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andra
Questions (38)
how do i find the number of molecules in a packet of sweetners (splenda, equal, sweet & low).
1 answer
381 views
Two planes take off at a ny airport. The first plane climbs at an angle of 45 degrees with respect to the ground and reaches an
3 answers
652 views
lisa spend 3 hours driving to and from work each work day. what percent of her day does she spend driving to and from work each
6 answers
701 views
1) A party mi is made from pretzels that cost $2 lb. and cereal that costs $2.40 lb. If a total of 4 pounds is made and the cost
3 answers
818 views
Factor the polynomial. Please show all work.
x^2+2x-3
3 answers
534 views
About 7.5 gallons of water occupy one cubic foot. About how many gallons of water are in a clindrical water tank with dimensions
2 answers
1,001 views
Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every
3 answers
905 views
5/12 = -2/3 c
The answer is c=-5/8 I can't figure out how they got this answer. Please show and explain the work. Thank you.
1 answer
397 views
Please show me the steps and solve.
3x+5y=1025 x+5=275
4 answers
589 views
How far from an earthquake epicenter is a city where the difference between the P-wave and the S-wave arrival times is 5 minutes
3 answers
1,357 views
A rectangular yard had a length of 0.006 kilometer and a width of 5x10^-3 kilometers.
A. Use scientific notation to express the
3 answers
1,854 views
Mohammed copied this problem into his notebook.
(3.4x10^5)(3.8x10^-9) A. Use the associative and commutative properties to
3 answers
930 views
Mohammed copies this problem into his notebook
(3.4x10^5)(3.8x10^-9) A. Use the associateve and commutatitive properties to
1 answer
546 views
A microscope is set so it makes an object appear 4x10^2 times larger than its actual size. A virus has a diameter of 2x10^-7
1 answer
1,318 views
One microgram is equal to 1x10^-6 gram. If the mass of a substance is 8x10^9 micrograms, what is its mass in grams?
a)
2 answers
3,153 views
1) -x+10y=60
-4x+16y=32 2) -1/2x - 1/4y=3 1/3x+1/6y=2
4 answers
583 views
1. y= -5x+2
y=3x-14 2. x+y=0 5x+y=4 3. 6x+2y=4 4x+2=8
4 answers
1,017 views
To rent a conoe, you pay a fee of $25 and an hourly rate of $5. Express the total cost of a rental as a function of hours, h.
2 answers
563 views
Oscar is giving his mother a new acquarium in the shape of a rectuangular prism. He is going to wrap it in colorful wrapping
7 answers
1,464 views
claudia went on a skydiving adventure. she jumped when the plane was at an altitude of 10,000 feet and landed safely on the
2 answers
761 views
A pedestal for a statue is in the shape of a hexagon formed by a square and two congruent triangles, with the dimensions 7 ft
2 answers
605 views
Li-Hua wants to create a triangular fame. She has two pieces of wood, which are 6 inches long and 9 inches long, to use for two
2 answers
1,281 views
-2-(-3)-(-4)+5+6=
Please show work I get 14 and when I do it on a calculator its 16
1 answer
340 views
What is the mad of the data?
6, 15, 7, 14, 11, 13, 15, 15 I think 1) Find the mean, 2) subtract each # in the list from that mean
4 answers
566 views
a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the
6 answers
597 views
a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the
2 answers
876 views
a rectangular prism has a length of 1/2 fofoot and a height of 1/4 foot. what is the width of the right rectangular prism if its
1 answer
466 views
nisha is putting 64 cookies and 40 truffles into gift boxes. Each box willhave the same number of cookies and chocolate
1 answer
1,478 views
hasan ran 3 miles in 18.342 minutes. Safaya ran the same distance is 19.291 minutes. How much longer did it take safays to run 3
2 answers
880 views
nisha is following a recipe for tomatoe sauce that calls for 1 3/4 tsps of oregano. she is using a measuring spoon that holds
2 answers
1,349 views
x/2+x/3=5
2 answers
231 views
a school sold $5 magnets for a 50% markup. they sold 120 magnets and spent $95 on supplies for the event. what was their total
1 answer
349 views
a school sold $5 magnets for a 50% markup. they sold 120 magnets and spent $95 on supplies for the event. what was their total
0 answers
322 views
The student council has a canned food drive. They collected a total of 63 cans on Wednesday. This is 21% of the total. How many
3 answers
1,263 views
according to the school survey, 12% of the students at rockwood junion high school seak spanish. There are 36 students at the
5 answers
1,039 views
hiroshi borrowed 3 non ficktion books from the library. This was 25% of the books he checked out. How many books did Hiroshi
1 answer
643 views
what is meant by the term "controlling/disposing of fullness" ?
4 answers
525 views
explain how to write 20 miles over 4 hours as a unit rate
3 answers
1,585 views
Answers (14)
254.34
I didn't learn trig. I'm in 7th grade. I did't learn it. Can you simplify it without trig please? I have a half hour before i leave for school
Thanks Ms. Sue. I was thinking it was 3/8 because people work 8 hour day but my answer was definitely wrong. Thanks for the help
Please Check it - I think I may have figured it out. 1) 1/2 lb cereal and .48 lb. of pretzels 2) 78 Am I right? :-)
thanks so much - but I have no idea what you did. why is it +3-1=2. How did you get to this? Is there a rule?
Actuaally, it was a word problem and that's the equation I got out of it. Here is the word problem. Students sold 275 tickets for a fundraiser at school. Some tickets are for the children and cost $3 while the rest are adult tickets that cost $5. If the
thanks, i got that too, my fault i should've included the options 1.7 x 10^3 9.9 x 10^3 3.5 x 10^3 4.7 10^3
Why is the final answer 1.292 *10^-3 instead of 10^-6? isn't 0.001292 = 10^-6?
THANK YOU, thank you. I am sooo lost. I understand up to 30*10^6. I'm not sure what part is A and what part is B. Please explain in very simple terms. Thanks:-)
Jai - it was -5x+10y=60. Typo - wow so sorry - but now was my answer right?
Jai - thanks. I tried #1 before you answered and I hot x=32 and y = 6. Wrong??? It worked out in the check Also, tried #2, getting real lost with the fractions:( Please Help!
Reiny I don't understand the second part of number 3. Please explain. Actually I really didn't understand the whole thing. Why did you subtract the two equations? than when you got the answer for x I don't even know what happened after that
So, D? 16
I thought that - but it seemed too logical of an answer. Thanks.
