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andrew11 [14]
3 years ago
9

The difference between three times a number and 7 is 14

Mathematics
2 answers:
ale4655 [162]3 years ago
7 0
The sentence in numerical form is 3x-7=14
to solve, add 7
3x=21
then divide by 3
x=7
Stels [109]3 years ago
6 0
3x -7 = 14

3x - 7 (+7) = 14 (+7)

3x = 21

3x/3 = 21/3

x = 7

hope this helps
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Is this right. If it is thanks
Natali [406]

Answer:

yes

Step-by-step explanation:

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4 0
3 years ago
What is 5 8/12 as a mixed number in its simplest form
Elena-2011 [213]

Answer:

5 2/3

Step-by-step explanation:

Just keep simplifying 8/12 until you end up with 2/3

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6 0
3 years ago
a car can travel 1 km in 1 minute and 12 seconds. How many km will the car travel in 1 hour at the given rate?
vampirchik [111]
    1km                 x
------------- =  ------------
1.12 mins      60 mins


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3 0
3 years ago
How many gallons of paint are required to paint the walls of a building having l= 50 ft w= 40 ft. h =80ft.
Brums [2.3K]
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5 0
3 years ago
X^2-18x=-72<br><br> I need two solutions. Thanks.
eimsori [14]

Hey Astute!

Solve: x^2 - 18x = -72

Solution:

x^2 − 18x − (−72) = −72 − (−72) (Subtract -72 from both sides of the equation)

x^2 − 18x + 72 = 0

(x − 6) (x − 12) = 0 (Factor left side)

x − 6 = 0 or x − 12 = 0 (factors have to equal 0)

6 - 6 = 0 or 12 - 12 = 0

Answer:

x = 6 or x = 12

Hope This Helps, Have a Great Day!

7 0
3 years ago
Read 2 more answers
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