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o-na [289]
3 years ago
12

How should this model be completed to represent 820 ÷ 17

Mathematics
1 answer:
EleoNora [17]3 years ago
5 0

Answer: 820/17 lol

Step-by-step explanation: coz I juss know

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Use the Distributive Property to find (z−5)(z+3).
Anastasy [175]
Consider, (z-5)(z+3). Let's say a = z-5 then the problem reduces to a(z+3)=za+3a. (Do you understand this step?)

So then replacing a again with our definition we get, z(z-5)+3(z-5)=z^2-5z+3z-15=z^2-2z-15.
4 0
3 years ago
One cup of​ grated, fresh Parmesan cheese weighs 3 ounces. How many cups of grated cheese can you expect to get from a​ 4.5-poun
Ksenya-84 [330]

Answer:

9 cups

Step-by-step explanation:

If one pound is equal to 2 cups, then you would multiply 2 by 4, which gives you 8. If one pound equals 2 cups, then half a pound equals 1 cup. So since we already have 8 cups, you just add one more cup, which gives you 9 cups total

SUMMARY: You can expect to get 9 cups of grated parmesan cheese from a 4.5-pound block.

5 0
2 years ago
The ratio of the number of boys to the number of girls at school is 4:5. what fraction of the students are boys?
Arisa [49]
Boys to girls is 4:5.......added = 9

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5 0
3 years ago
(2z + 1)(2) = <br> Answer this please
djverab [1.8K]

Answer:

4z+2

Step-by-step explanation:

2z * 2=4z   &  1*2=2

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3 years ago
Find the product of (x + 5)2.<br><br> x2 − 10x + 25<br> x2 − 25<br> x2 + 25<br> x2 + 10x + 25
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if the question is (x + 5)^2, the product is x^2 + 10x + 25.

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3 years ago
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