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Tom [10]
3 years ago
14

sarah simplify each of the Expressions what is the difference between the values of the two expressions 3 * 12 - 9 + 10 * 3 (12

- 9 )+ 10
Mathematics
1 answer:
mylen [45]3 years ago
7 0
I don’t really knowwwwwww
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if u are really good at algebra and two way frequency tables please let me know i need some help on 3 questions.
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3 years ago
Please help (Determine the slope of the line. Show the work you did to find the slope.)
Scrat [10]

Answer:

slope of line is 3/5

Step-by-step explanation:

slope is the ratio of the change in the y-values over the change in the x-values

in this problem, if you go from pt A to pt B, you rise by 3 and go to the right by 5, thus slope of 3/5

if you go from pt B to pt C, you rise by 6 and go to the right by 10

however, 6/10 can be reduced to 3/5

if you start at point (0,2) and rise by 3 and run to the right by 5 you are at point (5,5)

change in y-values is 5-2 or 3

change in x-values is 5-0 or 5

(5-2)/(5-0) = 3/5

3 0
3 years ago
Each leg of a 45 45 90 triangle measures 12cm, what is the length of the hypotenuse
erastova [34]

Answer:

12√2

Step-by-step explanation:

Use the Pythagorean Theorem here:

(12 cm)^2 + (12 cm)^2 = 288 cm^2.  

The length of the hypotenuse is √288 = (√4)(√72) = 2(√36)(√2) = 12√2

8 0
3 years ago
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The coordinates of points A and L are -4 and 12, respectively. What is the coordinate of the midpoint between them?
Nostrana [21]
I'm not Totally sure but I'm pretty sure its B<span />
3 0
3 years ago
Mitchell walked 5/12 of a mile in 1/2 of an hour. At this rate, how far could Mitchell walk in 1 hour?
vovangra [49]

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2 \times  \frac{1}{2} hour = 1hour \\

Thus ;

2 \times  \frac{5}{12}  \:  \: miles =  \frac{10}{12}  \:  \: miles = \frac{5}{6}  \:  \: miles  \\

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6 0
2 years ago
Read 2 more answers
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