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Ipatiy [6.2K]
3 years ago
9

PLEASEEE HELP ME PLEASEE!!

Mathematics
1 answer:
pogonyaev3 years ago
7 0
The 3rd one i’m pretty sure
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Mariko has an 80: 1 scale drawing of the floor plan of her house. On the floor plan
Ivan

Answer:

16,771.56 square feet.

Step-by-step explanation:

In order to get to the result we will need to use the scale and the numbers that are provided of the dimensions of the room.

The dimensions of the room on the floor plan are 17.8 inches by 21.2 inches. We first need to multiply these numbers with the scale:

17.8 x 80 = 1,424

21.2 x 80 = 1,696

Now that we got the real measures we need to multiply these two values in order to get to a result as in how many square inches is the room:

1,424 x 1696 = 2,425,104

Now we need to convert the square inches into square feet to get to the final result:

1 ft² = 144 in²

2,425,104 / 144 = 16,771.56

So we have a result of 16,771.56 square feet.

4 0
3 years ago
Is anyone willing to help me with my math homework? i don’t really understand it :/
____ [38]
I’ll try to tutor you. What’s it about?
6 0
3 years ago
Read 2 more answers
At an assembly 7 out of the first 10 students who entered the gym we're carrying a backpack. Based on this on formation if 700 s
Romashka [77]

Answer:

490 students have back packs

Step-by-step explanation:

700 / 10 = 70

70* 7 = 490

6 0
4 years ago
Read 2 more answers
Approximate -10 + √30 to the nearest tenth.<br> O-5.5<br> O-4.5<br> 04.5<br> O5.5
xxTIMURxx [149]

Answer:

  (b)  -4.5

Step-by-step explanation:

Choosing the correct answer here is not the same as knowing what the correct value is.

<h3>Estimate</h3>

You know that √30 < √100 = 10, so the sum must be negative. That is, 10 subtracted from a positive number less than 10 will give a negative result.

You know that 25 < 30 < 36, so √25 < √30 <√36. That is, √30 will be between 5 and 6. If we say √30 ≈ 5.5, then the sum is ...

  -10 +√30 ≈ -10 +5.5 = -4.5

__

<em>Additional comment</em>

Of course, a calculator can tell you the value to the desired precision.

5 0
1 year ago
Twice the difference of a number and 9 is at most -15
xxMikexx [17]
I think it is 18 but i am not that sure 
4 0
3 years ago
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