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torisob [31]
3 years ago
12

Anna shipped a small package from

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0

Answer:

$0.23

Step-by-step explanation:

5 ounces  cost $1.15

1 ounce cost $1.15/5 = $0.23

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Select the relationship that does represent a function.
maksim [4K]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
BASEBALL The formula for a pitcher's earned run average, or ERA, is a = 9r/p. In
trasher [3.6K]

Answer:

To find a baseball pitcher's earned run average you can use the formula EI 9r

To find a baseball pitcher's earned run average (ERA), you can use the formula Ei=9r, where E represents ERA, i represents number of innings pitched, and r represents number of earned runs allowed.

Step-by-step explanation:

5 0
3 years ago
How do you solve -1/2 (-3/2 + 6x +1) -3x?
Delicious77 [7]
1/2 ( -3/2 + 6x + 1) - 3x 

Simplify:
= 1/2 (-1/2 + 6x) - 3x

Apply distributive property:
= -1/4 + 3x -3 x

Simplify:
= -1/4

8 0
3 years ago
A castle is surrounded by a circular moat which is 5 m wide
Elanso [62]

Answer:

  1414 kL

Step-by-step explanation:

The volume of the donut-shaped moat is the product of its surface area and depth. The area is the product of its centerline length and its width.

<h3>Moat area</h3>

The diameter of the centerline of the moat is (50 m -5 m) = 45 m. The length of that centerline is ...

  C = πd = π(45 m) = 45π m

The area is this length times the width of the moat:

  moat area = (45π m)(5 m) = 225π m²

<h3>Moat volume</h3>

The volume is the product of the area and the depth of the moat:

  V = Ah = (225π m²)(2 m) = 450π m³ ≈ 1413.72 m³

1 cubic meter is 1000 liters, 1 kiloliter.

The volume of the moat is about 1414 kL.

5 0
1 year ago
NEED HELP!!! Please answer the question! WILL GIVE BRANILY! 15 POINTS!!!
rewona [7]

Answer: D. Cannot be determined.

If Angle 3 were not included, the answer would be A, 360°

Step-by-step explanation: When the lines a, b, & c are parallel, the line intersecting them forms angles that are vertical, supplementary and/or corresponding and congruent.

Here, angles 4 and 5 are supplementary. No need to know their exact measurements. Together, their sum is 180°

Angles 1 and 2 are also supplementary, another 180°

But we don't know the measure of angle 3, so getting an exact sum is impossible here.

5 0
3 years ago
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