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Sunny_sXe [5.5K]
3 years ago
6

What is the slope of the line that passes through the points (-2,-1) and (2,-3) answer in simplest form

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0

Answer:

Step-by-step explanation:

(-3 + 1)/(2 + 2)= -2/4= -1/2 is the slope

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13 is the answer.

Step-by-step explanation:

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Which shows the correct order of steps in the formation of coal​
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D: Dead plants fall in swamp...

This is the answer because the plants must begin to accumulate in a location, then continue to build tall enough for the rest of the process to continue.

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5 0
3 years ago
Need help can someone plz help me solved this problem ASAP! Need help I will mark you as brainiest
Lapatulllka [165]

Answer: 24, 33

              2.5, 4.75

              9.5, 11.75

<u>Step-by-step explanation:</u>

It is given that the PERIMETER is BETWEEN 24 and 33

-->          24 < P < 33

Graph:   O------------------O

            24                    33

Perimeter = 2w + 2L

It is given that L = w + 7

Substitute P with 2w + 2L and substitute L with w + 7

                24 <  2w + 2(w + 7) < 33

                 24 < 2w + 2w + 14 < 33    

                  10 <          4w        < 19    

-->             2.5 <          w        < 4.75          

Graph:       O--------------------------O

                 2.5                         4.75

Since L = w + 7, then w = L - 7

Substitute P with 2w + 2L and substitute w with L - 7

                24 <  2(L - 7) + 2L < 33

                 24 < 2L + 2L - 14 < 33    

                 38 <          4L        < 47    

-->             9.5 <          L        < 11.75  

Graph:      O------------------------O

                9.5                          11.75

<em>NOTE: Make sure you use OPEN dots on the graphs.</em>

3 0
3 years ago
Miss Lim bought some puzzles for her pupils in the Maths Club. She bought a total
xxMikexx [17]

Answer:

She bought 24 Tangram puzzles

Step-by-step explanation:

Let the number of Tangram puzzles be t and the number of IQ puzzles be i

The sum of all the puzzles is 40;

i + t = 40 ••••••(i)

Cost of all Tangram puzzles at a cost of $4 per one will be;

4 * t = $4t

cost of all Iq puzzles at a cost of $2 per one is

2 * i = $2i

Sum

paid for all is $128

so;

4t + 2i = 128 •••••••(ii)

From equation i;

i = 40-t

Substitute into ii

4t + 2(40-t) = 128

4t + 80 - 2t = 128

2t = 128-80

2t = 48

t = 48/2

t = 24

6 0
2 years ago
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