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Questions (46)
I know this isn't an ACTUAL learning question but this is urgent for I have an upcoming test...
how do you establish the formulas
1 answer
459 views
what is the formula to calculate two cylinders, one of them inside the big cylinder?
1 answer
318 views
How much air space is contained inside a rectangular cardboard box that has the dimensions 85 cm by 62 cm by 36 cm. Answer using
1 answer
554 views
Two wooden boxes, both with dimensions 8080 cm, 11 m and 25 cm, are placed on the ground, one on top of the other as shown. The
1 answer
446 views
Six square windows of side length 2 m are to be placed into 12 m wide by 8.5 m high wall as shown. The windows are to be
1 answer
1,140 views
A pizza shop is considering increasing the diameter of its family pizza tray from 32 cm to 34 cm. Find the percentage increase
4 answers
2,958 views
A photo 12 cm wide and 20 cm long is surrounded with a picture frame 3 cm wide. Find the outside perimeter of the framed
7 answers
3,459 views
A lion enclosure is made up of five straight fence sections. Three sections are 20 m in length and the other two sections are
2 answers
1,880 views
A pool is surrounded by paving blocks which are 1 metre square. There are 16 blocks are used to surround the pool.
a) What is the
3 answers
359 views
The Play Park runs between Happy Street and Sad Street. Some drivers are using the park as a short cut. A fencing contractor has
1 answer
597 views
The length of the paving block will determine the perimeter. While there could be a number of different rectangles formed using
1 answer
412 views
Peter kept his pony in a rectangular paddock the perimeter of which was 240 metres and the area was 3200 square metres. What
4 answers
501 views
A builder is to build a staircase up to a landing which is 3 metres from the floor level. Each step rises 20 cm, and the
4 answers
520 views
The area around the rectangular pool is to be paved for a distance of three metres out from the edge of the pool. Each paving
2 answers
646 views
Major car park has y levels. Each level has n rows and each row has n spaces. The charge for each space is $x per day. The
4 answers
394 views
A memorial lawn at the crematorium is square and has an area of 81 square metres. The path around the lawn is 1 metre wide. What
7 answers
577 views
What conclusion are you able to draw about the relationship between perimeter of rectangles and the area, which they enclose?
1 answer
716 views
Farmer Giles has 36 sections of portable fence which are used to make pens for the sheep. Each of these sections is 1 metre
1 answer
570 views
When new, a factory cost $c, but it loses value at the rate of $p a year. Find its value, $V, after n years.
1 answer
386 views
Five times a certain number exceeds 19 by 6.
How do I solve this in algebraic form?
1 answer
573 views
yy + 12 = 28
1 answer
249 views
I think of two numbers, which I represent by x and y. If I add three times to y to three times x, the result is 7 1/2, while if
1 answer
353 views
I think of two numbers. If I double the first and add three times the second, the result is zero. If I subtract three times the
1 answer
472 views
Solve this simultaneous equations by substitution:
1) a = 4b + 1 a = 3b - 1
1 answer
428 views
Solve these simultaneous equations by eliminating:
1) 7x - y = 9 2x + 3y = 19 2) x - 3y = 0 3x + y = 30 3) 7x - y = 19 2x + 3y =
2 answers
1,719 views
What is the growth rate, in percentage, of the amount of money in account B from year 1 to year 2? Justify your answer and show
0 answers
520 views
Malcolm’s mother is 27 years older than he is and their ages are both two digit numbers. If Malcolm swaps the digits in his
1 answer
1,191 views
Wilfred and Wendy have a long distance bike race. Wilfred rides at 20km/h and has a 2 hour head start. Wendy travels at 28
1 answer
753 views
Carrie has 27 coins in her purse. All the coins are 5 cent or 20 cent
coins. If the total value of the coins is $3.75, how many
4 answers
4,082 views
Mal bought 3 bottles of milk and 4 bags of chips for a total of $17. At the same shop, Barbara bought 1 bottle of milk and 5
2 answers
1,056 views
Use substitution to solve each of the following pairs of simultaneous equations for x and y in terms of a and b:
a) ax + y = b y
1 answer
626 views
Solve each of the following equations by first expanding the brackets.
a) 4(5 - b) = 18 b) 2(1 - m) = 13 c) 5(3 - x) = 19
1 answer
439 views
subtract x from both sides:
3x + 1 = x - 6 subtract 2x from both sides: 4x - 3 = 2x + 1
2 answers
692 views
Jill pays tax at 20c in the dollar for every dollar earned over $10 000. If Jill earns $x and x > 10 000, write an expression
1 answer
1,180 views
A rectangle's length is 4 more than its width, x. Find an expanded expression for its area.
1 answer
703 views
Expand and collect like terms:
5 + (3x - 4)
1 answer
509 views
When expanded form, what should -2(x + 3) equal?
1 answer
431 views
6xy + xy + 4y
My answer is 6xy + 4y Is that correct?
2 answers
646 views
The sum of half of the square of n and half of n.
Write the expression for this description. This is MY answer: (1/n)^2 + 1/n Is
1 answer
549 views
Farah made a drink for a party by mixing syrup and water in the ratio 1 : 8. If she made 4.5L of drink, how much syrup did she
2 answers
810 views
The ratio of the volume of water in cups A and B is 10 : 7. Express the volume in Cup B as a fraction of the total volume of
1 answer
546 views
Hannah is (3/7) as heavy as Irna and (3/4) as heavy as Jiahui. What is the ratio of Hannah's mass to the total mass of the 3
1 answer
572 views
A class has 42 pupils. The ratio of the number of boys to the number of girls is 5 : 2. Find the number of boys in the class.
My
6 answers
2,398 views
A bag of durian is (9/5) as heavy as a bag of rambutans. Express the ratio of the mass of rambutans to the mass of durians.
The
1 answer
689 views
Alvin, Brian and Charlie shared some comics among themselves. Alvin received (2/5) of them while Brian received (5/6) of what he
3 answers
831 views
Joel bought a bag with (2/9) of his money and a pair of shoes which cost $40 more than the bag. He had (1/3) of his money left.
a
2 answers
623 views
Answers (25)
yes I have the diagram in my hw book I'm just not sure how to find the perimeter and area the diagram has 4 blocks on each side... so 4 blocks on the top, 4 blocks on both sides, and 4 blocks on the bottom
wait.. where did 120metres come from? sorry my head is a bit muddle up today... I would've been able to solve it
The factors of 32 are 8 and 4, since they add up to 12 anyways.. And so... the factors for 3200 are both 100 and 20 AND 40 and 80
add the extra 75cm for the top landing (25cm included by thinking of it as a step) what does that mean?
I just understood that a day ago... thanks to the example you gave me
what original problem?
So basically... there are different ways to answer this problem? Like... it's an open-ended question?
9m isn't a variable. It represents "metres" not some variable.
For the 9m... is it 9m^2? or just leave it like that?
nevermind... solved it already
Can you please put this in algebraic form? I don't understand how to put it into algebraic form.
The working out has to be in algebraic form
Yes B should be correct because the question is asking WHAT'S the meaning of the speech
This sentence is correct, but you need to add 2 commas: "France, as well as Russia, produces oil."
B. The runaway truck which had been parked on a steep hill swerved and teetered before jumping a curb and slamming into a tree.
blue-violet
Ohhhh I get it So 5x = 5 x 6 = 30 (BOYS) And 2x = 2 x 6 = 12 (GIRLS) So the number of boys is 30 yes?
"Musa's arms SWUNG as he walked to school."
Oh oops.. sorry.. wrong answer CORRECT ANSWER: -2048v^29
So basically the number of boys is 6? And so is girls??
-2^11v^29
It is easier because the arch structure at either end of the egg is stronger than it's sides. Pressure is distributed up or down (but most commonly down) so that the arches has less pressure that can act on any one point
Yes, I believe that works... for you... but I still don't understand the concept Please help... thank you very much
5/6 - Brian (1 half from what BOTH Brian and Charlie received) 2/5 - Alvin Alvin got 180 MORE comics than Charlie To find Charlie's and Brian's amount of comics: 5/6 x 2 = 5/3 So BOTH Charlie's and Brian's amount of comics is 5/3 Alvin received 180 MORE
Hi, sorry got your response late I didn't get pretty far. I didn't understand how to apply the same formula to this question
