2,563 Answered Questions for the topic Maths

04/19/21

X-y=10. 3x+y=18
Use elimination for this problem
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04/19/21

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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04/17/21

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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04/16/21

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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04/16/21

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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04/16/21

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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04/16/21

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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04/16/21

What is RS? Round to the nearest tenth.
What is RS? Round to the nearest tenth.
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04/16/21

What are the coordinates of the vertices of D(3, A) (△ABC) for A(0, 4), B(–2, 5), and C(3, 7)?
A.)A′(0, 12), B′(−6, 15), C′(9, 21)B.)A′(0, 15), B′(−6, 18), C′(9, 24)C.)A′(0, 9), B′(−6, 12), C′(9, 18)D.)A′(0, 4), B′(−6, 7), C′(9, 13)
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04/16/21

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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04/16/21

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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04/15/21

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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04/15/21

terms and sequence
2/7,15/28, 11/14,1/28,.........next 2 terms will be?
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04/15/21

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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04/14/21

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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04/12/21

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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04/12/21

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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04/12/21

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

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04/12/21

can someone help me with this below question (help needed)
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04/12/21

What is m∠XYQ? A line segment QY intersects another line segment XZ at the point Y to form the angles XYQ and QYZ measuring (10a+2) degrees and (5a-2) degrees respectively. m∠XYQ =
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04/11/21

Terms and sequence
The first four terms of a number sequence is given as follows:2, 3/2, 4/3, 5/4,...........a) Write down the n th term, in terms of n.b) Is the 229/227 number in this sequence? Explain your answer.
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04/11/21

Terms and sequence
The diagrams are made up of hexagons.Diagram 1 = 6 hexagonsDiagram 2 = 10 hexagonsDiagram 3 = 14 hexagonsDiagram 4= 18 hexagonsb) Find an expression, in terms of n, for the nth term of the... more
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04/11/21

Sequence and terms
Figure 1= 1 squareFigure 1= 4 squareFigure 1= 7 squareFigure 1= 10 square Write down the formula of n for the number of squares in figure n. Explain whether it is possible for a figure to have 90... more
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04/11/21

New ratio of Jar A & B
The ratio of the number of cookies in Jar A to the number of cookies in Jar B is 3:8. Half of the cookies in Jar A are transferred to Jar B. What is the new ratio of the number of cookies in Jar A... more
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04/09/21

how to solve for ratio? help needed

In the school cafeteria, 3 out of every 5 students buy a sandwhich for lunch. Which represents the ratio of students that buy a sandwhich to students who do not buy a sandwhich.2/5 right ?
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