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1660

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What are the coordinates of the point on the line $5x-9y=42$ such that the $x$ and $y$ coordinates are the additive inverses of each other? Express your answer as an ordered pair.

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Guest Dec 6, 2017

841

+154

Help Please

Thanks

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FunMath Dec 6, 2017

1725

If prices increase at a monthly rate of 10, 000 %,

If prices increase at a monthly rate of 10, 000 %, by what percentage do they increase in a year? In a day? (Assume 30 days per month.) The annual inflation rate is about _____ times 10 ^_____%.
(Type whole numbers.)

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Guest Dec 6, 2017

4923

help please

The drug Valium is eliminated from the bloodstream exponentially with a half-life of 36 hours. Suppose that a patient receives an initial dose of 40 milligrams of Valium at midnight.
a. How much Valium is in the patient's blood at noon on the read more ..

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Guest Dec 6, 2017

3316

help please

A certain element has a half life of 1.5 billion years. a. You find a rock containing a mixture of the element and lead. You determine that 65 % of the original element remains; the other 35 % decayed into lead. How old is the rock?
b. Analysis read more ..

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Guest Dec 6, 2017

558

pizza math

Kayla has 3/8 of a pizza left. She wants to divide it equally among herself and her friend. What fraction of the pizza does each person get?

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Guest Dec 6, 2017

712

+1495

Help me Please

Help me Please
Solve the System for x and y

{12/x + 5/y = 8 read more ..

hectictar ●

ManuelBautista2019 Dec 6, 2017

1066

i really need help - sequence notation and equation stuff

John has taken out a loan for college. He started paying off the loan with a first payment of $100. Each month he pays, he wants to pay back 1.1 times the amount he paid the month before. Explain to John how to represent his first 20 payments in sequence read more ..

Guest Dec 6, 2017

855

+225

The annual percentage rate is _____ %.

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cassie19 Dec 6, 2017

921

+225

Help with this so I can figure out how to calculate this annual percentage

Find the annual percentage rate using the annual percentage rate table. Here are some conditions of the loan.

Amount Financed $3700 read more ..

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cassie19 Dec 6, 2017

1189

+225

Find the interest charge added to the account balance at the end of the first, second, and third months.

Suppose you purchase $3300 worth of flooring on an account charging 2.044% interest per month on the account balance. Find the interest charge added to the account balance at the end of the first, second, and third months.

The interest read more ..

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cassie19 Dec 6, 2017

1020

+394

Assume no purchases or returns are made in the exercise given below.

Assume no purchases or returns are made in the exercise given below. At the beginning of a 31-day billing period, Sandra Lazzaro has an unpaid balance of $850 on her credit card. Three days before the end of the billing period, she pays $400. Find read more ..

ladiikeiii Dec 6, 2017

1097

help with equation stuff plz?

Sam is observing the velocity of a car at different times. After three hours, the velocity of the car is 53 km/h. After six hours, the velocity of the car is 62 km/h. Write an equation in two variables in the standard form that can be used to describe the read more ..

hectictar ●●

Guest Dec 6, 2017

1257

Help!

What is the explicit rule for this geometric sequence?
4, 4/5, 4/25, 4/125,…

read more ..

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Guest Dec 6, 2017

1742

Combinatorics

In how many ways can you write 20 as a sum of three counting numbers?

One Way: 1+18+1
Not a Way: 1+1+1+17 read more ..

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Guest Dec 6, 2017

867

+71

Geometrical applications of calculus

x+4/x2
Can someone show how they get a minimum turning point of (2,3) and it has no points of inflextion
Thank you so much

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Ashreeta Dec 6, 2017

2118

+292

what is the perimeter of PQR

thanks

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Johnnyboy Dec 6, 2017

1156

+292

What is the value of X

thanks

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Johnnyboy Dec 6, 2017

1099

+292

I need some help #1

Thanks, any help is appreciated!

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Johnnyboy Dec 6, 2017

1960

cos(−θ)=−√2/5 sin. θ>0

cos(−θ)=−√2/5 sin. θ>0

What is the value of sinθ?
read more ..

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Guest Dec 6, 2017

1969

The angle θ lies in Quadrant I.

The angle θ lies in Quadrant I.

cosθ=3/5
What is tanθ? read more ..

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Guest Dec 6, 2017

878

+579

hmmthingness

well i know how to put a matrix into web2.0, how do i find the whole number things of it if it were a system of equations?
i need to know the values of the variables in this. format is
also, the numbers in the matrix read more ..

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OfficialBubbleTanks Dec 6, 2017

798

+579

please please please please please pleeeeease

can i use matrices on web2.0

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OfficialBubbleTanks Dec 6, 2017

1092

+107

have a great day

hope your having a great day if not go right now and liesen to your favorte song and trun that sad face in to one with a smile like this

not this

ok read more ..

off-topic

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foxy02 Dec 6, 2017

All Questions ⁺⁰230574 Questions

Help

Help Please

If prices increase at a monthly rate of 10, 000 %,

help please

help please

pizza math

Help me Please

i really need help - sequence notation and equation stuff

The annual percentage rate is _____ %.

Help with this so I can figure out how to calculate this annual percentage

Find the interest charge added to the account balance at the end of the first, second, and third months.

Assume no purchases or returns are made in the exercise given below.

help with equation stuff plz?

Help!

Combinatorics

Geometrical applications of calculus

what is the perimeter of PQR

What is the value of X

I need some help #1

cos(−θ)=−√2/5 sin. θ>0

The angle θ lies in Quadrant I.

hmmthingness

please please please please please pleeeeease

have a great day

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