A jar contains 24 coins: 10 quarters, 6 dimes, 2 nickels, and 6 pennies.What is the probability of randomly drawing _____ ?
1. a penny
2. a quarter
3. a coin that is not a penny

Answers

Answer 1

Answer:

The probability of randomly drawing a penny is 6/24 or 1/4, since there are 6 pennies out of a total of 24 coins.

How to solve and What is Probability?

The probability of randomly drawing a quarter is 10/24 or 5/12, since there are 10 quarters out of a total of 24 coins. The probability of randomly drawing a coin that is not a penny is 18/24 or 3/4, since there are 18 coins that are not pennies out of a total of 24 coins.

Probability is the branch of mathematics that deals with measuring the likelihood or chance of an event or outcome occurring. It is expressed as a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event.

Probability theory is used to make predictions and informed decisions based on available data in various fields, including statistics, finance, engineering, and science.

It involves understanding and analyzing random events, and determining the likelihood of specific outcomes. Probability is an essential tool for decision-making in various applications, such as risk analysis, game theory, and quality control.

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In a plane, if one of two parallel lines is _____ to another line, the other of the two lines is perpendicular to that line.a. congruent
b. perpendicular
c. parallel
d. equal

Answers

Answer: Hello mate!

the phrase is:

"In a plane, if one of two parallel lines is _____ to another line, the other of the two lines is perpendicular to that line."

the angle between two parallel lines is equal to zero.

if one of the parallel lines is perpendicular to a third line, this means that the angle formed by bot lines is equal to 90°.

And because the second parallel line has an angle of 0° with respect of the first one, then the angle formed with the third line is also 0° + 90° = 90°, so is also perpendicular.

Then the answer is "perpendicular".

Answer:

B. perpendicular

Step-by-step explanation:

Hope this helps.

Please help me limited time

Answers

Answer:

its 1

Step-by-step explanation:

Answer:

its number one

Step-by-step explanation:

thank you and I'm sure

A rectangular box has dimensions 4 by 5 by 2 . Increasing each dimension of the box by the same amount yields a new box with volume six times the old. Use the ALEKS graphing calculator to find how much each dimension of the original box was increased to create the new box. Round your answer to two decimal places.

Answers

Answer:

2.68 units

Step-by-step explanation:

We are given that a rectangular box has dimensions 4 by 5 by 2.

We have to find that how much each dimension of the original box was increased to create the new box

Let x be the increased value in each dimension

We know that volume of rectangular box=lbh

Volume of original box= $4* 5* 2$ =40 cubic units

Volume of new box = $6* 40=240 cubic units$

Dimension of new box= $(x+4)(5+x)(2+x)$

Volume of new box=240

$(x+5)(x+4)(x+2)=240$

$x^3+11x^2+38x+40-240=0$

$x^3+11x^2+38x-200=0$

By graph we get

x=2.679

Round to two decimal places then we get

x=2.68

Hence, each dimension was increased by 2.68 units

Zina solves a system of linear equations by elimination and finds a solution of (2, 2). One of the equations is a + b = 4. What is the other equation?

Answers

a - b = 0 <=== ur other equation

check...
a + b = 4
a - b = 0
--------------add
2a = 4
a = 4/2
a = 2

a - b = 0
2 - b = 0
-b = 0 - 2
-b = -2
b = 2

solution is (2,2)

Find the value of the expression
2r x s
for r = 2 and s = 4.

Answers

Answer:

Step-by-step explanation:

2rs

Let r=2 and s=4

2*2*4

4*4

What is the area, in square centimeters, of the shape below?

Answers

Answer:

21.46 cm squared

Step-by-step explanation:

3.8x5.8=21.46

Final answer:

The area of a shape can be calculated by multiplying its dimensions. Given a rectangle with length 0.6238 cm and width 6.6 cm, you would multiply these figures to get an area of 4.1 cm².

Explanation:

To calculate the area of a shape in square centimeters, you need to know the dimensions of the shape. For example, if you have a rectangle, you would multiply its length by its width to get the area. If the length was 0.6238 cm and the width was 6.6 cm, the area would be 0.6238 cm x 6.6 cm = 4.11708 cm². However, we often round to two significant figures, so the area would be 4.1 cm². Remember that area is expressed in square units, so for centimeters, the area would be in square centimeters.