# math..solve for u again

156,818 results, page 66

### math

for questions 1 and 2 chose the equation that you can use to solve the problem. 86 is 45% of what number A( 86 = 0.45n B( n=0.45 X 86 c( 0.45=n X 86 D( 86 = 45n

### math

I do't understand what this is. how do I solve or simplify 100^12/100^8? Am I supposed to add the exponent or multiply them?

### Math

I just need help to solve these steps. 8 to the 2 power +9(12/ 3*2)-7 I know the answer is 129 but I'm not sure of the steps to get to it.

### Urgent Math

Please solve it in step by step. integrate: ∫(cot2x-csc2x)^2 dx

### Math

26. If , what is ? A. B. 5 C. D. 3 The answer for this question is C. I need to learn exactly how to solve it (step by step) so I can do it on an exam. Thank you.

Solve for x. 4(12)4x=1000 Enter your answer to the nearest hundredth in the box. x ≈ 1.9

### Math

Solve the equation. Explain each step and identify the property usedbto reach each step. 0.6x + 0.8 = 1.4

### Math

Did I solve this problem right? Here is the question: Use least common multiple or greatest common factor to solve this problem. Mark has 153 hot dogs and 261 hot dog buns. He wants to put the same number of hot dogs and hot dog buns on each tray. What is the greatest number ...

### History

Where was Sumer located in Mesopotamia? It is located near the Persian Gulf, the cities within Sumer are Babylon and Kish Thanks Again Ms.Sue

### Calculus MATH

Problem statement a) Suppose f(x) is defined on 0 ≤ x ≤ 1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use...

### Math 141

I am having trouble with this problem. perform the indicated operations and simpily the result as much as possible a) (3x - 2) (x^2 + 2x - 4 ) the answer i got so far is 3x^3 + 4x^2 -16x + 8. Am i done or i have to conitnue to simplify? if so, what do i need to do? b) 10x^3y^2...

### ms sue-history

sorry me again for my first question describe one way in which hitler broke the treaty of versailles in the years 1933-1936.. did hitler send his troops to the rhineland when he was told not to?

### science

My apology. I posted the previous question in correctly. Here is the question again: To bring 100cc of water from 20C to 75C, in 1min 25 sec, with 650Watt of energy input, what is the temperature required?

### maths

The party of kejriwal walks from gwalior to Bhuvneshwar. They first walk straight for 150km and then turn 45 ddegree towards Varansi and again go straight for 120km how for have they travelled from the initial place

### English

Why is Granny humming again at the end of "Blues Ain't No Mockin Bird"? A) She is angry at the cameramen. B) She is glad Grandaddy got rid of the cameramen. *** C) She always hums when she makes rum cakes.

### physics

A baseball is seen to pass upward by a window 29 m above the street with a vertical speed of 15 m/s. The ball was thrown from the street.After how many more seconds does it reach the street again?

### Algebra

Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible. Passes through...

### Algebra 1 (Ms. Sue)

1). Solve each equation. 17 = w - 4 2/3s = -6 1/3y + 1/4 = 5/12 x/8 - 1/2 = 6 5/6x - 1/3 = 5/2 2). In 1668, the Hope diamond was reduced from its original weight by about 45 carats, resulting in a diamond weighing about 67 carats. Write and solve an equation to find how many ...

### calculus

test the series for convergence or divergence the series from n=1 to infinity of 1/(arctan(2n)) I again didn't know what test to use

### Chemistry

Is odor a physical property? I would think it would be, but then again odor is caused by chemicals.

### Algebra 2

A boat travels 60 km upstream and back again in 8 hours. If the speed of the boat is 16 km/h, what is the speed of the current?

### Biology

What do plants and algal cells need to produce proteins? Where do plants and again cells get this supple from? THANKS!!!

### physics

The human eye is sensitive to electromagenetic waves that have wavelengths in the range from 400nm to 700nm (1nm=10^-9m). What range of the frequencies of electromagentic radiation can the eye detect? Can you please show me the steps and work because i don't understand what i ...

### math

5x^-1/-y^-1 once again, what are you asking? how is this simplified -y/5x Whenever you have anything raised to the negative power, flip it upside down. So: X^-1 = 1/X or X^-3 = 1/(X^3) Whenever anything is raised to the 1 power, it is itself. X^1 = X 12398719283719^1 = ...

### math

I'm sorry, but I am asking this question again because the response I received was a question that I could not answer - that's why I am asking here. Thank you. If someone asked: what can we learn from analyzing the standard deviation of a set of data that we couldn't learn ...

### math

A book publisher is shipping a new book in boxes of 200. If 30 boxes fit in 1 shipping crate, how many books are in 20 shipping crates? Explain the mental math you used to solve the problem.

### comm

i need help identify adjectives and adverbs:My dad added me as an extra card holder on his credit cards. I was very excited that I could purchase products now and pay for them later. I didn’t realize how much money I was spending. He came over to my house recently, instantly...

### chemistry,again

3 Fe2O3 + 1 CO → 2 Fe3O4 + 1 CO2 how many grams of Fe2O3 are needed to prepare 255 g of Fe3O4? a. 118 g b. 552 g c. 264 g d. 383 g

### French for Anonymous to Sra

Thank alot for everything i received your email all lined up!! You have been of so so so much help thanks alot again :) ;) thankouvery much!)!D xD

### psych

an IQ test is given on a tuesday, when given the test again on thurs the child scores differently, this is an issue of what? function, reliablity, observation or reflection?

### physics

a 70 kg block rests on the earth's surface. How much energy is required to move the block very far from the earth, ending up at rest again?

### Math ASAP

how do you solve 5x/2-10=x/4-1 and..... 3x/10=9/5 5x/2 -10 = x/4 - 1 Combine terms: 9x/4 = 9 9x = 36 x = 4 3x/10 = 9/5 15 x = 90 x = 6 the answer for 5x/2-10=x/4-1 is -2.875 and also i beleive the answer for numba 2 will be 1.8

### Math

Can you show me how to solve this problem? You have a die, what is the probability you will not get a six, six times in a row?

### Math

Solve each equation by completing the square. -36x=8x^2+28 -8x^2-3x=-5 5x^2-x-6=0 6x^2-24x-30=0 7x^2+8x-12=0 -10x^2 -9x+1=0 5x^2-x=4 -11x^2-8x=-7x-10 -3 1/3x^2+ 10x -27 1/2= -231/3

### Math

Solve each equation by completing the square. -36x=8x^2+28 -8x^2-3x=-5 5x^2-x-6=0 6x^2-24x-30=0 7x^2+8x-12=0 -10x^2 -9x+1=0 5x^2-x=4 -11x^2-8x=-7x-10 -3 1/3x^2+ 10x -27 1/2= -231/3

### Math

can you help me on this problem;; here is the problem, solve the equation. remember to gater like trems. FIRST!! k-5 / 6 = -7 ?

### math

solve the inequality: n^3-7n+6<0 it said to use the rational route theorem, but i don't quite understand how to use it. any help?

### math

PLEASE EXPLAIN HOW I CAN SOLVE MIXED NUMBERS PLEASE GIVE ME A EXAMPLE FOR PARTS THAT ARE SHADED THANKS

### math

Find the value of k such that the system of linear equations is inconsistent. {4x-8y = -3 {2x+ky = 16 I know that the answer is k = -4 but I don't know how to solve to get that answer.

### Math 116 algebra please check

Solve by elimination method 2x + 3y =1 4x + 6y =2 What is the solution of the system N there is no solution

### math

-5(2w+1)=25 can someone give me step by step insructions to solve this question because I don't understand what I am supposed to do first

### math

what is the constant variation 3.2x+3y=6 4.3x-1=7y-1 write each lineat equation in slope intercepy form 1.x=-2y-7 solve the equation 1.x-15=27

### HS Calculus/math

Solve the equation cotx=4 in the interval 0<(smaller and equal to)x<<(larger and equal to)2pie

Solve w= (va)/(r^2+a^2) for a. I applied the quadratic formula a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2 and I have the answer as a= (v+/- sqrt[v^2+4w^2r^2]/w

### math

Solve the equation, if possible 2(x+3)=2(x+8) a)all real numbers b) no solution i got 10 as the answer, but is the answer a or b?

### Math

The length of a rectangle is 8 cm greater than its width. Find the dimensions of the rectangle if its area is 105 cm. How do I solve?

### math

solve and simplify the answer completely by using pure imaginary numbers/complex numbers. 2x^2+3x+2=0

### math

can someone explain step by step to solve system equations and example ill show here 3x+4y=-2 x=-2y

### math

solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20

### math

y=x^2e^x I am suppose to find the dy/dx of this the way i did it was x^2e^x times dy/dx of x^2 and got x^2e^x times 3x^2 this is not right and im confused on how to solve it help pls.

### math

you competed in a 3.9 kilometer race you finished the race in 0.4 hours. which equation can you solve to find your speed, R?

### math

the formula K = C + 273 is used to covert temperatures from degrees Celcisu to Kelvin. Solve this formula for C.

### math

the sum of a numbers is 15 and their difference is 4. form a pair of simultaneous equations and solve to find the numbers.

### Math

Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = -7x - 28

### Math

Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = -7x - 28

### math

Help! These are fractions, so bear with me: -5/8 x= -9/10 Solve with the multiplicaation principle. How do I do this? The fractions throw me off every time!!!

### math

Help! These are fractions, so bear with me: -5/8 x= -9/10 Solve with the multiplicaation principle. How do I do this? The fractions throw me off every time!!!

### math

Assume depreciation is the same each month. Write a problem involving depreciation and solve it. Where do I start?

### MATH!

plz how do you solve these?- i keep getting the wrong answer 1. 3z/2 - 17/3 = 2z/3 - 3/2 2. 2/5b - 1/4b =3 3. 23 - 6g = 19 please show me step by step how you do these

### math/algebra

solve the compound inequality. 2x-7 / 6 is less than or equal to -7, or 2x-7 / 6 is greater than or equal to 5 I came up with -35/2 or 37/2 but it's incorrect. help?!!

### math

Write a real world problem that you can solve by writing an equation . The answer to the problem must be 6

### Math need by 9pm cst

Solve by substitution method. Show step by step process. 4x+5y=27 x=26-4y

### Math

Using the numbers 4, 9, 36 ... What is the sequence that I would put these numbers in to solve the equation ? - ? : ? Equals zero

### math

Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation -5r^(4)+6r^(3)+9r-15=0

### Math

how to solve (√(2)/2) / (-2/√(2)) steps too please the answer is 1 in other words it's tan(π/4)= 1

### math

how do you solve the exponential equation, 12^x = 14^3x? If someone could show me step by step I would greatly appreciate it. thank you! :)

### Math

solve using the substitution method. If the system has no solution or infinite number of solution state this 4x+4y=-36 4x+4y=12

### math

how do i solve this S(1)=10000(1-e^-.5(1)) the answer for this is 3935 buy i don't know how it came up with that answer. could anyone please explain to me how thanks in advance!

### Math

how would you graph x>-2 and how would you solve the sum of two numbers is 3. their difference is 1. find the number.

### math

Use quadratic formula to solve each equation 3k^2+6=6 I get 3/2 but I can't seem to get the other half of the equation such as x=3.7 or .26 etc...

### Math

Solve for all possible values of x where O°≤x≤360°. tan x = -1/√3 cos x = 1/2

### math

solve 4^(3-x)=7 to 3 s.f. showing all workings. I have got as far as -x =log(7)-3log4/log(4)

### Math Linear Algebra

Find the inverses of the matrices. Let A = 1 2 5 12 b1 = -1 3 b2 = 1 -5 b3 = 2 6 b4 = 3 5 Find A^-1, and use it to solve the four equations. Ax = b1, Ax = b2, Ax = b3, Ax = b4

### Math

How do you do this..i have the answer i just need a step by step way to solve this.. sec(sin^-1 (2/5))

### math

Solve the following equation. (Examples 1-6) 15x2 = -17x + 4 x = 1 (smaller value) x = 2 (larger value)

### math

How do I solve this problem 3times the square root of 13 plus 7 times the square rrot of 13 equals to what?

### math

Please show me how to solve: The length of a rectangle is 3 times the width. The perimeter is 44 cm. What are the dimensions of the rectangle?

### Math

I SERIOUSLY need help! Solve the linear system by using substitution. x=6-4y 2x-3y=1 Explanation too, please! Please and thanks!

### geometry

show that the points A(-4,2) B(1,4) C(3,-1) D(-2,-3) are verticies of a square. please show me how to solve this type of math problem.

### math

write a real-world problem involving multiple steps, then solve our problem

### Math

Can someone show me step by step on how to factor/solve this problem explaining the steps? 5.50 = (0.02x^3 + 5x) / x

### math

an 8- acre field can be mowed in 5 hours,how long to mow 1.6 acre?solve show steps

### math

anni bought 4 bags of grapes. each bag has 19 grapes how many are in all . PS use multpulcation to solve

### math

solve lim (5000t^2)/ (t+2)^2. the lim is t->infinity. can someone show me the calculation. the ans is 5000.

### math

Einsteins famous formula E=mc^2 relates energy E,mass m and the speed of light c. solve the formula for c.

### math

Can you solve this problem for me? Nina has twice as many nickels as dimess. In all, she has 70¢. How many nickels and dimes does she have?

### Math

2. A rectangle whose perimeter is 80 m has an area of 384 m^2. Find the dimensions of the rectangle. Solve it as a polynomial.

### math 2

Jawan solved 8 divided by 1/3 by using a related multiplication expression. which multplication expression did he solve?

### Math

√(5y+1)-√(3y-5)=2, I need to solve algebraically, and state any restrictions on the values for the variables, which I can't remember how to do

### math

write a real world problem that you can solve by writing an equation.the answer to the problem must be 6.

### Math

Can someone please check these problems? Thank you! Solve each equation for the indicated value. 1. a-b=-c, for a I got a=-c+b 2. 4y+6x=12, for y I got y=-3/2x+3

### Math

Question: Write a word problem using 7 groups. And then solve the problem Can you give an example?

### math, solving Oblique Δ

can you help me to solve each triangle described below using ΔABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88°

### MATH

Joelle set up the following proportion to solve for x. Determine if her proportion is correct. If not, explain what is wrong with it.

### Math Help

Hi! I need help with this question. Thanks! Directions: To solve these problems, you need to find the inverses of these 2x2 matrices. a.) D= [-3 -6 6 12] b.) C= [2 1 7 3]

### Math

Write an equation to represent the relationship " a number decreased by 7 is the same thing as 28" and then solve the equation

### math

This is how the problem is like 2m^2p m=-5 p= -4 I try to solve it like this. 2*-5^2*-4= 200 Somehow I'm still incorrect. Can someone help?

### math

-6 is given as a fourth term,-34 is a eleventh term what are the first three terms?can i solve it simultaneously

### math

Solve the equation for n n!/(n-2)! = 90 I get n= 10 but when i plug 10 back into the equation i don't get 90 to check... My work: n!/(n-2)! =90 n(n-1)(n-2)/(n-2)! =90 i cancelled the n-2 and expanded the n(n-1) n^2 -1n -90 =0 (n-10)(n+9) = 0