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gladu [14]
3 years ago
10

Solve 3x+9 so it has one solution

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

3x+9=0

3x=-9

x=-9/3=-3 is your answer

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Which of the following scatterplots do not show a clear relationship and would not have a trend line?
UNO [17]
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4 0
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ABCD is rectangle on a coordinate grid with side AB parallel to side CD. Side BC is perpendicular to AB. The slip of AB is 3/4.
dybincka [34]

The slope of BC is \frac{-4}{3}

Step-by-step explanation:

Let us revise some notes about slopes of lines

  • If two lines are parallel, then their slopes are equal
  • If to lines are perpendicular, then the product of their slopes is -1, that means if the slope of one is m, then the slope of the other is \frac{-1}{m}

∵ ABCD is a rectangle

∵ AB // CD

∴ The slope of AB = the slope of CD

∵ BC ⊥ AB

∴ The slope of BC × the slope of AB = -1

∵ The slope of AB = \frac{3}{4}

- To find the slope of BC reciprocal the slope of AB and reverse its sign

∴ The slope of BC = \frac{-4}{3}

The slope of BC is \frac{-4}{3}

Learn more:

You can learn more about the slope in brainly.com/question/9801816

#LearnwithBrainly

6 0
3 years ago
Divide fractions: 5/6 divided by 6/10 (leave as improper fraction if necessary)
tankabanditka [31]

Answer:

25/18

Step-by-step explanation:

5/6 / 6/10

K    C    F

5/6 * 10/6

50/36 = 25/18

5 0
3 years ago
If Chris has 2 times as many nickels as quarters and they have a combined value of 210 cents, how many of each coin does he have
BlackZzzverrR [31]
Im pretty sure she has 6 quarters and 12 nickels since it it twice as much.

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$0.5 x 12 =60

total = 210
8 0
3 years ago
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