All Questions ⁺⁰237783 Questions

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Help algebra

Can anyone help with a quick ratio problem?
A bag contains yellow, green, blue, and white marbles in the ratio 4:2:3:7. If the bag contains 240 marbles, then how many blue marbles are there?

sandwich Apr 24, 2023

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140

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+1348

Help I'm stuck

Can anyone help here? I keep trying, but I can't get the right answer.
For a certain value of k, the system
3a + 4b = 7
6a + 4b = k + 3a read more ..

sandwich Apr 24, 2023

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121

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+8

I need help

Martha's Spanish Restaurant bought pounds 7 3/10 of green peppers and 10 1/10 pounds of red peppers. How many pounds of peppers did Martha's Spanish Restaurant buy in all? Express your answer as a simplified mixed number.

maelynn Apr 24, 2023

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142

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Help I don't get geo

I need help with polygons
Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on AB with a vertex C next to A Find angle BCD in degrees.

Guest Apr 24, 2023

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160

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Please help quick

I need this
A standard six-sided die is rolled 7 times. You are told that among the rolls, there was one 1, two 2's, and three 4's. How many possible sequences of rolls could there have been? (For example, 5, 1, 2, read more ..

Guest Apr 24, 2023

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159

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1. The grid lines in the graph are one unit apart. The red parabola shown is the graph of the equation y-ax^2+bx+c. Find the product abc.

1. The grid lines in the graph are one unit apart. The red parabola shown is the graph of the equation y-ax^2+bx+c. Find the product abc.
FYI: the answer is not 2

2. read more ..

Guest Apr 24, 2023

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146

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A downward-facing parabola passes through the points (1,7) ,(3,13), and (9,7) . Find b if the parabola passes through (7,b) .

A downward-facing parabola passes through the points (1,7) ,(3,13), and (9,7) .
Find b if the parabola passes through (7,b) .

Guest Apr 24, 2023

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151

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+59

Parabolas

Find the equation of the axis of symmetry of the parabola. Each box in the grid represents 1 unit.

Enter the answer as an equation.
THX read more ..

dumplings Apr 24, 2023

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Find the (perpendicular) distance from the line given by the parametric equations: x(t)=-1+4t y(t)=4-10t z(t)=3+10t to the point (2,1,7)

Find the (perpendicular) distance from the line given by the parametric equations:
x(t)=-1+4t
y(t)=4-10t
z(t)=3+10t
to the point (2,1,7)

Guest Apr 24, 2023

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159

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Help plz

Help I don't know how to count
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 read more ..

Guest Apr 24, 2023

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142

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I need help

How do you do altitudes.
Triangle ABC has altitudes AD, BE, and CF. If AD = 12, BE = , and CF is a positive integer, then find the largest possible value of CF.

Guest Apr 24, 2023

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129

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Help me

Help, I can't post the diagram
Given that JD || EK, FBD = 39 and ABG = 46, find ECG (in degrees).

Guest Apr 24, 2023

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150

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+1348

Linear equations

I keep getting the wrong answer on this one.
Find the distance between the x-intercept and the y-intercept of the graph of the equation 3x - 7y = 21 + 2x - 5y.

sandwich Apr 24, 2023

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51

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Describe all solutions to zw -3w - 2iw + 4iz = - 8 + 12i where z and w are complex numbers.

Describe all solutions to zw -3w - 2iw + 4iz = - 8 + 12i where z and w are complex numbers.
I don't understand how to start tackling this problem. Can anyone help?

Guest Apr 24, 2023

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159

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Polynomial Question

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=3 and a root of multiplicity 1 at x=-3. The y-intercept is y=-16.2. Find an equation for P(x). P(x)=

Guest Apr 24, 2023

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160

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help

Solve 2z+i=iz+3 Express your answer in the form: x+yi

Guest Apr 24, 2023

Apr 23, 2023

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140

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Unable to sovle this

In triangle AB, let the angle bisectors be BY and CZ. Given AB = 16, AY = 16, and CY = 16, find BC and BZ.

Guest Apr 23, 2023

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142

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help with question

Can anyone help with this?
Let PQR be an equilateral triangle, centered at O. A point X is chosen at random inside the triangle. Find the probability that X is closer to O than to any of the sides. (In read more ..

Guest Apr 23, 2023

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134

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+12

I need help with this ASAP pls

Let f(x)= log{3}(x) and g(x)=3^x. What is the value of f(g(f(f(f(g(27)))))?
Thank you

Troutish Apr 23, 2023

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