1,941 Answered Questions for the topic Maths

1h

Find S11 for the arithmetic series -9,-1,7,15...
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6h

g(x) = -2x - 3| h(x) = 3x - 2 | Find (g × h)(x)

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6h

good explanation needed!!!
You roll a 6-sided die. What is the probability that you will roll a 3 on the die? 3/6 correct ? if i am incorrect can you please explain what I need wrong.
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6h

needing good explanation on what to do. HELP NEEDED
tutor I believe I am correct but i keep second guessing myself . Can you please explain what im doing wrong ? If 10 square feet of carpet costs $22.99, how much does 30 square feet cost?  i took... more
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6h

explanation need need help with this graphing plots

What is the distance between the following points?  will I be reading from y axis to x axis right so (3,6)?
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16h

if f = {(0,2),(2,6),(3,15),(4,9)} and g = {(3,4),(2,1),(4,6),(5,9)} what is (f*g)(3)
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1d

NEED HELP! CAN YOU EXPLAIN TO ME WHAT I AM SUPPOSE TO DO OR HOW TO SOLVE THIS QUESTION
The ratio of the number of cats to dogs is 3:5. How many dogs would there be if there were 12 cats? what am I doing wrong I did 3+5=8 12/8=1.51.5x5+ 7.5 but that's wrong did i miss a step ?
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1d

X-y=10. 3x+y=18
Use elimination for this problem
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1d

Basic quen on probability

Quen: An ant farm contains both red and black ants. A particular passage in the farm is so narrow that only 1 ant can get through at a time. If 4 ants follow each other through the passage, how... more
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4d

Use matrices to solve the system of eqs (if possible). Use Gauss-Jordan elimination. (If no solution, enter NO SOLUTION. If system is dependent, set z = a and solve for x and y in terms of a.)
2x+2y-z= 14x-3y+z= -30-x+y =12(x,y,z) = ______
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4d

What is the center and radius of the circle represented by the equation (x – 9)2 + (y + 2)2 = 4?
A.center: (–9, 2), radius: 4B. center: (–9, 2), radius: 16C. center: (9, –2), radius: 4D. center: (9, –2), radius: 2
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4d

What is the ratio of the length of 𝐽𝐾⏜ to the length of 𝑀𝑁⏜ ?
What is the ratio of the length of JK⏜  to the length of 𝑀𝑁⏜ 𝑀𝑁⏜?ratio of length of JK⏜ to 𝑀𝑁⏜ 𝑀 = 
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4d

The vertices of GHJK are G(–1, 0), H(1, 6), J(5, 6), and K(5, 2). What is the most precise classification of GHJK?
A.quadrilateralB.trapezoidC.parallelogramD.kite
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4d

Which statement is true? Select all that apply.
Which statement is true? Select all that apply.A. AB=CDB. AB=BCC. AD=BC+2aD. 𝐴𝐵^- ll CD^-E. AD^- ll BC^-(^- means the letters have a line above them)
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4d

Rays HG and HJ are tangent to ⊙Q. What is 𝑚𝐺𝐾𝐽⏜ ?
Rays HG and HJ are tangent to ⊙Q. What is   𝑚𝐺𝐾𝐽⏜ ?  =  ˚
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4d

What is RS? Round to the nearest tenth.
What is RS? Round to the nearest tenth.
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4d

Problem on probability

Three cards are selected at random without replacement from a deck which contains 3 red, 3blue, 3 green, and 3 black cards. Give a sample space for this experiment and define the events:A: all the... more
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5d

Optimization Problem
A newspaper page has top and bottom margins that are 6 cm wide and side margins that are 4 cm wide. If the printed area on the page is 2,400 cm2, find the dimensions of the page so that it has the... more
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5d

A store is selling pants for 8.99 and shirts for 3.99. You can spend no more then $60 and want to buy at least two pairs of pants which of the following is a solution to the system of inequality

The answers are 2 pants and 12 shirts, 1 pants and 5 shirts, 9 pants and 4 shirts,3 pants and 3 shirts
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6d

terms and sequence
2/7,15/28, 11/14,1/28,.........next 2 terms will be?
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6d

I NEED MATH NOW!!!!!!!!!!!!!
A t-shirt and two pairs of shorts cost $53.50. At the same store, two t-shirts and 3 pairs of shorts cast $84. What is the cost of one pair of shorts? Use a system of equations to solve. YOU MUST... more
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6d

Point D is in the interior of ∠ABC. What is m∠DBC? There is angle ABC which is divided into two angles, angle ABD having (3x + 22) degrees and angle DBC having (x - 4) degrees. m∠DBC = °
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8d

NEED HELP! CAN YOU EXPLAIN TO ME WHAT I AM SUPPOSE TO DO OR HOW TO SOLVE THIS QUESTION.

 Kendra is making her homemade muffin recipe. She uses a certain amount of flour to produce the number of muffins shown in the table. Which ratio is equivalent to the number of cups of flour to the... more
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8d

The equation of x^{2}y^{2}=64 creates a graph representing a cross pattern. Is there a name for this type of graph?
This was done on an online graphing calculator. I talked with my math teacher and she says she doesn't know what the name of the graph would be. Just for curiosity, not part of an assignment.
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8d

NEED HELP! CAN SOMEONE EXPLAIN HOW OR WHAT IM SUPPOSE TO DO? I NEED A GOOD EXPLAINATION PLEASE

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