Help please. Screenshot if below:

The table shows the changes in the times (in seconds) of four teammates. What is the mean change? Write your answer as a decimal. {picture}
The mean change is _____second(s).

Answers

Answer 1

Answer: - 1.28

Hope this help you and or any other person that needs this :)

Step-by-step explanation:

Related Questions

A rectangle has a length of 8 and width of 12. A scale copy was made with a width of 24. What is the area of the new rectangle?

Answers

Answer:

192 feet^2

Step-by-step explanation:

Length X Width = area

Answer:

The area of the new rectangle is 384 square units.

Step-by-step explanation:

For the original rectangle, the length is 8, and the width is 12. For the scale copy, the width is 24 (12 × 2), so the length will be 16 (8 × 2). Multiplying 24 by 16, we obtain 384 as the area of the new rectangle.

A figure is reflected in the x-axis. How will the coordinates change?

The x-coordinates will change sign.
The y-coordinates will stay the same.
The x-coordinates will stay the same.
The y-coordinates will change sign.

(Multiple select)

Answers

The y-coordinates will change sign, the x-coordinates will stay the same.

At a salsa making competition, Restaurant A won 56 out of 98 contests. Restaurant B won 84 out of 147 contests. Which restaurant has better record?

Answers

The answer is b. I could be wrong but that’s what I would say

RESTAURANT B won because
Restaurant A won by 42 and B won by 63
I could be wrong tho

Referring to the figure, what is the area of the trapezoid shown?
a. 114 in2 c. 528 in2
b. 15.5 in2 d. 228 in2

Answers

Answer:

none of those are right the answer is 132

Step-by-step explanation:

B
A
Correct answer is B

Steven buys 2.32 pounds of trail mix and twice as many pounds of dried fruit. What is the total cost?

Answers

Answer:

$ 27.84

Step-by-step explanation:

c = $2.32, trail mix + $4.64, dried fruit =

C = 3.32 * 3.50 + 4.64 * 4.25 = 27.84

27.84 is the answer so yea

20.
Referring to the figure, the circle shown is drawn on grids. Find
A ÷ r and A ÷ r2.
a. 3.5, 1.8 c. 2.7, 1.8
b. 2.3, 3 d. 4.7, 3.1

Answers

Answer:

Step-by-step explanation:

r = 1.5

Area/A = πr²

= π(1.5)²

= 7.07

A ÷ r = 7.07 ÷ 1.5

= 4.7

A ÷ r² = 7.07 ÷ 1.5²

= 3.1

Answer:

Step-by-step explanation:

Referring to the figure, the shape is drawn on dot grids. Find the
area. Consider the horizontal or vertical distance between two dots to
be 1 unit.
a. 38 sq units c. 36 sq units
b. 30 sq units d. 40 sq units

Answers

The correct answer is c

How many times larger is the area of the scale copy compared to that Triangle A?

Answers

The answer is 20 why because it’s a triangle

The approximate weights of the two animals are 5.12 x 102 lbs. and 6.8 x 102 lbs. Find the total weight of the two animals. Write the final answer in scientific notation with the correct number of significant digits. Can you please help me and stop deleting my question :(
these are the answers
1.2 x 103 lbs.
1.19 x 103 lbs.
11 x 102 lbs.
5.8 x 102 lb

Answers

Answer: Option A is the correct answer

Step-by-step explanation: I took the test and got it right

The total weight of the two animals is 1.19 x 10³ lbs. So the correct option is B.

Given approximate weights of the two animals are as:

1. 5.12 x 10² lbs

2. 6.8 x 10² lbs

We need to find the total weight of the two animals.

Step 1: Add the weights together:

5.12 x 10² lbs + 6.8 x 10² lbs

Step 2: Perform the addition:

(5.12 + 6.8) x 10² lbs

11.92 x 10² lbs

Step 3: Express the result in scientific notation with the correct number of significant digits:

The first number, 11.92, has three significant digits. To maintain three significant digits in the final answer, we can express it as 11.9 (rounding to the nearest tenth) and adjust the exponent accordingly:

11.9 x 10² lbs

This matches option 2 from your provided answers:

2. 1.19 x 10³ lbs.

So, the correct answer is: 1.19 x 10³ lbs.

To learn more about exponent link is here

brainly.com/question/32860606

#SPJ3

18.
Referring to the figure, the circle shown is drawn on grids. Find
A ÷ r and A ÷ r2.
a. 18.8, 4.6 c. 7.9, 3
b. 19.8, 4.9 d. 15.8, 3.2

Answers

A is the answer, I think

A I pretty sure I think and it say r2

Please hurry will give braliny

Answers

Answer:

Step-by-step explanation:

2-8= -6

6 squared= 36

(2-8)= -6

square root of 81=9

-6 times 9 = -54

36-54=-18

The answer would be b

Please hurry will give braliny

Answers

Answer: B:10

Step-by-step explanation:

2((a+b)²-b)

2((3+(-1))² - (-1))

3+-1=2

2(2²-(-1))

2(4+1)

- x - = +

2(5)

B 10 is correct i think

HELP
The absolute value inequality 5 <= I x l — n is graphed below. What is the value of n?

Answers

Answer:

n ≤ − 5 + I x l

Step-by-step explanation:

The value of is: n ≤ -5+ |x|

Please Help!! Grade 7 Math!! K12!!

Answers

Answer:

See below

Step-by-step explanation:

To find the total cost we need to know whats fixed, and what's variable (changing)

Fixed: $14 handbag

Variable: $0.50 / earring

Set up your polynomial, rule of thumb, all variables get multiplied by x

Total cost = x($0.50/earring) + $14 handbag

Substitute 0,5,10, and 15 for x and see which one matches the answer choices

Set up your polynomial, rule of thumb, all variables get multiplied by x

Total cost = x($0.50/earring) + $14 handbag

Substitute 0,5,10, and 15 for x and see which one matches the answer choices

Step-by-step explanation:

Find the slope of the line that has a y intercept of 4 and passes through the point (-3, 1)

Answers

Answer: m = 1 (m is slope)

Step-by-step explanation:

1. y-int is coordinate, so it is (0,4)

2. with (0,4), we can now use (-3,1):
4 - 1 = 3 and with the x, it is 0 + 3 = 3
So, it is 3/3 = 1, so the slope is 1

Answer:

Line L1 : Passes thro' (3,3)

y-intercept = 4 ===> (0,4)

Slope = (4 - 3)/(0 - 3) = 1/-3

Slope of L1 = -1/3.

Step-by-step explanation:

Please help a girl out. My best friend is having trouble with this and I can't figure it out either. Thank you!

Answers

Answer:

3D + ( -4)

Step-by-step explanation:

your just simplifying the expression I'm sure lol

3d + (-4)

2d + d = 3d and 1 - 5 = -4

Please help asap bro i dont get it

Answers

Answer:

the answer is 2

Step-by-step explanation:

10x-3=17

10x=17+3

10x=20

x=20÷10

x= 2

Answer:

-13

Step-by-step explanation:

You cant subtract so do the opposite

There are about 2.2 pounds in one kilogram. If Allison's bag weighs
19.54 pounds, about how many kilograms does it weigh? Did you multiply
or divide to find your answer?
a. 8.88, divide c. 8.88, multiply
b. 39.08, multiply d. 39.08, divide

Answers

You divide 19.54 by 2.2

Answer:

8.88

Step-by-step explanation:

...

Please hurry will give braliny

Answers

The Correct answer is D

Answer: D

Step-by-step explanation:

Greg has
3 rows of stamps with 10 stamps in
each row. Greg says there are a total of
35 stamps. Use what you have learned
about multiples of 10 to explain why
Greg is incorrect.

Answers

Answer:

All multiples of 10 end with 0 only. So 35 must be wrong as it ends with 5. Therefore, Greg is incorrect.

It could not end in 5 and only in 0

Use the standard algorithm to find the product of 853 and 59. Record the product of multiplying by the ones digit, the product of multiplying by the tens digit, and the final product. (10 points)
The product of multiplying the ones digit of 59 by 853 is (blank). The product of multiplying the tens digit of 59 by 853 is (blank). The product is (blank).

Answers

Answer:

Hey what grade are you in becusea if you in 8 we can both hlep each other

Step-by-step explanation:

1 this is because you have to carry the 2

22.54 ÷ 4.9 =?
A. 0.46
B. 0.45
C. 4.5
D. 4.6

Answers

Answer:

D. 4.6

Step-by-step explanation:

22.54 / 4.9 = 4.6.

the answer is D, 4.6

A gem store in Fort Lauderdale received a shipment of 1 1/2 pounds of moonstone crystals if these moonstones crystals if these moonstone crystals were separated into 6 equal bags how much would each bag weigh?

Answers

Each bag would weigh 1/4 of a pound

A shipment of 1.5 pounds of moonstone crystals was divided into 6 equal bags. Each bag would weigh 0.25 pounds, which is the same as 4.0 pounds.

How to solve

To solve this problem, we can use the following equation:

total weight / number of bags = weight of each bag

In this case, the total weight is 1.5 pounds and the number of bags is 6. So, the weight of each bag is:

1.5 pounds / 6 bags = 0.25 pounds per bag

Since 0.25 pounds is the same as 4.0 pounds, each bag would weigh 4.0 pounds.

Answers

Answer:

[tex]\displaystyle {y^4}[/tex]

Step-by-step explanation:

The GCF of a set of numbers is the biggest divider that will divide all the numbers without leaving a remainder
As an example, the GCF of 4, 8 and 20 is 4, for 3, 4 and 5 it is 1 since there is no common factor

[tex]\textrm {We have the three numbers as }[/tex] [tex]y^4, y^5 \;and\; y^{10}[/tex]

Which of these numbers will divide into each of these without leaving a remainder?

[tex]\mathrm{The \:exponent\:rule}:\quad \dfrac{x^a}{x^b}=x^{a-b}[/tex]

This means the smallest exponent value [tex]y^4[/tex] will be the GCF because
[tex]\dfrac{y^4}{y^4} = 1\\\\\dfrac{y^5}{y^4} = y^{5-4}} = y^1\\\\\dfrac{y^10}{y^4} = y^{10-4}} = y^6\\\\\\[/tex]

So the general rule for finding the GCF of [tex]y^a, y^b \;and\; y^c is\\\\\mathrm {\;Choose\; the\; one \;with \;the \;lowest \;exponent \;value \;among \;exponents\; a, \;b \;and\; c}[/tex]

What translation is shown below?

4 units left
2 units right
4 units right
2 units left

Answers

Answer:

4 units left

Step-by-step explanation:

the signifies the new location and you must follow one point to its corresponding point after translation

A’ (-3,3) B’(-4,1) C’(-2,1)

First person to answer this quickly, I MEAN QUICKLY!! And right, you will be voted brainliest. Good luck!

Answers

Answer:

Step-by-step explanation:

I.d.k but ok

Answer:Diver A is 21 ft below Diver BStep-by-step explanation:Diver A-18 then goes down 30-18 - 30 = -48Diver B is at -27Relationship-48 - -27-48+27 = -21Diver A is 21 ft below Diver B

HELP ME I NEED TO DO THIS REAL QUICK, THANK YOU SO MUCH

A section of a boardwalk is made using 15 boards. Each board is 9 1/4 inches wide. The total width of the section is 144 inches. The spacing between each board is equal. What is the width of the spacing between each board? Write your answer in simplest form.

Answers

Answer: 3/8 is the answer

Step-by-step explanation:

Which group of numbers is listed from least to greatest?

|-4|, 5, |-6|, 7, |-8|
|-8|, |-6|, -1, 5, 8
-6, |-7|, |-8|, 0, 2
9, 7, 5, |-4|, |-3|

Answers

The answer is A

With |-4| being the absolute would make it 4

The answer is A
With -41 being the absolute would make it 4

The approximate weights of the two animals are 5.12 x 10^2 lbs. and 6.8 x 10^2 lbs. Find the total weight of the two animals. Write the final answer in scientific notation with the correct number of significant digits. Can you please help me and stop deleting my question :(
these are the answers
1.2 x 103 lbs.
1.19 x 103 lbs.
11 x 102 lbs.
5.8 x 102 lb

Answers

Ya the answer is b
I

Answer: is b

Step-by-step explanation:

What is the length of bottom side of the scaled copy?

Answers

Answer:

n each scaled copy, the sides are a certain number of times as long as the corresponding sides in the original. We call this number the scale factor. The size of the scale factor affects the size of the copy. A scale factor greater than 1 makes a copy that is larger than the original.

Step-by-step explanation:

go-ogle

hope this helps

In each scaled copy, the sides are a certain number of times as long as the corresponding sides in the original. We call this number the scale factor. The size of the scale factor affects the size of the copy. A scale factor greater than 1 makes a copy that is larger than the original.

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Help please. Screenshot if below: The table shows the changes in the times (in seconds) of four teammates. What is the mean change? Write your answer as a decimal. {picture} The mean change is _____second(s).

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Help please. Screenshot if below:

The table shows the changes in the times (in seconds) of four teammates. What is the mean change? Write your answer as a decimal. {picture}
The mean change is _____second(s).