Raymond B.

Math

04/21/22

help me rn because i said so

There are two red jars of marbles and one blue jar of marbles. Jars of a certain color have the same number of marbles in them. There are 47 marbles in total. The difference between the number of... more

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Math

04/21/22

help me with this please

Two trains, Train A and Train B, weigh a total of 144 tons. Train A is heavier than Train B. The difference of their weights is 92 tons. What is the weight of each train?

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Math 7th Grade Math

04/21/22

math 7th grade math

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Math

04/21/22

Who should get the promotion, and why?

Tammy and Wyatt are sales associates at the same used car dealership. Their supervisor is planning to promote the employee with the best sales numbers, on average. The box plots below show their... more

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Math

04/21/22

Find all x for which f(x) = g(x)

f(x) = 4 − x; g(x) = ( 5 + x x < 0 (x ^2 + 2 x ≥ 0

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Maths Mathematics Quadratic Equation

04/21/22

Find k, so that the quadratic equation (k+1)x 2 −2(k+1)x+1=0 has equal roots.

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Math Calculus Maths

04/21/22

Compute the test statistic t

Medical literature tells us that our blood is mainly composed of red and white corpuscles and a normal human body must average 7250/mm3 of white blood cell counts. If a sample of 15 individuals... more

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Functions

04/21/22

Find f(x) and g(x) such that h(x)=(f@g)(x)

h(x)=√3x+6Suppose that g(x)=3x+6f(x)=

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Math Calculus Precalculus

04/21/22

A box has a square base of side 𝑥 and height ℎ.

(a) Find the dimensions 𝑥, ℎ for which the volume is 24 and the surface area is as small as possible. (Use symbolic notation and fractions where needed.) 𝑥= ℎ=(b) Find the dimensions 𝑥, ... more

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College Algebra

04/21/22

How many years would it take a 2000 gram sample to decay to only 400 grams?

The rate of decay for a particular type of radioactive particle is relatively constant, and can be represented using the equation (- In 2) N (t) = Nee 3 Where t is time, N is the mass of the... more

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Probability

04/21/22

Normal Curve Applications

The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 24 minutes and a standard deviation of 7 minutes. Find the probability that a randomly... more

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Math Geometry Trigonometry

04/20/22

Just would like to know the answer to this question.

What conjecture can you make about the tangent of complementary angles?

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Math

04/20/22

its a math question in one of my edias

Grace and her friends just dined at a restaurant and left a tip of $28.21, which was equal to exactly 27% of the total bill. What was the total bill in dollars? Round your answer to two decimal... more

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Math Trigonometry High School Math

04/20/22

Proving Trig Identities

So, I've been learning proofs since I was in about 8th grade math. But I can't grasp it no matter how many times its explained to me. Its one of those things that makes sense when someone else does... more

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Mathematics Easy Math

04/20/22

Reflecting Coordinates

As this question may seem easy, I do have trouble with it. When reflecting a coordinate across an axis, what is 4, -6 across the X Axis, and 4, -6 across the Y Axis?

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Math

04/20/22