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Vikentia [17]
3 years ago
8

9(2a+2) equivalent expression

Mathematics
1 answer:
ollegr [7]3 years ago
3 0
Multiply 9 by 2a and 2, and you get 18a + 18. Another equivalent expression would be 18(a+1), which you can get by factoring the above answer.
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What number has 62 hundreds and 5 tens
fomenos

Answer:

6250

Step-by-step explanation:

Definition of the question

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2 years ago
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Does this graph show a function? Explain how you know.
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A. It passes the vertical line test
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The number of frogs on the pond is Proportional to the number of salamanders placed in the pond. Suppose there are 10 Frog’s for
bonufazy [111]

Answer:

Y=10x

(multiply 10 times the salamanders)

Step-by-step explanation:

a formula that can be used for this circumstance is a linear y=mx+b problem. for 1 salamander there are 10 frogs. so with this we can state that y=10x. whatever you plug into the x for the number of salamanders will give you the answer of how many frogs are in the pond. for example.

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also because 10 is a nice number you can just multiply the number of salamanders times 10. 3*10=30

4 0
2 years ago
A rectangle field has an area of 300 square meters and a perimeter of 80 meters. what are the length and width of the field?
Yakvenalex [24]
By definition the area of a rectangle is:
 A = w * l
 The perimeter is:
 P = 2w + 2l
 Where,
 w: width
 l: long
 Substituting values:
 300 = w * l
 80 = 2w + 2l
 Solving the system of equations we have:
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 Answer:
 
The length and width of the field are:
 
l = 30 m
 
w = 10 m
6 0
3 years ago
Somebody help me with this question!
dimulka [17.4K]

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7 0
2 years ago
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