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3 years ago

Amit built a sand castle that measured 151 centimeters by 159 centimeters, and dug a moat around it.

Mathematics

1 answer:

Zigmanuir [339]3 years ago

6 0

Answer:

Step-by-step explanation:

amit built a sand castle that measured 151 centimeters by 159 centimeters, and dug a moat around it.

Afterward,they decided to change the castle size, making it 127 centimeters by 233 centimeters.

How much longer will the new moat be than the old one?

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(d) State any two(2) properties of a semiconductor material.

Stolb23 [73]

Answer:

Semiconductors are somewhere in-between conductors and insulators. This means that they are specific when it comes to conducting electricity meaning that their conduction of electricity varies based on their condition at the time.

For instance, they can conduct electricity when heated.

Properties:

1. Perfect insulator at Absolute Zero.

As mentioned above, semi conductors are better at conducting electricity when they are heated. At Absolute zero - the lowest temperature possible - therefore, these materials would conduct absolutely no electricity thereby making them perfect insulators.

2. More resistance than Conductors but less than Insulators

As mentioned above, they have properties in-between those of insulators and conductors. One of those is their resistance. They can resist more than conductors but less than insulators.

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3 years ago

Combine like radicals to get your answer. image attached

Lena [83]

I believe it’s -6 square root of 2 + 3 square root of 4 + 6 square root of 5

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4 years ago

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Mazyrski [523]

1:17 am is the answer

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3 years ago

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A rectangular field has an area of 162 m2.

Fed [463]

Answer:Length: 27m

Step-by-step explanation:

the formula of area of rectangle is : width*length
so we just replace the values in the formula
162=6*Length
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3 years ago

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Natalie is playing the Integer Game and only shows you the four cards shown below. She tells you that the rest of her cards have

leva [86]

Missing part of question

(a) If all matching cards will increase her score by 18, what are the matching cards

(b) If all matching cards will decrease her score by 12, what are the matching cards

See attachment for cards

Answer:

(a) 9 card number 2 or 6 card number 3

(b) 6 card number -6

Step-by-step explanation:

Given

The number on the cards are: 2, 3, -6 and 4

Solving (a): An increment of 18

From the card numbers attached, there are 3 positive numbers and 1 negative number

If any of the card numbers is to increase her score, then the card number must be positive. So, we have: card numbers 2, 3 and 4 that fit in this category.

Next, for a card number to give an increment of 18; the card number must be a factor of 18.

So, we have:

$\frac{18}{2} = 9$