11/17/20

Strontium-90 has a half-life of 29 years. Given that you begin with a 24 mg sample, determine a model that represents the amount of the sample still remaining after 64 years
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11/17/20

Shooting Star Math

A right triangle is shown with the vertices labeled Earth, Sun, and Shooting Star. The angle formed by the Sun is labeled x degA scientist measures the angle x and the distance y between the Earth... more
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11/12/20

given: m||n ; j||k prove: m∠1+m∠4=180
STATEMENTSm || n ; j || k ∠1 ≅ ∠2 ∠3 ≅ ∠4 m∠1 =  m∠2 ; m∠3 =  m∠4  m∠2 +  m∠3 = 180 m∠1 +  m∠4 = 180
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11/12/20

Which inequality can be used to determine the number of minutes after which the amount of cold water Celia put into the bathtub is greater than the amount of hot water she put into the bathtub?
Celia put hot and cold water into a bathtub. For the first two minutes she added hot water to the bathtub. After two minutes, she added both hot and cold water to the bathtub. The hot water flows... more
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11/12/20

Why is 2x/y not a monomial?
I'm not sure about this because why can 2p^10/w^6 be a monomial and 2x/y can't? Because it has no power? Then why is 5a a monomial?
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11/09/20

which of the following expressions is equal to 3x^2+27
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11/03/20

Trigonometry Question
Determine which formula can be used to find the required measurement directly.Given:  a, b, c   Find: m/ C = AnswerGiven:  b, c, m/ C    Find: a = AnswerGiven:  a, c, m/ B    Find: b =... more
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11/02/20

I need to know the answer to this problem.
Grace's book shop had a sale on books all of the books were priced at $0.40 each . Betty spent as much of her $2.30 at Grace's book shop as she could. Write and solve an inequality to determine the... more
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10/27/20

Help me! I am 10 grade but I had always had a problem with slope!
Finding the Slope from PointsWhat is the slope of the line that passes through the points (−10,−4) and (10,−29)? Write your answer in simplest form.
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10/27/20

If the measure of angle LMP is 11 degrees more than the measure of angle NMP and the measure of angle NML = 137 degrees, find LMP and NMP
Please help this is for school, please show steps and how to solve as well as the answer please.
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10/19/20

Point E is on line segment \overline{DF}DF. Given DE=12DE=12 and EF=6,EF=6, determine the length \overline{DF}.DF.
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10/19/20

Dilate the following points : A(-5,3) B(-7,5) C(-1,1) D(-6,2) with a scale factor of k=2
help .
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10/19/20

Determine the number of solutions
y=3x^2y=3x-2Help!
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10/17/20

A restaurant sells 330 sandwiches each day. For each $0.25 decrease in price, the restaurant sells about 15 more sandwiches.

I need to know the cost of each sandwich and the max. daily revenue
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10/16/20

BD is the perpendicular bisector of AC. What is the length of AB and BC?
BD is the perpendicular bisector of AC. What is the length of AB and BC?   
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10/16/20

Find two points on the graph of the parabola other than the vertex and x-intercepts.
r(x)=x2+4x+3A: (___,___)B: (___,___)
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10/16/20

the rule is A ́(0-2 3-4) preimage is A(0,3) what the image
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10/14/20

Please help with this problem answer possibly?
A∠A and ∠B∠B are complementary angles. If m∠A=(8x+27)∘∠A=(8x+27)∘ and m∠B=(6x−21)∘∠B=(6x−21)∘, then find the measure of ∠B∠B.???
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10/14/20

Which of the following is an integer? A. 1⁄2 C. 5 B. -2.75 D. 7 1/5
Which of the following is an integer? A. 1⁄2 C. 5 B. -2.75 D. 7 1/5
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10/12/20

Algebra II: Coordinate Planes
How do you find the equation of the line on a coordinate plane?the line goes from 6 down to negative 6 slashing through -3.
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10/10/20

is the given number a solution of the equation or inequality
3x-4=10; 5 5 being the given number.
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10/09/20

The sum of three numbers is 88. The second number is 3 times the third. The third number is 7 more than the first. What are the numbers?

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10/02/20

Write the equation of the line passing through the point (6,-2) and has a slope of m=1/3. Leave your answer in standard form
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10/02/20

If QR=13 , RS =x + 8 , and QS=6x + 16, what is RS
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10/01/20

What is the equation of a circle with its center at (−6,−3) and a radius of 12?
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