All Questions

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981

1

The half-life of radium is 1620 years

The half-life of radium is 1620 years. If a laboratory has 12 grams of radium, how long will it take before it has 4 grams of radium left?

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Guest Oct 20, 2020

0

350

0

Calcule as derivadas parciais:

z= (x^2)-(3y^3)+(4x^2y^3)

Guest Oct 20, 2020

0

506

1

six-sided die four times

If I roll a fair, regular six-sided die four times, what is the probability that I will roll the number 3 exactly once?

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Guest Oct 20, 2020

0

618

3

function

Let

f(x) = 2x^2 - 3 if x <= 2
f(x) = ax - 7 if x > 2 read more ..

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Guest Oct 20, 2020

0

578

1

f(x) = 3x - 1. What is f(f(f(17)))?

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Guest Oct 20, 2020

0

651

2

A movie is shown 6 times every day from November 24 through December 19. How many times was the movie shown in all?

A movie is shown 6 times every day from November 24 through December 19. How many times was the movie shown in all?
(Note: The month of November has 30 days.)

A. 162 read more ..

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Guest Oct 20, 2020

0

680

3

+167

GEOMETRY

a and b please help. Thank you if you do! :D

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kijijij Oct 20, 2020

0

571

1

There are values A and B

There are values A and B such that (x + B) / (x^2-7x+10) = A/(x-2) + 3/(x-5).

Find A+B

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Guest Oct 20, 2020

0

530

1

Hard math.

The football team has a total of 25 jerseys. There are 10 medium-sized jerseys. What percent of the jerseys are medium-sized jerseys?

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Guest Oct 19, 2020

0

550

2

HELp

Whats 0 divided by 0?

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Guest Oct 19, 2020

0

723

1

a varies inversely with b^2

Suppose that a varies inversely with b^2. If a=9 when b=2, find the value of a when b=8 .

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Guest Oct 19, 2020

0

401

1

Find all values of r such that floor(r) + r = 13.2.

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Guest Oct 19, 2020

0

1220

1

There are two mixtures of paint,

There are two mixtures of paint,

Mixture A is made with 5 cups of purple paint and 2 cups of white paint.
read more ..

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Guest Oct 19, 2020

0

758

2

The letters of the alphabet are given numeric values based on the two conditions below. Only the numeric values of -2,-1,0,1 and 2 are used.

The letters of the alphabet are given numeric values based on the two conditions below.
Only the numeric values of -2,-1,0,1 and 2 are used.
Starting with A and going through Z, a numeric value is assigned to each letter according read more ..

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Guest Oct 19, 2020

0

590

1

asymptotes

A function f has a horizontal asymptote of y = -4, a vertical asymptote of x = 8, and an x-intercept at (2,0).

Let f be of the form
read more ..

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Guest Oct 19, 2020

0

575

1

a baseball was thrown strait up reaches a maximum height of 14m what is the acceleration experienced by the ball?

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Guest Oct 19, 2020

0

560

1

+16

marketing

In one day, Joey's Discount CD store has the following sales for each type of music: heavy metal - $99.50 / rap - $125.87 / country - $101.44 / pop - $218.00 / jazz - $36.75. What percentage of the day's sales were for country music? *
(also read more ..

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leenao7 Oct 19, 2020

0

429

1

4 balls in 3 boxes

How many ways are there to put 4 balls in 3 boxes if two balls are indistinguishably green, one ball is red, one ball is blue, and the boxes are distinguishable?

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Guest Oct 19, 2020

0

625

1

+16

marketing math

During the first quarter of the Super Bowl, Chris keeps track of actual game time vs. time devoted to commercials. Game time amounted to 35 minutes; commercials comprised 14 minutes. What fraction of the total time was the actual game shown? * read more ..

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leenao7 Oct 19, 2020

0

529

1

+16

please help

Debbie earns $8.75/hour at the dress shop, plus a 4% commission on all sales. She works from 2-7 p.m. on Tuesday and Thursday this week and her total sales are $2,075.00. How much does Debbie earn this week? *

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leenao7 Oct 19, 2020

0

382

0

marketing math question #3

Debbie earns $8.75/hour at the dress shop, plus a 4% commission on all sales. She works from 2-7 p.m. on Tuesday and Thursday this week and her total sales are $2,075.00. How much does Debbie earn this week? *

Guest Oct 19, 2020

0

688

1

x,y , and z are positive real numbers

If x,y , and z are positive real numbers satisfying:
log(x/y) = a
log(y/z) = 15
log(z/x) = -1 read more ..

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Guest Oct 19, 2020

0

434

2

I need help asap

in the SuperLottery, three balls are drawn (at random) from ten white balls numbered from $1$ to $10$, and one SuperBall is drawn (at random) from ten red balls numbered from $11$ to $20$. When you buy a ticket, you choose three numbers from $1$ to $10,$ read more ..

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Guest Oct 19, 2020

0

392

1

positive real number

The value of (1 + i)^16 is a positive real number. What is it?

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Guest Oct 19, 2020

All Questions ⁺⁰237722 Questions

The half-life of radium is 1620 years

Calcule as derivadas parciais:

six-sided die four times

function

f(x) = 3x - 1. What is f(f(f(17)))?

A movie is shown 6 times every day from November 24 through December 19. How many times was the movie shown in all?

GEOMETRY

There are values A and B

Hard math.

HELp

a varies inversely with b^2

Find all values of r such that floor(r) + r = 13.2.

There are two mixtures of paint,

The letters of the alphabet are given numeric values based on the two conditions below. Only the numeric values of -2,-1,0,1 and 2 are used.

asymptotes

a baseball was thrown strait up reaches a maximum height of 14m what is the acceleration experienced by the ball?

marketing

4 balls in 3 boxes

marketing math

please help

marketing math question #3

x,y , and z are positive real numbers

I need help asap

positive real number

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