The exact times, in seconds, of four sprinters from a school track meet are as follows: Sprinter Sprinter A Sprinter B Sprinter C Sprinter D Time 132.38 132.31 132.29 132.25 If the stopwatch used was precise only to the tenths place, which sprinter's time is different from the others? Your answer: Sprinter A Sprinter B Sprinter C Sprinter D

Answers

Answer 1
Sprinter A because it rounds to 132.40 and B-D round to 132.30
Answer 2

Answer:

a. Sprinter A

Step-by-step explanation:

it rounds to 132.40 and B-D round to 132.30


Related Questions

Please help me with the problem below! :)

Answers

First, lets subtract the goal by 3, because she already did them.

15 - 3
12

Now, lets divide by one because that will leave you with the number of days

12/1
12

So, It will take her 12 days if she keeps up with her goal.

Hope this helps!

The French helped the Patriot war effort by
A. attacking the main island of Britain to distract British forces.
B. keeping Spain out of the war.
C. going to war against hostile Native American groups. End of exam
D. providing a navy and military support.

Answers

France was happy to assist the United States, due both to an appreciation for the values behind the Declaration of Independence and a long-standing rivalry with the British.
To this end, the French provided the Patriots with funding, weapons, and even a small army unit to assist in the fight against the British. The French also provided a navy which proved to be instrumental in several battles. 

D) Providing a navy and military support. 

what is a skew line?

Answers

In three-dimensional geometry, skew lines are two lines that do not intersect and are not parallel. 

Skew lines are non-coplanar lines that do not intersect. For example, take a look at the image provided below. Lines m and n in the diagram do not lie on the same plane and they don't intersect. Therefore, we can say that line m is skew to line n.

How many elements does each of these sets have where a and b are distinct elements?
a.p({a,b,{a,b}})
b.p({∅,a,{a},{{a}}})?

Answers

a.p({a,b,{a,b}}) is the answer 

15x - 10 = -9x + 2
please help me !!!!!

Answers

15x - 10 = -9x + 2

15x +9x -10 = -9x + 9x + 2

15 x + 9x - 10 + 10 = 2 + 10

15 x + 9 x = 2 + 10

24x = 12

24x/24 = 12/24

x = 1/2

hope this helps

Fiona is serving iced tea and lemonade at a picnic. She has only 44 cups in which to serve the drinks. If x represents the number of glasses of iced tea and y represents the number of glasses of lemonade, which equation represents the number of glasses of iced tea she can serve?

Answers

x = 44/2 (read: 44 over/divided by 2; since there are two types of drinks)
Fiona can serve 22 glasses of iced tea basically.

Answer:

[tex]x=44-y[/tex]

Step-by-step explanation:

Let x represents the number of glasses of iced tea and y represents the number of glasses of lemonade.

We have been given that Fiona is serving iced tea and lemonade at a picnic. She has only 44 cups in which to serve the drinks. We can represent this information in an equation as:

[tex]x+y=44[/tex]

Since x represents the number of glasses of iced tea, so we will solve for x by subtracting y from both sides of our equation.

[tex]x+y-y=44-y[/tex]

[tex]x=44-y[/tex]

Therefore, the equation [tex]x=44-y[/tex] represents the number of glasses of iced tea Fiona can serve.

Jenny is 65 years old, retired, and good health, and likes to travel to wor Jenny is 65 years old, retired, and good health, and likes to travel to world. Which lifestage best describes her?

Answers

Jenny is at the life stage of Mature Adulthood, this is the stage of where an adult has established their goals in life such as that involve in work, or anything that they have contributed in their life. They were able to raise a family and has learned things that happened in his or her life.

When adding two numbers, such as 123 and 423, care is taken to first line them up and then add like digits. How does expanding this expression to [(1 × 10^2 ) + (2 × 10^1 ) + (3 × 10^0 )] + [(4 × 10^2 ) + (2 × 10^1 ) + (3 × 10^0 )] make the operation more like a polynomial addition problem?

Answers

Since a polynomial is where we have like terms such as (1 x 10²) and (4 x 10²), we can add these up using the distributive property to get (5 x 10²) but still keep the 10². For example, it's similar to if we had 2x²+3x²=5x². The x² is still there, but we add up the 2 and 3. Similarly, we can add these up for 10^1 and 10^0

What is the measure of an angle whose sine is√3/2 ? 60 45 30

Answers

ANSWER

The required angle is
[tex]60 \degree[/tex]

EXPLANATION

Let the angle whose sine is
[tex] \frac{ \sqrt{3} }{2} [/tex]
be
[tex]x \degree[/tex]

Then

[tex] \sin(x \degree) = \frac{ \sqrt{3} }{2} [/tex]


We take the inverse sign of both sides to obtain,

[tex]x = \sin ^{ - 1} ( \frac{ \sqrt{3} }{2} ) [/tex]

We use our scientific calculator to evaluate and obtain,

[tex]x = 60 \degree[/tex]

What is a mathematical phrase that contains numbers, variables, or operators, but no equal sign?

Answers

That would be an expression.

An expression could be,

5 + 3,

a + 4

It just cannot have an equal sign.

2(-3 x + 1) = 9 x - 8

Answers

2(-3x + 1) = 9x - 8

Simplify.

(2 · -3x) + (2 · 1) = 9x - 8

Simplify.

-6x + 2 = 9x - 8

Subtract 2 from both sides.

-6x = 9x - 8 - 2

Subtract 9x from both sides.

-6x - 9x = -8 - 2

Simplify.

-15x = -10

Divide both sides by -15.

x = 10/15

Simplify.

x = 2/3

Check your work! :)

To check your work, simply plug in 2/3 for x in our original equation.

2(-3x + 1) = 9x - 8

2{-3(2/3) + 1} = 9(2/3) - 8

Simplify.

2(-2 + 1) = 6 - 8

Simplify.

2(-1) = 6 - 8

Simplify.

-2 = -2

Therefore, x = 2/3

~Hope I helped!~
Hi!

First let's use the distributive property.
2(-3x + 1) = 9x - 8

Multiply
2 x -3, and 2 x 1.
-6x + 2 = 9x - 8

Add 8 to both sides.
-6x + 2 + 8 = 9x - 8 + 8
-6x + 10 = 9x

Add 6x to both sides.
-6x + 6x + 10 = 9x + 6x
10 = 15x

Divide by 15 on both sides.
10/15 = 15x/15
10/15 = x

Which can be simplified to..
2/3 = x

The answer is 2/3 = x

Hope this helps! :)

A contestant on a game show is given $100 and is asked five questions. The contestant loses $20 for every wrong answer. Is the graph discrete or continuous? Determine the domain and range.

Answers

For the first question, remember that a discrete graph is one where you don't have any values for non-integer numbers. For example, can she miss 1.5 questions? No, she can only miss 1, 2, 3, 4, or 5 questions. On the other hand, a continuous graph would have values at all possible numbers of questions, so if it were continuous, she could miss 1.34828481 questions. Now for the second part, the domain is all of the input values. Here, that's the number of questions she misses, so the domain would be 0, 1, 2, 3, 4, 5. The range is all of the output values, or the amount of money she takes home in this case. So the range would be $100, $80,,$60, $40, $20, $0.

A function can either be discrete or continuous, depending on the input values of the function

The graph is discreteThe domain is [0,5]The range is [0,100]

From the question, we understand that:

The contestant would be asked 5 questionsThe contestant would lose $20, for each wrong answer

Notice that:

It is impossible to ask the contestant 1.5 questions

And base on the possible earnings, the contestant cannot earn $50.5 or number with decimal

When the data we are dealing with are non-decimal numbers, then the distribution is discrete

The domain and range

There are 5 possible questions to ask;

So, the domain is [0,5]

The contestant starts with $100.

So, the range is [0,100]

Read more about distributions at:

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Which of the following best describes the algebraic expression 15x + 8? A. the sum of fifteen times a number and eight B. the product of fifteen plus a number and eight C. fifteen times the sum of a number and eight D. fifteen times the quantity of a number plus 8

Answers

The answer is (A) Hope this helps.

Answer: A. [tex]\text{the sum of fifteen times a number and eight }[/tex]

Step-by-step explanation:

The given algebraic expression : [tex]15x + 8[/tex]

We can see that the constant term here is [tex]8[/tex].

The variable term is [tex]15x[/tex].

The operation used here = Addition

To convert any algebraic expression into a statement we represent the variable i.e. x by word "number".

Then the variable term is represented as : Fifteen times a number

Therefore, the best describes the given algebraic expression will be :-

"[tex]\text{the sum of fifteen times a number and eight }[/tex]"

After a researcher adds 5 points to every score in a sample, the standard deviation is found to be s = 10. the original sample had a standard deviation of s = 5.
a. True
b. False

Answers

A, true.

If you add 5 points to every score, that makes the difference between them 5 points higher.

In a public opinion poll 624, people from a sample of 1100 indicate they would vote for a specific candidate. How many votes can the candidate expect to revive from a Population of 40,000

Answers

To solve this problem the best way is
624/1100 = x/40000
x = 624*40000/1100
x = 24960000/1100
x = 22690 votes

Around 22690 votes can be expected to revive from a Population of 40,000 by taking the same ratio.

What are the ratio and proportion?

The ratio is the division of the two numbers.

For example, a/b, where a will be the numerator and b will be the denominator.

Proportion is the relation of a variable with another. It could be direct or inverse.

Let's say x  votes can be expected to revive from a Population of 40,000.

Now,

By taking the same ratio;

x/40000 = 624/1100

x = 22690.9090 which can be counted as 22690.

Hence " Around 22690 votes can be expected to revive from a Population of 40,000 by taking the same ratio".

For more information about ratio and proportion,

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Triangle FGH is an isosceles right triangle with a hypotenuse that measures 16 units. An altitude, GJ, is drawn from the right angle to the hypotenuse.

What is the length of GJ?

A. 2 units
B. 4 units
C. 6 units
D. 8 units

Answers

It's D) 8 units HOPE IT HELPS

The value of the length GJ for the given triangle will be 8 units thus option (D) is correct.

What is a triangle?

A triangle is a 3-sided shape that is occasionally referred to as a triangle. There are three sides and three angles in every triangle, some of which may be the same.

As per the given isosceles triangle which has two equal sides so suppose the length of those sides is x unit.

By Pythagoras' theorem,

⇒ x² + x² = 16²

⇒ 2x²  = 256

⇒ x² = 128

The area of a triangle is given as,

⇒ (1/2) × x × x

⇒ (1/2) x²

⇒(1/2) × 128

⇒ 64 units²

The area of the triangle will also be given as,

A = (1/2) × 16 × (GJ)

Compare both areas as

64 = (1/2) × 16 × GJ

GJ = 8 units

Hence"For the provided triangle, the length GJ value will be 8 units".

For more about triangles,

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What is the max number of slices of pizza can you get out out of 6 cuts?

Answers

12 slices would be max
Hi there! A quick little trick is to double how many "cuts" you make in a shape, going from one side to the other.

So, if you make 6 cuts in a pizza, or really anything, you will get 12 pieces of it.

:)

Jamarcus's employer pays 80 percent of his medical insurance. If the insurance costs Jamarcus $20 a week, how much is his employer pay­ing?

Answers

20 x .8 (which is 80%)
= 16 dollars

hope this helps . give brainliest .
thanks 

Answer:

$80

Step-by-step explanation:

The total amount of his medical insurance is 100%. As such if Jamarcus's employer pays 80 percent , then the amount he pays would be equivalent to 20%.

As such, if the insurance costs Jamarcus $20 a week and the total amount is Y

then,

20% of Y = $20

0.2Y = $20

Y = $100

His employer will be pay­ing

= 80% of $100

= $80

Three more than twice the sum of 7 and a number is 25 find the number

Answers

more means add so you add 3+
then you multiply 2
so now you have 3 + 2 x 7= 25
you can check it by doing 3 + 2= 5 x 7=25

Answer:

the number is 4

Step-by-step explanation:

Hello,I think I can help you with this

Step 1

convert into mathematical terms

let x the unknown number

three more: 3 +

twice the sum of 7 and a number:2(7+x)

is 25:=25

Hence

3+2(7+x)=25

Step 2

Now, solve for x

3+14+2x=25

17+2x=25

2x=25-17

2x=8

x=8/2

x=4

the number is 4

Do not hesitate to ask me if you have any concerns

Have a great day.

the area of a rectangular field is 6603 meter squared. if the width of the field is 71 m what is it’s length

Answers

Area of rectangular field is 6603m². Given width 71m, length is 93m (6603 ÷ 71).

To find the length of the rectangular field, you can use the formula for the area of a rectangle:

[tex]\[ \text{Area} = \text{Length} \times \text{Width} \][/tex]

Given that the area is [tex]\( 6603 \, \text{m}^2 \)[/tex] and the width is [tex]\( 71 \, \text{m} \)[/tex], you can rearrange the formula to solve for the length:

[tex]\[ \text{Length} = \frac{\text{Area}}{\text{Width}} \][/tex]

Substitute the given values:

[tex]\[ \text{Length} = \frac{6603 \, \text{m}^2}{71 \, \text{m}} \][/tex]

[tex]\[ \text{Length} = 93 \, \text{m} \][/tex]

So, the length of the rectangular field is [tex]\( 93 \, \text{m} \).[/tex]

If two ants are walking in straight lines but in different directions their paths cannot cross more than once. Write the postulate that justifies this statement.

Answers

unless they are perfectly parallel to each other they will cross somewhere and if they are walking only in a straight line they can only cross each other once because it's like 2 linear equations on a graph they can only cross each other once if they are not parallel. 

So difficult!!! Someone help

Answers

when two lines cross like this, sum of measures of opposite angles is 180.
this means that:
measure angle AEC + measure angle BED = 180
4x-40 + x+50 = 180
5x +10 = 180
5x = 170
x = 34
therefore:
measure angle AEC = 4x-40 = 4(34)-40 = 96
measure angle BED = x+50 = 34+50 = 84

In the diagram below de is parallel to xy what is the value of y?

Answers

Yeah it's quite easy. Since the lines DE and XY are parallel and that line bisects them, you put the given information of the bisecting lines into this format-y thing: 105+y=180 because the bisecting line is 180 degrees.you do the math and y turns out to equal 75. Good?

Answer:

C. 75.

Step-by-step explanation:

We have been given a diagram of two parallel lines and we are asked to find the value of y.

We can see from our given diagram that angle y and the angle that measures 105 degrees is formed inside the parallel lines and on the same side of transversal.

Since the the angles formed on the same side of transversal and inside parallel lines are called consecutive interior angles and they add up-to 180 degrees, so we can set an equation as:

[tex]y^o+105^o=180^o[/tex]

[tex]y^o+105^o-105^o=180^o-105^o[/tex]

[tex]y^o=75^o[/tex]

Therefore, the value of y is 75 degrees and option C is the correct choice.

Pamela bought an electric drill at 85% of the regular price. she paid $32.89 for the drill. What was the regular price ( Round to the nearest cent)

Answers

(100/85) x $32.89
=$38.69411765
=$38.69 (to the nearest cent)

The volume of a cube is 27n^27 cubic units. What is the length of one side of the cube?
3n^3 units
3n^9 units
27n^3g units
27n^9 units

Answers

divide 27 by 6 because each cube has six sides

Answer:

3n^9

this is answer peace

45 1/2% percent as a fraction in simplest form

Answers

45.5%, or 4.55, for 455/1000.

91/200

45 1/2 per cent as a fraction in simplest form is 91/200.

We need to write 45 1/2% as a fraction in the simplest form.

How to write a fraction in the simplest form?

A fraction is in its simplest form when the top and bottom cannot be any smaller, while still being whole numbers.

To simplify a fraction: Divide the top and bottom by the greatest number that will divide both numbers exactly (they must stay whole numbers).

Now, 45 1/2% can be written as 45.5/100

Multiply both numerator and denominator by 10.

That is 455/1000

Now, 455/1000 = 91/200

Therefore, 45 1/2 per cent as a fraction in simplest form is 91/200.

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I need help with starring the answer in mixed fraction

Answers

Greetings!

"Evaluate: -7/3-1 2/9."...

First, we must convert the mixed number into an improper fraction. This is done by multiply to whole number of the fraction (2/9) by the denominator. Then add this number to the numerator.

1*9=9
9+2=11
11/9

-7/3-11/9
Now we must find a common denominator for both fractions.
-21/9-11/9
=-32/9

The answer is -32/9.

Hope this helps.



I need help!

Step 1 ?
Step 2 ?
Step 3 ?
Step 4 ?

Answers

7 + (-2)

a positive and negative is always a negative, and so:

7 - 2 = 5

5 is your answer

The problem is that he wrote the number of circles he made, instead, he should be the ones he didn't circle

hope this helps

Dan is using tiles to add –8 + 6. He begins with the tiles shown below.

mc006-1.jpg

What is the sum of –8 + 6?
–14
–2
2
14

Answers

Answer:

Step-by-step explanation:

Alright, lets get started.

The given expression is : [tex]-8+6[/tex]

-8 can be written as [tex]-6-2[/tex]

So, the expression will be = [tex]-6-2+6[/tex]

The plus six and minus six will be cancelled. so,

-2 will be remaining.

So the answer is -2   :    Answer

Hope it will help :)

Answer:

-2

Step-by-step explanation:

PLEASE HELP ASAP

Rich bought two baseballs for $ 4 each and two basketballs for $ 22 each. Use the distributive property to find the total cost.

Answers

In Distributive Property it would be:

2(4 + 22)

Then, multiply 2*4 and 2*22 and add ur answers:

8 + 44

So the total cost is: $52
Final answer:

Rich spent $8 on baseballs and $44 on basketballs for a total expense of $52. This application of buying multiple items at a given cost and then summing across categories demonstrates the distributive property in mathematics.

Explanation:

Rich bought two baseballs at a cost of $4 each. This cost could be represented as 2 * $4 = $8. He also bought two basketballs for $22 each. This cost could be represented as 2 * $22 = $44. By using the distributive law, we multiply the cost of each basketball or baseball with the quantity purchased and then adding the total costs together which is adding $8 and $44. Hence, the total is $8 + $44 = $52 which represents the total cost of the baseballs and basketballs that Rich bought. This is a clear demonstration of the distributive property where operations inside parentheses can be distributed over other operations.

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