# Posts by marko

Total # Posts: 412

Math
A rectangular OPEN box has a l=18cm h=5cm w=11.5cm and surface area=502cm^2. What is the volume of this rectangular open box?

Math
A rectangular OPEN box has a l=18cm w=11.5cm h=5cm and Surface area=502cm^2. What us the volume of this open rectangular box?

Above 39+5+12=56. Correct size is 9x9. 9+9+9+6=33ft fence= \$33 6 posts = \$12 1 gate = \$ 5 --- \$50

algebra ----
#27 can you check this: -5x (x-4) i got: -5x +20 #28 (y^2 - y -1) + (y^2 + Y + 3) i got: 2y ^2 + 2 #29 (x^2 + 1) - (2x^2 + x -1) i got: -x^2 - x +2

algebra -
bosnian for #23 i got 5m ^2 - 2m - 2 can you explain this one again

algebra -
#23 should be i got: 5m^2 - 2m -2

algebra -
#22 i got 12 x ^4

algebra -
for #26 i got: -4n^4

algebra -
#21 -can you help me solve this equation: 3x^2 (2x - 2) i keep getting: 6x ^2 -6 #22 can you check this one: (2x ^2) (6x^2) i got 12x #23 can you check this one: (4m^2 + m -2) + (-m^2 - 3m) i got: -4m ^2 + 4m-2 #25 can you check this one: (3x^2 -x -1) + (2x^2 + 2x -1) i got: -...

Math
What is 33 1/3 off 143.33 How do you do this??

Math word problem
Tremor Troll was very upset. He believed Trogmire Troll's claim that there were 500 humans living under Tremors bed. Tremor was relieved when he found that there were really only 150 humans under his bed. Trogmire had said that there were ______?____ more humans than the ...

mAth word problems
Farmer Pete expects to sell 5000 pumpkins this season he charges \$7.00 per pumpkin. HOw can he figure out the total revenue from the sale if his farming expenses cost him \$16,700.00 this season? would the answer be: 18,300.00 total revenue Betty WItch flies to school every ...

thank you i really glad you cheked my work i feel better now. its clicking thanks and good night

wait i think i got it: 8 - 3p -12 = 2p 12 + 8 = 20 20 - 3p = 2p +3p = +3p 20 = 5p ------------- 5 5 4 = p is that right

thanks and to check -8 -5(5) = 12 -9 (5) -8-25 = 12 - 45 -33 = -33 true thanks got time for 1 more -- please :) 8 - 3 (p-4) = 2p i got: 8 - 3p - 12 = 2p now im stuck

help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me

oh ok i see thanks can you check another: -5.5 (8+b) = -33 i got: -44 + -5.5b = -33 +44 +44 __________________ -5.5b = 11 ___________ - 5.5 = 5.5 b = -2

7(4 - t) = -84 i got: 28 - 7t = -84 -28 = -28 7t = -112 ----- ----- 7 = 7 t = -16 is this right : -16

ALGEBRA WRITE EQUATION
so 4lb at 1.20 = 4.80 2lb at 1.20 = 2.40 ttl 7.20 gala apple bought 2lb (1.2 * 4) +x = 7.20 4.80 + x = 7.20 4.80 -4.80 + x = 7.20 - 4.80 x = 2.40 thanks for your help and sorry again

ALGEBRA WRITE EQUATION
Im sorry i kept writing \$1.29 and yes 1.20 sorry thanks

ALGEBRA WRITE EQUATION
why (1.2 *4) should it be: (1.29*4) +x = 7.20?

ALGEBRA WRITE EQUATION
FOOD: each variety of apples cost \$1.20/lb at a grocery store. you buy 4lbs of cortland apples and some gala apples for eating. the total cost is \$7.20. how many lbs of gala apples did you buy? i think i got the answer but not sure how to write it in equation. Total \$7.20 - 5....

Math algebra
Word problem. You buy 6 lb turkey 3 lb coleslaw 4 lb cheese 4 lb turkey 2 lb coleslaw 3 lb cheese. Define and use variables to represent total cost I got.; 6 t + 3t + 4c + 4t +2s + 3c * x Is this right ??

math
thats what i thought i needed to know what a x and y were? but it was on my test and i got it wrong. now i have to correct but i don't know how. heres how instruction on test are: find the products: -5 (a+2) answer choices were: a) -5a -3 b) -5a +10 c) -5a +2 d) -5a -10 i ...

math
can you check if i did these 3 problems right or not: -5 (a+2) i got: -3 simplify: 5 (x+2) i got: 3 simplify: (y-3) (-4) i got: 12

Math
Word problem A woodcarver wants to make a scale model of a chair. The height of the model will be 3 inches which is 0.08 times the height of the fl sized chair What is the size if the full sized chair in inches?? I got : 5.4 inches. Is this right??

math
ok i got 79 but when i write the equation do i write like this for my answer: 152 - 73 =79 There were 79 students in school by 7:30 am.

math
can you help ; i need to write and solve for each situation. check the solution. school: between 7:30am and 8:00am the number of students in a school increased by 73. there were 152 students in the school at 8:00 am. How many students were in school at 7:30 am? i got an answer...

Math Ms due
Can you pls.check my answers ?? 3+2(4)-3+4(-3)= I got -4 3+4-2-5+3-6-8= I got I can't figure out I got -17 4-3(2+6) = I got. -20 10/5 + 8+(-3) /5 -4= I got -1

Pls check math
Can someone pls help me. ??

math evaluatge expression
for c = -8 and d = -7 c (-d) i got : -8(-7) = 56 is this right?

math algebra
ok thanks

math algebra
can you check if i have right these word problems of finding product or quotient 1) the value of jims telphone calling card decreases 15 cents for every minute he uses it. yesterday he used the card to make a 6 minute call. How much did the value of the card change? i got: it ...

math word problem
i have this table: day -- change in temperature mon -12 degree fahrenheight tues +6 degree f wed -4 degree f thur -9 degree f fri +8 degree f question: which two day period had the greatest change in temperature? i said : mon to tues and thurs to friday is that right or are ...

math help
i need to use mental math and the distributive property to simplify: can you pls check if this correct? a) 19(-6) i got: -114 or do i do like this: 10*(-6)=-60 9*(-6) =-54 -60 + -54= -114 b) 102* \$21 i got: \$2142 or do i do mental math like this: 100*21 = 2100 2 * 21 = 42 2100...

math word problem
i have this table: day -- change in temperature mon -12 degree fahrenheight tues +6 degree f wed -4 degree f thur -9 degree f fri +8 degree f question: which two day period had the greatest change in temperature? i said : mon to tues and thurs to friday is that right or are ...

math mental math help
i need to use mental math and the distributive property to simplify: can you pls check if this correct? a) 19(-6) i got: -114 or do i do like this: 10*(-6)=-60 9*(-6) =-54 -60 + -54= -114 b) 102* \$21 i got: \$2142 or do i do mental math like this: 100*21 = 2100 2 * 21 = 42 2100...

math estimate
can you check: i need to estimate the value of each expression: 7+3q: q = 7.6 i got: 29.8 estimated to : 30 2m^2 - 3m ; m = 1.6 i got: 0.32 estimate to : .3 is that right? x^2 + 7x - 19; x = 4.21 i got: 28.1941 estimate to: 28.2 is that right?

help math
word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for \$5. you plan to sell the cards at a rate of 3 cards for \$5 how may carfds must you sell in order to make a profit of \$100.00 i don't understand how to get answer can you...

math word problem
word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for \$5. you plan to sell the cards at a rate of 3 cards for \$5 how may carfds must you sell in order to make a profit of \$100.00 i don't understand how to get answer can you...

MATH
wait for : -(10)^2 the negative sign is outside to left of parenthesis so is it: (10)*(10)*(-1) is that right?

MATH
i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...

math exponents
I don't understand you who did got this answer can you pls explain to me agian sorry im confused

math exponents
word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for \$5. you plan to sell the cards at a rate of 3 cards for \$5 how may carfds must you sell in order to make a profit of \$100.00 would it be 80 card?

math exponents
i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...

powers of exponents math
multipliation

powers of exponents math
simplify each expression: can you check and help me please a) 3*3*3 i got: 27 b) (-2)(-2) i got: 4 c) (-125)(-125)(-125) i got: -1953125. d) -(2)(2)(2) i don't know: e) (-1) (-1) i got : 1 f) -4*4 i don't know:

math pls check
find mean,median, mode, range: for folloiwng numbers: 5, -2, 27, -6, 0 , 2, 11, 4, -2, 3 i got : mean: 4.3 median: 2.5 mode: no mode range is it; 27 -(-6)= 33 right? for quest 3 The numbers are: (yes 2 is listed twice) 2, 1, -1, 2, 0 , -2, 4, 0 for mean is it: 6 divide by 8...

math outl
for #2 so for range its; 27 -(-6)= 33 right? for quest 3 The numbers are: (yes 2 is listed twice) 2, 1, -1, 2, 0 , -2, 4, 0 for mean is it: 6 divide by 8 = .75 for median is it: 0 and 1 as median so 0 + 1 = 1 divide by 2 = median of : .5 for mode: 2 for range: is it : 4 - (-2...

math outlier
THanks Ms. Sue can you check my other questions on median mode mean range i posted before this one?

math outlier
can you check if i have correct #1 find the outlier and tell how it affects the mean for: -13, -16, -12, -16, -3, -14 mean: 12.3 the outlier is: -3 mean without outlier: 14.2 THE OUTLIER LOWERS THE MEAN BY : 1.9

math mean,median,mode,range
for #2 so for range its; 27 -(-6)= 33 right? for quest 3 The numbers are: (yes 2 is listed twice) 2, 1, -1, 2, 0 , -2, 4, 0 for mean is it: 6 divide by 8 = .75 for median is it: 0 and 1 as median so 0 + 1 = 1 divide by 2 = median of : .5 for mode: 2 for range: is it : 4 - (-2...

math mean,median,mode,range
can you check if i have this right? i need to find the mean median, mode and range for : 0,1,1,2,2,3,3,3,4,6 mean i got: 2.5 median: 2.5 mode: 3 range: is it 6 ? ------------------------- Question 2 5, -2, 27, -6, 0, 2, 11,4,-1,3 i got: mean: 4.3 median: 2.5 mode: no mode ...

math outlier
can you check if i have correct these 2 questions #1 find the outlier and tell how it affects the mean for: -13, -16, -12, -16, -3, -14 mean: 12.3 the outlier is: -3 mean without outlier: 14.2 THE OUTLIER LOWERS THE MEAN BY : 1.9

math
sorry question #1 should read: 0,1,1,2,2,3,3,3,4,6

math
can you check if i have this right? i need to find the mean median, mode and range for : 0,1,1#@,2,2,3,3,3,4,6 mean i got: 2.5 median: 2.5 mode: 3 range: is it 6 ? ------------------------- Question 2 5, -2, 27, -6, 0, 2, 11,4,-1,3 i got: mean: 4.3 median: 2.5 mode: no mode ...

algebra expressions
for #2 it should be q - 13 is that right. for # 6 is 7*w ok

algebra expressions
i need to write an algebraic expression for each word phrase. Can you check if I am correct: 2) 13 less than a number q i got : 13 - q 4) the quotient of a number n and 4 i got: n/4 6) the number of days in w weeks n * w 8) the cost of p photocopies if each one costs \$ .15 \$....

math algebra
adding with mixed numbers Can you check my answers: 1) 4 1/4 + 3 1/12 I GOT: 7 1/3 2) -7 1/2 + 5 2/3 i got -3 1/6 3) -3 4/5 + (-4 7/10) i got -6 1/2

MATH DECIMALS
45.6 - 72.3 = I USED CALCULATOR GOT 26.70 PUT THATS USING CALCULATOR WHY IS THAT TRUE? 45.6 - 73.3 HOW CAN YOU SUBTRACT THIS? I DON'T UNDERSTAND

ALGEBRA
3 PROBLEMS 1) 2*7 - 10/9-4 I GOT: 7 2) 8/5-1 * (3+6) * 3 I GOT: 54 3) (2+6*2+2-4)*2 I GOT: 24

MATH
26 + (-19)=? I GOT 7 IS THAT RIGHT?

math
SORRY I GOT 26

math
12 - (-14) = ? i got -2 is that right?

math find balance compound interest
i need help i need to find the balance in each compound interest account: \$1400 after 3 years at 5.5% i got: B= P (1 + r) t =1400 (1 + .055)3 I am stuck and don't know how to do this #2 \$1800 after 11 years @ 6.0% #3 \$900 after 10 years @ 4.62% #4 \$2500 after 50 years @ 2.2%

math patterns and tables
is this right for table term # 1 2 3 5 6 term 1 4 9 25 36 expression n squared n2

math patterns and tables
can you help me: i need to let n equal the term number. i need to figure out the expression for the following number sequence: 1, 4, 9, 25, 36 i cant figure this out

measurement
is it 90 i got 2cm/ 3m = 30 cm/n = 2n = 3 (30) = n = 90

measurement
i cant figure how to do this can you explain

measurement
a floor plan has a scale of 2cm : 3m what is the actual length of a room measuring 30 cm on the floor plan? I got to 20 is that correct?

measurement
101 inches is that right

measurement
how many inches are there in 2yd 2ft 5 in? i got 65 in is that ok

geometry
in a trivia question ;your team answered 32 out of 40 question correctly. the opposing team answered 16 out of 20 questions correctly. was the ratio of correctly answered quesstions to incorrectly questions the same or different for both teams? explain no they were not same ...

geometry
area is : 452.2 split by 4 people 113.1 in your area : 113. 1 is that right?

geometry
word problem You and 3 friends order a 24 in pizza (the diameter is 24 inches) what is the area of the pizza? Round to the nearest tenth. If you and 3 friends spit the pizza evenly, how much do you get to eat? What is total area? and what is your area? for total area i got 452...

geometry
a playground is 50yd by 50 yd amy walked across the playground from one corner to the opposite corner. how far did she walk? i got : 100 yd is that right

geometry
a playground is 50yd by 50 yd amy walked across the playground from one corner to the opposite corner. how far did she walk? i got : 100 yd

geometry
for number 1 should it be she walked 100 yd

geometry
a playground is 50yd by 50 yd amy walked across the playground from one corner to the opposite corner. how far did she walk? i got : 5000yd #2 a 70 ft ladder is mounted 10 ft above the ground on a fire truck. the bottom of the ladder is 40 ft from the wall of a building. the ...

geometry
my figures is like a shape of a square with 64m base 58 m height it is not a full square becuase it is irregular with a part cut out with this shape ^ the center gave a measure from the point up 31 m now i need to find the are of the irregular figure

geometry
i have to find the area of an irregular polygon how can i draw a picture to send you to show you? is this possible?

geometry
OK now i understand, i thought I had to do divide by 2 but you didn't say that 1st but i do understand now THanks !

geometry
i don't understand how you got this answer? can you pls explain more

geometry
word problem can you help me: a trapezoid has an area of 4 square units, and a height of 1 unit. what are the possible whole numbers lengths for the bases? would the only whole number be; 4? im not sure how to answer this

social studies
thanks this helped alot!

social studies
i am studying about palestinia and israel i have to write 8 bullets notes on what are the problems of the palestians and israel in the middle east. I don't understand the problems going on over there is there a website for my age 12 to understand this better or can you ...

math word problem
as always thanks for your help!

math word problem
sorry 2700 miles

math word problem
x= 13.5 is that right

math word problem
a scale on a map is 1.5 in. : 200 mi. the map distance from miami to chicago is 9 in. what is the actual distance between the cities?

1980's la
Im writing a paper on the 1980 's but having trouble with coming up with 1 word to describe that decade? Can u help. ??

geometry heptagon
i drew the figure and from midpoint i joined midpionts and got 7 segments within the figure is that right?

geometry heptagon
how many segments does a 7 sides figure have joining the midpoints of the sides? so the heptagon 7 sided figure has 7 segments joining the midpoint of sides' is that right?

geometry heptagon
so the heptagon 7 sided figure has 7 segments joining the midpoint of sides' is that right?

geometry
so it has 7 segments then?

geometry
how many segments does a 7 sided figure have joining the midpoints of the sides? can you show a photo of how this looks cuz i don't understand - pls thanks

geometry PLS HELP
I could not draw the full picture of diagram below i need to explain the relationship between the measure of <abd and measures of <bdc and <dcb d <__a_________b_________c <b measure 59 degree <d measures 62 degree how can i send you a photo of diagram?

geometry
i got 14 is that right?

geometry
find the number of diagonals in a 14 sides polygon can you help me wiht this?

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