Contest: It Pays to Use Alloprof This Summer!

Ask a school-related question in the Help Zone and you could win $100 for a summer activity. Help Zone Mathematics {t c="richEditor.description.title"} {t c="richEditor.description.paragraphMenu"} {t c="richEditor.description.inlineMenu"} {t c="richEditor.description.embed"} Discussion List • Verified by Alloprof Verified by Alloprof Secondary III • 2yr. What is the difference between the median and the perpendicular bisector? thank you • Verified by Alloprof Verified by Alloprof Secondary I • 2yr. What is the difference between a scalene and an isosceles triangle? Thank you • Verified by Alloprof Verified by Alloprof Secondary I • 2yr. My teacher tells me that to work on fractions, it is useful to master LCM. How can I find it? I have heard of multiples and trees. • Verified by Alloprof Verified by Alloprof Secondary I • 2yr. In my assignment, I am asked to find the LCM and the GCD of the following numbers: 10 and 15. I know that LCM means least common multiple and GCD means greatest common divisor but I do not know their concrete definition. Thank you very much for helping me, that will clarify everything • Verified by Alloprof Verified by Alloprof Secondary I • 2yr. Hello, how do I calculate a 20% discount on a sweater that costs$ 10? thank you

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hi, I'm not too good with taxes and discounts and everything. I am a little lost in this exercise:

Marie-Christine wants to buy a sweater at $42.50, pants at$ 55.25 and a pair of shoes at $79.75. Today, the store is offering a 40% discount for any purchase over$ 100. How much will she have to pay if a 15% tax is applied to her purchases?

• Verified by Alloprof
Verified by Alloprof
Secondary III • 2yr.

I understood how to transform a decimal into a fraction and vice versa, but my exam is coming soon. Therefore, I would like to know if you have any suggestions of sites and exercises for me to practice. Thank you!

• Verified by Alloprof
Verified by Alloprof
Secondary III • 2yr.

I have trouble expressing a fraction as a percentage and the reverse.

What are the steps? I have 36% as an example.

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello!

How to turn a percentage into a decimal number and the opposite?

• Verified by Alloprof
Verified by Alloprof
Secondary IV • 2yr.

I have a problem with my math exercise may someone help me?

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, how do I find the area of ​​a rhombus ?? Thank you

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, how do I calculate the area of ​​a triangle please? I didn't have time to write the formula my teacher erased too quickly

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, can you help me with this question please? :

The length of a rectangular park is 5 m more than three times the width. The park is surrounded by a sidewalk, 3 m wide, with the sidewalk increasing the area of ​​the park by 1986 m ^ 2.

What is the area of ​​the park without the sidewalk?

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Arthur et sa mère préparent du caramel. Ils utilisent deux casseroles. L’une a une capacité de 8 2/3L et l’autre et 2 fois plus petite.

Arthur et sa mère transvident ensuite le caramel dans de petits pots d’une capacité de 3/7L chacun.

Combien de petits pots peuvent-ils remplir?

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, I do not understand how square roots work .... How do we do root 25 for example?

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hi!

How to revise for a test on the operations of algebraic expressions?

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, We are starting to see algebra in my math class and I was wondering if a = 1, b = 2, c = 3, etc. according to the rank of the letters in the alphabet ? Thank you!

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, I would like to know how to find the solution; square root of (51 + 43) (the root includes the addition) thank you

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hello, how do I subtract this fraction : 5/10 - 3/15?

Thank you

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hello, I do not understand what is a square number and a cubic number? thank you

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hello,

How do you multiply negative fractions?

Thank you!

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hello,How can I add up fractions?I have$$\ frac {5} {6} + \ frac {1} {3}$$

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hi! What distinguishes triangles from quadrilaterals other than their number of sides ?

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hello, I need help understanding and applying the division of fractions.

Thank you

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hi, I am not sure how to do operations, such as the addition, subtraction, multiplication or division with decimals. Could you explain it to me please?

• Verified by Alloprof
Verified by Alloprof
Secondary V • 2yr.

Write a quadratic equation in the variable x with the solutions sqrt(7) and -sqrt(8).

• Verified by Alloprof
Verified by Alloprof
Secondary II • 2yr.

Hi, I have a question. How do you calculate the total perimeter of the rabbit cage and the carrot garden ???

THANK YOU

• Verified by Alloprof
Verified by Alloprof
Secondary I • 2yr.

Hello:)

I also do not understand how to calculate the discount of 20% on a t-shirt which costs 25\$. Thank you in advance