# Posts by Reid

Total # Posts: 49

**Statistics**

A student takes true or false test consisting of 10 questions by just guessing at each answer. Find the probability that the student's score will be 80% or more?

**CIS**

How do you create a constructor that takes an integer as a parameter to initialize the radius?

**5th grade math word problems**

abby has been practicing for her soccer game. She has been running 5/8 of a mile every day for 4 days. How many total miles does she run?Use a representation and write an equation. I do not understand what a representation is and would I multiply fractions or add them?

**Algebra Math**

The length of a rectangle is two more than three times its width. The perimeter of the rectangle is 116. Determine the length and width of the rectangle.

**Math**

I don't know. I've been trying it forever.

**SCIENCE**

thank you @ms.sue

**5th grade math**

insert parentheses to make each statement true: 3x9+18+36/9=33 No way i do this do i get 33. One way I get 31.5 the other way I get 9. I don't think this is a good equation to =33.

**4th grade math**

Thank you ms sue. i was really confused because i was thinking about multiplyong by 2 and adding together

**4th grade math**

the area of a rectangular rug is 24 square feet. The perimeter is 28 feet. What are the dimensions of the rug?

**Math**

Dominic used the equation below to find d, the amount in dollars he would spend on gasoline to drive a distance of m, miles. d= m/25(3.5) Based on this equation how much would Dominic need to spend on gasoline to drive a distance of 1800 miles? A. $25.50 B. $21.00 C. $24.50 D...

**4th grade math**

Thank you

**4th grade math**

The drill team is selling cookies to raise money. It costs .78$ to make each cookie. They sell them for $1.50 each. If they sell 253 cookies, how much profit will they make? Do I have to subtract the .78 from 1.50 then multiply that answer by 253? Or do i forget about the $1....

**math**

a rectangular room is 42ft wide by 69 feet long. On a blueprint, the room is 14" wide. How long os the room on the blueprint. I am totally lost. How do i even set this up to solve.

**4th grade math**

can you convert 154 minutes to total hours in a week? I don't know how to convert

**2 STEP MATH EQUATIONS**

eric has a dog walking business. He charges $13per dog he walks and $6 for the water he buys for the dogs. If he made $97 on Monday, write an equation to find the number of dogs he walked on Monday. I got an answer of 7 dogs on Monday. Then, in addition to dog walking, on ...

**Math**

A submarine begins at -125 below sea level. If the submarine travels at 20 feet per minute, how many minutes would it will take the submarine to rise to the surface and then defend to -104 feet? A: 6 1/4 B: 11 2/9 C: 5 1/5 D: 11 9/20 I said C but it was wrong. how do i solve ...

**math**

gary is 61 1/8" tall. His friends gino and gilbert are 56 1/2" tall and 63 1/8" tall. what is the average height of the three friends. Do i divide my answer by 3?

**3rd grade math**

what is the next number in the sequence 1,3,9,27,______ I'm confused on the skip counting they use.

**3rd grade math**

sara wants to know how many boxes of cookies her entire girl scout troop sold. How could she use compatible numbers to find the sum? kate 52 boxes sara 43 boxes jen 18 boxes haliey 27 boxes

**physics**

A car travels along a straight stretch of road. It proceeds for 11.3 mi at 51 mi/h, then 26.3 mi at 45 mi/h, and finally 42.3 mi at 31.1 mi/h. What is the car’s average velocity during the entire trip? Answer in units of mi/h

**math**

Bob and Jim had a total of 90 marbles. Bob had half a dozen more than Jim. How many marbles did Jim have?

**PHYSICS**

a dull

**math**

in traveling to Greece, Jim found the exchange rate to be 148 drachma equal to one American dollar. He bought 3 of the same priced items and spent almost 10 American dollars. What was the maximum amount of drachmas for each item?

**4th grade word problems**

if tiles at a store cost .$20 for a 1"x1" square and $.30 for 1"X2" rectangle what would be the cheapest way to buy tiles to make a tiled square 3 inches on each side.

**Math**

Lee & Lynn started out on a trip at 8:00am and arrived at 4:00 pm. The next day they started back home at 11:00am using the same exact route. If their driving speed was constant for the entire trip, at what time would they have been at the same place at the same time on both ...

**7th grade math**

Cbadc

**Chemistry**

A nine liter tank has 150 atmospheres of bromine in it at 27°C. What is the added mass of the tank due to the gas?

**Chemistry**

8. The usual partial pressure of oxygen that people get at sea level is 0.20 Atm., that is, a fifth of the usual sea level air pressure. People used to 1 Atm. air pressure begin to become "light-headed" at about 0.10 Atm oxygen. As a rule of thumb, the air pressure ...

**math**

express the ratio 100 to 60 as a fraction

**geometry**

The length of the smaller of the two diagonals of a rhombus is 12 and the length of the larger diagonal is 16. What is the length of a side of the rhombus?

**chemistry**

PO2+PHe+PCO2=1.2atm solve for PO2 PO2= 1.2atm-PHe-PCO2 answer is d

**English 2**

can somebody tell me how to make a body paragraph. How do i put this, whats the paragraph made of?

**chemistry - grade 9**

answer the question someone!

**physics**

A rubberband has mass 8.5g. The spring constant is 13.0. The rubberband is pulled back 3.4 cm. What is the velocity when rubberband is let go?

**science**

ok.. sorry to post anyother question on here but i got the answer to my previous question but im having trouble with this one.. In the explosion of a hydrogen-filled balloon, 0.43 g of hydrogen reacted with 7.2 g of oxygen to form how many grams of water vapor? (Water vapor is...

**science**

Are the following data sets on chemical changes consistent with the law of conservation of mass? (a) A 15.0 g sample of sodium completely reacts with 19.6 g of chlorine to form 34.6 g of sodium chloride. the answer is yes, because 15 and 19.6 add up to 34.6 right?

**Math - factoring**

of yes. sorry i almost forget whenever solving for x take the problem (x-4)(x+3) and make each their own equation 1) (x-4)=0 2)(x+3)=0 then add the 4 and the subtract the three and you get x=4,-3

**Math - factoring**

First in these type of problems if there is a variable that is squared i always start by putting those in first 1) (x ) (x ) then i decide if im going to need a - or + and in this case because we want to make it - we have to put one of each 2)(x- )(x+ ) then i just start by ...

**Science**

If 76g of Cr2O3 and 27g of Al completely ract to form 51g of Al2O3, how many grams of Cr are formed?

**chemistry**

that did not help at all, in order for that expression to equal zero, the deta T or "(Tf-Ti)" term has to equal zero. Im stuck where you are Capacino, idk what im doing wrong, this was a test question on my last exam and had me stumped.

**Biology**

What caused Mendel to get different ratio results in first and second experiments with crosses?

**7th grade**

If a man says he has three children who's ages are the product 36,the sum is the house number across the street and his oldest son loves chocolate cake,how old are the kids?

**science**

I did not see a second response to my answer to your question of what method?

**science**

Can Ms. Sue go back to my science question and see my response?

**science**

Yes - I think so?

**science**

Dosen't matter - not an exact number - the question is why the unit is used - just a general knowledge question?

**science**

Yes!

**science**

Graduated cylinder is the tool you use or length by width by height. Is that what you mean by method?

**science**

Why can you express the volume of a gold nugget measured by the method in cubic units?