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sammy [17]
3 years ago
6

Find the sum of (8a + 2b - 4)

Mathematics
2 answers:
Zepler [3.9K]3 years ago
6 0
You can factor this, so here is it factored:
2(4a+b-2)
Svetradugi [14.3K]3 years ago
4 0

Answer:

There is really no answer to this because this is the furtherest you can go to simplify this expression. I can help solve it if you give me more information, or you tell me what the value of a and b is so I can solve it.

Thanks!

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Mick paid $2.94 in the sale tax on an item that cost $24.00 before tax. At that rate how much would he pay in sale tax for an it
s344n2d4d5 [400]
You could do this with a simple proportion.

24/2.94 = 58/x
x = 2.94 * 58/24
x = 7.11
5 0
4 years ago
Please help, i really beg
adelina 88 [10]

Answer:

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3 years ago
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5 0
3 years ago
The table below represents the total number of laps Jessica swam in the pool this summer:
Minchanka [31]

Compare the linear function given with the slope-intercept form of a line, given by,

y=mx+b

Where m is the slope and b is the y-intercept.


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<em>It means for </em><em>every unit increase in w (weeks)</em><em>, there is a </em><em>10 unit increase in number of laps</em><em>. </em>

This is choice 4.


ANSWER: "The number of laps Jessica increased her swim by each week"

3 0
4 years ago
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I need help with 1-3 please and help!
Ghella [55]

Answer:

Q : 3

10x - 11 = 120 - 11 = 109°

 3x - 2    = 36 - 2  = 34°

 3x + 1     = 36 + 1  = 37°

Q ; 2

3x - 5 = 27 - 5= 22°

7x + 5 = 63 + 5 = 68°

And 90°

Q1 :

∠1 = 92°

∠2 = 42°

∠3 =  113°

Step-by-step explanation:

Solution for Q : 3

As the angle of all three is given as ,

10x - 11

3x - 2

3x + 1

We know sum of all the three angles of triangle = 180 °

So, (10x - 11) + (3x - 2) + (3x + 1) = 180°

Or,   16x - 12 = 180°

Or     16x = 192°, So    , x = 12

So, all three angles are 10x - 11 = 120 - 11 = 109°

                                       3x - 2    = 36 - 2  = 34°

                                       3x + 1     = 36 + 1  = 37°

Solution for Q - 2

Given angles are

3x - 5

7x + 5

90°

We know sum of all the three angles of triangle = 180 °

so ,(3x - 5) + (7x + 5) + 90 = 180°

or 10x  =                       180 - 90 = 90°

SO, x = 9°

SO, all the three angles are 3x - 5 = 27 - 5= 22°

                                              7x + 5 = 63 + 5 = 68°

And                                                                    90°

Solution for Q : 1

From,

the shown fig it is clear that

The ∠2 = 42°      (<u> opposite vertical angles</u> )

so, in  left triangle

50° + ∠2 + ∠1  = 180°

Or,  50° + 42° + ∠1 = 180°     ( sum of all angles of triangles = 180°)

Or, ∠1 = 92°

 Again

From right figure triangle

∠2 + 25° + ∠3 = 180°

Or, 42° + 25° + ∠3 = 180

Or, ∠3 = 113°

3 0
3 years ago
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