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3 years ago

Please answer answer question now

Mathematics

1 answer:

vekshin13 years ago

6 0

Answer:

The 4th option

Step-by-step explanation:

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Write an equivalent expression for -5(8-2x)

ololo11 [35]

-40-10x (I think, sry if it’s wrong)

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3 years ago

Select the graph of the solution set that would represent the following expression. 2 ( x + 1 ) > 3 x − 2

rewona [7]

Answer:

Step-by-step explanation:

x>4

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4 years ago

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Divide 405 in the ratio 4:11

Mariulka [41]

Step-by-step explanation:

Answer is in the photo

Hope it helllps

Good luck

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3 years ago

which sequences are arithmetic? check all that apply. –8.6, –5.0, –1.4, 2.2, 5.8, … 2, –2.2, 2.42, –2.662, 2.9282, … 5, 1, –3, –

sergiy2304 [10]

In an arithmetic sequence, the next term is found by adding a constant term to each number to arrive at the next number. The common difference can be found by subtracting the first term from the second term.

-8.6, -5.0, -1.4, 2.2, 5.8....the common difference here is 3.6
-8.6 + 3.6 = -5.0
-5.0 + 3.6 = -1.4
1.4 + 3.6 = 2.2
2.2 + 3.6 = 5.8
so this IS an arithmetic sequence.

2,-2.2, 2.42, -2.662, 2.9282...there is no common difference..so this is not an arithmetic sequence

5,1,-3,-7,-11....common difference is -4
5 + (-4) = 1
1 + (-4) = -3
-3 + (-4) = -7
-7 + (-4) = -11
this IS an arithmetic sequence

-3,3,9,15,21...common difference is 6
-3 + 6 = 3
3 + 6 = 9
9 + 6 = 15
15 + 6 = 21
this IS an arithmetic sequence

-6.2, -3.1, -1.55, -0.775, -0.3875...this is not an arithmetic sequence

4 0

3 years ago

Read 2 more answers

I need help if you do it you can have brainest

Ne4ueva [31]

9514 1404 393

Answer:

see below

Step-by-step explanation:

Starting from the point-slope equation ...

y -y1 = m(x -x1)

Solving for y gives ...

y = mx +(y1 -m·x1)

So, the slope-intercept form equation is fairly easily found:

y = mx +b . . . . where m = m, and b = y1-m·x1

This is the equation we have used for 'b' in the attached spreadsheet.

Of course, the formula for slope is ...

m = (y2 -y1)/(x2 -x1)

This is the equation we have used for 'm' in the attached spreadsheet. For all problems, we have used the first point. (It doesn't matter which point you use if there are two of them.)

The second attachment is the Google Sheets spreadsheet saved in ODS format. Most spreadsheet programs should be able to open that so you can see the formulas, if you're interested. (The gray values of m are computed using the two points. The unshaded values of m are entered by hand.)

_____

I'll write a couple of equations in each group so you can see how the spreadsheet numbers relate:

y = mx +b

1. y = 2x -7

3. y = 2/3x +4

8. y = 1/3x -5

9. y = -5/2x +4

6 0

3 years ago