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yuradex [85]
3 years ago
14

The sum of 2 times a number and -7, added to 5 times the number

Mathematics
2 answers:
Anna007 [38]3 years ago
6 0
Let x be the number
2x - 7 + 5x
=7x-7
NeTakaya3 years ago
6 0

Answer:

-2.33

Step-by-step explanation: Added to means summed up to give

Let the number be represented by a;

2a + (-7) = 5a

2a-7 =5a

2a =5a+7

2a-5a = 7

-3a = 7

a = 7/-3

a = -2.33

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A house blueprint has a scale of 1in : 10ft the length and width of each room in the actual house are shown in the table complet
anygoal [31]

Answer:

30x40=3inx4in    

50x50=5inx5in

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30x30=3inx3in

35x40=3.5inx4in

Step-by-step explanation:

4 0
3 years ago
can someone help me. i am struggling to do this question. i need the other two boxes and thats it. please. who ever gets it righ
Sedaia [141]
The number of people who grow potatoes is 3 times the number that grow sugar beet.
 ⇒ 48 + x = 3( x + 12)

--------------------------------------------
Solve for x :
--------------------------------------------
48 + x = 3( x + 12)
48 + x = 3x + 36
2x = 12
x = 6

--------------------------------------------
People who do both grow either.
--------------------------------------------

Number of people who does not grow potato or sugar beets = 100 - 48 - 12 - 6 = 34

------------------------------------------------------------------------------
Answer: The answers are 6 and 34.
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"6" is inbetween "48" and "12". 
"34" is outside the two circles.
3 0
3 years ago
Select the proper order from least to greatest for 2⁄3 , 7⁄6 , 1⁄8 , 9⁄10 . A. 2⁄3 , 9⁄10 , 7⁄6 , 1⁄8 . B. 7⁄6 , 9⁄10 , 2⁄3 , 1⁄
Nataly_w [17]
The correct answer is B.
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5 0
3 years ago
Read 2 more answers
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Step-by-step explanation:

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Total amount needed for experiments are :

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2 years ago
Please help me with the answers
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