59,606 Answered Questions for the topic Math

Math

11/27/23

I don't know how to do these questions. Please help
You want to have $100,000 when you retire in 15 years. If you can earn 4% interest compounded monthly, how much would you need to deposit now into the account to reach your retirement goal? You... more
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11/26/23

Directionality Physics 2 Question
A long, straight wire lies on a horizontal table in the xy-plane and carries a current of 1.20 μA in the positive x-direction along the x-axis. A proton is traveling in the negative x-direction at... more
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11/26/23

Earth’s magnetic field question
The orientation of small satellites is often controlled using toque from current-carrying coils in Earth’s magnetic field. Suppose a multiturn coil has a cross-sectional area of 6.36 × 10-4 m2,... more
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11/26/23

Physics II Question
At a certain location, Earth has a magnetic field of 0.60 × 10-4 T, pointing 75° below the horizontal in a north-south plane. A 10.0 m long straight wire carries a 15 A current. (a) If the current... more
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11/26/23

Magnetic Field Question
A laboratory electromagnet produces a magnetic field of magnitude 1.50 T. A proton moves through this field with a speed of 6.00 × 106 m/s. (a) Find the magnitude of the maximum magnetic force that... more
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11/26/23

Physics 2 Homework Question
Consider an electron near the Earth’s equator. In which direction does it tend to deflect if its velocity is (a) directed downward? (b) directed northward? (c) directed southeastward?
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11/26/23

How many pounds are in 1 kg?
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Math Algebra 1

11/25/23

I need help please
 A swimming pool is being drained at a constant rate of 3 inches (depth of the water) per hour. The depth of the water after 5 hours is 32 inches. Write the equation for this function in point... more
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Math

11/25/23

Logarithm question

(5 - √3) / √(7 - 4√3 ) = P + √QFind the value of of Q- P
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Math

11/24/23

Finding the total

a book sold 35, 600 copies in its first month release. Suppose this represents 8.2% of the number of copies sold to date. How many copies have been sold to date? Round your answer to the nearest... more
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Math

11/24/23

Finding the total amount
an international company has 17,700 employees in one country. if this represents 34.7% of the company's employees does it have in total? Round to the nearest whole number.
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Math

11/24/23

Finding the total amount given
an international company has 17,700 employees in one country. if this represents 34.7% of the company's employees does it have in total?
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Math

11/24/23

I don't understand how to do these questions. it's a lot of questions that I keep getting wrong.
f(x) = 3x+5 and g(x) = 3x^2 +3x After simplifying: (f o g )= f(x) = 7x+7 and g(x) = 3 - x^2 Calculate: a. f (g(0))= b. g (f (0))=f(x) = x^4 +2, g(x) = x-9,... more
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Math Sat Math

11/24/23

What is the value of 4 x (1-2+3-4+5-6...+1000)
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11/22/23

Operations Management question
The Biggs Department Store chain has hired an advertising firm to determine the types and amount of advertising it should invest in for its stores. The three types of advertising available are... more
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Math

11/22/23

Help I don't understand how to do this

Given that f(x) =x^2-8x and g(x)= x+2, calculate(a) f o g (1)= Correct(b) g o f (1)= (c) f o f (1)= Incorrect(d) g o g (1)= I know I'm not using the "o" correctly but I'm not sure how to put it in.
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Math

11/22/23

What is perpendicular and parallel equation to this

Y=-7/2x+7what is perpendicular and parallel
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11/21/23

Math Date Problems

Wacky Wanda Witch can hardly wait for the harvest moon to complete her weird yet wonderful potion. The harvest moon will be on September 22nd this year. If today is one week before 2 days after 3... more
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11/21/23

Andrew draws a triangle ABC. He then constructs a perpendicular bisector from vertex A that intersects side BC at point D. What can Andrew conclude, based on his drawing?
Andrew draws a triangle ABC. He then constructs a perpendicular bisector from vertex A that intersects side BC at point D. What can Andrew conclude, based on his drawing? AB = BC  BD = DC  AD =... more
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11/21/23

If triangle ABC is congruent to triangle DEF, what would be the coordinate of F?
If triangle ABC is congruent to triangle DEF, what would be the coordinate of F? (6, 3)  (7, 3)  (6, 4)  (7, 4)
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11/21/23

Are triangles ADC and EBC congruent?
Are triangles ADC and EBC congruent? Yes, by SSS  Yes, by AAS  Yes, by SAS  Not enough information
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11/21/23

If a rotation takes triangle CAT to C′A′T′, what is C′T′?
If a rotation takes triangle CAT to C′A′T′, what is C′T′?  3    5  Cannot be determined
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11/21/23

Rectangle STUV is shown on a coordinate plane. If rectangle STUV is translated using the rule (x, y) → (x − 2, y − 4) and then rotated 90° counterclockwise, what is the location of S″?
If rectangle STUV is translated using the rule (x, y) → (x − 2, y − 4) and then rotated 90° counterclockwise, what is the location of S″? (3, −9) (3, −4) (−2, −4) (−2, −9)
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11/21/23

If rectangle ABCD was reflected over the y-axis, reflected over the x-axis, and rotated 180°, where would point A′′′ lie?
If rectangle ABCD was reflected over the y-axis, reflected over the x-axis, and rotated 180°, where would point A′′′ lie?  (1, −1)  (1, 1)  (−4, −1)  (−4, 1)
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11/21/23

What is the ordered pair of X′ after point X (3, 4) is rotated 180°?
What is the ordered pair of X′ after point X (3, 4) is rotated 180°?  X′ (3, −4)  X′ (−3, −4)  X′ (−4, 3)  X′ (−4, −3)
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