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HELpppppppppPPPPPPPPPPPPPPPpppppPPPPPPPP

Answers

Answer 1

Answer:

(a) mintutes, seconds

(b) Randomly pick 55 students to run a lap around the track and measure their times

Step-by-step explanation:

(a) When measuring distance like running you measure it in minutes and seconds

(b) When finding the average of a population you have to pick randomly and to get the best results you time them youself

Randomly pick 55 students to run a lap around the track and measure their times.


Related Questions

Pretty please help me

Answers

Answer:

15 percent

Step-by-step explanation:

just look up 180 plus each percentage

what is the number for x
5= x over 6

Answers

Answer:

x=30

Step-by-step explanation:

5=x/6

30=x

Mrs. Sloan is purchasing 3.4 pounds of trail mix that costs $4.25 per pound. How much change will Mrs. Sloan receive if she gives the cashier $20.00?

Answers

Answer:

she should get in change $5.55

There is a map of the world on the wall in
Mr. Smith's classroom. The scale on the
map
lists 1 inch to 400 miles. On his map,
Mr. Smith measured 13 inches between the
United States and Europe. How many
miles is the distance from the
United States to Europe?
[? ] miles

Answers

The distance from the United States to Europe is 5200miles.

We have given that the,

There is a map of the world on the wall in Mr. Smith's classroom.

The scale on the map

lists 1 inch to 400 miles.

On his map, Mr. Smith measured 13 inches between the United States and Europe.

What is the value of one inch?

The value of one inch is 400 miles.

We have to determine the 13 inches in miles

We have given that

1inch=400miles

Therefore multiply both side by 13 so we get

13inches=13(400)miles

             =5200miles

Therefore we get, the distance from the United States to Europe is 5200miles.

To learn more about the unit conversion visit:

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Answer:

5200

Step-by-step explanation:

If the scale on the map is 1 inch to 400 miles, and Mr. Smith measured 13 inches between the United States and Europe, we can find the distance in miles by multiplying the number of inches by the scale:

Distance in miles = Number of inches * Scale

Distance in miles = 13 inches * 400 miles/inch

Distance in miles = 5200 miles

Therefore, the distance from the United States to Europe, based on Mr. Smith's map, is 5200 miles.

Find the surface area of the cone in terms of pi. 15cm 3cm

Answers

Answer:

The surface area of cone = 54π cm²

Step-by-step explanation:

Given ;

Radius = 3 cm

slant height = 15cm

The surface area of cone = πr ( r + l )

=> π × 3 ( 3 + 15)

=> π × 3 ( 18)

=> 54 π cm²

Answer:


Option a



Explanation :


check out my attached work


Hope it helps, let me know if you have any questions !


Have a nice rest of your day :)


The graph of a function is shown on the grid.

Answers

Answer:

y-intercept = (-2,0)

Step-by-step explanation:

the "C" is the answer

What percent of the buildings are no taller than 345 meters?

Answers

Answer:

the answer is 75%

each dot represents 25% of the data

Below 345 meters are 3 points

so, 3 * 25% = 75%

Solve for x in 41n(x-7)=8

Answers

Answer:

Simplifying

41n(7x) = 8

Remove parenthesis around (7x)

41n * 7x = 8

Reorder the terms for easier multiplication:

41 * 7n * x = 8

Multiply 41 * 7

287n * x = 8

Multiply n * x

287nx = 8

Solving

287nx = 8

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Divide each side by '287x'.

n = 0.02787456446x-1

Simplifying

n = 0.02787456446x-1

Step-by-step explanation:

doing a practice test, what is -7/2-(5/8+1/4) ?

Answers

Answer:

4.375

Step-by-step explanation:

Answer:

-4.375

Step-by-step explanation:

7/2=3.5

1/4=0.25

5/8=0.625

5/8+1/4=0.875

-7/2-(5/8+1/4)= -4.375

Please help! Will mark brainlyest.

Answers

Answer:

It would be the last one

Step-by-step explanation:

A little more help???

Answers

Answer:

12.7

Step-by-step explanation:

9^2+9^2=162

square root of 162 equals roughly 12.7

Use the pythagorean theorem

what is the simplified answer to 1/2(x+1)-1/3(x-1) ???

Answers

Answer:

.5x+.5-1/3x-1/3

Step-by-step explanation:

You then would combine like terms and get x

PLEASE HELP
last choice: Olga did not make a mistake

Answers

Answer:

Step 3

Step-by-step explanation:

They divided, they should have multiplied

According to the line plot, what is the total weight gained by the dogs that gained 1/8 f a pound or 3/4 of a pound?
A. 2 1/2 pounds
B. 3 1/2 pounds
C. 5 pounds
D. 3 1/8 pounds

Answers

According to the line plot, the total weight gained by the dogs that gained ¹/₈ of a pound or ³/₄ of a pound is C. 5 pounds.

What is a line plot?

A line plot is a graph that uses check marks above a number line, to show the frequency of each value.

In this line plot, the addition of the weights gained by dogs that gained ¹/₈ of a pound or ³/₄ of a pound shows the total.

The quantity of weight in pounds gained by the dogs that gained ¹/₈ of a pound = 1

The quantity of weight in pounds gained by the dogs that gained ¹/₄ of a pound = 2

The quantity of weight in pounds gained by the dogs that gained ³/₈ of a pound = 2

The quantity of weight in pounds gained by the dogs that gained ¹/₂ of a pound = 3

The quantity of weight in pounds gained by the dogs that gained ³/₄ of a pound = 4

Thus, based on the line plot, the total weight gained by the dogs that gained ¹/₈ of a pound or ³/₄ of a pound = 5 (1 + 4)

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Three times the sum of a number, y, and 5 is at most 36.

Answers

Answer:

7

Step-by-step explanation:

3(y+5)=36

divide both sides by 3

y+5=12

minus 5

y=7

Three times the sum of a number y, and 5 is at most 36 is equivalent to  y = 7

What are Arithmetic operations?

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.

Operators which let do a basic mathematical calculation

+ Addition operation: Adds values on either side of the operator.

For example 12 + 2 = 14

- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.

for example 12 -2 = 10

* Multiplication operation: Multiplies values on either side of the operator

For example 12*2 = 24

Given that three times the sum of a number y, and 5 is at most 36.

⇒ 3(y+5)=36

Divide both sides by 3

⇒ y + 5 = 12

Subtract by 5 in the equation

⇒ y = 7

Hence, three times the sum of a number y, and 5 is at most 36 is equivalent to  y = 7

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The value of Betty's car decreased from $22,000 to $18,700. What is the percent decrease in Betty's car?

Answers

Answer:

Step-by-step explanation:

22000-18700=3300

3300/22000x100=15%

Answer:

It is a 15 percent decrease

Step-by-step explanation:

Divide 18700 by 22000, and your answer will be 0.85 but its asking for the decrease, 100-85=15, so 15% is the decrease.

The dimensions of the rectangular prism are shown on the net below. Which of the following is closest to the total surface area of the figure?
A. 101.6 cm^2
B. 203.2 cm^2
C. 285.1 cm^2
D. 178.7cm^2

Answers

The area of a 2D form is the amount of space within its perimeter. The total surface area of the rectangular prism is 203.2 units².

What is an area?

The area of a 2D form is the amount of space within its perimeter. It is measured in square units such as cm2, m2, and so on. To find the area of a square formula or other quadrilaterals, multiply its length by its width.

The total surface area of a rectangular prism is given by the formula,

Total Surface Area = 2[(Length×width) + (Length×height) + (height×width)]

Given the length of the rectangular prism is 9cm, the width of a rectangular prism is 7.6 cm, and the height of the prism is 2 cm. Therefore, the total surface area can be written as,

[tex]\text{Total Surface Area} = 2[(9 \times 7.6) + (9 \times 2)+(2 \times 7.6)][/tex]

                              [tex]\rm = 2(68.4+ 18 + 2 \times 15.2)\\\\= 203.2\ cm^2[/tex]

Hence, the total surface area of the rectangular prism is 203.2 units².

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Which expression is equivalent to (8x+6)+(10x−30)?

18(x−24)
9(2x−24)n

18x−3618

6(3x−4)

Answers

18(x-24) is the expression that’s equivalent to (8x+6)+(10x-30)

What is the slope of the line that passes through the points ( − 5 , 6 ) and(−9,−6)? Write your answer in simplest form.

Answers

Answer:

-3

Step-by-step explanation:

The equation for slope is y2-y1/x2-x1 so put you numbers in and you get

-6-6/-9+5

-12/4

and then -3

Answer:

-3

Step-by-step explanation:

[tex]y=mx+b[/tex] is equation of a straight line.

Here, the slope is m.

[tex]m=\frac{y_{2}-y_{1} }{{x_{2}-x_{1}}} =\frac{-6-6}{-9-(-5)} =\frac{-12}{-4}=-3[/tex]

How to solve 12 1/2 x 4 in area model?

Answers

Hey there!

12 1/2 * 4

= 12 1/2 * 4/1

= 12 * 2 + 1 / 2 * 4/1

= 24 + 1 / 2 * 4/1

= 25/2 * 4/1

= 25(4) / 2(1)

= 100 / 2

= 100 ÷ 2 / 2 ÷ 2

= 50 / 1

= 50

EASIER UNDERSTANDING….

= 25 + 25 + 25 + 25 / 2 + 0

= 50 + 50 / 2 + 0

= 100 / 2

= 100 ÷ 2

= 50


Therefore, your answer is: 50


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

What is the answer to 25% of 50

Answers

Answer:

12.5

Step-by-step explanation:

.25 x 50= 12.5

2
Find the are of the following circle with radius 2xy?
Area of a circle is A=r
2
=

Answers

Answer:

2πxy^2 unit^2

Step-by-step explanation:

area of circle=πr^2

=π×2xy^2

=2πxy^2

Which expression is equivalent to ? Prove your choice is correct.

Answers

[tex]\\ \rm\Rrightarrow \dfrac{(11^6.6^9)^2}{11^3}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{11^{6(2)}.6^{9(2)}}{11^3}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{11^{12}.6^{18}}{11^3}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{11^{12-3}6^{18}}{}[/tex]

[tex]\\ \rm\Rrightarrow 11^96^{18}[/tex]

Answer:

B

Step-by-step explanation:

[tex]\sf Given \: expression\: :\dfrac{(11^6 \cdot 6^9)^2}{11^3}[/tex]

[tex]\sf Apply\:exponent\:rule\quad (a^b)^c=a^{bc} :[/tex]

[tex]\sf \implies \dfrac{11^{6 \times 2} \cdot 6^{9\times2}}{11^3}[/tex]

[tex]\sf \implies \dfrac{11^{12} \cdot 6^{18}}{11^3}[/tex]

[tex]\sf \implies \dfrac{11^{12}}{11^3} \cdot 6^{18}[/tex]

[tex]\sf Apply\:exponent\:rule\quad \dfrac{a^b}{a^c}=a^{b-c} :[/tex]

[tex]\sf \implies 11^{12-3} \cdot 6^{18}[/tex]

[tex]\sf \implies 11^{9} \cdot 6^{18}[/tex]

helppppppppppppppppppppp

Answers

Answer:

Perimeter =28 units.

Area = 45 unit^2.

Step-by-step explanation:

The length of  first side (joining first 2 points) = 5 - (-4) = 9  (as y coordinates are both -5)

The line joining the 2nd and third points = 0 - (-5) = 5

The line joining the 3rd and 4th points = 5 - (-4) = 9.

The line joining the first  and 4th points = 0 - (-5) = 5

So the perimeter = 2(5) + 2(9)

= 28 units.

Area =  5*9 = 45 unit^2.

Answer:

See below ~

Step-by-step explanation:

Finding Area

Area = Length x BreadthArea = (5 - (-4)) x (0 - (-5))Area = 9 x 5Area = 45 square units

Finding Perimeter

Perimeter = 2(Length) + 2(Breadth)Perimeter = 2(Length + Breadth)Perimeter = 2(9 + 5)Perimeter = 2(14) = 28 units

HELPL ME PLEASE I HAVE THE IMAGE READ IT !!!!!

Answers

Answer:

494

Step-by-step explanation:

931-437=494 :)

The body of a 154 pound person contains approximately 2 x 10^-1 milligrams of gold and 6 x 10^1 milligrams of aluminum. Based on this information, the number of milligrams of aluminum in the body is how many times the number of milligrams of gold in the body

Answers

let a be aluminum and g be gold and k how many times:

2*10⁻¹mg a+ 6*10¹mg g= 154 lb

so a=kg

k=a/g

k=2*10⁻¹/6*10=1/300

a=1/300g

so Aluminum is 1/300 of gold.

A $55 shirt is on sale for 35% off what is the sale price?

Answers

Answer:

$35.75

Step-by-step explanation:

35%=35/100

35/100x55=19.25

55-19.25=35.75

pls help I really need to do this due today!!!!!!

Answers

Answer:

B She is correct because the shape is a quadrilateral with at least one pair of Parallel sides.

Step-by-step explanation:

The side on the top is parallel with the side on the bottom.

It could not be A because there is only one pair of parallel sides.

It can’t be C or D because the shape is a trapazoid.

Answer:

B

Step-by-step explanation:

!! She is correct because the shape is a quadrilateral with at least one pair of parallel sides.


##Have a lovely day today ^^!

Can you help my sister with fractions while I'm studying. I need to review on my exams

Answers

Answer:

4 + [tex]\frac{1}{2}[/tex] = 4 [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

We have 4 whole circles and half a circle so 4 + [tex]\frac{1}{2}[/tex] = 4 [tex]\frac{1}{2}[/tex]

evaluate the expression 4x for each value of x

Answers

4x equals 78 it is the best answer to go with
Other Questions
Please help with the following questions, 50 points AND Brainliest if ALL are correct. 1) Exhaust from motor vehicles is the number one cause of what?A. carbon monoxide pollutionB. acid rainC. mercury poisoningD. sulfur dioxide pollution2) Choose all the answers that apply.Carbon dioxide:A. is a waste product of photosynthesisB. is a waste product of respirationC. is the most abundant gas in the atmosphereD. is the leading cause of the greenhouse effectE. is released when fossil fuels are burned3) Choose all the answers that apply.The greenhouse effect is:A. slowly increasing sea levelsB. caused when atmospheric gases trap heatC. slowly increasing global temperatureD. melting the polar ice capsE. increasing because of carbon dioxide emissions4) Electrical power plants are the main contributor of what?A. mercury poisoningB. sulfur dioxide pollutionC. oxygen pollutionD. pollution5) Which of the following is the best way to slow the greenhouse effect?A. drive more oftenB. stop using electricityC. increase the amount of oxygen released by plantsD. use energy sources other than fossil fuels6) Which part of the water cycle is happening when it is raining in Seattle, Washington?A. precipitationB. condensationC. evaporationD. respiration7) Choose all the answers that apply.Water on earth:A. is slowly decreasing in amountB. can be used to generate electricityC. is not considered a true natural resourceD. is recycledE. is slowly increasing in amount8) It is important to pick up waste from your pet because _____.A. mercury in waste can cause mercury poisoning in fishB. bacteria in waste can infect aquatic organismsC. bacteria in waste decreases the amount of oxygen in waterD. nutrients in waste can increase the algae population9) Choose all the answers that apply.Which of the following is a source of watershed pollution?A. pesticideB. trashC. chemical spillsD. animal wasteE. fertilizer10) Which of the following statements is true?A. Groundwater is not part of the water cycle.B. Most of the earth's water is freshwater.C. Thermal pollution is the main disadvantage of hydroelectric power.D. Refining oil pollutes the air with nitrogen dioxide.11) Choose all the answers that apply.Which of the following are renewable resources?A. oilB. waterC. woodD. coal12) Which of the following statements is true?A. Paper can be recycled, but plastic and metal cannot.B. Individuals cannot protect the environment, only the government can.C. Walking short distances instead of driving can help reduce the greenhouse effect.D. Contour plowing increases the rate of soil erosion.Thank you so much 100 points! compute the modulus and argument of each complex number 2(cos2pi/3+isin2pi/3) In addition to military members and federal civilian employees those who work in ______________ should send resumes and cover letters for security review. can somebody please give me the awnser? Does anybody know how to find area of a triangle? Which had the greater impact on people, Nationalism or Imperialism? After Joes funeral she observes in her unhappiness how Nanny had taken "the biggest thing God ever made, the horizon" and "pinched it in to such a little bit of a thing that she could tie it about her granddaughters neck tight enough to choke her. " At the end of the novel, though, Janie is able to "[pull] in her horizon like a great fish-net" with a delighted, peaceful heart. Explain why Nannys horizon was so restrictive for Janie and what led to its great expanse at the end. Use at least two examples of textual evidence to support your answer. Your answer should be at least two hundred words Pls help due tomorrow in a survey 15 high school students said they could drive 15 said they could not out of 60 college student survey 30 said They Could Dr., Micah concluded that if someone is in college that means in person is more likely to drive is is is micahs conclusion correct explain b/4 + 2 = 1 slove for b Find the volume of the tetrahedron in the first octant bounded by the coordinate planes and the plane passing through , , and . Which solution can be simplified to determine when the object will hit the ground? t = t = t = t = Answer ASAP and only if you know its correct this is science btw humans are _____ we cannot make your own food1. energy producers 2.producers 3. consumers 4. decomposers if the area of a rectangle is represented by the expression 12x^2-5x-3 and the length is 4x-3, what expression represents the width A cylinder has a height of 13 meters. Its volume is 16,328 cubic meters. What is the radius of the cylinder Read the following sentences:Owen came into the kitchen to find his sister icing her cake. She was very proud of it and got annoyed when Owen didn't praise her cake. He reminded her that the proof of the pudding is in the eating. When Owen ate the delicious-looking cake, he grimaced. His sister had put salt in the cake instead of sugar.What is the meaning of the adage or proverb the proof of the pudding is in the eating? aEating nutritious food will help to keep you healthy. bPudding is delicious and should be eaten every day. cSalt and sugar are very easy to mix up, and they taste different. dYou must try something before you can comment on it.GIVING BRAINLEST!!!! Convert the following 59m to nm yoooo somebody help!!! Choose one, then choose 2 equivalent gods from two other ancient religions (equivalent meaning that they are gods of something similar) then answer the following questions:1) List each god and their associated religion. What made you choose these gods?2) The three gods you have chosen are similar to one another. Distinguish one way they are each different from one another. 3) How have ancient polytheistic religions shaped their civilizations? Think about society/traditions/war/etc. PLEASE ANSWER ASAP