2. What is the mass of an object that is 10 m above the ground and has
543 J of PE?

Answers

Answer 1
PE = mgh
Plug in the values
543 J = m * 9.8 * 10
543 = m * 98
Divide both sides by 98
m = 5.54 kg

Related Questions

Eight boys and fifteen girls are in a classroom. What is the probability of choosing a boy or a girl from the
class?

Answers

Answer:

it would be 8 to 15

Step-by-step explanation:

you would write it as a fraction 8/15. then, you would try and simplify it. because you cant simplify 8/15 anymore, your answer would be 8/15! hope this helps :)

choose all the ones
Bella is taking classes at her local gym where a few pricing choices are available to her. She wants her average cost for each class to be below $6 per class. Which pricing choice has an average price less than $6 per class?

Choose all that are correct.

A.
$196 for 35 classes


B.
40-class pass for $260


C.
50-class pass for $250


D.
10-class pass for $55


E.
$342 for 45 classes

Answers

Answer:

A, C, D

Step-by-step explanation:

A. $5.60 per class

$196 divided by 35

B. $6.50 per class

$260 divided by 40

C. $5.00 per class

$250 divided by 50

D. $5.50 per class

$55 divided by 10

E. $7.60 per class

$342 divided by 45

avg price for A = $195/35 = $5.57
avg price for B = $260/40 = $6.50
avg price for C = $250/50 = $5
avg price for D = $55/10 = $5.50
avg price for E = $342/45 = $7.60

answer : A,C,D

e fence factorise completely
this expression
144​

Answers

144 = 12² = (3 x 4)²

Hope this helps

prove that 1/log (xy)² +1/log(xy²) + log(xy³) =1 there base are x,y and z respectively.​

Answers

Answer:

[tex]1/log (xy)² +1/log(xy²) + log(xy³) =1[/tex]

Step-by-step explanation:

This is your equation, right? Just checking

A sales manager analyzed the sales, in dollars, y, of beach products compared to the outside temperature, in Fahrenheit, x. The manager calculated the correlation coefficient of r = 0.75.

Which conclusion is most appropriate based on the correlation coefficient of the data?

There is a strong positive relationship, therefore as x increases, y increases.
There is a strong positive relationship, therefore as x increases, y decreases.
There is a weak positive relationship, therefore as x increases, y increases.
There is a weak positive relationship, therefore as x increases, y decreases.

Answers

Answer:

There is a strong positive relationship, therefore as x increases, y increases

Step-by-step explanation:

Which expression uses the commutative property to make it easier to evaluate 3/5·1/4·25
A.25·4·3/5
B.5/3·25·1/4
C.3\5·25·1\4
D.3/5·1/25·1/4​

Answers

Answer:

C

Step-by-step explanation:

The expression that uses the commutative property is 3/5 × 25 × 1/4

What is the commutative property?

The commutative property is a math rule that says that the order in which we multiply numbers does not change the product.

Given is an expression 3/5 × 1/4 × 25

We know that,

The commutative property of multiplication states that:

A × B × C = B × C × A

Using the above equation, we have the result of the commutative property to be:

3/5 × 1/4 × 25 = 3/5 × 25 × 1/4

Hence, the expression that uses the commutative property is 3/5 × 25 × 1/4

Read more about commutative property at

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Given q(x)=3x and r(x)=x2.

What is (r∘q)(2)?
a. 36
b. 10
c. 12
d. 24

Answers

Answer:

36

Step-by-step explanation:

(r∘q)(2)=

= ((3x)^2(2)

=(3*2)^2

=6^2

=36

Find the solution of this system of equations
2x - 2y = -20
-2x + 4y = 14

Answers

The (x, y) would be (-13, -3)

HELP ME ASAP!!

Write a rule for the nth term of the geometric sequence using the given information: a1= 5 and r=2

Answers

Answer:

[tex] \huge A (n) = 5 ({2})^{n - 1} \\ [/tex]

Step-by-step explanation:

The nth term of a geometric sequence is given by

[tex]A(n) = a _ 1( {r})^{n - 1} [/tex]

a1 is the first term

r is the common ratio

From the question we have the final answer as

[tex]A (n) = 5 ({2})^{n - 1} [/tex]

Hope this helps you

Use the distributive property to identify the equivalent expression.

8x + 10

Answers

Answer:

36

Step-by-step explanation:

8squared+10=18

18x2=36

Answer:

ummmmmmmmmmmmmmmmmmmmmmmm

2.

The change, in yards, in a football team's position on the field for each of their last four plays is

shown below.

-4, 7, -7,0

Which list correctly compares the changes, in yards, in the football team's position on the field?

A. -7<-4< 0 < 7

B. -4 <-7 <0 <7

C. 0<-7<-4 <7

D. 0<-4 <-7<7

Answers

Answer:

[tex]-7 < -4 < 0 < 7[/tex]

Step-by-step explanation:

Given

Change: -4, 7, -7 and 0

Required

Compare them

From the list of given options, we can observe that the inequality < is used in all options.

This implies that we arrange from least to highest

The least is -7

Then, -4

Then 0

And lastly, 7

So, we have:

[tex]-7 < -4 < 0 < 7[/tex]

Answer: is it –7<–4<0<7

25 yd
22 yd
The height is approximately
yards. (Round to the nearest tenth.)

Answers

Answer:

30 and 20

Step-by-step explanation:

How to find the domain and range of numbers

Answers

Answer:

m a g i c  t h a t ' s  h o w

what's 9x - 7i > 3 (3x - 7u) ?

Answers

Step-by-step explanation:

9x-7i>9x-21u

-7i>-21u

i<3u

The solution to the given inequality 9x - 7i > 3(3x - 7u) is i < 3u.

Given that:

Inequality: 9x - 7i > 3 (3x - 7u)

To solve the inequality 9x - 7i > 3(3x - 7u), follow these steps:

Step 1: Distribute the 3 on the right side of the inequality as:

9x - 7i > 9x - 21u.

Step 2: Simplify the inequality.

9x - 9x - 7i > - 21u.

Step 3: Rewrite the inequality.

After cancelling out the 9x terms, we are left with -7i > -21u.

Step 4: Divide both sides by -7.

i < 3u

Therefore, the solution to the inequality 9x - 7i > 3(3x - 7u) is i < 3u.

Learn more about Inequality here:

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A turtle walks 12 feet in one hour. How many inches does the turtle walk in one hour?

Answers

144 inches. 12 feet in one hour
12 inches per feet

12feet x 12 inches per foot= 144 inches

find the sum
(−5x2+4x−2)+(−8x2+2x+1)

Answers

Answer:

3[tex]x^{2}[/tex] + 6x - 1

Step-by-step explanation:

(-5[tex]x^{2}[/tex] + 4x - 2) + ( 8[tex]x^{2}[/tex] + 2x + 1)

1.Remove parenthesis

-5[tex]x^{2}[/tex] + 4x - 2 + 8[tex]x^{2}[/tex] + 2x + 1

2. Combine like terms

3[tex]x^{2}[/tex] + 6x - 1

Answer:

I believe that he answer is -8x  squared -x +3.

Step-by-step explanation:

A company called Blurb prints books. According to its advertisement, you get a 15% discount on all orders of 51 or more copies of the same book (up to 100 copies). Is the cost per order a linear function of the number of copies you order (up to 100)?

Answers

Answer:

Yes, the cost per order is a linear function of the number of copies you order (up to 100).

Step-by-step explanation:

Let;

y = Total cost of order from one copy up to 100 copies or dependent variable

a = Cost of 50 copies or fixed intercept

x = Cost of 51 copies or more up to 100 copies or dependent variable, i.e. 51 = x [tex]\leq[/tex] 100

b = Coefficient of x = 1 - Discount rate = 1 - 15% = 1 - 0.15 = 0.85

We can therefore represent have a function as follows:

y = a + bx ........................ (1)

Substituting b = 0.85 into equation (1), we have:

y = a + 0.85x ...................... (2)

Equation (2) implies that as b equal to 51 or more up to 100, y also increases. Equation (2) is therefore an example of linear function which will give an upward sloping straight line and can be rewritten as:

y = f(x) = a + 0.85x ................. (3)

Therefore, the cost per order is a linear function of the number of copies you order (up to 100).

Square root of 24 using perfect squares

Answers

24 is not a perfect square.

What is a Perfect Square ?

A perfect square is a number that can be written as a product of an integer and another integer itself.

To determine the square root of 24

24 = 6 * 4

6 square can be drawn of 4 small squares

[tex]\rm \sqrt {24} = \sqrt{ 4*6} \\\\=\sqrt{4} * \sqrt{6} \\\\= 2 \sqrt{6}[/tex]

Therefore 24 is not a perfect square.

To know more about Perfect Square

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help me please? i needa help. am bad at maths.

Answers

Answer:

6/3 or 2 (you should probably write 2 though)

(there’s a couple notes in the pic too that will help you with slopes)

6.4 meters + 14.7 - 23.2 = ?

Answers

Answer:

-2.1

Step-by-step explanation:

Answer:

-2.1

Step-by-step explanation:

A circular fountain has 132 feet of railing around it. What is the area of the fountain to the nearest square foot? Use 3.14 for π. *

Answers

Answer:

139

Step-by-step explanation:

First we need to find diameter 132/3.14=42 rounded

Then we halve it to find radius 42/2=21

Formula for area is radius x radius x 3.14

21 x 21 = 441 x 3.14 = 138.74 round up is 139

Answer:

18.8 feet, 59.1 feet to the nearest tenth

Step-by-step explanation:

The diameter is the line drawn that divides the circle into two while the circumference is the perimeter of the circle. Both are a measure of the radius of the circle.

The diameter D = 2r where r is the radius of the circle

The circumference = 2Πr = ΠD where Π = 22/7

Given that the circular fountain has a radius of 9.4 feet

Its diameter =  2 × 9.4 feet = 18.8 feet

The circumference = 22/7 × 18.8 feet

=59.09 feet

≈ 59.1 feet to the nearest tenth

Please need help thank

Answers

Answer: 3 apples left

65 devided by 5 13

13-10

Step-by-step explanation:

Answer:

3 apples

Step-by-step explanation:

What is the value of p in the proportion below?
20/6 = p/12

O 2
O 10
O 40
O 72​

Answers

Answer:

p = 40

Step-by-step explanation:

20/6 = p/12

Reduce the fraction on the left side.

10/3 = p/12

Cross multiply.

3p = 10 * 12

Divide both sides by 3.

p  = 10 * 4

p = 40

20/6 = p/12
p=40
hope this help you

HELP PLSSSSSSSSSSSS!!!!!!!!!!!!!!


Several pennies are placed along a meter stick and the position in centimeters of each penny is recorded. The mean position is the 50-centimeter mark and the MAD is 10 centimeters. What information does this tell you about the position of the pennies along the meter stick?


I NEED ANSWER FAST!!!!!!!!!!!!!!!!!!! DONT WASTE TIME IF YOU DONT KNOW WHAT IT IS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

60

Step-by-step explanation:

Simplify the numerator [n] and give the factors of the denominator [d] after simpifying.

Answers

Hi... U should do like this...

45/43 as a percentage rounded to the nearest tenth?

Answers

Answer:

104.65116279%

Step-by-step explanation:

Answer:

104.7 % to the nearest tenth.

Step-by-step explanation:

Multiply the fraction by 100:

= (45*100)/43

= 104.651.

The ratio of cups of sugar to gallons of lemonade is 3 cups to 1 gallon. How many cups of sugar are needed to make
5 gallons of lemonade?

Answers

Answer:

15 cups of sugar

Step-by-step explanation:

Answer gets the crown
What does an algorithm have to do with processing?

Algorithms are a series of steps
Algorithms have nothing to do with processing
Algorithms are the steps that would be converted into a program that a computer could use to process information, changing it from input to an output.
Algorithms are the steps that would be converted into a program that a computer could use to process information, changing it from output to input.

Answers

Answer: c. Algorithms are the steps that would be converted into a program that a computer could use to process information, changing it from input to an output.
Explanation: algorithms are steps that is used for data processing. It’s better to think of this as a flow chart. The input (usually from the user) goes in, the algorithm processes the information (this is where the input changes to an output), and spits out the output. This is the best answer out of all the options.

this was very hard for me please help thanks.​

Answers

Step-by-step explanation:

m<5 = 60 (<5 & 60deg < are vertical)

m<6 = 120 (<s 5 and 6 are a linear pair)

m<9 = 120 (<s 6 and 9 are vertical)

m<4 = 80 (<s 4 and 80 deg < are vertical)

m<7 = 100 (<7 and 80 deg < are linear pair)

m<10 = 100 (<s 7 and 10 are vertical <s)

m<8 = 60 (<s 5 and 8 are corresp <s)

m<3 = 80 (80 deg <3 are corresp <s)

m<2 = 40 (80 + 60 + m<2 = 180)

m<1 = 60 (<s 1 & 5 are alt int <s)

Diane ran 28.6 miles in a marathon She averaged 6 minutes per mile. How many total minutes did Diane run?

Answers

Answer:

171.6 minutes

Step-by-step explanation:

28.6*6

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