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taurus [48]
3 years ago
13

Johanna can jog 24 feet in 5 seconds. If she jogs at the same rate, how many feet can she jog in 8 seconds? PLSS help!

Mathematics
1 answer:
Fynjy0 [20]3 years ago
6 0
38.4? Since if she runs 24 feet in five seconds add that two times she would run 48 feet in ten second so.. divide 24 with 5 and get 4.8. So 48 minus 9.6 makes 38.4.
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The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-shaped distribution. This dist
alexira [117]
<h3>Answer:   83.85%</h3>

This value is approximate.

==========================================================

Explanation:

Let's compute the z score for x = 40

z = (x-mu)/sigma

z = (40-47)/7

z = -1

We're exactly one standard deviation below the mean.

Repeat these steps for x = 68

z = (x-mu)/sigma

z = (68-47)/7

z = 3

This score is exactly three standard deviations above the mean.

Now refer to the Empirical Rule chart below. We'll add up the percentages that are between z = -1 and z = 3. This consists of the two pink regions (each 34%), the right blue region (13.5%) and the right green region (2.35%). These percentages are approximate.

34+34+13.5+2.35 = 83.85

<u>Roughly 83.85%</u> of the one-mile roadways have between 40 and 68 potholes.

5 0
2 years ago
Gilyann got a new puppy for her birthday. She went to the pet store to buy what she needed for the puppy: a food dish for $7.95,
Elina [12.6K]

Answer:

76.48

Step-by-step explanation:

5 0
2 years ago
PLZ HELP ITS GEOMETRY
Aleks [24]

Answer:

For #5

Step-by-step explanation:

Perpendicular

8 0
3 years ago
0.4x - 2.5 = 1.3x + 4.7
qwelly [4]
Simplifying
0.4x + -2.5 = 1.3x + 4.7

Reorder the terms:
-2.5 + 0.4x = 1.3x + 4.7

Reorder the terms:
-2.5 + 0.4x = 4.7 + 1.3x

Solving
-2.5 + 0.4x = 4.7 + 1.3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1.3x' to each side of the equation.
-2.5 + 0.4x + -1.3x = 4.7 + 1.3x + -1.3x

Combine like terms: 0.4x + -1.3x = -0.9x
-2.5 + -0.9x = 4.7 + 1.3x + -1.3x

Combine like terms: 1.3x + -1.3x = 0.0
-2.5 + -0.9x = 4.7 + 0.0
-2.5 + -0.9x = 4.7

Add '2.5' to each side of the equation.
-2.5 + 2.5 + -0.9x = 4.7 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + -0.9x = 4.7 + 2.5
-0.9x = 4.7 + 2.5

Combine like terms: 4.7 + 2.5 = 7.2
-0.9x = 7.2

Divide each side by '-0.9'.
x = -8

Simplifying
x = -8
3 0
3 years ago
Read 2 more answers
A pet store employee measures the lengths of two pet snakes, Noodles and Squiggles. Noodles measures 30 inches long, and Squiggl
deff fn [24]

Answer:

4

Squiggles

Step-by-step explanation:

steps

  1. convert the length of squiggles from feet to inches
  2. find the difference

1 feet = 12 inches

2 feet = 2 x 12 = 24 inches

length of squiggles = 24 + 10 = 34 inches

squiggles is longer because 34 is greater than 30

difference = 34 - 30 = 4

3 0
2 years ago
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