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Alisiya [41]
3 years ago
9

What is the distance in units from (2, - 12) to (-11, - 12) on the coordinate place?

Mathematics
1 answer:
mezya [45]3 years ago
7 0

Answer:

B: 13

Step-by-step explanation:

we are given two points as

(2, - 12) and  (-11, - 12)

so,

x_1=2,y_1=-12

x_2=-11,y_2=-12

now, we can use distance formula

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

now, we can plug values

d=\sqrt{(-11-2)^2+(-12+12)^2}

d=\sqrt{(-11-2)^2+0}

d=13

So,

The distance is 13

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Answer:

Step-by-step explanation:

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4 0
3 years ago
What is the percentage of 1669 out of 25
fomenos

Answer:

6676%

Step-by-step explanation:

25 times 4 = 100

1669 times 4 = 6676

6676/100 = 6676%

8 0
3 years ago
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Lisa lit a candle with a height of 8 inches. When lit, this candle loses 10% of its original
Ivanshal [37]

Answer:

  • 1.25 hours or 1 hour and 15 minutes

Step-by-step explanation:

<em>Question</em>

  • <em>Lisa lit a candle with a height of 8 inches. When lit, this candle loses 10% of its original  height every hour. </em>
  • <em>Please complete the following sentence by writing the number in the blank.   Until the candle has been burning for at least _______ hours, the height of Jennifer's candle will be more than 7 inches.</em>

<u>Candle looses 10% of 8 inches, it equals:</u>

  • 8*0.1 = 0.8 inches an hour

<u>Let x be required time, then:</u>

  • 8 - 0.8x > 7
  • 0.8x <  8 - 7
  • 0.8x  < 1
  • x  < 1/0.8
  • x  <  1.25
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7 0
3 years ago
3x+8-X=57-4<br> Is 7 a solution to the question
Diano4ka-milaya [45]

Answer:

7 is not a solution for x.

Step-by-step explanation:

To see if 7 is a solution for x, we will simply plug in the value for x and see if the left hand side is equal to the right hand side.

3x + 8 - x = 57 - 4

3(7) + 8 - (7) ?= 57 - 4

21 + 8 - 7 ?= 53

29 - 7 ?= 53

22 ?= 53  (( NO ))

Since 22 does not equal 53, 7 is not a solution for x.

Let's find the solution for x:

3x + 8 - x = 57 - 4

2x + 8 = 53

2x = 45

x = 22.5

Let's validate this solution for x:

3x + 8 - (x) = 57 - 4

3(22.5) + 8 - (22.5) ?= 57 - 4

67.5 + 8 - 22.5 ?= 53

45 + 8 ?= 53

53 == 53  (( YES ))

Since 53 is indeed equal to 53, then 22.5 is a solution for x.

Cheers.

8 0
3 years ago
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Are these ratios equivalent?
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Answer:

Yes

Step-by-step explanation:

3:9 in their lowest forms are 1:3 which is the same for 6:18

5 0
3 years ago
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