Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 36

**physics**

The drawing shows a skateboarder moving at 7.59 m/s along a horizontal section of a track that is slanted upward by 55.0 ° above the horizontal at its end, which is 0.741 m above the ground. When she leaves the track, she follows the characteristic path of projectile motio...

**math 7th grade**

so is it okay if you explain to me why we multiply first and then divide???

**Math 7th grade**

oh sorry my bad thank you ms.sue :))

**Math 7th grade**

so could you help me with number 2???

**Math 7th grade**

I mean 80 not 45

**Math 7th grade**

but why would you multiply and then divide?

**Math 7th grade**

that would equal 45?

**Math 7th grade**

1) of the dolls in mo's doll collection, 1/5 have red hair. of these 3/4 have green eyes. what fraction of Mo's dolls collection have both red hair and green eyes? 2) ( Use measurement conversions) find 1/2 of 1/4 of a gallon. 3) Cheryl is organizing her movie collecti...

**7th grade science**

Please people i really need help with this question this assignment is due first thing in the morning and i still have a ton of other homewrok to do!!

**7th grade science **

1) a classmate states that igneous rock must always become sedimentary rock next, according to the rock cycle. explain why this statement is incorrect. 2)why would granite have larger crystals than igneous rock s formed when lava cooled above the earth's surface?

**Math**

okay I get it now. Thank you for your help :)

**Math**

explain more in detail for me please

**Math**

i dont understand why we have to add 1/5 + 2/3. can you

**Math**

Kate saves 1/5 of her allowance and spends 2/3 of her allowance at the mall. what fraction of her allowance remains?

**civics**

There are others who need help as well anyways. I dont want to keep them all waiting. Thank you so much!!!

**civics**

if you cant help that is fine but i really appreciate your effort into trying to help me with this question!!! thank you soo much for your time. But i will somehow manage to solve this question. Thank you again!!!

**civics**

u.s. civics

**civics**

it doesnt say which country it just said the pacific region. :(

**civics**

Q: which industries in the pacific region most affect the nation. can someone please take their time and please help me with this question? Thank you!!!

**Calculus**

Use a graphing calculator to graph f(x)=x^4-6x^3+11x^2-6x. Then use upper sums to approximate the area of the region in the first quadrant bounded by f and the x-axis using four subintervals.

**honors English**

In "The Cross of Snow," the images of a halo, fire, and sunlight contrast with the- (which one??) A- image of a snowy, sun-capped mountain B- face of the speaker's dead wife C- image of a sunless mountain ravine D- memory of a happy marriage

**Math**

yes, parenthesis are necessary. why? following order of operations, -PEMDAS- parenthesis come first. this is telling you in the first problem that 3 is first multiplied by 5 to get 15, and then you add 2 to 15. =17 for the second one, first you have to add 2 and 3 to get 5, th...

**chemistry**

Determine the minimum volume of 6.40M HNO3 required to dissolve a 2.40g sample of Cu. 2NO3-(aq)+8H+(aq)+3Cu(s)-->2NO(g)+4H2)(l)+3Cu2+(aq)

**Chemistry Help(Calorimetry)**

the number of calories needed to raise the temperature of 100 grams of water 10 degrees Celsius is the same as the number of calories needed to raise the temperature of 1,000 grams of water what amount?

**Chemistry Help(Calorimetry)**

the number of calories needed to raise the temperature of 100 grams of water 10 degrees Celsius is the same as the number of calories needed to raise the temperature of 1,000 grams of water what amount?

**english composition**

i want the answer!!!!!!!!!

**math**

what is the most probable next term? 3 6 9 15 24 39 ? I do not understand? you add 3 then 3 then 6 then 9 then 15 I do not see the pattern...please help catalina the answer is 57

**math**

If you add two-thirds of a number to the number itself, you get 40. What is the number? I do not know how to set it up? 2/3n + n = 40 Solve for n. I don't know but thak you sooooooooooo much for helping me on my mixed #'s!!!!!!!! Good Luck!!!!!! I don't know but th...

**math**

Q. The sum of the measures of two supplementary angels is 180 degrees. If one angel measures 45 degrees less than twice the measures of its supplement, find the measure of each angle? what steps do I need to take in order to get the measurments? A1 + A2 = 180 2*A1 - 45=A2 I go...

**math**

Q. five times the sum of 3 and some number is 70. What is the number? I did the problem and got 13...but the answer is 11. I cannot figure out what I am doing wrong?? You must use parentheses when it says sum. 5(x +3) = 70 is correct set up. 5(x +3 )= 70 5x + 15 = 70 5x = 70 -...

**math**

Q. Naomi has a formula that allows her to convert Clesius temperatures to Farenheit temperatures. She needs a formula for converting Fahrenheit temperatures to Celsius tempertures. What advice can you give her? I am thinking that I just reverse the preocess of the first conver...

**math**

2/3(7/8-4x)-5/8=3/8 I do not underdtand the steps?? Do I find a common denominator for all the fractions? Step 1. Clear the parentheses. Step 2. Multiply through by 24. Step 3. Solve for x. when I clear the parenthesis do I distribute 2/3 or do I just take out the parenthesis?...

**math**

problem remove parentheses and simplify 5x-(2x+7) I am getting 3x+7 is that wrong? The - sign carries through to both terms within the parentheses, so: 5x-2x-7 3x-7 I get it thank you

**math**

Can someone please help me with this, -x/y = 2/9 I do not understand how to solve.... thanks -x/y = 2/9 multiply by 9y 9y*(-x/y)= 9y*(2/9) -9x = 2y can you take it from here? thank you

**math**

Instructions: Tell whether each expression represents a positive number or a negative number when m and n are negative. problem: -n/-m If both m and n are negative, then both -m and -n (numerator and denominator) are positive. What does that tell you about the fraction?

**biology**

data

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