Mr Diaz decreased the speed of his car by 30 miles per hour over a period of 10 seconds. What is the average change in the speed each second?

Answers

Answer 1

Divide 30 by 10. 30mph/10seconds = 3mph/seconds

Answer 2

Final answer:

By dividing the total change in speed (30 miles per hour) by the total time span (10 seconds), it can be determined that Mr. Diaz decreased his car's speed by an average of 3 miles per hour each second.

Explanation:

In this problem, Mr. Diaz decreased his car's speed by 30 miles per hour over a span of 10 seconds. To find the average change in speed each second, we divide the total change in speed by the total time period.

So, we can calculate the average change as follows:

30 miles per hour ÷ 10 seconds = 3 miles per hour per second

Therefore, the average change in Mr. Diaz's car speed each second is 3 miles per hour.

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Related Questions

What is 22% of 50???????????

Answers

22% of 50 is 11.
Hope this helps!

22% times 50= 11. Multiple the percentage by the amount given (50) and that's how I got 11.

How would 9/25 as a percent

Answers

36% is the answer to the question

Percent means per 100. Find an equivalent fraction with a denominator of 100.

9/25= x/100
25*4=100
9*4=36=x

Final answer: 36%

Can someone tell me what 1/2 - 1/6 is would really appreciate it, thanks

Answers

Make denominator same first.

1/2 - 1/6

3/6 - 1/6

Now subtract numerators

(3-1) / 6

2/6

Now simplify

1/3

Final answer: 1/3

Yvonne wrote the numbers sixteen thousand nine hundred eighteen and 64704 on the board
Which of the numbers has a greater value in the thousands place

Answers

sixteen thousand nine hundred eighteen (16,918) is the correct answer

there are 270 sixth grade students and 45 chaperones going on a field trip. How many students will be with each chaperone if the groups are divided equally?

Answers

the answer is 6
270 students divided by 45 chaperones equals 6 per chaperone

can someone help with this question. it would be greatly appreciated.

Answers

sqrt(60) =7.745967 rounded to nearest 100th = 7.75

58/8 = 7.25

7.3 rounded to nearest 100th = 7.33

7 3/5 = 7.6

7.6 +7.33 +7.25+7.75 = 29.93/4 = 7.4825 = 7.48km

A gull can fly at a speed of 22 miles per hour about how many feet per hour can the gull fly?

Answers

There are 5280 feet in a mi

22 mi*5280 ft per mile= 116,160

Final answer: 166,160 feet in an hour

which line is perpendicular to a line that has a slope of 3 and a y intercept at (0,0)

Answers

hello :
the line has a equation : y = ax (a y intercept at (0,0))
the slope is : - 1/3 ( product the slope = -1 ..... a×3 = -1)
the equation is : y = (-1/3)x

which is the characteristic of a line

Answers

Length!!!!!!!!!!!!!!!!

A line is a straight, infinite, one-dimensional entity with no thickness or endpoints. It can be represented mathematically, intersects at points or can be parallel to other lines.

Given that,

To find the characteristic of a line.

Now, A line is a fundamental geometric concept characterized by several key properties.

Firstly, it is straight and extends infinitely in both directions.

Secondly, it has no thickness, meaning it is one-dimensional and can be represented by a mathematical equation or equation system.

Thirdly, any two points on a line can be connected to form a segment, making it possible to measure distances along the line.

Now, Additionally, a line has no endpoints, which distinguishes it from a line segment.

Lastly, lines can intersect each other at a single point or be parallel, maintaining a constant distance from one another throughout their lengths.

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Any ideas please help thank you

Answers

The middle answer is the only correct one.

54,984 rounded to the nearest ten thousand?

Answers

54,984 rounded to the nearest ten thousand would be 50,000 since you are rounding to the nearest 10,000 you will round 4,000 to 50,000

Very small numbers are often written in exponential form using scientific notation to make them easier to multiply or divide. Explain how to apply the laws of exponents when multiplying and dividing numbers written in scientific notation.

Answers

When multiplying or dividing exponents the base number must be the same. To multiply exponents you add the exponent number together and to divide exponents you subtract them.

The high school's lunch menu repeats every six school days. The middle school lunch menu repeats every 8 school days. On March 5th, both schools served chicken wraps. What is the next calendar date on which both schools serve chicken wraps?

Answers

It could be the 24th

The answer would be March 29th. 5+6=11+6=17+6=23+6=29- High school
5+8=13+8=21+8=29- Middle School. Hope this helps!

Can u plz mark me as brainliest? I really need it!

Fifteen is no more than a number t divided by 5.

Answers

t is equal to or more that 3

The value of the variable t is greater than or equal to 3.

What is Algebra?

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

Fifteen is no more than a number t divided by 5 will be given in the mathematical form. Then the inequality is given as,

15 ≤ 5t

t ≥ 15 / 5

t ≥ 3

The value of the variable t is greater than or equal to 3.

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Solve. Please show your work if you can!

Answers

First, I like to turn the mixed fractions into decimals, just to make it easy (for me).

-5.5 - 4.25 = -9.75

-9.75 + 6.75 = -3

-3 is your answer! :D

A bag holds 23 3/4 cups of sugar . A recipe for chocolate chip cookies uses 1 1/4 cups of sugar . How many batches of chocolate chip cookies can be made with one bag of sugar?

Answers

You would be able to make 19 batches of chocolate chip cookies.

Final answer:

One bag of sugar can make 19 batches of chocolate chip cookies.

Explanation:

To determine how many batches of chocolate chip cookies can be made with one bag of sugar, we need to divide the total amount of sugar in the bag by the amount of sugar used in each batch of cookies. Since the bag holds 23 3/4 cups of sugar, and the recipe uses 1 1/4 cups of sugar per batch, we can set up the following division:

23 3/4 ÷ 1 1/4 = (95/4) ÷ (5/4) = (95/4) × (4/5) = 95/5 = 19

Therefore, one bag of sugar can make 19 batches of chocolate chip cookies.

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What number is halfway between 100,000 and 200,000

Answers

150,000
100,000 < 150,000 < 200,000

Help me simplify! -6 - 8(1 - x) = -14 + 8x

Answers

The answer: The equation is true. x = all real numbers.
_____________________________________________
Given:
_________________________________
-6 − 8(1 − x) = -14 + 8x ;
_________________________________
Note the "distributive property of multiplication" :
_______________________________________________a(b+c) = ab + ac ;
a(b−c) = ab − ac ;_______________________________________________As such:_______________________________________________ -8(1 − x) = (-8 * 1) − (-8*x) = (-8) − (-8x) = -8 + 8x

→ So, rewrite the original equation, substituting: "-8 + 8x" for: "−8(1 − x)" :

→ - 6 − 8 + 8x = -14 + 8x ;
Note: -6 − 8 = -14 ;

Rewrite as:
_____________________________

-14 + 8x = -14 + 8x ;
____________________________________

The answer: The equation is true. x = all real numbers.
_____________________________________________

The ratio of girls to boys in the junior high band is 5 to 7. At the beginning of the year, there were 72 students in the band. By the end of the year, the ratio of girls to boys was 3 to 4. If there are now 48 boys in the band, how many girls joined the band during the school year?

Answers

Ratio is 5girls:7boys with total 72 students
5+7= 12
72➗12= 6
6(5:7)= 30 girls : 42 boys

New ratio is 3:4 with 48 boys

48➗4= 12

So for girls 3x12= 36

So started with 30 girls ended with 36 girls... 6 girls joined band during the school year.

36 is the amount of girls and 48 boys

What is the median of the data shown?
40, 51, 63, 54, 35, 45, 65, 47, 38, 45, 58

The median is

Answers

median means middle so the middle num is 47 glad to help!

The median is the middle number of the set of numbers.
first step: put them in order from least to greatest

35,38,40,45,45,47,51,54,58,63,65

then find the middle number

47 will be your answer

hope this helps

R - C = P solve for C

Answers

R-C=P subtract R from both sides
-C=-R+P divide -1 on both sides
C=R+P

787.4÷127 show the work

Answers

I hope this helps! When dividing a number with a decimal you can move the decimal to the end and solve.

Use photo math or Socratic. It shows you how they got the answer.

y=4mx-7b solve for x

Answers

your answer is x = 7b/4m + y/4m

What’s m = 9 + 3x - dx ? Solving for x.

Answers

vLet's solve for x.m=9+3x−dxStep 1: Flip the equation.−dx+3x+9=m

Step 2: Add -9 to both sides.−dx+3x+9+−9=m+−9
−dx+3x=m−9

Step 3: Factor out variable x.x(−d+3)=m−9

Step 4: Divide both sides by -d+3.

the answer is x=m-9/-d+3

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Answer:

[tex]x=\frac{m-9}{3-d}[/tex]

Step-by-step explanation:

We have been given an equation [tex]m=9+3x-dx[/tex]. We are asked to solve the given equation for x.

Subtract 9 from both sides:

[tex]m-9=9-9+3x-dx[/tex]

[tex]m-9=3x-dx[/tex]

Factor out x from right side:

[tex]m-9=x(3-d)[/tex]

Switch sides:

[tex]x(3-d)=m-9[/tex]

Divide both sides by [tex](3-d)[/tex]:

[tex]\frac{x(3-d)}{3-d}=\frac{m-9}{3-d}[/tex]

[tex]x=\frac{m-9}{3-d}[/tex]

Therefore, the value of x is [tex]\frac{m-9}{3-d}[/tex].

HOW DO YOU COUNT BY ONES FROM 368 TO 500 AND THEN CHANGE FOR A LARGER UNIT

Answers

Use 2 ones to get to 370, use 3 tens to get to 400, use 1 hundred to get to 500. Hope this helped :)

name a point that is coplanar with points A and E

Answers

Co-planar means they are on the same plane. The other other point that is on that plane is point B.

Hope this helps!

What digit is the 5 in 953,187

Answers

The answer is 50,000.

a-2=10 solve the equation? Show your work but make sure you show work step-by-step?

Answers

A-2=10
A-2+2=10+2
A=12

if a number subtracted by 2 equals 10, then what is that number? you can use the number family method, and do 10+2, which equals 12.

Marion has 4 cards, jake has 4 cards,and sam has 3 cards.Can you write a multiplication equation to find how many cards they have in all?Explain why or why not

Answers

You can, but only partially.

4 × 2 would cover Marion and Jake, but we have no way of using multiplication with Sam.

Solve the equation. x/8 + 12= 16

Answers

Answer:

x=32

Step-by-step explanation:

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The value of x is 32.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 3 = 9 is an equation.

We have,

x/8 + 12 = 16

Solve for x.

x/8 + 12 = 16
Subtract 12 on both sides.

x/8 = 16 - 12

x/8 = 4

Multiply 8 on both sides.

x = 8 x 4

x = 32

Thus,

The value of x is 32.

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