Friday
July 25, 2014

Posts by luca


Total # Posts: 15

math
Write the number of permutations in factorial form. Then simplify. J K L M N O P 7! 720 8! 40,320 7! 49 7! 5,040 I think it is d.

math
A company assigns a number to each member by choosing 8 digits between 4 and 8 inclusively. How many possible membership numbers are there?

calc
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle. y = x^3 − 10x, y = 6x

calc
sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle. y = 2x + 1, y = 13 − x^2, x = −1, x = 2

Physics
I'll post the link to the figure once Jiskha okays the url.

Physics
A mobile consists of two very lightweight rods of length l = 0.400 m connected to each other and the ceiling by vertical strings. (Neglect the masses of the rods and strings.) Three objects are suspended by strings from the rods. The masses of objects 1 and 3 are m1 = 5.90 kg ...

maths
how do i solve 2 and 5 over 8 dived into 1 and 3 over 4 times 3and 1 over 3

Science
Dear drwls, Thank you soo much for your help! Now I understand how to solve them :) thank you!

Science
Do you know how big the Sun is? The Sun is 400 times as big as the Moon and 400 times as far away. The Moon: 2.5mm diameter a) How big would the Sun be if the Moon were the size shown above? b) The Sun is actually about 865,000 miles in diameter, so 1 cm of the model represent...

science
Do you know how big the Sun is? The Sun is 400 times as big as the Moon and 400 times as far away. The Moon: 2.5mm diameter a) How big would the Sun be if the Moon were the size shown above? b) The Sun is actually about 865,000 miles in diameter, so 1 cm of the model represent...

science
sry i will write whole questions: Do you know how big the Sun is? The Sun is 400 times as big as the Moon and 400 times as far away. The Moon: 2.5mm diameter a) How big would the Sun be if the Moon were the size shown above? b) The Sun is actually about 865,000 miles in diamet...

science
1) The moon is about 250,000 miles away from the Earth. To the nearest centimetre, how far would it be from the Earth in our scale model? 2) In this mode, how far away from the Earth would the Sun be?

science
The sun is actually about 865000 miles in diameter, so 1cm of the model represents how many miles?

math
A and B these 2 companies are fixing a road,A fixes 62% of the road,which is 360 meters more than B fixed.How long is this road? Let X be the road length. a is fixed by company A. b is fixed by company B. a + b = x a - b = 360 a = 0.62 x 2a = x + 360 (from adding the first two...

Chemistry
It's impossible

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