 × (30 minutes)

1 day = 24 hours × 2 × (30 minutes)

1 day = 48 × (30 minutes)

Thus, there are 48, 30-minutes in a day. On Friday, however, we start counting at noon, which is half of the day. Moreover, on Monday, the mark is only up to 6 pm, which is three-fourths of the day.

Friday = 48 × \frac{1}{2} = 24

Saturday = 48

Sunday = 48

Monday = 48 × \frac{3}{4} = 36

TOTAL = 24 + 48 + 48 + 36 = 156

Therefore, the total number of 30-minutes that have passed is 156. There were 156, 30-minutes that passed during the time period.

Divide the number of total seconds late by the number of 30-minutes passed.

That is, the number of total seconds late= 468 seconds ÷ 156

= 3 seconds  

Therefore, the clock was skipping 3 seconds every 30 minutes from Friday noon to Monday 6 pm.

To learn more about clock problems visit:

brainly.com/question/27122093.

#SPJ1

3 0
2 years ago
A system of linear equations is graphed below
Mashcka [7]

Answer: D

Step-by-step explanation: 20,20

6 0
2 years ago
Explain the relationship between the range of values and quartiles.
vitfil [10]
I think you meant qualities
4 0
3 years ago
What is the factorization of the expression below?
mestny [16]

Answer:

Answer B is correct

(6x + 5)(6x - 5)

Step-by-step explanation:

36 {x}^{2}  - 25 \\  {6}^{2} {x}^{2}   -  {5}^{2}  \\  = (6x - 5)(6x + 5)

6 0
3 years ago
Work out the surface area of the solid cuboid.<br> 3cm<br> 4cm<br> 5cm
Zarrin [17]

Answer: 94 cm^3.

Step-by-step explanation: You use the formula 2(ab+bc+ca). You plug in 3, 4, and 5 to get 94.

4 0
2 years ago
Read 2 more answers
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