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Algebra

Algebra
p=1/r * s + d ; solve for s A. s = r/p - d B. s = p + d/r C. s = r(p - d) D. s = r(p + d) I'm not sure on this one, but I'd go with B. Please help? Thanks

Algebra
What is an equation in point slope form for the line perpendicular to y=7x+3 and contains (-6,-3) ? A)y+6=-1/7 (x+3) B)y+3=7 (x+6) C)y+3=-1/7 (x+6) D)y+3=7 (y+6)

algebra
How many minutes past 5:13 will the hands of an analog clock next be 12 degrees apart?

Algebra
1.Use the distributive property to simplify the expression. (-1)(4-c) Can someone show me how to work this out? I'm stuck. :C

honors algebra 1
3. Which ordered pair is a solution of the equation y=x-4? a. (2,6) b. (6,2) c. (-2,6) d. (3,1) 4. Which ordered pair is a solution of the equation y=5x? a. (-2,10) b. (-5, 25) c. (-3,15) d. (-2, -10) 5. Which ordered pair is a solution of the equation y=-5x+4? a. (2,14) b. (5...

Algebra
josh receives a weekly paycheck from his job. at the end of the week he has $52 remaining. throughout the week he spent a third of his paycheck at the mall and $8 for a new calculator. what the amount of his paycheck?

Algebra
two airplane fly toward each other from points 900 miles apart, at the rate, per hour, of 300 miles and 250 miles. when will they meet if they start at the same instant?

math algebra
two airplane fly toward each other from points 900 miles apart, at the rate, per hour, of 300 miles and 250 miles. when will they meet if they start at the same instant?

math algebra
at how many minutes after 3pm will the minute hand of a clock overtake the hour hand?

math algebra
a motorboat, which can travel at 20 miles per hour in still water, takes 3/5 as long to travel downstream on a river from a to b, as to return. Find the rate of the rivers current.

Algebra
The sum of the ages of Dave and Ted is 48. Eight years from now, Ted will be 3x Dave's age. Find their present age.

algebra
5/x-3/4x=23/x+6 first I made it 20/4x-3/4x=23/x+6 Then I am stuck how to solve the rest of the equation Can you please help. Thank you

Math algebra
(a+b)(a-b)

algebra
which ordered pair is a solution of the equation y=5x (-2,10) (-5,25)** (-3,15) (-2,10) which ordered pair is a solution of the equation y=-9x+4 (10,-86) (-4,-58) (6,-41)** (-6,57)

algebra
1. is he equation true , false, or open 5x+2=6x+11 open, there is a variable *** true, he expression are the same for all values of the variables false, the expressions are never the same which value is a solution of the equation 2-8x= -6 1** 1/2 -1 8 which ordered pair is a ...

Algebra
A rock is thrown upward with a velocity of 21 meters per second from the top of a 48 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places.

Algebra
110 student went to the lake for a boat ride. there were 8 both (each would safely hold the same number of student), and all but 14 students could go for a ride. those remaining 14 students had to wait until first students finished their ride before they could go. how many ...

Algebra
Write the equation of the line in stasndard form that passes through the points 2,-3 and -1,-4

Algebra
These are your test scores: 82, 78, 93, and 70. With an average of 80 for a B needed, what score do you need to get on your next test to have a B in class? x = grade needed

Algebra
What is 2u to the fourth power times v squared all divided by 3u

Algebra
6= x+2/3 help me solve this please

Algebra 2
A normal distribution has a mean of 240 and a standard deviation of 4.8. What is a z-score of 230? What is a z-score of 245? Round to the nearest hundredth. Enter your answers in the boxes. A Z-score of 230 is 6 A Z-score of 245 is <i'm confused for this one

algebra
1.) suppose y varies directly as x.if x=24 when y=8 then what is the constant of variation? 2.) suppose y varies inversely as x if x=4 when y=8 then what is the constant of variation?

Algebra 1
3 [42-2 (10^-9^)]

College Algebra
Find a pair of positive integers such that the sum of the numbers is 20 and the sum of their reciprocals is 4/15.

Algebra
If f(x)=x^2-13 and g(x)=11-x, find (f-g)(3) (f-g)(3)=

Algebra 1
Find each value g(X) = x^2 - X g(2)^2 -2 - (2)-2 The answer key days zero but I keep getting 2 Will someone help 4-2 - (2)-2 =2 - 0 =2

algebra
2/3(12x-21)-2x=4xdivided by 10

Algebra
John earns $3 more than hugh. Leslie earns $2 less than twice Hugh. Together they earn $101. How much does Hugh earn?

algebra
I need to write a full for the function. x = 4,5,6,7 y = 0,2,4,6 y=4*0

ALGEBRA
. Water freezes at 0◦ Celsius and 32◦ Fahrenheit and it boils at 100◦C and 212◦F. (a) Find a linear function F that expresses temperature in the Fahrenheit scale in terms of degrees Celsius. Use this function to convert 20◦C into Fahrenheit. (b) ...

algebra 1
list from least to greatest square root 7, square root 3,-0.3,-7/4,0.1

Algebra
jorges brother is 4 less than 3 times his age the sum of their ages is 24 how old is jorge brother

Algebra
A flight from a to B is against the wind and takes five hours return flight with wind takes 4.5 hours of the wind speed is 50 mph find the speed of the plane in still air

Algebra
Greg is 16 years older than his sister Barbra. In 13 years , he will be twice as old as Barbra. How old is each of them now ?

Pre algebra
how to simplify -12 divided by 3•(-8+(-4) to the seccond power-6)+2

algebra
h/j=15 for j

Algebra
A meteorologist announces that yesterday’s high temperature was within 4° Celsius of 18° Celsius all across the country. Write an inequality that involves an absolute value to represent yesterday’s high temperature. Solve the inequality and explain the meaning of the ...

Algebra
Kerry's car averages 25 mpg. She wants to find how far she can drive based on the gallons in her car. Choose the correct model fo this situation 25=d+g D=25g G=25 ( d is distance in miles and g is gallons of gas) What is the slope ? How far can she travel if she puts 7 gallons...

Algebra
Solve the system by elimination 2x+3y=4 5x+6y=7

Algebra
You and a friend eat tacos. You order 2 tacos and 5 burritos which equals $19. Your friend orders 1 taco and 4 burritos which equals $14. Find the cost of a taco and a burrito. Please help

Algebra
System of equations for -6=Ab^-3 -18=Ab^2

Algebra
Verify the solution by choosing the correct coordinate point whic states 3x-2y=2 5x-5y=10 Answer choices: (0,-1) (-4,-2) (-2,-4) (1,-5) Thanks for the help

algebra
What is the equation for the line with a slope of 7 and a y-intercept of -1 ?

algebra
What is the equation in slope-intercept form of the line that passes through (1,5)and has a slope of 3 ?

Algebra
A gardener has a border of flowers around a rectangular vegetable garden. The vegetable garden is 5 ft x 2 ft, and the flower border has a uniform width of 1 ft and is 7 ft x 4 ft. What is the area of the flower garden only? 4 ft^2 10 ft^2 18 ft^2*** 28 ft^2 I don't know if I ...

Commom Core Algebra
how do I rewrite the following expression as an equivalent product of two binomials? x(x+2)+3(x+2)

Algebra
Consider the following system of equations. Solve and write as a coordinate point. 5x+4y=-14 3x+6y=6 Please help and thanks

algebra 1
I need to solve this inequality 3(x-2)>-3

Algebra
Shark wireless charges 2 cents per text with a $25 monthly fee while Nova cellular charges 4 cents per text with a $15 monthly fee. Create a linear equation.

algebra - theory of numbers
Sum of divisors ofN

Algebra 2
1. Convert the 5th root of x^3 into a rational expression. 2. Solve i^63 I don't know how to solve these so please help me!!!

Algebra
Find the value of r so the line that passes through each pair of points has the given slope. (r, -5), (3, 13)

College Algebra
Consider the amount of gas in your car during a road trip. You start out with 40 gallons and drive for 4 hours, leaving you with 24 gallons in the tank. You stop for lunch for 2 hours and then drive for 2 more hours, leaving you with 16 gallons. t= time C (t)=_____ if 0 less ...

Math Algebra
A brand cookie mix calls for baking cookies at a temperature of 350°F. However, for high altitues (3500-6500 ft. above sea level) l, baking at 37t°F is suggested. a. Construct a piecewise linear function for the recommended baking temperature, T (s), as a function of ft ...

Algebra
A department store is offering a coupon for 26% off for any purchases over $100. How much would you spend for a $100 purchase? You would spend $____. Construct a formula a piecewise functiom for the actual cost, C, of the purchase as a function of the original purchase price, ...

Algebra
Solve the system by elimination. X+y=4 X-y=-2 I can't figure this out please help

Pre-Algebra
A chess club with 40 members is electing a new president. Lisa received 16 votes. What percentage of the club members voted for Lisa?

Algebra
120t = 105 (t+1/3) Find the disrance

algebra
the perimeter of one square exceeds that of another by 16 and its area is 14 less than 4 times the area of the other .what is the length of the side each square

Algebra
In an automobile race, the rate of one car was 120 mi/hr and the rate of another was 105 mi/hr. If the faster car finished the race 20 minutes before the slower one, what was the distance of the race?

Algebra
I don't know how to solve this at all. You work every Sunday in the yard from 8:00 A.M. To 11:30 A.M. Draw a diagram that shows the rotation completed by the hour hand of a clock during this time. Find the measure of the angle generated by the hour hand in both degrees and ...

Algebra
1)More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car. a) Write an inequality to represent the situation. Be sure to define your variable. b) Solve the inequality to find the minimum number of people on each bus. b=# of ...

Algebra
Suppose you but 5/8 of a hard of fabric for 2.50. What is the price of the fabric per hard?

Algebra
A phone company charges a monthly rate of 10 dollars for the first 50 text messages and charges $0.05 for every text message after the first 50 messages Write an equation in two variables that represent the monthly cost of text message services y=0.5x+10

Algebra
Mandy has to pay for her gas when she goes out with friends. She receives an allowance of $25 per week. Mandy fills her 16 gallon car up twice a month with gas currently costing $2.11 per gallon. After filling her car up twice a month, how much does Mandy have left over to ...

algebra
I have a rebus puzzle it says THRU in bold print and AND in regular print THRU AND PLEASE HELP! !

Algebra
write an equation of a line through (-5,-2) that is perpendicular to the x-axis

algebra
Solve for p. 3+|1+p|=123+|1+p|=12 A. p = 8 or p=−10p=−10 B. p = 14 or p=−16p=−16 C. p = 10 or p=−10p=−10 D. p = 8 or p=−8

College Algebra
Create a piecewise function of the following scenario where Upper D left-parenthesis t right-parenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for 25 minutes. You rest...

algebra
If the value of 10 ounces of gold is d dollars and an ounce of gold is equivalent to s ounces of silver, what is the value, in dollars, of 3 ounces of silver.

algebra
The width of a rectangle is 8 cm less than its length. The perimeter of the rectangle is 52 cm. What is the width of the rectangle? 7 cm 9 cm 15 cm 17 cm

algebra
the length of a certain rectangle is 4 cm longer that's its with and the area exceeds 7 times its with by 18 find the dimensions

Algebra
Your test scores in one class are 8484 and 88. What possible scores can you earn on your next test to have a test average between 86 and 90​, ​inclusive

algebra
13 + [26 ÷ (−6 + 4 ⋅ 1)] My answer is 26 is this correct4.

Algebra
The difference of two numbers is 47. The larger number is three less than six times the smaller number. Find the numbers.

Algebra homework
automobiles suppose the arm of a windshield wiper is 16 in. long, with a blade 12 in. long. if the wiper moves through an angle of 90degree, how much of the windshield is cleaned in one pass of the wiper ?

Algebra
MLids for tin cans are stamped out of a solid sheet of tin as show how much of the tin is wasted in this process? Given L= 15 w=6

College Algebra
automobiles suppose the arm of a windshield wiper is 16 in. long, with a blade 12 in. long. if the wiper moves through an angle of 90, how much of the windshield is cleaned in one pass of the wiper ?

Advance Algebra
automobiles suppose the arm of a windshield wiper is 16 in. long, with a blade 12 in. long. if the wiper moves through an angle of 90, how much of the windshield is cleaned in one pass of the wiper ?

algebra
Ms. Kork sold her car for $8700. This was $100 more than 2/5 of what she paid for the car originally. How much had ms. Kork paid for the car??

algebra
The pressure on a scuba diver at sea level is 14.7 pound psi.The pressure increases 0.0445 psi for each foot of depth. Suppose the diver is 32.5 psi. How deep is he?

algebra
can you please change these to radical form without simplifying them? 625^(3/4) 4x^(-1/2) 32y^(-2/5) x^(1/3) - y^(1/3)

Algebra II
y varies directly as x. if y=-5/8 when x=3/2, find x when y=2/5

Algebra
Goran borrowed 8000at a rate of 7%, compounded semiannually. Assuming he makes no payment, how much will he owe

Please help with Algebra 2 Ms. Sue
A triangle has vertices at A(3,4),B(-3,2),C(-1,-4). Is the triangle a right triangle? Explain. How do I find the answer? I am not sure what equation to use.

Algebra
The opposite of -4 is: A: 4. B: -4. C: -(-(-4)). D -|4|. I chose D. Am I correct?

Algebra
Find k if p=40 when q=5, r=4 and s=6.

Linear Algebra
Please , I don´t know how to do this demonstration: If A and B are mutually perpendicular vectors( different to zero vector) and "c" is any number show that : || A +cB ||>= ||A||

Algebra
A triangle has vertices at A(3,4),B(-3,2),C(-1,-4). Is the triangle a right triangle? Explain.

College Algebra
A manufacturing company finds that they can sell 375 items at $2.50 per item and 225 items at $3.50 per item. If the relationship between the number of items sold x and the price per item p is a linear one: Find a formula that gives x in terms of p: x= Now use the formula to ...

2.1 algebra
Thears 27 campers. And thears nine tims as many campers how many csmpers is theae

2.1 algebra
Theare 27 campers .theare nine tims as many campers how many campers are theare

algebra 2
x-y+3z=19 -2x+2y-6z=9 3x+5y+2z=3

algebra
Eli took the fleet of 8 vans for oil changes. All of the vans needed windshield wipers which cost $24 per van. The total bill was $432. Write an equation to find out what each oil change cost. solve the equation.

Algebra
The surface of the Grand Lake is at an elevation of 648 feet. During the current drought, the water level is dropping at a rate of 3 inches per day. If this trend continues, write an equation that gives the elevation in feet of the surface of Grand Lake after x days. I am ...

Algebra II
Maria's car averages 44 miles per gallon. Maria wants to determine how far she can drive based on the gallons of gas in her car. Write an equation to determine how far she can drive based on the gallons of gas in her car. What is the rate of change (slope) for Maria's ...

Algebra
I need help, it's a crossword puzzle. 10 letters, the last letter is T the 3rd letter is E. The question is: You can think of an opposite sign as ____ or -1 PLEASE HELP

Math/Algebra
The equation is Z^2-8+12/Z^2+Z-6 I got this far (Z-6)(Z-2)/(Z+2)(Z-3) It needs to be simplified further, as far as my understanding (Z-2) and (Z+2) cannot be cancelled out.

Algebra
32z= 216 I don't know how to do this algebraically.

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