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Xelga [282]
3 years ago
13

Cory predicts it will take him 64 minutes to travel to Baltimore from Washington D.C. If the trip actually took 74 minutes, what

was Cory's percent error? Round your answer to the nearest tenth of a percent.
Mathematics
1 answer:
n200080 [17]3 years ago
6 0

Answer:13.5



Step-by-step explanation:

the answer is 13.5


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A variable that takes on the values of 0 or 1 and is used to incorporate the effect of qualitative variables in a regression mod
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It is called the conjunction, tha'ts what its called.
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Help me pleaseeeeeeeeee
PIT_PIT [208]

Answer:

y = 3x + 4

Step-by-step explanation:

✔️First, find the slope using any two given pairs form the table, say (2, 10) and (5, 19):

Slope (m) = ∆y/∆x = (19 - 10) / (5 - 2) = 9/3

m = 3

✔️Find y-intercept (b) by substituting (x, y) = (2, 10) and m = 3 into y = mx + b

10 = 3(2) + b

10 = 6 + b

10 - 6 = b

4 = b

b = 4

✔️Write the equation by substituing m = 3 and b = 4 into y = mx + b

y = 3x + 4

4 0
3 years ago
Solve this please!! Best answer will get brainliest <3
Fudgin [204]

Answer:

1. (-3 , 3)    (-8 , 8)

2. (3 , -3)    (8 , -8)

3. (0 , 0)     (5 , 5)

Step-by-step explanation:

1. Multiply the X values by negative 1 to reflect across the X axis.

2 Multiply the Y values by negative 1 to reflect across the Y axis.

3. Subtract 3 from each value when everything is getting moved towards a lower number.

5 0
3 years ago
Write a simplified expression that represents the perimeter of an irregular quadrilateral with some de lengths (2 1/4t - 5) (4t
hjlf

Answer:

Perimeter = \frac{39t-4}{4}

Step-by-step explanation:

Given

Lengths: (2\frac{1}{4}t - 5), (4t + 3), (1/2t - 1), (3t + 2)

Required

Determine the perimeter

The perimeter is calculated as the sum of the lengths of the irregular shape.

i.e.

Perimeter = (2\frac{1}{4}t - 5) + (4t + 3) + (1/2t - 1) + (3t + 2)

Remove brackets

Perimeter = 2\frac{1}{4}t - 5 + 4t + 3 + 1/2t - 1 + 3t + 2

Collect Like Terms

Perimeter = 2\frac{1}{4}t +4t + 1/2t + 3t - 5 + 3 - 1 + 2

Perimeter = 2\frac{1}{4}t +4t + 1/2t + 3t -1

Convert mixed number to improper fraction.

Perimeter = \frac{9}{4}t +4t + 1/2t + 3t -1

Take LCM

Perimeter = \frac{9t + 16t + 2t + 12t}{4} -1

Perimeter = \frac{39t}{4} -1

Take LCM

Perimeter = \frac{39t-4}{4}  <em>--- The perimeter of the shape</em>

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3 years ago
Determine the value of the account if the initial investment is $150 compounded
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What I found was 500. I hope this helps!
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