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Ivanshal [37]
3 years ago
13

HELP I will give Brainliest If Correct!! (Please Explain)

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0
You need to write this is scientific form.

In this case it’s: 0.4 * 10^11
Natasha_Volkova [10]3 years ago
3 0
3.8 × 10^10 you have to round the number
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Simplify the expression.<br> 3[(15-332-4]
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Answer:

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Step-by-step explanation:

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Art [367]

Answer:

y< -3/2x-2

Step-by-step explanation:

if you look at the graph, you can see the line is dotted, which means it is not equal to. eliminate a and c. the shade is toward the bottom of the y, which then you could eliminate a because b says the y value is greater than, which isn't true. you could also check it by plugging in any value for x!

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3 years ago
A rectangular floor is 7 yards long and 3 yards wide. what is the area of the floor in square feet? be sure to include the corre
mario62 [17]
There are a couple ways to do this, but basically you need to convert the units. 

<span>7 yards x 3 ft/yard = 21 feet </span>
<span>4 yards x 3 ft/yard = 12 feet </span>
<span>So the area (in sq. ft) will be: </span>
<span>21 x 12 </span>
<span>= 252 sq. ft. </span>

<span>Alternatively, you can figure the area in square *yards* and then multiply by 9 sq. ft per sq. yard. </span>
<span>7 yards x 4 yards x 9 sq. ft/sq. yard </span>
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3 years ago
Helpmeeejjrjjrjrjtktktktii
Artist 52 [7]

I would first convert the mixed fraction into an improper fraction. To put it lightly, the reciprocal is the numerator and denominator are switched. For this instance it would be 4/37.

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