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Post New Question
All Questions
+0
230434 Questions
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2435
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+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.
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CandleGrant
Mar 2, 2018
0
719
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||=
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Sofiya.K
Mar 2, 2018
0
654
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,
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Guest
Mar 2, 2018
0
3
3641
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.
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Sofiya.K
Mar 2, 2018
0
461
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
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Sofiya.K
Mar 2, 2018
0
1248
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
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574
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
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Guest
Mar 2, 2018
0
763
3
+45
Help?
Please help me with these two questions?
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TheAwkwardCadet
Mar 2, 2018
0
625
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
452
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)
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Guest
Mar 2, 2018
+2
3094
2
Solve the equation $\log_3 (\log_2 x) = 2$.
Solve the equation
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Guest
Mar 2, 2018
+2
991
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?
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Mikeyy
Mar 2, 2018
0
1
1997
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?
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cmoore
Mar 2, 2018
0
510
1
Please help
How many integers $n$ satisfy $(n-2)(n+4)<0$?
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Guest
Mar 2, 2018
0
636
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
Mar 1, 2018
0
662
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
886
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
5090
2
+593
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
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jbouyer
Mar 1, 2018
0
548
1
Sequences? Not sure why an algebraic formula is different from a recursive.
Sequences? Not sure why an algebraic formula is different from a recursive.
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Guest
Mar 1, 2018
+1
694
5
+1495
Help Me please!!
Help Me please!!
Word problem
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ManuelBautista2019
Mar 1, 2018
+1
645
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
4119
2
+593
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
862
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
519
0
+1495
Help!!
Help!!
Powers:
Find the Square root of 3√4x2
ManuelBautista2019
Mar 1, 2018
+1
536
0
+1495
Help Me please
Help Me please
Powers: Perform the operation indicated.
read more ..
ManuelBautista2019
Mar 1, 2018
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