Posts by hannah

Total # Posts: 3,456

Math
Your test average is 86 after taking three tests. You remember that two of your scores were 88 and 83. What was your score on the third test? show your work.

algebra
The vertex is (5/4,35)

algebra
A ball is thrown into the air with an upward velocity of 40 feet per second. Its height, h, in feet after t seconds is given by the function h(t)=-16t^2+40t+10. a. What is the ball’s maximum height? 35Ft b. When the ball hits the ground, how many seconds have passed? Show...

Algebra
What is the vertex of this equation? y=x^2-6x+4. Please show the steps on how you got the answer so i can understand it better.

math
TO EARN MORE MONEY HIS PARENTS LET HIM WEED THE GARDEN FOR $6.55 WHAT IS KYLE WEEKLY ALLOWANC IF HE ENDED WITH $11.01 SHOW ALL YOUR WORK A $8.90 B $8.91 C $8.92 D $8.93 E $8.94 F $8.95 G $8.96 H $8.97 I $8.98 J $8.99

math
kyle spent half of his weekly allowance playing arcade games, to earn more money his parents let him weed the garden for $6.55 what is kyle weekly allowance if he ended with $11..01 show all of your work

math
transform the formula to find the volume of a rectangular prism to solve for width (w) solve for w:V=lwh

math
3%compound interest

math
deposit it $2,000 in an account that pays 3% how much is your balance at the end of 8 years

Math
identify the type of variation represented in the table and name the y-value when x=32. x: 2,4,8,16, 32 y: 4, 2, 1, 0.5, ?

math
nikki makes 6.50 an hour she plans to buy a cd burner that costs 275.20 write and solve an inequality describing how long nikki will have to work to be able to buy the burner answer to the nearest hour a h>268.70 b h>42.3 c h<43 d h> 43

math
thanks

math
is it 3 ft

math
find 8 1/2in +2ft round your answer appropriately

math
15pt= square qt a 30 b 71/2 c45 d 22 1/2

math
estimate 171/5-5/6

math
15pt=--qt

math
estimate 6 4/5*1 5/8

math
erin owns about 4 times as many shoes as ewan. erin owns 28 pairs of shoes write an equation and use it to estimate the number n of pairs of shoes ewan owns

math
which word phrase can be written as p/5 1 the total amount of bill if 5 people order the same item. 2 the price of the meal plus a 5 tips 3 the amount of the bill paid by each of the five dinner 4 the price of the meal after a five dollar discount

math
the cost in dollars of a concert is 7+15n where n is the number of people attending what is the cost for a family of 5 people?

math
plz help d+g//h for d=15, g=27, and h=7 a 1.2 b 7 c 1.7 d 6

math
write an inequality to model the situation the number n of people who ate hot lunch as school was at most 107

Biology
How is marfan syndrome accquired

Algebra
How does the constant of variation for an inverse variation relate to the x and y in the inverse variation function?

Algebra HELP
Why does it make sense for the Inverse Variation to be taught in the Rational Expressions Unit?

Math
Why can't 3x+2xy+8 be a linear system? Why Can't x^2+y^2=4 be a linear system?

Math
How is solving a rational equation different from solving linear equations like 3x+5=7x-2?

Math
How is solving a rational equation the same as solving any other equation?

Math
Which ordered pair is for the solution. y=3x-5 y=1/2x (6,3),(1,-2),(2,1),(-2,1)

Math
Which ordered pair is for the solution. y=3x-5 y=1/2x (6,3),(1,-2),(2,1),(-2,1)

Math
Patty went to her cousins for the weekend. She drove 260 km in 2 h 45 min, some of it on a 100 km/h highway and the rest on 80 km/h roads. This has to be written as a linear equation

Spelling
First goes Whirlwind, Breeze and then downpour and then what goes next?

Keyboarding and Applications
You are researching the Holocaust for a school paper and have located several Web sites for information. In three to five sentences, describe the method you would use to determine whether each Web site is a suitable source of information for your paper.

algebra
How is dividing by a monomial similar to factoring out the GCF?

math
Why is dividing by a monomial simpler than dividing by a binomial?

Math please help
The length of AB¯ is 5 units. What is the length of the image of the line segment after a dilation with a scale factor of 5/2?

algebra- can anyone help?
What is an “opposite” factor and how is it different than simply canceling?

Algebra HELP
Is there any difference between multiplying fractions and multiplying rational functions? What is it?

Algebra
How is a complex fraction related to dividing fractions?

College Chemistry
Please help I have no idea how to do this. There are three different dichloroethylenes (molecular formulaC2H2Cl2), which we can designate X, Y, and Z. Compound X has no dipole moment, but compound Z does. Compounds X and Z each combine with hydrogen to give the same product: ...

Chemistry
Please help I have no idea how to do this. There are three different dichloroethylenes (molecular formulaC2H2Cl2), which we can designate X, Y, and Z. Compound X has no dipole moment, but compound Z does. Compounds X and Z each combine with hydrogen to give the same product: ...

Algebra HELP
How is a fraction related to a rational expression?

Algebra HELP
I'm pretty sure. Here are the answer choices: A) Mean=11.86 Median= 12 Mode= 8 Range=14 B) Mean= 12 Median= 11.86 Mode= 14 Range= 8 C) Mean= 12 Median= 11.86 Mode=8 Range= 14 D) Mean 11.86 Median= 12 Mode=14 Range= 8

Algebra HELP
Find the mean,median, mode, and range. 10,8,12,6,5,4,10. This is what I got: Mode:10 Median:8 Mean: 7.9 Range: 8 However, none of these are the answer choices. Am I doing something wrong??

Physics
A force of -7500 N is used to stop a 2000kg car traveling 25m/s. What breaking distance is needed to bring the car to a halt?

algebra- can anyone help?
NO ANSWER CHOICES! HELP! Why should you have a box and whiskers plot on the same number line as another if you’re going to compare the graphs?

Algebra Help!!
Why should you have a box and whiskers plot on the same number line as another if you’re going to compare the graphs?

Algebra HELP
Thank you anyways!:)

Algebra HELP
Why should you have a box and whiskers plot on the same number line as another if you’re going to compare the graphs?

Algebra HELP
Ms.Sue can you help me with one more?

Algebra HELP
What does the interquartile range tell you?

Algebra HELP
Can you help me with another question?

Algebra HELP
How are the median and upper and lower quartiles the same? How are they different?

Algebra HELP
How are the median and upper and lower quartiles the same? How are they different?

Alegebra
The product of 2 amd is at least 10

Algebra
How can knowing the mean of a set of data help you find a missing data piece?

Chemistry
An impure sample containing an unknown amount of gallium bromide, GaBr3, weighs 0.379 g. It was dissolved in water and treated with silver nitrate, AgNO3, resulting in the precipitation of 0.263 g AgBr. Assuming that GaBr3 is the only source of gallium in the sample, use this ...

science URGENT!!
Like for the first one it would say west to east and then southern to northern

science URGENT!!
I have the diagram and it's very confusing....

science URGENT!!
I did and all i get is two different answers....

science URGENT!!
The diagram that was given was really confusing. I need help with the following questions: 1)Polar Easterlies in the Northern Hemisphere blow from? a.)west to east b.)east to west c.)north to south d.)south to north 2) Westerlies in the Northern Hemisphere blow from? a.)west ...

SCIENCE HELP
How long is a fish DNA?

Algebra HELP
What are the real and imaginary parts of the complex number: -6-i?

English HELP
In the pardoner's tale, what is ironic about the rioters discovery of gold in the place where they were looking for death? A) They do not realize that the gold actually belongs to Death B) It makes them realize that Death is not an actual person C) They realize that they ...

Algebra help!!
Give the equation of a square root function that is translated 4 units UP. Circle the part of the equation that makes the translation.

Math
46<-6a+4

math
no thanks

math
i need the answer

math
put these decimals in order from least to greatest 7.0, 0.07, 0.7, 0.077

math
choose all the expressions with a sum greater than 10. 5.3 + 4.99? 6.12 + 3.09 2.08 + 7.9 4.8 + 5.9 3.46 + 6.009

math
choose all the expressions with a different less than 5. 8.3 - 4.07 9.33 - 3.99 7.1 - 2.603 12.3 - 7.08 7.005 - 2.005

math
today, the city of madison has a population of 6.34 million residents. in 1914, the population was just 1.0 million residents. how much has the population increased since 1914

math
find the difference. 2.004 - 1.34 = ? find the sum. 7+9.26+10.1 =?

History plz help
Why did settlers find land grants so appealing??

History
which conclusion is best supported by the fact that the United States did not enter World War II until 1942 a. US leaders did not believe that the events of the war justified involvement until 1942 b. Germany had not been involved in the World War II until 1942 c. no other ...

socail studies
thx

socail studies
I just need a little help no quiz I would never cheat.

socail studies
What does porcelain mean and how did it affect Europe???(I cant have the same answer as silk cloh)

Macroeconomics
If you move from one increment as a starting point to the next (decrease in units of your good in your demand schedule or graph what is that move called?

Geometry
A triangle has side lengths of 4, 5, and 6. Which of the following correctly classifies this triangle. Acute, Right, Obtuse, Isosceles.

Math
|3-7x|=-6 6w-1/5 -3w=12w-16/15 (X-3)^2-3=-5 (X+3)^2+4(x+3)-5=0

government
newspapers are still the media source that provides the most americans with political information True or false ? I think it is false???

Clinical Calculations
Suppose that the adult dosage for a given medication is 150 milligrams? (mg) per day for every 9 kilograms? (kg) of body weight. ?a) At this rate find the daily dose for a man who weighs 117 kg. ?b) If the man is to receive 500 mg of this medication every 8? hours, is he ...

Math
The ratio of the blue markers to red markers is 3:7. If there are 40 total markers in the bucket,how many of the markers will be blue

College Question?
What are the best colleges offering a Bachelor's degree in Political Correctness?

Math
Arthur and Tariq are planning to build a kit car. They are also having a new garage built for the car. They have a scale drawing of their car and a scale drawing of the garage. Will the car fit the garage if the cars scale is 1cm:50cm and the garages 1cm:80cm ?

Math checm my answer
Katrina lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Katrina’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...

calculus review please help!
I have solved the first one! I'm still confused about the second and third :(

calculus review please help!
Write the integral in one variable to find the volume of the solid obtained by rotating the first?quadrant region bounded by y = 0.5x2 and y = x about the line x = 5. Use the mid-point rule with n = 4 to approximate the area of the region bounded by y = -x^3 and y = -x. A ...

Algebra
3(x-y) X(y-3)

MATH
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MATH
Calculate the area of the composite figure, which is not drawn to scale. {the link above is a picture of the shape}

Physics
a ball is thrown upwards from a tower standing 300 feet tall. the initial velocity of the ball is 32 feet/second. the negative acceleration of the ball due to gravity is -16 in terms of feet per second squared. What is the velocity of the ball after 1 second?

calculus help please!
oops I meant (t+4)/(t+2)

calculus help please!
I can ask my teacher! how would we do it if it was actually just (t-4)/(t+2)?

calculus help please!
I have no idea how to do this problem the only thing I know is that it will equal the definite integral from [0,5] of F(t)-E(t)dt

calculus help please!
Water is poured into a bucket according to the rate F(t)=(t+7)/(t+2) , and at the same time empties out through a hole in the bottom at the rate E(t)=(ln(t+4))/t+2 , with both F(t) and E(t) measured in pints per minute. How much water, to the nearest pint, is in the bucket at ...

World History
Are there similarities between islam holy book, judaism holy book, and christianity holy book

calculus please help!!
i know this question has something to do with semicircles and radians. I got the starred answer as my own but I'm not sure if it's correct or how I got there. Help thanks!!

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