All Questions ⁺⁰237767 Questions

0

141

1

geometry

Let ABC be a right triangle, and let H be the point on side AB so that CH is perpendicular to AB. Prove that (x + h)^2*(y + h)^2 = (a + b)^4.

Guest Jun 26, 2023

0

138

1

solve

If I give my brother 5 dollars, then we will have the same amount of money. If instead he gives me 25 dollars, then I'll have twice as much money as he will have. How much money does my brother currently have (in dollars)?

Guest Jun 26, 2023

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135

1

need help

In how many ways can the numbers 1 through 5 be entered once each into the five boxes below so that all the given inequalities are true?

Guest Jun 26, 2023

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143

2

plz help

Catherine rolls a standard 6-sided die six times. If the product of her rolls is then how many different sequences of rolls could there have been? (The order of the rolls matters.)

Guest Jun 26, 2023

0

126

0

quadratic

Let a and b be the roots of the equation 2x^2 - 7x + 2 = x^2 - 3x + 4. Find 1/(a-1)+1/(b-1)

Guest Jun 26, 2023

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135

1

slope

what is the slope of a pipe that 120 feet long and drops 6 feet

Guest Jun 26, 2023

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134

1

a question about tangent

a grade 9 student participated in the flag-raising ceremony. If the angle from the top of the pole whose height is 10 meters is 63 degrees. how far is the student from the base of the flag pole

Guest Jun 26, 2023

+1

51

5

+95

Help

Let a and b be the roots of the quadratic x2 - 5x + 3 = 0. Find the quadratic whose roots are a2 and b2.
x2 + filloutx + fillout
Fillout will equal the values of a and b squared&nbs read more ..

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ZBRS7311 Jun 26, 2023

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132

1

proportion

I need help with this
In physics, Ohm's law says that current through a wire, I, is directly proportional to voltage, V, and inversely proportional to resistance, R:
I = V/R
It's also true that resistance is directly proportional read more ..

Guest Jun 26, 2023

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136

0

pls help fast geometry

The vertices of a triangle are at (0, 0), (6, 6), and (9, 3). What is the volume, in cubic units, of the figure created by rotating the triangle about y = x?

Guest Jun 26, 2023

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122

0

system

Help Im stuck
For a certain value of k, the system
x + y + 3z = 10
4x + 6y + 9z = 7 read more ..

Guest Jun 26, 2023

+1

106

4

+5

Please help - Congruence and Residues/Number theory

How many positive integers less than 1000 are congruent to 6 (mod 11)?

imsoconfused Jun 26, 2023

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56

6

please help

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Guest Jun 26, 2023

-1

124

1

+3

hurry

k(t)=13t−2k, left parenthesis, t, right parenthesis, equals, 13, t, minus, 2 � ( 3 ) = k(3)=

BayBay Jun 26, 2023

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136

0

trapezoid

Can anyone help with this?
Let ABCD be a trapezoid with bases AB and CD. Let P be a point on side CD, and let X, Y be the feet of the altitudes from P to AD, BC respectively. Prove that if AD = 5, BC = 7, AB = 6, CD = 12, read more ..

Guest Jun 26, 2023

0

125

0

system

plz help with systems
For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb read more ..

Guest Jun 26, 2023

0

140

0

system

Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
a + 2b + 3c + 4d + 5e = 41
2a + 3b + 4c + 5d + e = 15
3a + 4b + 5c + 1d + 2e = 34 read more ..

Guest Jun 26, 2023

0

73

4

+274

Please help!

There are members in the Trumpington marching band, and when they line up in rows of 26, there are 4 band members left over. If is an integer and there are fewer than 1000 band members, what is the maximum number of people that could read more ..

supremecheetah Jun 26, 2023

0

130

3

system

Im having trouble with this
One ordered pair (a,b) satisfies the two equations ab^4 = 48 and ab = 72. What is the value of b in this ordered pair? (Note: you may have to use the Tab key to get your cursor into the middle answer box read more ..

Guest Jun 26, 2023

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137

1

coefficient

Find the coefficient of $u^2 v^9$ in the expansion of $(2u - 3v^3 + v^2 - 5u^2 + 1)^5.$

Guest Jun 26, 2023

-2

150

2

ratios

In Linguistics 101, the ratio of the number of juniors to the number of seniors is 3:2. When six more juniors join the class, and one senior drops the class, the ratio of the number of juniors to the number of seniors becomes 2:3. How many read more ..

Guest Jun 26, 2023

0

131

1

rates

Will and Grace are canoeing on a lake. Will rows at 50 meters per minute and Grace rows at 20 meters per minute. Will starts rowing at 2 p.m. from the west end of the lake, and Grace starts rowing from the east end of the lake at 2 p.m. read more ..

Guest Jun 26, 2023

0

150

1

ratios

A bag contains yellow, green, blue, and white marbles. The ratio of yellow, green, blue, and white marbles is 1:2:3:4. If the bag contains 180 marbles, then how many blue marbles are there?

Guest Jun 26, 2023

0

130

0

solutions

How many solutions are there to the equation
u + v + w + x + y + z = 10
where u, v, w, x, y, and z are nonnegative integers, and x is at most 2 or y is at least 3?

Guest Jun 26, 2023

0

130

0

need help

I am really stuck on this
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in read more ..

Guest Jun 26, 2023

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