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serg [7]
1 year ago
15

A

Mathematics
1 answer:
tamaranim1 [39]1 year ago
7 0

Answer:

3000

Step-by-step explanation:

640x3 = 1920

90x12 = 1080

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The voltage in a circuit is the product of two factors, the resistance and the current. If the voltage is 6ir + 15i + 8r+20, fin
zhuklara [117]

Answer:

  • resistance: (2r +5)
  • current: (3i +4)

Step-by-step explanation:

The factors of the given expression are ...

  6ir +15i +8r +20 = (3i +4)(2r +5)

Which factor is current and which is resistance is not clear. Usually, resistance is referred to using the variable r, so we suppose the expressions are supposed to be ...

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3 years ago
Jim runs 12 miles in 4 hours how many feet does he run per minute
hjlf

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m= number of miles

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Then, convert miles to feet. And hours to minute.

To do this simultaneously,

Convert miles to feet and hours to minutes.

There should be 3 "fractions" to multiply.

The first should be the original problem:

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The third should be 5280 ft/1 mile. (5280 feet per mile).

The second and the third fractions are to convert miles to feet and the hours to minutes.

8 0
3 years ago
How do you know if when he sees you for the first time than he likes you?
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Step-by-step explanation:

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6 0
3 years ago
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13. What is the highest number of degrees that an angle can have?<br> 180<br> 360<br> 90<br> 270
kykrilka [37]

Answer:

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Step-by-step explanation: A full angle is 360. 90*4=360.

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2 years ago
1) Two similar rectangles are shown. Which statement is true? A) The area of rectangle B is 1 3 the area of rectangle A. B) The
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