6,969 Answered Questions for the topic mathematics

Mathematics Math Maths

11/26/21

Help me answer this question, please.
M varies directly as N. If M = 20, then N = 5. Determine the constant of variation.
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11/26/21

What would be the daily dose for a newborn weighing 5.6 lb?
If the dose of gentamicin for premature and full-term neonates is 2.5 mg/kg administered every 12 hours.
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11/25/21

Need help related to MATLAB PLEASE ASAP
Evaluate the integral of the following tabular data using function quad in MATLABx 0 0.1 0.2 0.3 0.4 0.5f(x) 1 8 4 3.5 5 1
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11/25/21

FINDING THE MISSING VALUE OF SIMPLE INTEREST
1 . GIVEN:Principal = 25,000 dollarsRate = ?Time = 4 years and 5 monthsInterest = ?Maturity Value = 19,000 dollars2 . GIVENPrincipal = 50,000 dollarsRate = 0.005%Time = ?Interest = 2750Maturity... more
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Mathematics Math Integers

11/24/21

2. The sum of 3 times a larger integer and 3 times a smaller integer is 15. When twice the smaller integer is subtracted to thrice the larger, the result is 20. Find the integers.
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Mathematics

11/23/21

An equation is given.
sin(2θ)=4cos(2θ)(a). Find all solutions of the equation. θ=?(b). Find the solutions in the interval [0, 2 pi ). θ=?
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Mathematics

11/23/21

Solve the equation by factoring.

4sin(θ)cos(θ) + 2 sin(θ) - 2 cos(θ)-1 =0 θ=?
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Mathematics

11/23/21

Write the ratio as a ratio of whole numbers in lowest terms
Write the ratio as a ratio of whole numbers in lowest terms$0.50 to $0.20
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Mathematics Math Algebra 1 Algebra 2

11/23/21

determine if ΔFGH and ΔJKL are congruent. If they are give the reason if they aren't choose "not congruent". F(-5, 10), G(-2, 2), H(-9, -7), J(0, -5), K(9, 2), L(-8, -2)

enter them to the nearest tenth. Plz help me. I really need to answer this in a time limit of 15 minutes.
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Mathematics

11/22/21

12. Write the equation in slope-intercept form of the line that passes through (4, −5) and is perpendicular to the graph of y = 4x + 12.
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Mathematics

11/22/21

12. Write the equation in slope-intercept form of the line that passes through (4, −5) and is perpendicular to the graph of y = 4x + 12.
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Mathematics Calculus Precalculus

11/22/21

A national fast food company has just analyzed the effect of the latest sales promotion.
A national fast-food company has just analyzed the effect of the latest sales promotion.It has determined that the sales decay for its milkshakes is given by S=360,000e−0.6x, where S is the weekly... more
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Mathematics Math Variation

11/22/21

Find the pay for 35 hours of work.
A person's salary (P) varies directly as a number of hours (h) of hours of work. For working 15 hours, the pay is $29.60. Find the pay for 35 hours of work.
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Mathematics College Algebra

11/22/21

The polynomial of degree 4, P(x), has a root of multiplicity 2 at x=0 and x=-1. It goes through the point of (5,21). Find a formula for P(x).
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Mathematics College Algebra

11/22/21

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=5 and a root of multiplicity 1 at x=−4. The y-intercept is y=-10; Find a formula for P(x)
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Mathematics Math Algebra 2 Maths

11/21/21

please help me with this

Use log 2 = 0.3010 and log 3 = 0.4771 to evaluate each of the following expressions.(a) log 6(b) log root 3 base 10
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Mathematics Math Algebra 1 Algebra 2

11/20/21

Finding A and B with (E)... 4x² + (2√2 - 2)x - √2 = 0
(E)... 4x² + (2√2 - 2)x - √2 = 0We need to calculate A and B without Calculating x1 and x2 from (E)A = (1/x1²) + (1/x2²)B = (1/x2-1) + (1/x1-1)
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Mathematics Statistics

11/20/21

Find the standard deviation

Find the standard deviation of 2,4,6,8,10, 12 , …,2n where n is a natural number
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Mathematics Probability

11/19/21

What is the probability that a group of five friends all have different birthdays?
type of problem: (counting methods and probability) (probability of an event not occurring given multiple opportunities.)
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Mathematics

11/19/21

Solve the following quadratic equation z²-4zi+4i=7
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Mathematics

11/18/21

Finding the dimensions
The length of a rectangle is 11 meters less than three times its width. Its area is 364 square meters. What are the dimensions of the rectangle?
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Mathematics

11/18/21

probability module 9

You roll a 6-sided die. What is the probability that you will roll either a 3 or a 4?=You flip a 2-sided coin. What is the probability that you will get either heads or tails?=
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Mathematics Math Calculus Trigonometry

11/18/21

Find the maximal area of a right triangle with hypotenuse of length 5.
Find the maximal area of a right triangle with hypotenuse of length 5.
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Mathematics

11/17/21

If the base is 10 then the given logarithm is a natural logarithm.

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11/17/21

A function f(x) and interval [a,b] are given. Check if the Mean Value Theorem can be applied to f on [a,b].

A function f(x) and interval [a,b] are given. Check if the Mean Value Theorem can be applied to f on [a,b]. If so, find all values c in [a,b] guaranteed by the Mean Value Theoremf(x) = √ (9 - x2) ... more
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