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docker41 [41]
3 years ago
15

To which subsets of the real numbers do the number 1.68 belong to

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
7 0
1.68 belongs to rational numbers
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Joe's bathroom floor is 5 feet wide and 8 feet long.  He will cover the floor with 3" square tiles.  How many tiles does Joe nee
krek1111 [17]
<span>Multiply the length and width together to get the total required area - 5*8 = 40. Now each tile covers 3 inches and you need to cover 40 feet, so convert feet into inches by multiplying 40 by 12 (480). Now divide 480 (desired area) by 3 (how much each tile covers) to get 160 - the amount of tiles you'll need.

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4 0
3 years ago
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The coffee merchant plans to mix some fancy $6.50 per pound ground coffee called royal soil with 10 pounds of a lowly $2 per pou
taurus [48]

Answer and explanation:

Given:

Royal soil= $6.50 per pound

Royal peasant = $2 per pound of 10 pounds

Blend total pounds is x+10, price is unknown hence solved below

Using algebra

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$6.50(x)+$2(10)=6.50x+20/x+10(x+10)

= 6.50x+20= 6.50x²+85x+200

8 0
3 years ago
An equation with a 9 as a result
Lyrx [107]
3x+3=9
x=2
that way the answer is 9
5 0
3 years ago
Vertical? Supplementary? Right? Complementary?
Reika [66]

Answer:

D

Step-by-step explanation:

because we know that angle EOD is less the 90 so that means that it is complementary. For AOB it is  the same but we can check by adding 35 plus x plus 90 =180 degrees  so 35+90=125  x=180-125=55 so x=55 and 55 is less then 90  so it is a complementary angle.

7 0
3 years ago
Below are the lengths (in minutes) of phone calls made on an 800 line to a business on one day. Fine the five-number summary for
RoseWind [281]

Answer :19

19\

Step-by-step explanation:

3 0
3 years ago
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