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Vaselesa [24]
3 years ago
13

What is one three fourths minus seven tenths

Mathematics
1 answer:
Butoxors [25]3 years ago
5 0




<u>1.05, or 21/20</u><u>

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<u />More detailed:
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dolores and four friends went to a buffet dinner.The total cost was at most $130 including the $20 dollar tip they left.How much
Levart [38]
So the actual meal was at most 130 dollars they paid minus the 20 dolars tip: 130-20=110 dollars.

it was 5 people: Dolores+5 friends, who presumably all paid the same (buffet).

then we have to divide the 110 among the 5 people: it's 110/5=22

so each of them paid at most 22 dollars:

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3 years ago
12 grapes cost 90 $how many can bought in 40$
likoan [24]

Let x = the amount of grapes that can be bought for 0.40.


Note: By 90 I assume you mean 90 cents. The same for 40.


12/x = 0.90/0.40


0.90x = 12(0.40)


0.90x = 4.80


x = 4.80 ÷ 0.90


x = 5.33333


We can round the decimal to the ones place to get 5 grapes.




4 0
3 years ago
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How to simplify this expression??
sdas [7]

Answer :

1

Step-by-step-explanation :

{x}^{2}  + 4x + 5 -  {(x + 2)}^{2}  \\  {x}^{2}  + 4x + 5 - ( {x}^{2}  + 4x + 4)   \\

{x}^{2}  + 4x + 5 -  {x}^{2}  - 4x - 4 =  {x}^{2}  -  {x}^{2}  + 4x - 4x + 5 - 4 = 5 - 4 = 1

8 0
3 years ago
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Jose walked 5 miles in 2 hours. What was his walking rate in miles per hour?
balandron [24]
It is 2.5 miles per hour
3 0
3 years ago
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find the slope/ rate of change of the two points. Identify whether it is positive, negative, undefined or zero. (0,15) and (16,-
weqwewe [10]

Answer:1.7 its positive

Step-by-step explanation: 0,15 .  16,-12

y1-y2/x1-x2

15-(-12)= 27

0-16= 16

27/16 = 1.7

4 0
3 years ago
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