3 years ago

Convert 4.9 x 10-3 in standard form

Mathematics

1 answer:

Anna11 [10]3 years ago

4 0

4,900

1.1 x 10^1

I hope this helps.

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Expand : (3x+5y)²<br>please answer

alukav5142 [94]

Answer:

FOIL: $9x^2 +30xy + 25y^2$

(3x + 5y)(3x+5y)

F: 3x*3x

O: 3x*5y

I: 5y*3x

L: 5y*5y

$9x^2 +30xy + 25y^2$

Step-by-step explanation:

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3 years ago

Highest common factor of 135 and 180

miskamm [114]

<span>the highest common factor is forty-five</span>

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3 years ago

Mrs lane took a survey of the types of pants her students were wearing. She collected the data of the types of pants her student

kirill [66]

It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.
Total number of students wearing jeans = 10
Total number of students wearing shorts = 9
Total number of students wearing capris = 2
Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)
= 21
Now percentage of students wearing shorts = (9/21) * 100
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   = 42.85 percent
So a total percentage of 42.85% of the students were wearing shorts.

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3 years ago

Make a table of 4 additional speeds equivalent to 50 miles per hour.

Nostrana [21]

Answer:

80.4672kmh

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Step-by-step explanation:

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3 years ago

What is the approximate side length of a square rug with an area of 64ft^2

DochEvi [55]

It could be 8ft, if the area is 64.

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