Posts by frances

Total # Posts: 226

trigonometry
8sin^2(x)+6sin(x)-9=0 simplify

trigonometry
a lighthouse A bears N 36 degree 20 minutes E at a ship S. after sailing 2.75 km in the direction N 78 degree 50 minutes E to point T, the bearing of the lighthouse becomes N 8 degree 30 minutes E. find the distance from A to T.

trigonometry
two angle of a triangle are 38 degree 27 minutes and 48 degree 42 minutes, respectively. if the longest side of the triangle is 256.6 cm ong find the length of the shortest side.

trigonometry
A tree broken over by the wind forms a right triangle with the ground if the broken parts makes an angle 50 degree with the ground and the top of the tree is now 20 feet from its base how tall the tree?

Art
A

East math
0.3 and 0.5 in a fractions in a simplest form

Math
The Pont du Gard near Nîmes, France, is a Roman aqueduct. An observer in a hot-air balloon some distance away from the aqueduct determines that the angle of depression to each end is 54° and 71°, respectively. The horizontal distance between the balloon and the ...

chemistry
how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2----> CO2+H2O

finance
what is the interest charge with 10.90% APR (annual percentage rate) on a balance of \$7100.00

Math
2A/B DIVIDED BY 4A/B F. 8A2/b2 G. 1/2 H. A/2B J. 2

Math
Can u freaking help me the ****

Math
Identify all sets to which the number 3 belongs A. Whole numbers, integers, rational numbers B. Rational numbers C. Integers, rational numbers D. Even numbers, whole numbers, integers, rational numbers I THINK IT'S A

algebra1
M5P3*(2M-6Q-5)-1 qm0

Small quantites of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as barium peroxide. BaO2 (s) + 2HCl (aq) -> H2O2 (aq) + BaCl2 (aq) What mass of hydrogen peroxide should result when 15.0g of barium peroxide is treated ...

Chemistry
Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) -> C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic compounds into nitrate ...

Chemistry
Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) -> C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic compounds into nitrate ...

Chemistry
sorry, there were some typos in this one..

Chemistry
Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) right arrow Bacteria C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic ...

science
a solution that is composed of 5g of salt for every 95g of water produces by what percent concentration of mass?

science
a solution made from 35 mL of ethanol and 65 mL of water produces by what percent concentration of volume

Algebra
Five times a number decreased by twice the same number.

statistics
The mean length of a work week for the population of workers was reported to be 39.2 hours. Suppose that we would like to take a current sample of workers to see whether the mean length of a work week has changed from the previously reported 39.2 hours. a. State the hypotheses...

math
I don't know what to do..please help.The doctor estimates that more than 220 out of the 500 patients in his database take vitamin each year. A random sample of 60 patients shows that 27 o them take vitamin each day. how to use a proportion to predict the total number of ...

Irish history

MATH (ASAP)
D.2.40*10=\$24.00 \$25.00 SO THE ANSWER 24.00

MATH (ASAP)
C.20*3=60 25*3=75 60+75=135 D.I DON'T GET THIS ONE.CAN I HAVE HELP ON THIS ONE

MATH (ASAP)
Jay and Tia are planning to buy snack chips. • Individual bags of chips cost \$3.00 each. • Each case of chips contains 10 bags and costs \$25.00. a. If Jay buys 1 case of chips, what is the cost per bag? Show or explain how you got your answer. b. How much money would...

Math (ASAP)
thanks sooo much

Math (ASAP)
Carolyn and Kim are selling lemonade this summer.  *It costs \$0.10 to make each cup of lemonade.  *They are going to sell each cup of lemonade for \$0.25. What is the least number of cups of lemonade they need to sell in order to collect \$10.00 more than they ...

Math
solutions to the problem what four-digit whole number satisfies the following conditons? The sum of the digits is 6; the number is less than 1200; none of the four digits are equal; and the tens digit is an odd number.

Science (ASAP)
You paint a reddish brown board yellow.Have any properties of the wood changed?Has a chemical reaction occured

Science

Science
You paint a reddish brown board yellow.Have any properties of the wood changed?Has a chemical reaction occured

Science
??????,

Science
The grams

Science

Science
Is the answer 750000 which is d more than

Science
12 ounces

Science
I don't really know Can you do like take 2 things out

Science
Yea

Science

Science
A.much less that 750g B.a little less than 750g C.exactly 750g Or D.more that 750g

Science
A board has a mass of 750 g. If you ground the whole board down to sawdust what would be the mass of the pile of sawdust?

Science
Draw and complete a graphic organizer to identify the types of chemical reactions illustrated by these formulas:A+ BC= B+AC,AB=A+B,A+B=AB

Science
Describe a solution,suspension, and colloid

Math

Math
In 1 week, the hours worked by the 6 cashiers at buy and fly were 20,20,29,48,52, and 56. Would using the mean or the median number of hours encourage a person who wants at least 35 hours per week to apply for a job at buy and fly? Explain?

Math
divisible by 15,27,36,16,28,57,102,268,4518,93

Chemistry
In VSEPR, which of the following is considered a single electron group?

Science
Thanks

Science
Explain changes of state between solids and liquids and between liquids and gases?

Science
Why is water only compound occurring naturally on earth in three states?

Science
Why is water only compound occuring naturally on earth in three states?

Astronomy
What do you need to know in order to calculate the mass of a planet from observations of a satellite in orbit around that planet?

Science
Hello i need help

Science
What are 3 ways that numerical data can recorded and displayed in science

Math
155,168,170,193,198,209,229,270,324,347 1.median 2.maximum 3.minimum 4.mean 5.mode 6.range

Algebra
Select the set of equation that represents the following situation: The sum of two numbers is 52, and their differewnce is two less than the smaller number. What are the two numbers? 2x= 52;52=x+2 x+y=52;y-x=x-2 x+y=52;x-y=2-x 2y=52;52=x-2

i was down stairs when the read the books

6 important event that happen in hatchet?

Social Studies
1.Gravity Pulls us Down on Earth. We would be Floating With Out it!

Social Studies
i don't kno

Social Studies
How are these facts contribute to life on earth? *Gravity holds the sun together. *The sun is about 4.5 billion years old. *The sun is by far the largest object in the solar system.

Social Studies
True or False Written records,artifacts,and fossils are other tools used by historians, archaeologist,and anthropologists to study the past

Social Studies
false

Social Studies
True or False Geography is not used very much anymore?

Social Studies
i did they don't help

Social Studies
how do i make it true

Social Studies
how can i make it true

Social Studies
false

Social Studies
I don't know that's why im asking you

Social Studies
True or False To accurately label exact locations on a map, geographers go to that specific location?

Social Studies
True or False Geographers use maps, globes,and computers to study people and places?

Fast food nation
Which is what we found in the burgers?, and this is what worries the president of the company and start an investigation. Was found throughout this?

Fast food nation
as they enter Mexican immigrants and what kind of job offer?

math
i need an answer to the math problem: 90.9 divided by (1.75 x 1.75)

math
18x - 16 + 6( 2 - 2x) = 50

Social Studies
1 page about why would you like to be in the colonial life

Social Studies
5 paragraphs about the colonist life??

Math
But i don't get B.

Math
25 players

Math
C.22/25=550

Math
88/4=154/7=132/6=66/3=44/2=22

Math
Day Number of Players Amount Collected Monday: 4 \$ 88 Tuesday: 7 \$154 Wednesday: 6 \$132 Thursday: 3 \$ 66 Friday: 2 ???? A.On Friday, the coach will collect fees from 2 more players. What is the total amount of money the coach will collect from the 2 players? Show or explain ...

Math
A coach is collecting a fee from each player on her soccer team. She collects the same amount of money from each player. The amount of money she collected over four days from some of the players is shown in the table below. Soccer Fees Collected Day Number of Players Amount ...

Math
Teresa put tiles marked with the letters of her name into a bag. The back of each tile is blank. The tiles are shown below. T E R E S A Without looking into the bag, Teresa will pick a tile. a. What is the probability that Teresa will pick a tile with the letter T on it? Show ...

Math
Thanks :-)

Math
ohh so C. is 30

Math
now i add 50%+20%=70% & 70-100=?

Math
1/5=1 divided by 5=0.20=20%

Math
Ms. Hendricks asked her students how they get to school each day. She collected their answers and determined the following results. • Half of her students take the bus. • 1 5 of her students walk. • The rest of her students ride with their parents. a. What ...

Science (Asap)
What is the effect of a chemical change on the mass of matter?

Science (Asap)
Compare and contrast: When you combine two or more different substances,you get a mixture.The substance aren't mixed evenly.Their properties don't change.The substance can be separated from the mixture.For example,sand is a mixture that can be separated into rocks and ...

Science (Asap)
Thanks

Science (Asap)
You learned that a tree can be cut down and shaped into a bat.This is a physical change.What are some of the physical changes we find in nature?

Science (Asap)
How are an empty glass bottle and a glass candlestick that were created from crushing and melting glass alike and different?

Math
UR SAID THAT its number 3 if u divide 3/5 it does not give u .5

Math
its number 3 if u divide 3/5 it does not give u .5

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