2,563 Answered Questions for the topic Maths

03/19/21

What is the number of grams and the half life?

Strontium 90 is a radioactive isotope that decays exponentially at 2.8% per year. Suppose there are initially 1000 grams of strontium 90 in a substance.if the decay uses the formula P=P0ert show... more
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Maths Algebra

03/19/21

Solve the simultaneous equations...
Solve the simultaneous equations y=5x2+4x-19 and y=4x+1. I thought the answer would only be x=something and y=something but apparently there is x=something, y=something and then another row of... more
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Maths Algebra

03/19/21

Simplify a term
Simplify (27x6)1÷3.I thought you would just multiply the exponents which would give you 27x2 but apparently the answer is 3x2? Any help would be greatly appreciated :).
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Maths

03/18/21

Volume - Maths Question (year 10 advanced class)
Start with a rectangular sheet of paper, measuring 8 cm by 11 cm. Cut out squares from each corner. What is the length of the sides of each square that is cut out in order to create a box with... more
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03/17/21

What is the single iterated integral of a continuous function f over the following region.
The region bounded by the triangle with vertices (0,0),(30,0), and (15, 3)._ _∫ ∫ f(x,y) ____ _
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Maths Math Math Science

03/15/21

How do I convert mmol/g to μmol/L?
Hello,How do I convert mmol/g to μmol/L?Specifically, 282±374.77 (Mean±SD) mmol/g to μmol/L?and 65±56.57 (Mean±SD) mmol/g to μmol/L?Many ThanksA.M.
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03/15/21

In triangleABC, median lineAM is drawn. Given A(3,4), B(4,-3), and C(8,2), determine the coordinates of M.
In triangleABC, median lineAM is drawn. Given A(3,4), B(4,-3), and C(8,2), determine the coordinates of M.
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03/14/21

How to convert the decimal 48.365 to binary?
Please explain the part after the point carefully, I am weak in decimal-related divisions.....
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03/14/21

I need help solving this problem along with how to solve it.
The force required to keep a car from skidding in a turnvaries jointly with the mass of the car m, the square of itsspeed v, and the curvature k of the turn. The curvature is thereciprocal of the... more
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03/14/21

Can you please solve this set/probability math?
Out of 500 candidates, 160 failed in Mathematics, 155 in Physics, 135 in English, and 55 in all three. What is the probability of failing at least 2 subjects again if the failing candidate from the... more
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Maths Math

03/12/21

 Which inequality represents the following number line?
. Which inequality represents the following number line:a. x < -10b . x > -10c. x -10 d, x -10
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03/12/21

How do we find the number of triangles in the given image quickly?
The question requires you to find it within a minute in IQ tests that have time limit, is there a formula to solve this quickly? Please help with this problem, here is the image:
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03/12/21

ANSWER ASAP PLEASE

Ms. Davis has a jar with $9.84 worth of pennies and dimes. If there are four times as many dimes as pennies, how many pennies and dimes does Ms. Davis have? Show your work and use variables. Use... more
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03/10/21

Is ∀ x, ∃ y, 3x^2−2y=5 true or false?
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03/09/21

n: 8.4 + n = 19.32
Solve for n: 8.4 + n = 19.32a.10.92b.15.78c.20.72d.27.72
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Maths Math Act

03/09/21

Which operation comes first to solve: 9 x (2 + 9) - 4
Which operation comes first to solve: 9 x (2 + 9) - 4
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03/09/21

math word question
The ratio of boys to girls in the schools’ math team is six to seven. Which combinations of boys to girls could the team have?
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03/08/21

What is the absolute max and min value?
The function f(x, y, z)=(xyz)1/2has an absolute maximum value and absolute minimum value subject to the constraint x+y+z=7 with x≥0, y≥0, and z≥0. Use Lagrange multipliers to find these values.The... more
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03/08/21

Work out what this is in mls/hour then mls/24 hours (day). Show your workings

I need help with this question
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03/07/21

If a square has an area of 4x^2−20x+25 square inches, what is the length of each side in inches?
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03/07/21

The length of a rectangle is 3x−4 units, and the area is 3x^2+2x−8 square units. In terms of x, what is the perimeter of this rectangle in units?
Find the perimeter of the rectangle in units using the given information
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03/06/21

Simple permutation math urgent help requested.
Determine how the letters of the word ‘Equation’ can be arranged by placing the consonants in odd places?(I know the answer 2880, I need to know how to do this type of maths, please show step by step) more
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Maths Chemistry

03/06/21

How to find the density of a mixture
water and oil are mixed in the ratio of 3:5. Find the density of the mixture if the density of water is 1g/cm3 and the density of oil is 0.8g/cm3
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03/05/21

Math Question Help Me
Advice from most financial advisers states to spend no more than​ 28% of​ one's gross monthly income for one's mortgage​ payment, and to spend no more than​ 36% of​ one's gross monthly income... more
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03/05/21

For each value of​ x, find the corresponding value for​ f(x).
f(x) = (1/2)^xFor each value of​ x, find the corresponding value for​ f(x).x: -2, -1, 0, 1, 2f(x) = (1/2)^x: __, __, __, __, __​(Simplify your​ answers.)
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