Select all the parallelograms that have an area of 16 square units

Mathematics

1 answer:

Georgia [21]2 years ago

3 0

Answer:it's c and b

Step-by-step explanation:

It's c an b

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61% of 180 ?

poizon [28]

First, when multiplying percents, you need to convert them to decimals. You convert percents to decimals by multiplying by 100 or moving the decimal two places to the left. Once you convert them to full decimals, you multiply the decimal by the number that you are getting the percentage from

61% of 180⇒.61×180=109.8 

5.1% of 81?⇒.051×81=4.131

 $16 \frac{1}{2}$ of 36?⇒16.5×36⇒.165×36=5.94

81% of 241⇒.81×241=195.21

76% of 600⇒.76×600=456

88% of 680⇒.88×680=598.4

37% of 481⇒.37×481=177.97

19.1% of 380⇒.191×380=72.58

41% of 321⇒.41×321=131.61

33% of 331⇒.33×331=109.23

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2 years ago

Product of 7.69×5 be greater or less than its estimate of 8×5?

spayn [35]

The product is a bit less than the estimate. In fact, 7.69 is less than 8, and if you start with an equality, i.e.

$7.69 < 8$

you can multiply both sides by a positive number, and the inequality will still hold:

$7.69 \cdot 5 < 8 \cdot 5$

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2 years ago

3(8 - 2x) + 2(7x -19) simplify

Rina8888 [55]

The answer is -14+8x

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3 years ago

Is the simplified form of 2square root of 3 ⋅ square root of 12 rational?

viva [34]

No

it is not rational

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2 years ago

The sum of three times a number b and 33 is at least 35

Harlamova29_29 [7]

I love these problems, because it's just about reading the question. All you need to do is break it down. What do we know the "sum of" something is? We know that it means addition. What are we adding? "three times a number b and 33". Well, how can we express "three times b"? 3b! Right! Well, we know we're adding that to 33, so you're almost done. Right now you should have 3b+33. And what is 3b+33? at least 33. How can we express "at least"? >=, greater than or equal to, right! Finally, we have our answer. 3b+33>=35.

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2 years ago