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Ugo [173]
3 years ago
11

Mary had swimming lessons every 3rd day and diving lessons every fifth day. If she had a swimming lesson and a diving lesson on

January 6th, when is the next date on which she will have both a swimming and diving lesson?
Mathematics
2 answers:
Rina8888 [55]3 years ago
6 0
15 days later, on the 21st.
Arte-miy333 [17]3 years ago
4 0
Mary will have Both swimming and diving lessons on January 14
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Cot -90<br> trig function
Licemer1 [7]

Answer:

It doesn't exist,bro.

Step-by-step explanation:

5 0
2 years ago
A jeweler had 38 inches of silver chain. She need five times that much to make some necklaces and 3 times that amount to make so
aivan3 [116]

Answer:

304 IN

Step-by-step explanation:

total inches needed for necklace : 38 x 5 = 190

total inches needed for necklace : 38 x 3 = 114

190 + 114 = 304 inches

8 0
3 years ago
17. Which of the following is the correct formula for finding power in a DC circuit? A. P = I2R B. P = VR C. P = IR D. P = V2I
netineya [11]

Answer:

Choice A. P = I² · R where

  • P is the power in the DC circuit,
  • I is the current through the circuit, and
  • R is the total resistance of the circuit.

Step-by-step explanation:

Electrical power is the rate at which the electrical force does work. So what is electrical work? That's the work W that the electrical force do when it moves charges Q across a potential difference V:

W = V\cdot Q.

The power is the rate at which the electrical force do the work:

\displaystyle P = \frac{W}{t} = V \cdot \frac{Q}{t}.

On the other hand, current I is the charge through a cross-section of the circuit in unit time. By the definition of current:

\displaystyle\frac{Q}{t} = I.

\displaystyle P =V \cdot \frac{Q}{t} = V\cdot I.

Consider Ohm's Law:

V = I \cdot R.

Therefore

\displaystyle P = V\cdot I = (I \cdot R) \cdot I = I^{2}\cdot R.

6 0
3 years ago
Read 2 more answers
4(20 divided by 12) divided by (4-3)
klasskru [66]
This =2.4 I hope that this helps you
3 0
3 years ago
The graph below shows Roy's distance from his office (y), in miles, after a certain amount of time (x), in minutes: Graph titled
Marina CMI [18]

Answer:

Felix

Step-by-step explanation:

The graph contains 3 segments,

first one is for the first 4minutes,

second one is for the next 2 minutes (standing still)

third one is for the last 2 minutes.

Only Felix has it right, the other students use absolute time in their statements, in stead of the difference between start and end. (e.g., from 4 to 6 is 2 minutes).

8 0
3 years ago
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