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soldi70 [24.7K]
3 years ago
6

Determine the slope from between the two given points (2,5) and (-2,8)?

Mathematics
1 answer:
marusya05 [52]3 years ago
5 0

Answer:

The slope is -3/4

Step-by-step explanation:

To find slope:

y1 - y2 / x1 - x2

(2,5) and (-2,8)

8 - 5 / -2 - 2

3/-4

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The work of a student to solve the equation 3(2x – 4) = 8 + 2x + 6 is shown below:
Blababa [14]
If you would like to know in which step did the student first make an error and what is the correct step, you can calculate this using the following steps:

3(2x - 4) = 8 + 2x + 6
6x - 12 = 8 + 2x + 6
6x - 12 = 14 + 2x ... Step 2
6x - 2x = 14 + 12
4x = 26
x = 26/4 = 13/2

The correct result would be Step 2; <span>6x - 12 = 14 + 2x.</span>
6 0
3 years ago
David is buying 3 books in a trilogy set for $24.81. He will save $6.69 by buying the trilogy set instead of buying individual b
Ainat [17]

Answer:

Cost of each individual book = $10.5

Step-by-step explanation:

Given:

Cost of 3 book set = $24.81

Amount save = $6.69

Find:

Cost of each individual book

Computation:

Assume:

Cost of each individual book = a

Total cost = 3a

So,

Total cost = $24.81 + $6.69

Total cost = $31.5

So,

3a = $31.5

a = $10.5

Cost of each individual book = $10.5

4 0
2 years ago
1.3 ½ days=______hrs.
spayn [35]
1) 84 hours
2) 2.4 meters
3) 4800 seconds
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8 0
2 years ago
the late fee for library books is $2.00 plus 15 cents each day for a book that is late. If Maria's fee for a late book was $3.20
love history [14]

Answer:

Maria's book was 8 days late

Step-by-step explanation:

According to the information given, you can write an equation that states that 15¢ multiply for the number of days that the book was late plus $2 is equal to $3.20:

0.15x+2= 3.20

x= number of days that the book was late

Now, you have to solve for x:

0.15x= 3.20-2

0.15x= 1.20

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The book was 8 days late.

5 0
2 years ago
How to solve <br> -22-(6)(-9)/3
lana [24]

Answer:

-4

Step-by-step explanation:

-22-(6)(-9)/3

= -22 -(6) (-3)

= -22 +18

= -4

8 0
3 years ago
Read 2 more answers
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