All Questions

525

+113

Can somebody please help?

Right now Mr. Rob is three times as old as his oldest son. The sum of their ages is 64. How old are they?
Answer all parts to the question below. Be sure to label each part with: a, b, c, d, or e.

a) Write a let statement read more ..

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joeman365 Mar 8, 2021

530

+113

Can Somebody Please Help?

Scientists estimate that the number of polar bears in Alaska in 2015 was 4,023. By the year 2018, that number had dropped to 3,711. The scientists want to model the polar bear population, p, as a function of the years, t, since 2000. read more ..

joeman365 Mar 8, 2021

768

ratio

The ratio of the number of boys to the number of girls in a choir is 5 to 4. There are 60 girls in the choir. How many boys are in the choir?

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Guest Mar 8, 2021

483

help asap now pls i need it urgently

The graph of the function is shown below. How many values of satisfy ?

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Guest Mar 8, 2021

564

+526

Algebra

If x, y abd z are positive with xy=24, xz=48 and yz=72, what is the value of x+y+z?

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amygdaleon305 Mar 8, 2021

514

geometric sequence

What is the sum of the geometric sequence 2, 10, 50, ... if there are 7 terms?

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Guest Mar 8, 2021

435

I don't understand this!

Let f(x) be a quadratic polynomial such that f(-4) = -22, f(-1) = 2, and f(2) = -1. let g(x) = f(x)16. Find the sum of the coefficients of the terms in g(x) with even exponents. (for example, the sum of the coefficients of the terms in -7x3 + 4x2 + read more ..

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Guest Mar 8, 2021

434

w*f

algebra

Paddling with the current, a canoeist can travel 30 km in 5 hours. Against the current, the canoeist takes 6 hours and 15 minutes to travel the same distance. Find the rate of the canoeist in still water and the rate of the current.

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Guest Mar 8, 2021

581

equation

Find all values of t such that 6^(3t - 1) = 36^t.

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Guest Mar 8, 2021

451

geometry work

help plz

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Guest Mar 8, 2021

539

Given the length of the rectangle is 1/3 times the width. The perimeter is 24cm. What is the area of the rectangle?

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Guest Mar 8, 2021

648

slope-intercept form

Put the following equation of a line into slope-intercept form, simplifying all fractions.

12x - 4y = -12

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Guest Mar 8, 2021

433

linear equation

Solve the following equation for x. Express your answer in the simplest form.

8(2x - 4) = -4(-4x + 8)

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Guest Mar 8, 2021

546

Geomatry help please

The two externally tangent circles each have a radius of 1 unit. Each circle is tangent to three sides of the rectangle. What is the area of the shaded region? Express your answer in terms of pi read more ..

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Guest Mar 8, 2021

432

help geo

What is arc CD?

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Guest Mar 8, 2021

-1

668

algebra question

The mean age of 5 boys is equal to 9.8. Furthermore, the mean age of 15 girls is 10.2. The mean age of the 20 children together is equal to?

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Guest Mar 8, 2021

616

Help please!

Let a and b be real numbers such that a^3+3ab^2=679 and 3a^2*b+b^3. Find a+b.

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Guest Mar 8, 2021

1141

tangent

UV is tangent to W at point U. What is the value of x?

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Guest Mar 8, 2021

471

help please

A man is trying to enclose a round pasture. He has 240 feet of fence. How big(area) of a pasture can he enclose?

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Guest Mar 8, 2021

450

Help

The faces of an octahedral die are labeled with digits 1 through 8. What is the probability, expressed as a common fraction, of rolling a sum of 15 with a pair of such octahedral dice?

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Guest Mar 8, 2021

446

hemisphere

The area of the base of a hemisphere is 100pi. What is the radius of the hemisphere?

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Guest Mar 8, 2021

340

helpp

When solving word problems, it is important to _____.
identify variables
line up equal signs
label answer
show all work <#> all the above

Guest Mar 8, 2021

434

arithmetic sequence

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term? PLEASE HELP!

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Guest Mar 8, 2021

638

+215

Please help, show and/or explain your work, help ASAP

I figured out the other one, now I have a new one.

A rectangular tank with a base area of 24 cm2 is filled with water and oil to a depth of 9 cm. The oil and water separate into two layers when the oil rises to the top. If the read more ..

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alston Mar 8, 2021

All Questions ⁺⁰238401 Questions

Can somebody please help?

Can Somebody Please Help?

ratio

help asap now pls i need it urgently

Algebra

geometric sequence

I don't understand this!

w*f

algebra

equation

geometry work

Given the length of the rectangle is 1/3 times the width. The perimeter is 24cm. What is the area of the rectangle?

slope-intercept form

linear equation

Geomatry help please

help geo

algebra question

Help please!

tangent

help please

Help

hemisphere

helpp

arithmetic sequence

Please help, show and/or explain your work, help ASAP

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