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svetoff [14.1K]
3 years ago
6

The difference of twice a number and 7 is 17. Find the number.

Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0

Answer:

12

Step-by-step explanation:

lisov135 [29]3 years ago
3 0

Answer:

The number is 12.

Step-by-step explanation:

Model this with an equation:

Difference means subtraction.

let x represent the number

2x - 7 = 17

2x = 24   <= isolate x to solve

x = 12

The number is 12.

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Help thanks//////////??????????
3241004551 [841]

Answer:

Step-by-step explanation:

At the point where two line cut across, the vertically opposite angles formed are equal. This means that

2x degrees = 78 degrees

Dividing the left hand side and the right hand side of the equation by 2, it becomes

2x/2 = 78/2

x = 39

Checking,

The sum of the angles on a straight line is 180 degrees.

180 - 78 = 102 degrees

2x + 102 = 180

2x = 180 - 102 = 78

x = 78/2 = 39

8 0
3 years ago
Read 2 more answers
Twelve of the 40 cars pulled by the locomotive were tankers.
quester [9]
12 are tankesr
40 cars total
12/40
12/40=6/20=3/10

3/10=tankders
10/10-3/10=7/10
7/10=70/100=70%
70% wern't tankser
3 0
3 years ago
The graph shows the functions f(x), p(x), and g(x):
Zinaida [17]
A) The solutions to this set of equation is where the graphs cross. They cross at point (-3, -2).

B) The solutions for f(x) would be points that fall on the graph of f(x). Two possible points are (-3, -2) and (-7, 3)

C) These 2 functions cross at (4, 1). That is the solution.
3 0
3 years ago
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djverab [1.8K]

Answer:

24.12-9.8=24.32

Step-by-step explanation:

hope this helps, sorry I'm bad at explaining, but just trust me it is this im 100% positive.

7 0
3 years ago
Read 2 more answers
I need help with question three
miss Akunina [59]

Hey there!

<u>-3 and 1 will both be farther to the right on the number line.</u>

On a number line, the farther right you go, the higher the values get.

Positive numbers are to the right of zero, with negative numbers to the left.

Since both -3 and 1 are larger than -7, they will be farther to the right.

Hope this helps!

3 0
3 years ago
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