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mr Goodwill [35]
3 years ago
15

Simplify the expression. 7(x - 1) - 2(x + 1) + 3( x - 4) =

Mathematics
2 answers:
lawyer [7]3 years ago
8 0
7x-7-2x-2+3x-12=8x-21
  I think
KonstantinChe [14]3 years ago
3 0
8x-21 is the correct answer
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Someone please answer this, I would really be appreciative.
Iteru [2.4K]

Answer:

y-30 = 3(x-1)

Step-by-step explanation:

Point-slope form of an equation is

y-y1 = m(x-x1)  where (x1,y1 ) is a point and m is the slope

We know on day 1 they exercised 30 minutes (1,30) where x is the number of days and y is the minutes.  The rate increased 3 minutes each day so m = 3

y-30 = 3(x-1)

3 0
2 years ago
What is the slope<br> A. Undefined <br> B. 0
Tasya [4]
i think its undifined
maybe it is. Because you can't see something there
3 0
3 years ago
A- CE=CD <br> B- CE = CA <br> C- BF=DF <br> D- DF=EF<br><br> please help!!
Oksana_A [137]

The perpendicular bisector theorem gives the statements that ensures

that \overleftrightarrow{FG} and \overleftrightarrow{AB} are perpendicular.

The two statements if true that guarantee  \overleftrightarrow{FG} is perpendicular to line \overleftrightarrow{AB} are;

  • \overline{CE} = \overline{CD}
  • \overline{DF} = \overline{EF}

Reasons:

The given diagram is the construction of the line \mathbf{\overleftrightarrow{FG}} perpendicular to line \mathbf{\overleftrightarrow{AB}}.

Required:

The two statements that guarantee that  \overleftrightarrow{FG} is perpendicular to line \overleftrightarrow{AB}.

Solution:

From the point <em>C</em> arcs <em>E</em> and <em>D</em> are drawn to cross line \overleftrightarrow{AB}, therefore;

\overline{CE} = \mathbf{\overline{CD}} arcs drawn from the same radius.

\overleftrightarrow{FG} is perpendicular to line \overleftrightarrow{AB}, given.

Therefore;

\overline{DF} = \overline{EF}  by perpendicular bisector theorem.

Learn more about the perpendicular bisector theorem here:

brainly.com/question/11357763

7 0
2 years ago
A ball has a circumference of 9.42 what is the diameter​
nataly862011 [7]
The diameter is 4,71
3 0
3 years ago
You have the numbers 1–24 written on slips of paper.If you choose one slip at random, what is the probability that you will not
ollegr [7]
The numbers that are divisible by 3 are:

3, 6, 9, 12, 15, 18, 21, 24
that is 8 numbers divisible by 3

24-8=16 numbers NOT divisible by 3

so the probability of not picking a number divisible by 3 is 16/24


hope this helps and is right :)
3 0
3 years ago
Read 2 more answers
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