# Posts by matty

Total # Posts: 56

Math
A circle with a 4-inch radius is centered at A, and a circle with a 9-inch radius is centered at B, where A and B are 13 inches apart. There is a segment that is tangent to the small circle at P and to the large circle at Q. It is a common external tangent of the two circles. ...

Math
A piece of a broken circular gear is brought into a metal shop so that a replacement can be built. A ruler is placed across two points on the rim, and the length of the chord is found to be 14 inches. The distance from the midpoint of this chord to the nearest point on the rim...

Math
a piece of a broken circular gear is brought into a metal shop so that a replacement can be built. a ruler is placed across two points on the rim, and the length of the chordd is found to be 14 inches. the distance from the midpoint of this chord to the nearest point on the ...

Math
Find the perimeter of a regular 360-sided polygon that is inscribed in a circle of radius 5 inches. If someone did not remember the formula for the circumference of a circle, how could that person use a calculator’s trigonometric functions to find the circumference of a ...

biology
In which part of the body are the crypts of Lieberkuhn?

Math
A 7(1/2)% strength solution has been prepared. a) How many grams of medication are in the 7(1/2)% strength solution how do I setup this question?

phyisics
A car travels 28 m [E 35° S] and then turns and travels 45 m [S]. the whole motion takes 6.9s. what is average velocity? answer: 9.5m/s [E 69° S] How do i find the displacement to find V if its not a right triangle

Physics

science
what are some experimental uncertainties for the period of a pendulum lab. in this lab we tested if the length of the string (cm) affects the period (sec) of the pendulum

physics
A movie lasts 2 hours. During that time, what is the angular displacement of each of the following? a.the hour hand b.the minute hand c.the second hand

Thank you both. I understand the fraction part now that I didn't understand.

It takes Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer? I did this : It takes Nadia Language Arts home work longer by 13.34 minutes longer. 4/9 x 60 min = 240/9 = 26.67 min 2/9 x 60 = 120/...

Math
Thank you! And thank you for being here to help us all.

Math
Eliza and Jamie are making cup ckaes for a bake sale at school. Eliza need 2 1/3 cup of flour for her recipe and Jamie needs 1 3/4 cup for her recipe. They have 4 cups of flour. Do they have enough flour for both recipes ? Do I turn them into decimals then add right ?

Math Fractions
I got this wrong? I was suppose to keep it in fractions. And I came up with it took Languarge Arts longer ? Do I just turn the 26.67 and 13.33 into a fraction? then subtract the two minutes? Please help.

Math Fractions
Ok so I had it completely wrong. UGGG So I take the numerator times it to an hour (60 min_ then divided to get the mintutes. Ok got it ! Thank you for explaining to me. I am thankful. :))))))))

Math Fractions
Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer? I just need to know am I right or wrong? I calculated Wednesday to have 3 inches of snow. Which is 2 inches more than Sunday. Thank you.

geometry
A large totem pole is 75 feet tall. At a particular time of day, the totem pole casts 300 feet shadow. Find the measure of angle A to the nearest degree.

Economics
Suppose the production function is Y = 100(K3/10)(EN)7/10 and capital lasts an average of fifteen years. The rate of population growth is 0.5%. The rate of technological progress is 2.5%. The saving rate is 5%. A. Derive the equation for output per effective worker y = Y/EN = ...

Math
3yd_______________________ 4yd|__|___|___|___|___|___| |__|___|___|___|___|___| A community garden is sectioned off into 12 congruent individual plots with rope as shown in the diagram. Find the total length of rope used. Then find the total length of rope needed if the ...

Math
A community garden is sectioned off into 12 congruent individual plots with rope as shown in the diagram. Find the total length of rope used. Then find the total length of rope needed if the garden is sectioned off into six congruent rectangles. width-4yd length-3rd

Chem 151
Would my calculated molarity of HOAc in vinegar be too high, low, or unchanged if a) i forgot to rinse wet buret with vinegar b)delivered vinegar into a wet flask c)used a buret with a broken tip Any help please!!!

grahams law
If a molecule of O3 diffuses a certain distance in 3500 s, how long (s) would it take a molecule of Cl2 to diffuse the same distance at the same temperature and under the same conditions?

Chemistry
A 559.0 mL cylinder containing C5H12 at a pressure of 304.0 torr is connected by a valve to 610.0 mL cylinder containing CO2 at 532.0 torr pressure. Calculate the partial pressure (atm) of CO2 when the valve is opened.

Psych
How could an adolescent (aged 12-17) face Erikson’s crisis of Generativity vs. Stagnation, which is typically experienced in middle adulthood (2 pts)?

spanish
por la noche yo (escuchar) musica o (bailar) en mi cuarto. Mis padres (leer) revistas o (ver) la tele, y mi hermano (montar) en monopatin con sus amigos pls help me in correct form to change wod in parenthesis

formation
an example of back formation is A)persuasive B}Conciliator C}Sensitize D}Escalate

synonym
which word is a synonym of verbiage? A}terse B}wordiness C}curt D}concise

Social Studies (URGENT)
umm u should google or go to ask .c o m i searched it it had the answer but i didn't understand it lol

well i have to choose an answer from the given and put it in online at ashworth but i don't wanna effect my grade cause all the options are wrong what should i do?

The question EXACTLY says According to your dictionary,the currency used in ecuador is the: A.peso b.sucre c}kina d}pula

nd im paying for the books im a homeschooler

it says according to ur dictionary does that make a difference?

sorry me and my sister leslie r askin for help in differint questions ignore the name plz

one of them r definitly currect its in the text book i just copied it on to jiskha for some help.

math
yes it really is it helps me alot in all types of subjects thank you so much:)

math
ok so the answer should be A?

math
One mile is equal to: A} 1.61 kilometers B} 3.52 kilometers C} 0.91 kilometers D} 2.34 kilometers

Math
Would (5x^2)^2 be 25x^4 or 5x^2? Thanks!

Misc
Depends on which city your comparing it to. I live in Missouri and there's not too much difference, although I think it would be more expensive to live in the city. I think it comes down to lifestyle though. Hope this helps, Matty :)

algebra
solve 5r-25=33 first, so move 35 over by adding it so 33+25. meaning now it would be 5r=58.then divide by 5 so r=11.6 Then plug that into the other equation...2r+5s=48 so 2(11.6)+5s=48 23.2+5s=48 subtract 23.2 from both sides. 5s=24.8 divide by 5 on both sides. s=4.96 final ...

If I were writing a persuasive letter I would first start out with the problem now or in the status-quo. Then, I would go into the ways I think would be appropriate to solve it and explain persuasively why. Hope this helps, Matty

math (algebra 2)
ok, I think this is called factoring binomials... how do you factor 2x^2+3x+1 the example on the page just says: 2x^2+7x+6 the answer given is (2x+3)(x+2) How do you get that answer?? If there are any websites with additional help that would be great if anyone knows any. ...

science
Who received the Nobel prize for figuring out the biochemical pathway used by plants to make glucose? First name starts with an M_ _ _ _ _ Last name: C_ _ _ _ _ Any help would be greatly appreciated I can't find anything with google! :( Thanks!!

social studies
Thanks Ms.Sue!

social studies
Ok, I have to write a comparative paper explaining that womyn are more likely to be trapped in the cycle of poverty than men. But, I need a primary source, where can i find one?? Thanks!

. A single die is rolled one time. Find the probability of rolling an odd number or a 6. 3/6 + 1/6 = 4/6 = 2/3 = .667

maths - Probability
Thanks a lot

maths - Probability
Numbers is a game where you bet \$1.00 on any three-digit number from 000 to 999. If your number comes up, you get \$750.00. Find the expected winnings.

Math
In my graph I have one line that decreases. What would be the shape name of a curve that would do so?

Math
What would be the shape name of a curve that gradually decreases?

YEAR 7 FRENCH
To mk-tintin, thanks for answering my question it was a great help.

YEAR 7 FRENCH
WHAT IS THE FRENCH WORD FOR CD PLAYER AND IS IT A DIFFERENT WORD FOR A FEMALE OR A MALE

Chem
how the hell do u do this. just give me thanswER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Science
How does meat tenderizer affect meat? Here is a site that will get you started. Most of the other sites I found were commercials for mechanical or brand name tenderizers. Basically the tenderizer is an enzyme that breaks down the "muscle and tendons" (the tough part ...

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