All Questions

0

2496

1

+20

Some Math Questions || Need Help ASAP Please

I don't understand how to do these:

1) What is the measure in radians for the central angle of a circle whose radius is 8 cm and intercepted arc length is 5.6 cm?
Enter your answer as a decimal in the box.
read more ..

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CandleGrant Mar 2, 2018

0

807

0

+20

A 400 pound object hangs from two cables with angles below the horizontal of θ=43 and ϕ=47 respectively. Determine the

A 400 pound object hangs from two cables with angles below the horizontal of θ=43 and ϕ=47 respectively. Determine the magnitudes of the tension vectors, ∣∣→T1∣| and ||T→2||.
∣|T→1||= ____ Lbs
||T→2||= read more ..

Sofiya.K Mar 2, 2018

0

744

1

Exponential Function Question

Miriam and Jessica are growning bacteria in a laboratory. Miriam uses the growth function f(t)=n2t while Jessica uses the function g(t)=n4t , where n repersents the initial number of bacteria and t is the time, in hours. If Miriam starts wiith 16 bacteria, read more ..

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Guest Mar 2, 2018

0

3

3705

2

+20

(Precalculus) An airplane is heading north at an airspeed of 700 km/hr, but there is a wind blowing from the northeast at 40 km/hr.

An airplane is heading north at an airspeed of 700 km/hr, but there is a wind blowing from the northeast at 40 km/hr.
The plane will end up flying _____ degrees off course.
The plane's speed relative to the ground will be _____ km/hr. read more ..

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Sofiya.K Mar 2, 2018

0

544

0

+20

(Precalculus) An ocean liner leaves Port Angeles and heads in the direction N 50 W. The boat travels 27 miles and reaches Easter Island. La

An ocean liner leaves Port Angeles and heads in the direction N 50° W. The boat travels 27 miles and reaches Easter Island. Later, the liner sails in the direction N 10° E for 41 miles, reaching Aruba.
How far apart are Port Angeles and Aruba? Give your read more ..

Sofiya.K Mar 2, 2018

0

1319

2

Exponentaial Function Question

Miriam and Jessica are growning bacteria in a laboratory. Miriam uses the growth function f(t)=n2t while Jessica uses the function g(t)=n4t , where n repersents the initial number of bacteria and t is the time, in hours. If Miriam starts wiith 16 bacteria, read more ..

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Guest Mar 2, 2018

0

662

0

equation

which statement explains why the equation 2x+x+5=180 can be used to solve for x?
A) All sides in a rhombusare congruent
B) A square is a type of rhombus
C) Opposite angles in a rhombus are congruent
D) Opposite sides read more ..

Guest Mar 2, 2018

0

854

3

+45

Help?

Please help me with these two questions?

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TheAwkwardCadet Mar 2, 2018

0

717

2

Help asap please

What is the value of $b+c$ if $x^2+bx+c>0$ only when $x\in (-\infty, -2)\cup(3,\infty)$?

What is the value of only when

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Guest Mar 2, 2018

0

546

0

Solving Problems Involving Inequalities

Please write an inequality based on the following problems, and let [variable] = the things in parentheses:

Harry, who is not yet 16 years old, is three years younger than Lena. (Lena's age)
read more ..

Guest Mar 2, 2018

+2

3143

2

Solve the equation $\log_3 (\log_2 x) = 2$.

Solve the equation

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Guest Mar 2, 2018

+2

1085

2

+100

Algebra 1 Systems

The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 292 people entered the park, and the admission fees collected totaled 888.00 dollars. How many children and how many adults were admitted?
read more ..

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Mikeyy Mar 2, 2018

0

1

2045

13

+37

Physical Science help.

1. How much heat in joules is needed to raise the temperature of 7.0 L of water from 0°C to 78.0°C?

2. How much heat is necessary to change 300 g of ice at -15°C to water at 20°C?
read more ..

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cmoore Mar 2, 2018

0

596

1

Please help

How many integers $n$ satisfy $(n-2)(n+4)<0$?

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Guest Mar 2, 2018

0

727

1

Math (Composition Function?)

f(x)= 3x+7
g(x)=?
h(x)=3x+7/3x+9
(gof)(x)=3x+7/3x+9 read more ..

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Guest Mar 2, 2018

0

750

1

I need help

A rectangle having integer length and width has a perimeter of 100 units. What is the number of square units in the least possible area?

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Guest Mar 1, 2018

0

984

3

Really need help on this problem

Prove that if w,z are complex numbers such that |w|=|z|=1 and wz≠1, then {w+z}/{1+wz} is a real number. How would I prove this using the complex plane?

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Guest Mar 1, 2018

+2

5138

2

+595

1. What is the sum of the first 7 terms of the series −4+8−16+32−...?

1. What is the sum of the first 7 terms of the series −4+8−16+32−...?

2. What is the sum of the series?
4+12+36+108+...+8748 read more ..

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jbouyer Mar 1, 2018

0

644

1

Sequences? Not sure why an algebraic formula is different from a recursive.

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Guest Mar 1, 2018

+1

783

5

+1495

Help Me please!!

Help Me please!!

Word problem
read more ..

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ManuelBautista2019 Mar 1, 2018

+1

736

1

+122

Geometry

(Just copy and paste the links below)

https://prnt.sc/il3pkj
read more ..

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Severoth Mar 1, 2018

+1

4177

2

+595

Mercedes rides her bike 10 miles in the first week. She increases the distance she rides by 2 miles each week.

Mercedes rides her bike 10 miles in the first week. She increases the distance she rides by 2 miles each week.
How many miles will she ride over the course of 8 weeks?

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jbouyer Mar 1, 2018

0

934

1

Help

For what values of $x$ is $x^2-2x>35$? Express your answer in interval notation.

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Guest Mar 1, 2018

0

606

0

+1495

Help!!

Help!!
Powers:
Find the Square root of 3√4x2

ManuelBautista2019 Mar 1, 2018

+1

623

0

+1495

Help Me please

Help Me please

Powers: Perform the operation indicated.
read more ..

ManuelBautista2019 Mar 1, 2018

All Questions ⁺⁰237644 Questions

Some Math Questions || Need Help ASAP Please

A 400 pound object hangs from two cables with angles below the horizontal of θ=43 and ϕ=47 respectively. Determine the

Exponential Function Question

(Precalculus) An airplane is heading north at an airspeed of 700 km/hr, but there is a wind blowing from the northeast at 40 km/hr.

(Precalculus) An ocean liner leaves Port Angeles and heads in the direction N 50 W. The boat travels 27 miles and reaches Easter Island. La

Exponentaial Function Question

equation

Help?

Help asap please

Solving Problems Involving Inequalities

Solve the equation $\log_3 (\log_2 x) = 2$.

Algebra 1 Systems

Physical Science help.

Please help

Math (Composition Function?)

I need help

Really need help on this problem

1. What is the sum of the first 7 terms of the series −4+8−16+32−...?

Sequences? Not sure why an algebraic formula is different from a recursive.

Help Me please!!

Geometry

Mercedes rides her bike 10 miles in the first week. She increases the distance she rides by 2 miles each week.

Help

Help!!

Help Me please

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