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Stells [14]
2 years ago
9

Please I need help!! Thank you

Mathematics
1 answer:
Artemon [7]2 years ago
6 0
BD=10 because it is symmetrical to AD.
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The formula for the area of a rectangle is A = low. Solve the formula for I
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L = A/W

Length equals area divided by width

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3 years ago
Zachary travels on a journey of 50 miles. He spends half of
Mars2501 [29]
I divided 50 miles by 2 = 25 miles (walked) 25 miles (horseback)
I divided 25 by 3 = 8.33
I divided 25 by 9 = 3
Added together = 8.33 + 3 = 11.33
So time to complete the journey 11.33 hour
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What are the steps to solving the inequality 3b + 8 > 14
I am Lyosha [343]

Answer:

b > 2

Step-by-step explanation:

  1. 3b + 8 > 14
  2. Subtract 8 on both sides
  3. 3b > 6
  4. divide by 3 on both sides
  5. b > 2
7 0
2 years ago
-7/8 - 6=-3/8 - 14 what is the answer
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answer is: 8 as in a whole number 4/8
6 0
3 years ago
Can you answer 20-23 and please show work. Need on Thanks-giving or earlier.
Paha777 [63]
20. parallel lines will have the same slope, but different y intercepts
      In y = mx + b form, the slope is in the m position and the y intercept is        in the b position.
      So y = 3x + 4 and y = 3x + 6 are parallel lines

21. perpendicular lines will have negative reciprocal slopes.
      lets say u have a line..y = 2/3x + 4....the slope here is 2/3. To find the negative reciprocal, flip the slope and change the sign. So we have 2/3, flip the slope making it 3/2, change the sign making it -3/2. So ur perpendicular line will have a slope of -3/2.
so ur equations can be : y = 2/3x + 4 and y = -3/2x + 4

22. y = 2x + 5...slope here is 2. Parallel lines have the same slope.

y = mx + b
slope(m) = 2
(-3,1)...x = -3 and y = 1
sub and find b, the y int
1 = 2(-3) + b
1 = -6 + b
1 + 6 = b
7 = b
so this equation is : y = 2x + 7

23. 4x + 3y = (I cant see the last number..but we dont need it)
      3y = -4x + ?
      y = -4/3x + ?.....slope here is -4/3. A perpendicular line will have a negative reciprocal slope. So out perpendicular line will have a slope of 3/4.

y = mx + b
slope(m) = 3/4
(-8,-5)...x = -8 and y = -5
sub and find b, the y int
-5 = 3/4(-8) + b
-5 = - 6 + b
-5 + 6 = b
1 = b
so ur equation is : y = 3/4x + 1
5 0
3 years ago
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