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forsale [732]
3 years ago
14

If x is 5, then 6x= __.

Mathematics
2 answers:
Vitek1552 [10]3 years ago
7 0

If we know that X = 5, we can figure out what 6x equals.

When the X appears next to the 6, this is telling us that we need to multiply 6 by the value of X. If X = 5, then our equation will read 6x = 30.

6 times 5 = 30

Therefore, 6x is equal to 30.

Misha Larkins [42]3 years ago
5 0

Answer:

30

Step-by-step explanation:

Plug in x:

6(5)=30

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I need help with these two equations
Ivan

for these you need to rearrange the equations and do substitutions.

 #3 = if x+y=5 then you know x = 5-y

 now substitute that equation for x in the 2nd one so x + 2y = 8 becomes

5-y + 2y = 8 2y - y becomes 1y which becomes y then subtract 5 from each side to get y =3

now replace y with 3 in the first equation x = 5-3 so x = 2 

 so (2,3) is the answer


 same type of work for #4

2x-y=6 ,S0 y = 2X+6

 so now you have 4x+2(2x+6)=-4

that becomes 4x +4x+12 = -4

8x+8 = 1, x =1

y = 2(1)-6 = -4

 so answer is (1,-4)

7 0
3 years ago
Part A: You have $0.80 in your backpack in dimes and quarters. Let x represent the number of dimes and y represent the number of
Alik [6]
Part A: 0.10x + 0.25 = 0.80 (dimes are 10 cents or 0.10 dollars, quarters are 0.25 dollars)
Part B: Plug in what you DO know and solve the one you DON’T:
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0.10x + 0.50 = 0.80. Subtract 0.50 from both sides:
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x = 3
Therefore you have 3 dimes
8 0
3 years ago
What is the range of this data<br> (3,3,08,7,10,2,6,12,0)<br> A 7.5<br> B 6.5<br> C 10<br> D 12
solniwko [45]
The range is 12. (12-0)
6 0
3 years ago
A face of a solid is
nalin [4]

Answer:

In solid geometry, a face is a flat (planar) surface that forms part of the boundary of a solid object; a three-dimensional solid bounded exclusively by faces is a polyhedron. (OR) A face is a 2D shape that makes up one surface of a 3D shape, an edge is where two faces meet and a vertex is the point or corner of a geometric shape.

Step-by-step explanation:

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3 years ago
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Ask every fifth person that exits the school
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