2,563 Answered Questions for the topic Maths

02/09/21

Please show me the technique of these two ratio and percentage arithmetical problems without the use of calculator:
The price of an item decreases 16 2/3 % (50/3 % or 16.67%), so that 5 extra quantities of the items can be bought for 75 $. How much is the current price for each dozen (12) of the items? Two... more
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02/07/21

Inequality math problem.
1/|x2-9x+36|<3/5(| indicates modulus not brackets btw)Find the range of values of x.
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02/07/21

How to solve these type of IQ/mental ability problems?
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02/05/21

Please find the value of x from the equation: x^(x^(x^(1/3))) = [(X^4)(X^0.5)]^x.
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02/05/21

Probability help.
A bag contains 6 white balls and 5 black balls. Three balls are chosen at random. What is the probability that: All three balls are black. At most two balls are white. One black ball, one white... more
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Maths

02/04/21

Calculate the perimeter of a square with sides 7cm
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02/04/21

I am a Math tutor in 626!
I have 10 yrs experience as a Math Tutor in 626 (I used to tutored two boys who goes to Mr. Lu for math academy in SanMarino/Alhambra/Arcadia. Pursuing a doctorate degree. Experience•Assisted... more
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02/03/21

A triangle ABC has side AB being 10cm and side BC being 8cm. The angle BAC is 30°
a.) use cosine rule to find 2 possible values of side ACb.) find the differences between the 2 possible measurements of angle ABCc.) find 2 possible distances from point C to side AB
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02/02/21

Find the equation for the plane through P0(-9 6, -5) perpendicular to the following line?
x=-9-ty=6+4tz=5t-infinity < t < infinity using a coefficient of -1 for x the equations of the plane is __________
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Maths

02/01/21

If 1/2 y=-6,then y=?
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01/29/21

Let f ( x ) = 15 ⋅ sin x + 2 f^ − 1 ( x ) =
I am confused about this problem. Again it is Let f(x)=15⋅sinx+2f-1 (x)=
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Maths

01/28/21

Item 1 Solve the system by graphing. y=2x-3 y=-x+9 The solution is

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01/28/21

Geometric Triangle math problem.
Two isosceles triangles ABC and DEF, with A and D being the respective peak points, the triangles are joined diagonally by AE length 8cm, given ABC is elevated 30 degrees above DEF. Given the ratio... more
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01/28/21

What is the simple interest, when total amount of $250000 after 8 years is 3 times the Principal amount?
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01/27/21

The bacterium E. coli often causes illness among people who eat infected food. Suppose that five E. coli bacteria in a batch of ground beef begins doubling every 10 minutes. Show all work...
The bacterium E. coli often causes illness among people who eat infected food. Suppose that five E. colibacteria in a batch of ground beef begins doubling every 10 minutes. Show all work leading to... more
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01/27/21

Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse of right ΔABC is equidistant from vertices A, B, and C.
Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse ofright ΔABC is equidistant from vertices A, B, and C.
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01/27/21

Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse of right ΔABC is equidistant from vertices A, B, and C.
Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse ofright ΔABC is equidistant from vertices A, B, and C.
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01/27/21

Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse of right ΔABC is equidistant from vertices A, B, and C.
Given: A(2a, 0), B(0, 2b) and C(0, 0). Prove that the midpoint of the hypotenuse ofright ΔABC is equidistant from vertices A, B, and C.
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Maths Mathematics

01/27/21

Mark bought 2 1/2 pounds of round steak on sale for $3.50 a pound. How much did he pay for the meat?
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01/22/21

The pig pen: Suppose that a rectangle pig pen is 4 feet longer than it is wide and its area is more than 32 square feet. The question is the dimension of the pen.
Let 𝑥 be the width or the pen. 1. Using 𝑥, give the pig pen length and area. 2. Explain why 𝑥 2 + 4𝑥 − 32 > 0 3. Sketch the graph of the function 𝑦 = 𝑥 2 + 4𝑥 − 32 and shade the 𝑥 −values that... more
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01/22/21

Summer camp options
Summer Camp Options Power Camp charges a flat fee of $30 for a jersey, $55.50 per week for conditioning/drills/lessons, and $20 per week for game fees. All Star Camp charges a flat fee of $20 for a... more
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01/21/21

Summer camp options
You attended Top of Your Game Camp and paid $578.50. How many weeks did you spend at Top of Your Game Camp? Justify your answer (write and solve an equation using the expression you found on slide... more
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01/21/21

Summer camp options
Summer Camp Options Power Camp charges a flat fee of $30 for a jersey, $55.50 per week for conditioning/drills/lessons, and $20 per week for game fees. All Star Camp charges a flat fee of $20 for a... more
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01/21/21

If w = 7a + 4b, which of the following equations is solved for a?
A) a=w-7b/4B) a=w/7 -4bC) a=w-4b/7orD) a=w/7 -28b
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Maths Ratio

01/20/21

the ratio of the number of adults to the number of children at a concert was 4:3.there were 96 adults at a concert.how many childrens were there?
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