1575x=1350x I combine like terms first 75x50x?
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Statistics
3. Two variables, x and y, have a correlation of 0.75. If x has a mean of 25 and a standard deviation of 3, and y has a mean of 12 and a standard deviation of 6, which of the following is the leastsquares regression line for the two variables? (A) y(hat)

Alegbra
1. –9x – 5 = –95 a) 17 b) 11 c) 10 d) –10 2. x/4 – 5 = –8 a) –27 b) –12 c) –7 d) 12 3. x/5 + 6 = 10 a) 44 b) 30 c) 20 d) –20 4. –2(m – 30) = –6m a) –15 b) –13 c) –8 d) 8 5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1

math
Dan has saved $500. He wants to open a chequing account at SaveALot Trust or Maple Leaf Savings. SaveALot Trust's chequing account is $10 per month plus $0.75 per cheque. Maple leaf savings' chequing account is $7 per month plus $1.00 per cheque. Which

MATH PLEASE HELP MRS.SUE!
What are the next three terms in the sequence? –1, 9, 19, 29, … (1 point) 38, 37, 32 40, 51, 62 39, 49, 59 38, 47, 56 2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden

math
A cab charges $1.50 for the first mile and $0.50 for each additional mile. Write and solve an inequality to determine how many miles Sharon can travel if she has $25 to spend. (2 points) $0.50 + $1.50x ¡Ü $25; x ¡Ü 16 miles $0.50 + $1.50x ¡Ý $25; x

Algebra
Which of the following options is an equivalent function to f(x) = 2(5)^2x? f(x) = 50x f(x) = 100x f(x) = 2(25)x f(x) = 4(25)x

PHYSICS
Calculate the pressure on the top lid of a chest buried under 4.30 meters of mud with density 1.75X 10^3 kg/m^3 at the bottom of a 12.5 m deep lake

Math
1575x=1350x I combine like terms first 75x50x?

Math ASAP
5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1

HELP MATH !!
Melanie charges $4.50 per hour when she washes cars, plus $5.00 for supplies. Which function rule represents the amount y Melanie charges to wash cars for x hours? (1 point) a) y = 0.50x b) y = 4.50x + 5.00 c) y = 5.00x + 4.50 d) y = 9.50x The sale price

Algebra 2
Let f(x) = 3x^2 – x + 2 and g(x) = 5x^2 – 1. Find f(g(x)). Show each step of your work. I got 75x^4 35x +6 If that is wrong can you correct me. Thank you!

algebra
2. W/4  4 = 3 a)4 b)28****** c)3 d)11 3.X/5 + 6 = 10 a)44 b)30******* c)20 d)20 4.2(m30)=6m a)15 b)13************ c)8 d)8 5.3.75x+3.7=1.7+1.75x a)10 b)1 c)1***** d).1 Please check my answers :)

Intermediate Algebra(Math)
Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50lb mixture that sells for $7.40 per pound? So far I have, this: 6.50x + 8 (50  x) = 7.50 (50) 6.50x + 400 

Math
1) X/4+10=14 A)96 B)46 C)16 D)16 2) 2(22x)=3x A)4 B)4 C)6 D)0 3) 3.75x+3.7=1.7+1.75x A)10 B)1 C)1 D).1 Answers : B C C ???

Math ASAP
4. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1

ALGEBRA
Max charges $3.50 per hour when he mows lawns, plus $6.00 for transportation expenses. Which function rule represents the amount y Max charges to mow lawns for x hours? y = 9.50x y = 6.00x + 3.50 y = 3.50x + 6.00***** y = 2.5x The sale price of ground beef

maths
Solve for x in 50x^(3/2) = 32x^(1/2)?

math, algebra
can someone correct this for me... Problem : Business and finance. Linda Williams has just begun a nursery business and seeks your advice. She has limited funds to spend and wants to stock two kinds of fruitbearing plants. She lives in the northeastern

Calculus
Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^1 (5x)dx so first I named the variables: u = 10 sin^1 (5x) du = 50 / sqr(125x^2) dv = dx v = x so we

algebra
What is the LCM of 15x^6 and 75x^8?

STC
Find the correct end behavior diagram for the given polynomial function P(x)=2.75x^4+3x^2+x1

Chemistry
x+y=9.0 0.50x+0.20y=3.90 What is the value of x and y?

algebra
Which are the solutions of 18x^3=50x? A. 0,5/3 B. 5/3,5/3 C. 5/3,0,5/3 D. 5/3,1,5/3 I don't know how to get the answer.

math
word problemIf car A is going 50mph and is 15miles ahead of car B who is going 60mph, how long will it take car B to catch up with other? 50x+15=60 15=15 50x=45 x=10 

math
Jake is making birdhouses to sell. The cost to make them is $80 for supplies plus $6.25 per birdhouse. He will sell them for $16 each. What is the minimum # of birdhouses he must sell to make a profit. I got he must sell more than 8 I did it by setting up

Algebra
4ã(50x)+3ã(2x)+ã(72x) Combine. Assume that all variables represent nonnegative real numbers.

Math Word Problem
a new blend of coffee will cost $3.90 per pound by mixing 2 coffees that sell for $2.75 and $5 per pound. what amounts of each coffee should be blended to obtain the desired mixture? (the total weight of the desired blend is 100 lbs) How would I solve

Math Asap
1. x/4 – 5 = –8 a) –27 b) –12

algebra
f(x)=4.75x, gives its domain and range

Algebra II
Having trouble factoring 3x^9 75x

Math
Solve by Factoring: 0.125x^2+1.75x+7=0

algebra
10x^(6), 50x^(4) what is the LCM

Math
For some k>0 the lines 50x+ky=1240 and ky=8x+544 intersect at right angles at the point (m,n).find m+n.

Intermediate Algebra Word Problem
A map's key indicates that 3/4 of an inch represents 60 miles. How many miles does 2 1/4 inches represent? in/mi 3/4 / 60 = 2 1/4 / x 3/4x = 60(2 1/4) .75x = 60 (2.25) .75x/.75x = 135/.75 x = 18mi. Is this correct?

PreCalculus
Find the slope of the tangent line to the curve 2(x^2+y^2)^2=25(x^2−y^2) at the point (−3,−1)? Here's what I did: 2(x^4 + y^4) = 25(x^2y^2) 2x^4 + 2y^4 = 25x^2  25y^2 8x^3 + 8y^3(dy/dx) = 50x  50y(dy/dx) d/dx(8y^3 + 50y) = 50x  8x^3 d/dx =

Intermediate Algebra (Math)
Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50lb mixture that sells for $7.40 per pound? So far I have, this: 6.50x + 8 (50  x) = 7.40 (50) 6.50x + 400 

Algebra
2. W/4  4 = 3 a)4 b)28****** c)3 d)11 3.X/5 + 6 = 10 a)44 b)30******* c)20 d)20 4.2(m30)=6m a)15 b)13************ c)8 d)8 5.3.75x+3.7=1.7+1.75x a)10 b)1 c)1***** d).1 Please check my answers :)

math
marissa earns $3.75 per hour at a local fast food restaurant. write an expression for the amount she earns and determine how much she is going to earn in 7 hours. A: 3.75x;$26.25 B: 7x;$26.25 C: 3.75x + 7x;$10.75 D: 7x;$3.75

algebra
marissa earns $3.75 per hour at a local fast food restaurant. write an expression for the amount she earns and determine how much she is going to earn in 7 hours. A: 3.75x;$26.25 B: 7x;$26.25 C: 3.75x + 7x;$10.75 D: 7x;$3.75

math
need to know how to find the distrbutive property of 50x62,159= (50x )+(50x )+(50x100)+(50x50)+(50x9)

algebra1
Marissa earns $3.75per hour at a local fast food restaurant. write an expression for the amount of money she earns and determine how how much she is going to earn in 7 hours. A.3.75x;$26.25 B.7x;$26.25 C.3.75x+7x;$10.75 D.7x;$3.75

math
I was hoping that some one could review my answers and tell me if im correct or not ^^ 1. 2 (m30)=6m a)15 b)13***** c)8 d)8 2. 3.75x + 3.7=1.7 + 1.75x a)10***** b)1 c)1 d).1 3.9  6(w+5) a)15w + 5***** b)15w + 30 c)6w + 39 d)6w + 21

PreCalculus
A piece of equipment has cost function C(x)=50x^2 + 1000 and its revenue function is R(x)= 500x  x^2, where x is in thousands of items. What is the least number of items that must be sold in order to break even? 50x^2 + 1000 = 500x  x^2 50x^2 + x^2 +

ALGEBRA
Max charges $3.50 per hour when he mows lawns, plus $6.00 for transportation expenses. Which function rule represents the amount y Max charges to mow lawns for x hours? y = 9.50x y = 6.00x + 3.50 y = 3.50x + 6.00***** y = 2.5x

Math
1. –9x – 5 = –95 a) 17 b) 11

Definite integral by parts (correction)
Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^1 (5x)dx so first I named the variables: u = 10 sin^1 (5x) du = 50 / sqr(125x^2) dv = dx v = x so we

Math
3.75x + 3.7 = 1.7 + 1.75x A. 10 B. –1 C. 1 D. .1

math
after ploting the graph for y=1.55x+30 and y=2.75X where the cost y (£) as a function of the total number for swims x for the two options (member and non member) but question is what do the gradients and y intercepts of the lines represent in terms of the

math
2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern

math
2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern

math URGENT
please factor 2.75x^27x120

Math
What does x equal in this question? 0.75x  1.25 = 6.25

word problems in algebra
The cost of producing a number of items x is given by C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item). (a) If the fixed cost is $40 and the variable cost is $10, write the cost equation. (b) Graph

finite mathmatics
elimination method 5x + 6y = 75x  3y = 146

math
Solve on Function Graph y= 28.5x + 6.75x + 42

algebra
factor completely 75x^4+35x^310x^2

math
factor the following expression completely 75x^4+35x^310x^2

Calculus
Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 5 is y=75x  250 What is the approximation for 4.6 ^3?

Math
I know the answer to (0.25x  3)  (1.5x + 1.4) is 1.75x  4.4 but I don’t understand how to get it, can you guys help me!

Calc
Let f(x) = x ^3. The equation of the tangent line to f(x) at x = 5 is y= 75x  250. Using this, we find our approximation for 4.6 ^3 is ?

Math
A purse cost $375.00. It was 25% off. What was the original price? I figured out the answer ($500.00), but I did it the 'hard way'. Can someone show me a mathematical way or equation to do this in the future w/other percentages?? One way you can do this

Algebra
7x^12/5  50x^7/5 + 7x^2/5 = 0

Math
50x^272

math
could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = 2 Add ‘19’ to each side of the equation ~ 19+19+3x= 2+19 Combine like terms~ 19+19=0 0+3x= 2+19 3x= 2+19 Combine like terms~ 2+19=17 3x=17 Divide each side

math
could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = 2 Add ‘19’ to each side of the equation ~ 19+19+3x= 2+19 Combine like terms~ 19+19=0 0+3x= 2+19 3x= 2+19 Combine like terms~ 2+19=17 3x=17 Divide each side

Math
HELP?! 1.9^2 2.(5x^9y)(2x^2y^3) 3.(a^1b^2) / (a^2b^4) 4.(7x^1/y^4)^2 Scientific notation: 5) .0000745 Decimal Form: 6) 9.3*10^6 Solve: 7.3√27 8.√(5a)^2 Simplify: 9.√60x^5y^2 10.√75x^3 / √3x

Math
A tire shop that sells only one size of tire, .75 metres in diameter, decides to sell tires for big rigs that are 1.5 metres in diameter. If the cost of the .75 meter tires is $100.00 for four, how much will it cost for the 18 tires required for a big rig?

Math
factor 50x^272

Math
.50x+.20y=3.60 x+y=9

math
factor 50x^272

Math help please
factor 50x^272

intermediate algebra
50x^8 y^8/25x^4 y2 + 28x^7 y^6/14^3

intermediate algebra
50x^8 y^8/25x^4 y2 + 28x^7 y^6/14^3

Algebra
How do i graph y=.50x445?

Algebra 2
Factor x^35x^250x/x^4+10x^3

math  factoring
I'm having some trouble factoring a problem. It's 75x^2  27 I know I can first factor out a GCF of 3 which leaves me with 3(25x^2  9) This seems to me to be a differences of squares but I cannot figure out what to do next. Thank you.

algebra
The function H described by H(x) = 2.75x + 71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long.

Math
Factoring / solve for x 5.50x = 0.02x^3 + 5x

algebra
how am I supposed to graph 1.25+.25x and .50x

maths
factorise: 1) x^4+10x^3+35x^2+50x+24 2) 3(ab)(bc)(ca) 3) (a+b)^3ab

Math
50x to the 4th power/12x

math
how do i find the square root of 50x^10

Precalc
Solve these equations for x by factoring: 1) x(x4)=12 2) 2x^3+50x=20x^2 3) 2x^2+x6=0 Thank you for all your help!!!!

algebra 2
what are the real solutions of 750=x^315x^2+50x

Algebra
0.50x+ 10y+5z equals to hundred find x,y,z

pre algebra
what is the simplest form ? 50x to the 4th over 12x

Math
I don't understand stand this 20y+1.50x=?????

algebra
simplify 23sqrt(32x^2)2sqrt(50x^4)

Math
Given These Equations x+y=9.0 .50x+.20y=3.90 Find the values of X and Y.

algebra 2
what are the real solutions of 750=x^315x^2+50x

math
Ken's average driving speed is 25km/hr faster than Jim's. In the same length of time it takes Ken to drive 279 km, Jim drives only 204 km. What is Ken's average speed? Possible Answers: a) 93 km/hr b) 118 km/hr c) 43 km/hr d) 68 km/hr Let x equal the speed

maths
Factorize: 1.) 64x^3y^3 2.) x^4+10x^3+35x^2+50x+24 3.) x^3/8643x^2+24x

Math
Find the Synthetic Division: (10x^450x^3800)/(x6)

math
find all solution sets to the equation 2x^3+12x^2+50x=o

Math
Find the Synthetic Division: (10x^450x^3800)/(x6)

Math
Solve this in Long Division. (x6)/(10x^450x^3800)

prealgebra
16x = 21.50x how many months till they equal the same amount

biology
if you want to make 50 ml of a 1x TAE solution fro a 50X stock, how would you prepare it?

college algebra
a rectangular box has a volume of V(x)=x^3+13x^2+50x+56 cubic inches. The height of the box is x+7 inches. The width of the box is x+4 inches. Find the length of the box in terms of x.

Linear equations
I keep getting this wrong and can't figure out why {60x+10y=16 50x100y=50 The solution to the system is: