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Elis [28]
3 years ago
15

Are the lines parallel, perpendicular, or neither? y = 7x +3 y = 1/7x - 5

Mathematics
1 answer:
Oduvanchick [21]3 years ago
6 0

Answer:

Neither (Answer)

Step-by-step explanation:

Comparing both the equations with slope-intercept form (y = mx + c), where 'm' is the (slope/gradient) and and 'c' is the (y-intercept).

  • If slopes are equal then the lines are parallel
  • If the product of slopes is equal to '-1' then lines are perpendicular
  • Otherwise, lines are intersecting (Neither)

Note: If the slopes are equal as well as the y-intercepts then they are same lines (overlapping) i.e lines are scaler multiple of each other.

Slope of line 1 = m1 = 7

slope of line 2 = m2 = 1/7

neither the slopes are equal nor the their product is equal to '-1'

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J=(7x+13) K=(83-2x) and the sum of the measures of the angles is 141. What is the measure of each angle
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Answer:

j=76 and k=65

Step-by-step explanation:

j + k = 141 \\ 7x + 13 + 83 +  - 2x = 141 \\ 96 + 5x = 141 \\ 5x = 141 - 96 \\ 5x = 45 \\ x =  \frac{45}{5}  \\ x = 9 \\ j = (7 \times 9 + 13) \\ j =76 \\ k = 83 - 2(9) \\  = 83 - 18 \\  = 65

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3 years ago
2. Choose all the expressions that are equal
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6 0
4 years ago
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at a baseball game, a vender sold a combined total of 221 sodas and hot dogs. the number of hot dogs sold was 59 less than the n
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Answer: there were 81 hotdogs and 140 sodas sold
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