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Lv 7
[匿名]
回覆: 12
2020-04-08 12:49 am
To determine whether (−1,4) is a solution to the equation 3x+8y=29, substitute blank for x and blank for y.?
[匿名]
回覆: 5
2019-11-15 2:51 am
How do I solve this step by step ?
[匿名]
回覆: 7
2019-10-27 7:25 am
Determine whether (3x-2) is a factor of the polynomial 3x^3-14x^2+26x-12. Explain. ?
[匿名]
回覆: 5
2019-07-05 10:27 am
the solution to 5x1 will be what kind of number?
[匿名]
回覆: 8
2019-03-22 8:55 am
cual es el valor de x y y en la siguiente ecuacion: 2x+7y=5 3x+14y=3?
[匿名]
回覆: 4
2019-03-19 1:22 am
Find S20 for the arithmetic series 5+10+15+20?
[匿名]
回覆: 3
2019-03-13 9:17 am
what is the height of the building if the 1st angle of elevation is 50 degrees & the 2nd is 28 degrees were taken at distance 100 feet apart?
[匿名]
回覆: 5
2019-03-13 10:25 am
Determine a value of a such that one root of the equation ax^2+x-1=0 is five times the other root. Explain.?
[匿名]
回覆: 5
2019-03-05 9:36 pm
Solve. ​ log6x+log6(x−1)=1 ​?
[匿名]
回覆: 4
2019-02-25 6:46 pm
if y=1-tanx/1+tanx find dy?dx?
[匿名]
回覆: 6
2019-02-20 2:06 pm
Need help with a math equation?
[匿名]
回覆: 2
2019-01-29 4:42 am
Express the complex number in trigonometric form 2i?
[匿名]
回覆: 3
2019-01-29 4:43 am
Write the complex number in the form a + bi. square root of six (cos 315° + i sin 315°)?
[匿名]
回覆: 1
2019-01-26 4:55 am
Find a ⋅ b. a = <2, 4>, b = <2, 5> please explain.?
[匿名]
回覆: 3
2019-01-26 4:56 am
Find a ⋅ b. a = 9i + 5j, b = 4i + 3j please help. super lost.?
[匿名]
回覆: 3
2019-01-26 4:56 am
Find the angle between the given vectors to the nearest tenth of a degree. u = <8, 7>, v = <9, 7>?
[匿名]
回覆: 3
2019-01-26 4:56 am
Determine whether the vectors u and v are parallel, orthogonal, or neither. u = <9, 3>, v = <36, 12>?
[匿名]
回覆: 4
2019-01-26 4:56 am
Evaluate the expression: v ⋅ w Given the vectors: r = <8, 8, -6>; v = <3, -8, -3>; w = <-4, -2, -6>?
[匿名]
回覆: 2
2019-01-24 5:06 am
Let u = <4, 8>, v = <-2, 6>. Find u + v?
[匿名]
回覆: 3
2019-01-24 5:07 am
Let u = <-8, -9>. Find 7u?
[匿名]
回覆: 7
2019-01-24 5:07 am
Let u = <-5, 1>, v = <7, -4>. Find 9u - 6v?
[匿名]
回覆: 4
2018-12-06 11:23 pm
using the derivative of e^x,show that if y=ln(x),then y'=1/x?
[匿名]
回覆: 7
2018-11-06 4:02 pm
Given two points, A(-2,5) and B(-4,3) find the equation of the circle with diameter AB.?
[匿名]
回覆: 3
2018-10-24 3:48 pm
One root of 3x^2 - 2(3b + 1)x + 4b = 0 is 8. Find the value of b.?
[匿名]
回覆: 9
2018-09-25 3:12 am
I ve been trying to figure this question for 30 min, still don t get it.?
[匿名]
回覆: 4
2018-08-21 4:47 pm
Is my answer correct to this math problem? Solve in x^n form. (2^-10/4^2)^7?
[匿名]
回覆: 8
2018-07-25 10:20 am
Area of a rectangle is n^2 -4n -5, where n is a positive number. If one side has length n+1, give the second side in terms of n. Working pls?
[匿名]
回覆: 4
2018-07-25 12:28 pm
Will the solution of an equation such as x-3=9 be a variable or number? Explain.?
[匿名]
回覆: 10
2018-07-03 9:21 pm
4/5 * 1 1/6=?
[匿名]
回覆: 4
2018-07-15 4:36 pm
solve the following: 27a-9b+3c-8=0 8a-4b+2c-8=0 -a-b-c-8=0 Find a,b,c?
[匿名]
回覆: 13
2018-07-03 12:44 am
is -2x+3 same as 2x-3?
[匿名]
回覆: 4
2018-05-07 10:19 am
Math question?
[匿名]
回覆: 10
2018-04-30 8:16 pm
If sin(a) = 3/5, find the value of cos(a) and sin2a?
[匿名]
回覆: 6
2018-04-27 1:51 am
How can a factor tree be used to simplify surds?
[匿名]
回覆: 8
2018-04-13 2:22 pm
Algebra 2 trigonometry help please?
[匿名]
回覆: 4
2018-04-11 10:23 am
Find an angle between 0° and 360° that is coterminal with the given angle. −200°?
[匿名]
回覆: 3
2018-04-10 3:10 pm
the sum of a number and four is tripled, the result is six less than twice the number. Find the number.?
[匿名]
回覆: 8
2018-04-03 3:58 pm
Math Problem Help!?
[匿名]
回覆: 6
2018-03-29 1:43 am
x ≥ y is it inequality?
cheuk man
回覆: 4
2018-03-26 3:06 pm
What is the value of x in radian if sinx = 3x/4? Thank you.?
[匿名]
回覆: 16
2018-03-19 8:40 pm
A certain factory employs 60 workers . if 4 out of every 5 workers are married, how many married workers are employed by the factory?
[匿名]
回覆: 8
2018-03-15 7:21 pm
what is 5 liters in kilograms?
[匿名]
回覆: 3
2018-03-14 2:24 pm
Trigonometry Vectors in the Plane Question, Please Help?
[匿名]
回覆: 3
2018-03-12 8:36 pm
The median of a set of six consecutive integers is 29/2. What is the value of the smallest integer in the set? Best answer?
[匿名]
回覆: 3
2018-03-08 10:57 pm
Prove the identity Sin x -cos x /sec x - csc x =sin2x/2?
[匿名]
回覆: 4
2018-03-07 5:50 pm
Is this correct? (Simple Products, MATHEMATICS) (8+6x) (8-6x) = (8)2 - (6x)2 = 82 - 62x2 = 64 - 36x2 FINAL?
[匿名]
回覆: 11
2018-02-20 7:53 pm
ALGEBRA QUESTION?
[匿名]
回覆: 11
2018-02-18 3:18 pm
In a group of 32 men and women, there are 6 more women than men. How many people of each gender are there?
[匿名]
回覆: 6
2018-02-12 9:23 am
Evalutate a^2b^4 when a= 9/25 and b= 1 2/3, I have no idea how to approach this?
[匿名]
回覆: 7
2018-02-12 10:09 am
If x^2=x, is the answer x=0, x=1 or x = undefined?
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