All Questions ⁺⁰235719 Questions

0

31

0

+838

Sum

Compute the sum
\frac{1}{\sqrt{36} + \sqrt{39}} + \frac{1}{\sqrt{36} + \sqrt{45}} + \frac{1}{\sqrt{39} +\sqrt{96}}

magenta Feb 23, 2024

0

31

1

+838

Complex Numbers

Let x and y be complex numbers. If $x + y =2$ and $x^3 + y^3 = 5$, then what is $x^2 + y^2$?

magenta Feb 23, 2024

Feb 22, 2024

0

32

0

+0

Real-world Applications of Trigonometric Functions

xXValeXx Feb 22, 2024

-1

45

1

+0

Angles and Angle Measures

What is the equivalent radian measure for the given degree measure?
45 Degrees
240 Degrees
260 Degrees read more ..

xXValeXx Feb 22, 2024

-1

42

1

+0

Angles and Angle Measures

In what quadrant does the terminal ray of the angle lie?
-160 Degrees
-104 Degrees
187 Degrees read more ..

xXValeXx Feb 22, 2024

+1

28

2

+52

im lost

Convert 2231_4 to base 2 without first converting to decimal.

MEMEGOD Feb 22, 2024

0

30

2

+52

pls help

Convert 35 from base 10 to base 2

MEMEGOD Feb 22, 2024

0

46

1

+1439

Algebra

Let S be the set of all real numbers of the form
a1/3 + a2/3^2 + a3/3^3 + ....
where a_i \in {0, 1, 2} for all i.
(a) Is the number 1/7 in the set S?
(b) Is the number 1/4 in the set S? read more ..

kittykat Feb 22, 2024

0

35

0

+1439

Sum

Compute
1 + \frac{3}{6} + \frac{5}{9} + \frac{7}{12} + \dotsb.

kittykat Feb 22, 2024

0

51

0

+1439

Sum

Compute
\frac{1}{1 \times 4} + \frac{1}{4 \times 7} + \frac{1}{7 \times 10}

kittykat Feb 22, 2024

0

27

0

+1439

Algebra

In class, we derived that
\frac{1}{n(n + 1)} = \frac{1}{n} - \frac{1}{n + 1}.
Fill in the blanks to make a true equation:
\frac{5x}{(x - 1)(x^2 + 2)(x + 7)^3)} = \frac{A}{x - 1} + \frac{Bx + C}{x^2 + 2} + \frac{D}{x + 7} read more ..

kittykat Feb 22, 2024

0

44

2

+24

I need help

Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear expressions: read more ..

iuuhfeusedhu Feb 22, 2024

0

35

1

+24

PLEASE HELP ASAP

Find the number of ordered pairs of integers such that
read more ..

iuuhfeusedhu Feb 22, 2024

0

25

0

+1768

Algebra

Let $a_1,$ $a_2,$ $a_3,$ $\dots$ be an arithmetic sequence. Let $S_n$ denote the sum of the first $n$ terms. If $S_1 = \frac{1}{5}$ and $S_2 = \frac{1}{10},$ then find $S_{15}.$

bader Feb 22, 2024

0

19

1

+0

Algebra

In a store window, there was a box of berries having a total weight of 200 kg. The berries were 98% water, by weight. After two days in the sun, the water content of the berries was only 95%, by weight. What was the total weight of the berries read more ..

Lilliam0216 Feb 22, 2024

0

17

1

+0

ALGEBRA linear equations

The system of equations
{xy}/{x + y} = 1,{xz}/{x + z} = 2, {yz}/{y + z} = 4
has exactly one solution. What is z in this solution?
I need help, I figured that x and y are both 2, but it's impossible.

Lilliam0216 Feb 22, 2024

0

2

0

+400

help with algebra

Laverne starts counting out loud by ${}5$'s. She starts with $2$. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds $50,$ Shirley runs screaming from the room. What number does Laverne say that read more ..

omgitsrne Feb 22, 2024

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