Mathematics

A yeast manufacturer finds that the yeast will grow exponentially at a rate of 12.0% per hour. How ...

A yeast manufacturer finds that the yeast will grow exponentially at a rate of 12.0% per hour. How ...

A yeast manufacturer finds that the yeast will grow exponentially at a rate of 12.0% per hour.

How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h?

5seal   206   1 Reply

bio_man

The oil consumption of a certain country was 11.0 million barrels in 2010, and it grows at an annual ...

The oil consumption of a certain country was 11.0 million barrels in 2010, and it grows at an annual ...

The oil consumption of a certain country was 11.0 million barrels in 2010, and it grows at an annual rate of 9.50%. Find the oil consumption by the year 2016.

5seal   218   1 Reply

Nkolika27

A flywheel decreases in speed exponentially at the rate of 3.00% per minute.

A flywheel decreases in speed exponentially at the rate of 3.00% per minute.

A flywheel decreases in speed exponentially at the rate of 3.00% per minute.

Find the speed after 40.0 min if the initial speed is 3250 rev/min.

5seal   212   1 Reply

bio_man

A quantity grows exponentially at a rate of 2.00% per day for 10.0 weeks.

A quantity grows exponentially at a rate of 2.00% per day for 10.0 weeks.

A quantity grows exponentially at a rate of 2.00% per day for 10.0 weeks. Find the final amount if the initial amount is 500 units.

5seal   163   1 Reply

bio_man

Write the equation for the number N (this is your y) of bacteria as a function of time (in terms of ...

Write the equation for the number N (this is your y) of bacteria as a function of time (in terms of ...

A bacterial sample contains 2950 bacteria and grows at a rate of 6.05% per hour. Assuming that the bacteria grow exponentially,

a) Write the equation for the number N (this is your y) of bacteria  as a function of time (in terms of t)

5seal   168   1 Reply

bolbol

Given the functions g(x)=3x−5 and f(x)=7x2, write the composite function f[g(x)].

Given the functions g(x)=3x−5 and f(x)=7x2, write the composite function f[g(x)].

Given the functions g(x)=3x−5 and f(x)=7x2, write the composite function f[g(x)].

5seal   145   1 Reply

bio_man

Write the equation in general form of the line passing through the point (3,2) and perpendicular to ...

Write the equation in general form of the line passing through the point (3,2) and perpendicular to ...

Write the equation in general form of the line passing through the point (3,2) and perpendicular to the line y = 3x-7.

5seal   171   1 Reply

bio_man

What is the difference between a sequence and a series?

What is the difference between a sequence and a series?

Thanks

5seal   65   1 Reply

habiba

How Do I Solve These Equation For The Variable?

How Do I Solve These Equation For The Variable?

2x + 7 = 18.     3x + -6 = -1.     -9x + -7 = 4. I would like an explanation showing the steps to solving the equation and a verbal explanation. Thank you Ladies, and Gentlemen.

8kjw3   295   3 Replies

c2huihui

How to find the value/s of k to determine the number of solutions of a linear system?

How to find the value/s of k to determine the number of solutions of a linear system?

Find the value/values of k so that the given linear system has
(a) infinitely many solutions
(b) no solution
(c) a unique solution

2x+2ky = 7
2kx + 2y = -7

i don't get how this process works can somebody explain

8kjw3   905   1 Reply

smileyprincess111

Please explain in detail using system of equations?

Please explain in detail using system of equations?

Please explain/show process in detail using the system of equations for the below word problem:

A flat rectangular piece of aluminun has a perimeter of 60 inches. The length is 14 inches longer than the width. Find the width.

92star   406   1 Reply

Alexx

math

math

At 0630 the nurse calls to report to the healthcare provider, who prescribes the following: admit to labor and delivery, bedrest with bathroom privileges (BRP), IV D5LR at 125 ml/hr, oxytocin (Pitocin) 2 mu/min, CBC with platelets, clotting st

aabushtaiah   1119   1 Reply

padre

Find the slope then describe what it means in terms of the rate of change of the dependent variable ...

Find the slope then describe what it means in terms of the rate of change of the dependent variable ...

[html]Find the slope then describe what it means in terms of the rate of change of the dependent variable per unit change in the independent variable.

The linear function f(x) = -9.8x + 24 models the

AalvtynaSiz   287   1 Reply

Mikayla15

WHY is the magnetic force perpendicular to a electric carrying wire?

WHY is the magnetic force perpendicular to a electric carrying wire?

I know that the magnetic force in an electric current wire is always perpendicular to the wire. Hence the compass needle aligns with the magnetic force and also becomes perpendicular. I really need to know HOW and WHY the magnetic force is perpendicu

aap216   515   3 Replies

_vibram_

geometry help, proofs,

geometry help, proofs,

Can someone PLEASE HELP EXPLAIN GEO TO MEE?

The proofs specially!

aarcp   404   1 Reply

bio_man

The trigonometric identity?

The trigonometric identity?

I need help now. Someone help me, please.
Use the trigonometric identity to find the value of angel

sin (2Q) + cos (2Q) = 0

Q= angel

Thanks you.

abciara101   510   1 Reply

abcrombie7

Bob and Mary start traveling toward each other from 480 miles apart, each moving at the same speed. ...

Bob and Mary start traveling toward each other from 480 miles apart, each moving at the same speed. ...

Bob and Mary start traveling toward each other from 480 miles apart, each moving at the same speed. They meet after four hours. How fast were they each traveling?

abdallaex   53   1 Reply

heathernhull

Stoney Beer sold 42,000 canned beers in 2021 at an average price of $1.50 per can. Production was ...

Stoney Beer sold 42,000 canned beers in 2021 at an average price of $1.50 per can. Production was ...

[html]Stoney Beer sold 42,000 canned beers in 2021 at an average price of $1.50 per can. Production was down to 38,000 cans in 2022 because of a strike in the brewery, but the average price obtained was $1.72 per can. What was the percent change from

abdallaex   41   1 Reply

alexisgardner09

A retailer marks up all cosmetic products to allow for overhead expenses of 40% of cost and ...

A retailer marks up all cosmetic products to allow for overhead expenses of 40% of cost and ...

[html]A retailer marks up all cosmetic products to allow for overhead expenses of 40% of cost and operating profit of 25% of cost. If a product does not sell within two months, the product is marked down to its break-even price. What rate of markdown

abdallaex   30   1 Reply

djl4909

A manufacturer produces a product which it sells for $60 per unit. The variable cost per unit is $20 ...

A manufacturer produces a product which it sells for $60 per unit. The variable cost per unit is $20 ...

[html]A manufacturer produces a product which it sells for $60 per unit. The variable cost per unit is $20 and the fixed cost per month is $10,000.Determine the monthly profit (loss) if it sells 325 units per month.

▸ $1500

▸ ($1500)

▸ $

abdallaex   48   1 Reply

apina

Stavros sells gold and green fabric in his drapery store. Each quarter he buys the same quantities ...

Stavros sells gold and green fabric in his drapery store. Each quarter he buys the same quantities ...

[html]Stavros sells gold and green fabric in his drapery store. Each quarter he buys the same quantities from his supplier. On his last order he paid $18 per metre for the gold fabric and $20 per metre for the green fabric, totalling $2290. The suppl

abdallaex   43   1 Reply

DPhoenix

Potter loaned his brother $2,500 to purchase a used car. If Potter's brother paid a simple interest ...

Potter loaned his brother $2,500 to purchase a used car. If Potter's brother paid a simple interest ...

[html]Potter loaned his brother $2,500 to purchase a used car. If Potter's brother paid a simple interest rate of 0.2% per month. What was the term of the loan if the total interest came to $45?

▸ 7 months

▸ 6 months

▸ 11 months

▸ 13 months

▸ 9

abdallaex   72   1 Reply

duhello

Calculate the equivalent value of the scheduled payment on the indicated date. Scheduled PaymentDate ...

Calculate the equivalent value of the scheduled payment on the indicated date. Scheduled PaymentDate ...

[html]Calculate the equivalent value of the scheduled payment on the indicated date.

abdallaex   47   1 Reply

Dratini

Calculate the missing interest rate (to the nearest 0.01%) Nominal RateEffective Rate? compounded ...

Calculate the missing interest rate (to the nearest 0.01%) Nominal RateEffective Rate? compounded ...

[html]Calculate the missing interest rate (to the nearest 0.01%)Nomina

abdallaex   32   1 Reply

rl679

Rounded to the nearest month, how long will it take an investment to double if it earns: a) 8.4% ...

Rounded to the nearest month, how long will it take an investment to double if it earns: a) 8.4% ...

Rounded to the nearest month, how long will it take an investment to double if it earns: a) 8.4% compounded annually? b) 10.5% compounded semiannually?

abdallaex   59   1 Reply

OCboba

What effective rate of interest is equivalent to a nominal rate of 19.214% compounded monthly?

What effective rate of interest is equivalent to a nominal rate of 19.214% compounded monthly?

What effective rate of interest is equivalent to a nominal rate of 19.214% compounded monthly?

▸ 1.210%

▸ 21.000%

▸ 14.530%

▸ 22.000%

▸ 17.704%

abdallaex   72   1 Reply

inhibitor128

Chips' Appliance Centre is advertising HD Projectors for nine monthly payments of $249, including a ...

Chips' Appliance Centre is advertising HD Projectors for nine monthly payments of $249, including a ...

[html]Chips' Appliance Centre is advertising HD Projectors for nine monthly payments of $249, including a payment on the date of purchase. What cash price should Chip accept if it would otherwise sell the conditional sale agreement to a finance compa

abdallaex   35   1 Reply

richardbugg

Determine the unknown value for the following deferred annuity. The annuity is understood to be an ...

Determine the unknown value for the following deferred annuity. The annuity is understood to be an ...

[html]Determine the unknown value for the following deferred annuity. The annuity is understood to be an ordinary annuity after the period of deferral.

abdallaex   41   1 Reply

hemmatmahdi12

Evergreen Landscaping is applying for a loan. Your help is needed to determine how much they can ...

Evergreen Landscaping is applying for a loan. Your help is needed to determine how much they can ...

[html]Evergreen Landscaping is applying for a loan. Your help is needed to determine how much they can borrow. They will not be able to make any payments for the first 18 months. After that, they will make payments of $750 per month for five years. T

abdallaex   38   1 Reply

frithne

The John Deere Corporation has issued $10,000,000 in bonds and they are required to set up a sinking ...

The John Deere Corporation has issued $10,000,000 in bonds and they are required to set up a sinking ...

[html]The John Deere Corporation has issued $10,000,000 in bonds and they are required to set up a sinking fund that will provide enough money to retire 80% of the bond issue when it matures in 25 years. They will make equal semiannual deposits that

abdallaex   39   1 Reply

Hello32hello3

can someone please help me prove this trigonometric identity?

can someone please help me prove this trigonometric identity?

can someone please tell me how to do this:
sec^4x - tan^4x = 1 + 2tan^2x

Abdelrhaman   453   1 Reply

0248

Given three vertices of a triangle, to determine if the triangle is a right triangle, we must use: ...

Given three vertices of a triangle, to determine if the triangle is a right triangle, we must use: ...

Given three vertices of a triangle, to determine if the triangle is a right triangle, we must use:
 
  (a) Slope formula.
  (b) Distance formula and Pythagorean Theorem.
  (c) Midpoint formula.
  (d)

Abisf   118   1 Reply

nena1107

Is it possible to construct a quadratic equation with a known vertex, x-intercept and integral value?

Is it possible to construct a quadratic equation with a known vertex, x-intercept and integral value?

Say if I want the function to be a negative quadratic equation (like a sad face) that passes through (0,0), has a vertex at (20,60) and its integral is equal to roughly 1000. Is this possible to construct?

absolutezer0   466   5 Replies

tonki

Help proving a trigonometric identity?

Help proving a trigonometric identity?

Can someone explain to me how to prove this trigonometric identity? I am really lost and any help is appreciated. 
Verify this Identity (1+sec(-theta))/(sin(-theta)+tan(-theta) = -csc(theta)

abushy5   815   3 Replies

bio_man

Trigonometric identity need help?

Trigonometric identity need help?

I need help to verify the identity tan^2x sec^2x - sec^2x+1 = tan^4x  I need step by step proof of how to solve it. i keep coming up with sec^2 for left side.

abushy5   626   2 Replies

duddy

I dont understand how to do this math

I dont understand how to do this math

 write the equation for a line that passes through ( 10,- 5 and (-5, 1)

Ace w   142   1 Reply

bio_man

Use Fleury’s algorithm to determine Euler Circuit in the following graph. Exhibit exactly one ...

Use Fleury’s algorithm to determine Euler Circuit in the following graph. Exhibit exactly one ...

Acer Matthew Asistio   139   1 Reply

bio_man

Solve the solution set of the following system using Graphical Method.

Solve the solution set of the following system using Graphical Method.

Acer Matthew Asistio   148   4 Replies

Acer Matthew Asistio

Find the midrange for the group of data items.100, 100, 94, 42, 75, 100

Find the midrange for the group of data items.100, 100, 94, 42, 75, 100

[html]Question 1.Find the midrange for the group of data items.

11, 8, 4, 8, 2, 4, 2

▸ 6.5

▸ 9.5

▸ 5

▸ 7.5Question 2.

achalmers   35   1 Reply

eltoro

The scores on a driver's test are normally distributed with a mean of 100. Find the score that ...

The scores on a driver's test are normally distributed with a mean of 100. Find the score that ...

[html]Question 1.The scores on a driver's test are normally distributed with a mean of 100. Find the score that is:

Find the score that is 3 standard deviations above the mean

achalmers   37   1 Reply

mcwieck