Friday

July 25, 2014

July 25, 2014

Total # Posts: 70,547

**math**

mbln

**math**

Todd's birthday has the same date as the number of letters in the mouth ( for example May 3). If his birthday is written in this form - mouth/day/14- and the sum of the mouth and the date is greater than the year (14), what is the probability that his birthday is before ha...

**help**

An advertising blimp hovers over a stadium at an altitude of 125 m. The pilot sights a tennis court at an 8o angle of depression. To the nearest meter, find the ground distance in a straight line between the stadium and the tennis court.

**Science**

Yes

**Science**

How do fossil fuels contribute to air pollution? by reversing the greenhouse effect

**Science**

So the first one??

**Science**

how can using biomass fuel instead of gasoline in car engines help conserve natural resources? It burns more fossil fuels It reduces the use of coal<--- It uses a renewable resource

**College Algebra **

Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 15 hours, and on the trip back averaged 50 mi/h. She returned home 41 hours after leaving. How many miles is City A from City B Distance = Speed * Time D= 35 ...

**MATH PLZ HELP**

There are 4 pink erasers and 14 in total so is the answer 4/10 or 2/5?

**MATH PLZ HELP**

i do not know how to do this question. can someone help me with this question? 7. A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)?

**Science (Please check!)**

You are Correct:)

**Math**

can someone help me find 1 - 2/7 in fraction not decimal?

**Science**

Is #2 B?

**Science**

4b and 5a

**Science**

1. Which of the following is the most effective way to preserve biodiversity? A) Captive breeding B) Habitat destruction C) Habitat preservation<---- D) Habitat fragmentation 2. A county commissioner wants to reduce the amount of waste sent to the local landfill. Which of t...

**Trig**

Charo is 50 feet from the tallest totem pole, located in Alberta Bay, Canada, which has a height of 173 feet. If Charo’s eyes are 5 feet from the ground, find the angle to the nearest degree of elevation for her line of sight to the top of the totem.

**history japanese americans**

or would not paying them reparation reinforce slavery

**history japanese americans**

are there any suggestions for this question Why would America pay reparations to victims and family members of Japanese Americans who were placed in internment camps, Jewish survivors and family members of Nazi death camps and even those who we went to war with (see military r...

**Art**

Variety- Things that are different. Describe two separate instances in the painting of "The Family of Carlos IV" where things are different.

**Language Arts CHECK ANSWERS**

3. Everyone admired the grandeur of A. the rose garden. B. the mountains. ** C. the car. 10. Which sentence corrects the following sentence? Isnt that she by the side of the pool? A. Is that her by the side of the pool? B. Is that hers by the side of the pool? C. The sentence ...

**Science**

3rd

**Science**

Kudzu, a nonnative species, was brought to Georgia for decorative purposes. It is a vine that grows quickly and covers anything in its path. It can also grow on trees and block the sunlight. How is kudzu an environmental issue for Georgia? (1 point) Kudzu can easily be removed...

**math**

. 3 gal = ____ qt. 22. 5 cups = ____ tsp 23. 15 lb = ____ kg 24. 150 ml = ____ Tbsp 25. 3 qt = ____ oz = _____ tsp

**algebra**

2x-x^3>=0 solve for x

**College Algebra **

x/(2x-4)-7=1/(x-2).. How I clear this denominator if I must clear it at all.. Im not sure how to approach these problems.I have several others similar to this 1/2y+ 4= 1/7y I changed the denominators to 14y, then got 7/14y+ 4= 2/7y but my online homework says that is incorrect...

**College Algebra **

7/(x+1) - 3/2 =6/(3x+3) Im not sure how to begin, I thought abou clearing the denominators by multiply everything by (x+1)(2)(3x+3) but that didnt work out.

**penn foster**

When three lilies are arranged in a pattern in which the largest lily is lowest and the next one up is smaller and the next one is even smaller than the second, the designer is using the technique called

**College Algebra **

2/9+-5/6= -8 -(-3/7 k) The answer I got found was 82k=-903 I then divided that by 82 and found k=-11.0121. Which was incorrect, please help me.

**physics**

The power output of a star is 7.22 x 1028 watts. Every 47.0 seconds, the star converts _________ kg of its mass into energy.

**geometry**

Rewrite the following in If-then form: the product of x and y is an odd multiple of 5

**College Algebra **

Let Z be equal to (2-5i) The question is z^2 +iz -(5+i) The answer I got for this was -22 + 18i but it isn't correct on my homework page please help/

**College Algebra **

Write the following in a+bi form (-5-i)/(3-3i) -5/3 and 1/3i (-5/2i)/(-1/5i) 23 and 0i (-2i)^3 -2 and 0 Im having trouble with these probems and here is my answers. PLEASE HELP

**College Algebra **

Write the following a+bi form i(3.14-3i) Please help. I believe that the answer is 3.14i-3i, which would be (3.13*-1)-3*-1. however this was incorrect please tell me where I went wrong

**Science**

1. Which of the following is evidence that groundwater cause erosion and deposition ? a) the formation of meanders b) the formation of large boulders in the desert c) the formation of alluvial fans d) the formation of stalagmites and stalactites in caverns <----

**Math**

Here are 5 questions I cannot figure out 1. Is every parallelogram a square? 2.Is every rhombus a square? 3. Is every square a rhombus? 4. Is every rectangle a parallelogram? 5. Is every rectangle a rhombus? Thank you so much for answering

**MATH**

Ido not know how to do this. A jar contains 5 green erasers, 2 striped erasers, 4 pink erasers, and 3 white erasers. You select an eraser at random. What is P(not pink)? (1 point)

**Science**

Which of the following statements describes the difference between physical and chemical weathering? Chemical weathering changes the composition of a rock, while physical weathering does not.

**Science**

How is an area’s topography determined? B. By using an areas elevation relief and landforms How do Global Positioning Systems use elevation points on Earth’s system to find latitude and longitude? A. By using signals form a network of satellites How are lakes and pon...

**Science**

Which part of the ocean floor is part of the continuous underwater mountain range that circles Earth? B. Mid-ocean ridge Which of the following statements describes the difference between physical and chemical weathering? B. Physical weathering is caused by ice, while chemical...

**Science**

How is an area’s topography determined? B. By using an areas elevation relief and landforms How do Global Positioning Systems use elevation points on Earth’s system to find latitude and longitude? A. By using signals form a network of satellites How are lakes and pon...

**math**

After flying at an altitude of 9 kilometers, an airplane starts to descend when its ground distance from the landing field is 175 kilometers. To the nearest degree what is the angle of depression for this portion of the flight?

**Math**

No, its just one. On my paper it says: 16. A jar contains 120 beads a. What is the angle measure for orange. I got 144. b. How many red beans are there? On the graph it shows the angle measure is 66

**Math**

A jar contains 120 beads. b. How many red beans are there? The angle degree is 66, how would I find this out? I don't know how to.

**economics**

are there any welfare or subsidy payments that should be reviewed or added

**math**

Suppose f(x) = x^3 on the interval [1, 4]. Use the Mean Value Theorem to find all values c in the open interval (1, 4) such that f'(c)= (f(4)-f(1))/4-1 c= square root of 7 c= cubed root of 21 c = 7 Mean Value Theorem does not apply

**calculus**

Identify the open intervals) where the function f of F(x)= x√10-x^2 is increasing.

**American government **

the first news about the monica lewinsky scandal appeared: A on FM radio morning jockey shows. B on prime-time news C on CNN D through posts on the internet

**calculus**

A golf ball is hit off the top of a cliff that is 75 feet tall at an angle of 45° to the horizontal with an initial velocity of 80 feet per second. The quadratic equation shown below models the height, h(x), of the ball when it is x feet from the cliff’s edge. How far...

**Geometry**

Abcd is a parallelogram. If m<bcd = 113 , then m<dab = ?

**chemistry**

) A chemist dissolves 1.000 x 103 g of potassium hydroxide in enough water to make 1.5 L of stock solution. The chemist later wants 2.00 x 102 mL of 0.10 M potassium hydroxide. How much stock solution does the chemist need in order to make this second solution?

**Language Arts (CHECK ANSWERS)**

I believe you are correct :) Anyone else know? lol

**Physics**

A train 900'm long takes 1minute to cover a bridge of 300 m calculate its average speed

**trig length**

To secure a 610-meter radio tower against high winds, guy wires are attached to a ring on the tower. The ring is 7 meters from the top. The wires form a 69o angle with the ground. To the nearest hundredth meter find the length of the guy wire

**English**

There arent any

**English **

I need help finding quotes about haunting past in the book The Stone Carvers. Please.

**English**

What food represents bravery? (Someone who is brave)

**English**

How does Flaubert criticize the institution of family and marriage in Madame Bovary? I need to write an essay and was also wondering if these were good points to talk about. 1. Emma's childhood and the education of girls sets them up for disappointment in marriage because ...

**physics**

Find the required angular speed, ω, of an ultracentrifuge for the radial acceleration of a point 2.00cm from the axis to equal 6.00×105 g (where g is the acceleration due to gravity).

**Science**

1.How are continental glaciers different from valley glaciers? C. Continental glaciers flow in all directions as they move, while valley glaciers mice down slopes already cut by rivers 2. How does the process of plucking cause erosion D. Rocks are mixed with sediment and dropp...

**physics**

What is the maximum walking speed of an adult man whose legs are each 0.90 m long?

**general chemistry**

how to calculate molarity?

**algebra**

given the function rule f(x)=x^2-4x+3, what is the output of f(-3)

**Math**

These two box and whisker plots show the results of a science test. Plot 1: Minimum:65, Maximum:95, Median:82, 1st Quartile:67, 3rd Quartile:88 Plot 2: Minimum:57, Maximum:100, Median:92, 1st Quartile:78, 3rd Quartile:93 What does this information tell you about the results? A...

**Math**

There are 30 seniors, 15 juniors, 12 freshman, and 10 sophomores in the club. When one student is picked randomly, what is the probability that a sophomore is not chosen? 57/67?

**Math**

The probability of rolling a number less than 4 on a number cube is ____ 1/2?

**world history**

Does anyone know any songs that relate to the period of time from 600 CE to 1450 CE?

**Chemistry**

Dr bob for this question :Calculate the molar solubility of manganese II hydroxide in ph 12.85 solution. The Ksp is 2.1 x 10^-13 but I can't solve for x thanks.

**Chemistry**

The Ksp is 2.1 times 10 ^-13 But I don't know how to solve for x the answer is 4.2 times 10^-11

**Chemistry**

Calculate the molar solubility of manganese II hydroxide in ph 12.85 solution.

**Algebra**

I mean a group at my gym.

**Algebra**

So if I interviewed a group of people under 10 and interviewed all people in the group, would that meet the requirements?

**Algebra**

In this activity, you will design and conduct a survey. Select a topic for your survey. d. Are the people you surveyed representative of the group you want to study? What does D mean?

**Science 207**

3. How would the “weather” be affected if the water was at a decreased temperature? What about at an increased temperature?

**trigonometry **

A sled travels from point A at the top of a hill to Point B at the bottom. If the distance from point A to point B is 120 m and the vertical change is 50 m, find the angle of depression to the nearest degree.

**Ed Tech**

Thanks!

**Ed Tech**

Is there anything more?

**Ed Tech**

How does technology impact 21st century skills?

**algebra**

total cost=2.30+1.2m 1.30m=2.30+1.2m .10m=2.3 m=23 miles check that

**Ed Tech**

What were the tube computers of 1946-1958 used for?

**need help1 what function to use? math**

I think it is tan3=30000/l ,l =30000/tan3 theni thnk u can cntinue

**physics**

An athlete stretches a spring an extra 15.9 cm beyond its initial length. How much energy has he transferred to the spring

**statistics**

Fill in the blank in the sample below if the variables are independent in the sample like product do not like product old 10 7 young 40

**7th math**

If the actual figure is a rectangle that is 120 meters by 400 meters, what are the dimensions of a scale drawing in centimeters?

**Technology**

What are some examples of video effects, such as sepia?

**Precalculus**

Transform the quadratic equation to a standard form. 4x^2-y^2-24x-10y+11=0 My answer: 4(x-3)^2 - (y+5)^2 = 0 Therefore, this is a degenerate conic section, right?

**Precalculus **

I know I posted this already but.. I don't understand what exactly is the answer, since the answer key shows the intersection of the circle and hyperbole at (-5,0) What about (7.5,0)???? By the way the graph has one intersection point... How do you know the correct answer?...

**business communication**

I wanted to welcome you asap to our little family here in the states. Its high time we shook hands in person and not just across the sea. Im pleased as punch about getting to know you all,and I for one will do my Level best to sell you on america rewrite in hong kong english

**Technology**

What are video effects?

**Algebra 1 **

Simplify the following rational expression: 25 - x^2/x^2 -3x - 10

**Math**

Marvin was supposed to make three payments of $2000 each—the first one year ago, the second one year from now, and the third three years from now. He missed the first payment and proposes to pay $3000 today and a second amount in two years. If money can earn 4.5% compound...

**Algebra 1**

Answer: 3w+7

**Algebra 1 **

Simplify the following rational expression: 6w^2 + 11w - 7/6w - 3

**Precalculus **

Calculate solution set. x^2+4y^2=68 xy=8

**Precalculus...repost.. The tutor didn't quite answ**

Calculate the solution set. x^2+y^2+8x=-15 9x^2+25y^2=225 My work: I did elimination...multiplied -25 to the top equation and got..... -16x^2-200x-600...I then used quadratic formula ... And got -7.5 and -5..... Is -7.5 an EXTRANEOUS SOLUTION because when I plugged -7.5 in for...

**Math helpppp**

Answer

**Math **

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the outcome of a single trial ...

**math**

if there are 45 pieces of fruit and there are twice as many bananas as there are apples. How many of each kind of fruit are there?

**Precalculus**

Calculate the solution set. x^2+y^2+8x=-15 9x^2+25y^2=225 My work: I did elimination...multiplied -25 to the top equation and got..... -16x^2-200x-600...I then used quadratic formula ... And got -7.5 and -5..... Is -7.5 an EXTRANEOUS SOLUTION because when I plugged -7.5 in for...

**Grade 10 English**

i need 3 points of tragedy between the book the Stone carvers and the great gatsby.... i need to write a compasrion essay of tragedy between the two books. please and thank you

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