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anzhelika [568]
2 years ago
9

Ex 4) Find the unit price for 6.5 pounds of apple for $12.95.

Mathematics
1 answer:
DedPeter [7]2 years ago
7 0

Answer:

No Ms Chen is not correct and the price is $1.99 per pound

Step-by-step explanation:

Ms Chen is not correct because she did the division wrong. She was supposed to divide the price by the pounds but she divided the pounds by the price. The correct way of doing this would be dividing $12.95 by 6.5 which gets you 1.99230769 but since this is money that rounds to $1.99 per pound

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Definition: The ___ of an event happening is expressed as a fraction between 0 and 1.
aliina [53]

Definition: The <u>probability</u> of an event happening is expressed as a fraction between 0 and 1.

Example: The <u>chance</u> that you roll a 4 on a die is 1

3 0
3 years ago
Which statement can be used to prove that a given parallelogram is a rectangle?
RSB [31]

The <em>correct answer</em> is:


The diagonals of the parallelogram are congruent.


Explanation:


In every parallelogram, opposite angles are congruent. This would not mean it is a rectangle.


Consecutive sides of a parallelogram are only congruent if the parallelogram is a rhombus or a square; this would not be a rectangle.


The diagonals of every parallelogram bisect each other. This would not mean it is a rectangle.


The diagonals of a rectangle bisect each other. If we know this is true about our parallelogram, this means our parallelogram is a rectangle.

7 0
3 years ago
Read 2 more answers
A plane flies at a steady rate of 40 mph while a second plane flies at a steady rate of 100 mph. The planes are 200 miles apart
Brums [2.3K]

Answer:

1\ \text{hour}\ 25\ \text{minutes and }12\ \text{seconds}

Step-by-step explanation:

The combined distance that both planes will cover is 200 miles

Time taken by both planes will be the same (t)

\text{Distance}=\text{Speed}\times \text{Time}

So, the combined distance is

40t+100t=200\\\Rightarrow 140t=200\\\Rightarrow t=\dfrac{200}{140}\\\Rightarrow t=1.42\ \text{hours}=1\ \text{hour}\ 25\ \text{minutes and }12\ \text{seconds}

They will meet in 1\ \text{hour}\ 25\ \text{minutes and }12\ \text{seconds}.

7 0
2 years ago
Read 2 more answers
1. Which one of the following statements is true of perpendicular lines?
Dovator [93]
Only D is correct, it intersects at 90 degrees so it cant be obtuse or acute and never intersecting would be parallel lines <span />
7 0
3 years ago
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3c/4 - 2c/4 = 4 (solve with work please)
xxMikexx [17]

Simplifying

2c + 3 = 3c + -4

Reorder the terms:

3 + 2c = 3c + -4

Reorder the terms:

3 + 2c = -4 + 3c

Solving

3 + 2c = -4 + 3c

Solving for variable 'c'.

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

Add '-3c' to each side of the equation.

3 + 2c + -3c = -4 + 3c + -3c

Combine like terms: 2c + -3c = -1c

3 + -1c = -4 + 3c + -3c

Combine like terms: 3c + -3c = 0

3 + -1c = -4 + 0

3 + -1c = -4

Add '-3' to each side of the equation.

3 + -3 + -1c = -4 + -3

Combine like terms: 3 + -3 = 0

0 + -1c = -4 + -3

-1c = -4 + -3

Combine like terms: -4 + -3 = -7

-1c = -7

Divide each side by '-1'.

c = 7

Simplifying

c = 7

3 0
3 years ago
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