05/23/19

√(-3) × √(-3) = -3 why not 3
√(-3) × √(-3) = -3or√(-3) × √(-3) = √(-3×-3)=√9=3
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05/20/19

How do you solve sin(2x) = —√3/2 and find all the solutions in the interval [0,2π)?
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05/19/19

The partial sum 1 + 5 + 9 + ⋯ + 77 equals (Help pls)
The partial sum 1 + 5 + 9 + ⋯ + 77 equals: ______
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05/18/19

Geometry problem

The Area of a sector of a circle with a radius measuring 15cm is 75∏ cm2 . what is the measure of the central angle that forms the sector ?
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05/10/19

Rewrite the complex number in polar form, z=r(cos(theta) + i sin (theta)), z =2 - 2i = ?
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05/10/19

Please help with this

Rose has a spherical plum of radius 2 and a spherical watermelon of radius 8. She builds a glass sphere around the two fruits to contain them, making the sphere as small as possible. When she has... more
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05/08/19

Integers what is the sum of
Can you please tell me the sum of two consecutive odd integers to equal 540? This is for college and we need to learn how to find integers to equal odd or even numbers. However, this time it is an... more
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05/08/19

I need help with algebraic math
y+8 /5 =y+6 /7 this equation is baffling me. I keep coming up with y=0 or 28/15 or 1.9 or 0.5 I am having so much trouble with my math. I am back in college and this is going to be on an exam... more
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05/01/19

How do you simplify 9^(1/2) × 3^ (-2/3)?
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05/01/19

If sin α + cos β = 2; (0° ≤ β < α ≤ 90°), then sin ((2α + β) /3)?
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05/01/19

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.
Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.n= 3; 5, and 3-3i are zeros
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05/01/19

Solve by completing square root property.

Solve by completing square root property. (x+4)^2 = 121
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05/01/19

How many sides does a regular polygon have whose interior and exterior angles are in the ratio 3:1?
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05/01/19

determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.
determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x^2-16x
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04/30/19

Word question see below
A car travel 213 miles on a trip. During 38 miles of the trip, the car travel through the city and has gas mileage that was six fewer miles per gallon in the gas mileage on the highway. If the... more
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04/27/19

Can you find all real zeros of the function f(x) = x^3+5x^2-18x-72?
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04/16/19

How do you find the system???
When you reverse the digits in a certain two-digit number you decrease its value by 18. Find the number if the sum of its digits is 6.
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04/02/19

Find the area of the regular 20-gon with radius 11 mm.
I need Geometry help!!!
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04/02/19

Find the area of the regular 15​-gon with radius 8 mm.
Find the area of the regular 15​-gon with radius 8 mm.
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03/29/19

The diameter of a circle has endpoints A(9,-7) and B(-2,5). Find the length of the radius. Please I need some help and thanks.
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03/29/19

Please help me.

One number has a prime factorization of 2 3 • 3 2, and another number has a prime factorization of 2 2 • 3 3. Which of the following expressions would equal the greatest common factor of these two... more
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03/29/19

Solve the equation. Cos^2θ-sin^2θ=1+sinθ on the interval 0<θ<2π
Please help! This is for my precal class test review and I’ve been trying to solve it for an hour now and can’t seem to figure out how to do it. Here is the problem once again: cos2θ-sin2θ=1+sinθ... more
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03/27/19

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x
Which represents the inverse of the function f(x) = 4x?h(x) = x + 4h(x) = x – 4h(x) = xh(x) = x
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03/27/19

FIND THE AREA OF RECTANGLE WITH GIVEN PERIMETER AND DIAGNOL
GOOD MORNING ,TODAY I'd like to ask a doubt HOW CAN WE FIND THE AREA OF RECTANGLE WITH PERIMETER 68 m AND DIAGNOL 26m ?
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03/13/19

The sum of three consecutive even numbers is 96. What is the largest number?
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