Posts by Sue

Total # Posts: 1,114

American History
Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today seeks to change ...

math
Given that sinx = cos(x+20o) write tanx in terms of sin20o and cos 20o. a) Hence find the values of tan x. b) Find the general solution of 3sec2y=5(1+tany)

Math
A car traveled 20 kilometers at 2pm and 90 km at 5pm pm how fast did the car travel? Round to the nearest whole number

Math
Why is the Cartesian System unique? The Cartesian System is unique because you can specify any point uniquely in a two or three dimensional space by using two or three Cartesian coordinates

Riddle
There are many keys but can't open a single door

American history
Who do you think profited the most during the industrialization? I think the middle class of factory owners, shippers, and merchants benefited the most because American cities allowed many middle-class Americans to live a more glamorous lifestyle with all the new technology ...

math
You're welcome.

Geometry (check my work)
A scoop of ice cream shape like a sphere with a diameter of 6 cm is placed on an ice cream cone the has a diameter of 5 cm and a height of 9 cm, show that the cone is or is not big enough to hold all of the ice cream when it melts ? Answer- I said the cone is too small ...

Math (Geometry)
what is the exterior angle sum of a 500 gon? I got .72 but I'm not sure if this is right, help would be very grateful :)

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4/3(3.14) 4.19 (2)^3 4.19 (8) 33.52 Instead of using 24in. I used 2ft. Instead since 24in. Equals 2 ft.

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4/3(3.14) 4.19 (2)^3 4.19 (8) 33.52 Instead of using 24in. I used 2ft. Instead since 24in. Equals 2 ft.

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4/3(3.14) 4.19 (2)^3 4.19 (8) 33.52 Instead of using 24in. I used 2ft. Instead since 24in. Equals 2 ft.

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4.19 (2)^3 4.19 (8) 33.52 Instead of using 24in. I used 2ft. Instead since 24in. Equals 2 ft.

Math
24 in. Equals 2 ft.

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4.19 (2)^3 4.19 (8) 33.52

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4/3 X 3.14 = 4.186 4.186 (24^3) 4.186 X 13,824 Answer: 57,867.264

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? V = 4/3 (pi)(r^3) 4/3 x 3.14/1 = 1.395 1.395(24^3) 1.395 x 13,824 V = 19,284.48

Math
Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? V = 4/3 (pi)(r^3) 4/3 x 3.14/1 = 1.395 1.395(24^3) 1.395 x 13,824 V = 19,284.48

Math
Find service area of a cylinder Formula = 2(pi x r^2) + 2(pi)(r)(H) Diameter = 1ft. Height = 4ft. 2(3.14 x 6^2) + 2(3.14)(6)(4) 2(113.04) + 6.28 x 24 226.08 + 150.72 SA = 376.8 ft.

maths
if an object is 1.9 metres wide, how many metres will it look from 34 metres away plewse. thanks. obviously alot smaller bit need the answer or at least the calculation so i can work it out. all help appreciated. sue

maths
hi there. i mean how big will the 1.9 metre wide object look from 34 metres away. answer in metres please. or can you give me the mathematical calculation to use to work it out. many thanks for your help.,sue

maths
i stand 34 metres away from an object 1.9 metres wide. how big will it look. thanks

Earth Science (check answers)
Describe the importance of maintaining the ocean ecosystem. It is important to maintain because the ocean ecosystems because it provides reefs that support a complex ecosystem of ocean organisms that live and help each other to survive. Virtually every phyla on Earth is ...

Science
Describe the importance of maintaining the ocean ecosystem.

Science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize depend on sunlight. ...

Science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize depend on sunlight. ...

Science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize depend on sunlight. ...

Earth science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs

Math
If a parallelogram has a base of 13 mm and an area of 78 mm2 what is the height? 78/13 = 6 H = 6mm

Math
4 km

Math
Two bases of a trapezoid equal 16 km and its area equals 32 km^2. What is its height? 16/2 = 8 32/8 = 4 (8 + 8) x 4 16 x 4 = 64 64/2 = 32 Height = 4 km^2

Business math
how long will it take 2,000 to grow to 3,000 if the interest rate used is 6% compounded semi-annually? answer to the nearest half-year. thank you!

Geometry
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

Geometry
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

Math
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

Math
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?

Math
Two walls of a rectangle measures 9ft high and 15ft. Long. The other two walls are 8ft. high and 10ft. long. A gallon of paint will cover 440 sq. ft. of wall space. Is there enough paint to cover the walls?

Math
Jackie has a prepaid Green Phone that charges 18 cents per text message sent or received. Jackie prepays $40 on her phone. After sending and receiving several text messages, Jackie checks the remaining balance. How many texts did Jackie send and receive if her remaining ...

Geometry
Dana is planning to ride her bicycle around the circular race track and wants to know the distance. If the diameter of the track is 2 mile, how far is the distance around the race track? 3.14(2) = 6.28 miles

math
Please I just cant figure out how to get the discount, thank you I have a loan made april 5th, face value 8500 length 90 days, simple interest 8%, discount May 3. what is the discount?I have the answer just cant figure out how to get it

Business math
do you just need to see how to do it

Business math
I have a loan made april 5th, face value 8500 length 90 days, simple interest 8%, discount May 3. what is the discount?

Science
Describe ozone creation and loss in the ozone layer. Does one occur more than the other?

Science
About what percent of all of Earth's fresh water is found in ground water, streams, lakes, and rivers?

Science
Why are there so many different species on earth today?

Earth science
Why didn't the early geologic time scale include the number of years ago that events happened?

Earth Science
why didn't the early geologic time scale include the number of years ago that events happened?

science
why didn't the early geologic time scale include the number of years ago that events happened?

Science
Why are sedimentary rocks more useful than metamorphic or igneous rocks in establishing the relative ages of rock?

Math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: Yes, because the diagonals of a ...

Geometry
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the diagonals of...

Geometry
A trapezoid may have three congruent sides. True or False I think true

Geometry
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. 4. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. 5. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the ...

Earth science
A scientist wants to determine the age of a rock. The rock contains an index fossil and an ancient relative of a living organism. Which is more useful for dating the rock, and why? Answer: an ancient relative of a living organism would be more useful for dating the rock ...

Physic
A river 1.00 mile wide flows with a constant speed of 1.00 mi/h. A woman leaves from a point on the river bank. The woman rows a boat 1.00 mi directly upstream and returns to the starting point. Her speed in still water is 2.00 mi/h. The travel time for the woman is A) 2.00 h...

math
Find the equation of a line that is perpendicular to the line y = 1/4x + 5 and contains the point (-6, 0) Susan

math
there are 14 boys in a bus that holds 60 students. if the bus is full, what is the ratio girls to boys?

math
talisha owns 4/5 of a section of land. she plants green beans on 3/4 of her land. what fraction of the entire section is planted with talishas green beans?

science
A student mixed 1.5g of CaO with 2.5M HNO3. How many moles of CaO were reacted

math
If someone spent 1/3 of their money at the first store and then 1/2 of their money at a second store. How much money did they start with if they have $9.00 left?

algebra 1
A rectangular field is enclosed by 360 feet of fencing. What is the length, in feet, of the field if its length is 6 feet more than its width?

physic
an empty rubber balloon has 0.0120 kg it filled of helium. the density of helium is 0.179 kg/m^3 of and the radius of the balloon is 0.500 what is the buoyant force over the balloon

English
continue this story

English
Tommy and his dog were looking for the burid treasure.They saw brown box and then they heard a voice behind them... continue writing and make up the story

Algebra
Jonah has only nickels and dimes in her piggy bank they're 51 points in the total value is $4.05 How many nickels and how many times does she have

English
degenerate sanctuary implausible scrutiny incoherent sinister intercede suffice intricate vulnerable 1) kens cartoon ______ for the school newspaper, but they wouldnt be good enough for the city paper. 2)in the batman movies the jokers name is misleading, for hes a(n) _____ ...

Science
Can a molecule be an element? Molecules of most elements are made up of only one atom of that element. So, if a molecule is what you get when any atoms join together then no, a molecule can not be an element

Comm Tech
all were right except that 3 was positive correlation not negative

Science
On a topographic map, five contour lines are very close together. The contour interval is 100ft. How high is this feature? Answer: 400ft

algebra or algebra1
A line with slope 3 passes through the point (0; 10). What is the y-coordinate of the point on the line with x-coordinate 2?

SCIENCE
what is the difference between a continental plate and an ocean plate?

algebra or algebra1
What is the area of the triangle whose vertices are (−4, 0), (−10, 0) and (−7, −6)

math
There is a proportional relationship between your distance from a thunderstorm and the time from when you see the lightning and hear the thunder. If there are 9 seconds between the lightning and thunder, the storm is about 3 kilometers away. If you double the amount of time ...

algebra or algebra1
An eastbound car is going 4 miles per hour faster than a westbound car. The cars are 208 miles apart 2 hours after passing each other on a highway. What is the speed, in miles per hour, of the eastbound car

Please help with MATH
Why do complementary and supplementary angles not have to be adjacent? As long as the two angles equal 90 degree then they will be complementary. As far as supplementary, as long as the two angle sum equals 180 degrees then they will be supplemental.

Geometry
Why do complementary and supplementary angles not have to be adjacent? As long as the two angles equal 90 degree then they will be complementary. As far as supplementary, as long as the two angle sum equals 180 degrees then they will be supplemental.

CHECK ANSWERS for geometry
1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...

Geometry
1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...

Geometry
1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...

Need help with projection map
Which map projection is most useful for navigation, especially near the equator. Explain The map projection that is most useful for navigation would be the Mercator Projection because near the equator the shapes and sizes of features are correct.

SS
I can't think of any

SS
Mountains

SS
What landforms are highest on the continents? Plateaus

SS
What type of instrument can you use to tell the direction an object is moving? A compass

Social Studies
Why do nautical charts have two compass roses on them?

Science
Three major branches of earth science: Meteorology Geology Oceanography

Science
a gummy bear experiment a solution of hot water and acid is used to see which solute would make the gummy bear dissolve faster. What is the dependent variable? Gummy bear Independent variable: hot water, and acid

Dependent/independent
In a gummy bear experiment a solution of hot water and acid is used to see which solute would make the gummy bear dissolve faster. What is the dependent variable? Gummy bear Independent variable: hot water, and acid

Science
What are the advantages and disadvantages of Mathematical model - disadvantage: it often cannot account for all possible factors Advantage to a mathematical model is it can be applied to categories of any size and can predict complex events Physical Model - Disadvantage: they ...

calculus
10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity of the shell. b. ...

math
change fraction 3/4 to a percent

algebra
180 miles

Algebra
Use factoring to solve 5^4-8x^2=0 Not sure where to begin I got x^2(5x^2)-8=0

Math
1÷5 (45y+20)+3÷4 (12y=24)=19 Find solution set (9y=14)+(9y=18)=19 18y = 33÷8

maths
A can is 12cm high and diameter 8cm. Using the formula v =TT how much liquid is in the can

Integers
At 5:00 AM the temperature was 18 degrees Celsius. At 3:00 PM the temperature was 1 degree Celsius higher. What was the temperature at 3:00 PM?

algebra
a motorist left a city for a 295 mile. 7 hour trip. for the first part of the trip, the average speed was 40mph. for the remainder of the trip, the average speed was 55mph. How long did the motorist drive 55mph

Economics/Marketing
How are target audiences and communications strategies developed for conservation projects?

Math
Insert parentheses to make this equation correct: 7 - 6 x 7 / 5 + 7 = - 43.4 / is used for division sign

Math
He was able to do 8 out of 10, which would be 8/10, which could be further reduced to 4/5

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