# 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?

**grade (5) math**

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 ...

**algebra check please**

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

**algebra check please**

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

**algebra check please**

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

**algebra check please**

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

**algebra check please**

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

**algebra check please**

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**

1200

**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?