12/19/17

Which is the probability that a car drawing for my standard deck is red and an 8?

a) 0.25 b) 0.16 c) 0.08 d) 0.04

12/19/17

in an arithmetic sequence the sixth term is half the fourth term and the third term is 15

Arithmetic sequence need help please

12/19/17

Solve the exponential equation, round to the nearest hundredth.

34x+5=130

Prove that (2n+1)^3+1 isn't a square number.

Please help me! Thanks for help!

What multiples to give me 20 and adds to give me -12

x2-12x+20

12/16/17

What would x equal if your slope was -5 and the points in the line were (3,2)&(x,-3) how would you set it up

I don’t know how to set it up

12/16/17

The Tigers played 48 games last season. They lost 26 more games than they won. How many games did they win that​ season?

I don't know where to begin to solve this mathematical word problem.

Each side of a regular septagon (7 sides) is 10cm long. What is the radius of the inscribed circle?

 I don't want it done using a formula. I want to learn how to do it using cos, tan, sin or sin(a)/A = sin(b)/B, sin(b)/B=sin(c)/C.

12/15/17

what is x – 5 < 2 as an inequality

x - 5 < 2

12/15/17

Write a equation.

Write a equation for a circle that has a center at ( -6 , 5 ) and passes through the point ( -11 , 3 )

12/15/17

What is the line parallel to y=-5/7+2 and passes through (-7,-2)

I would like to know the answer to this please. 

12/15/17

A car is driving at a speed of 50 mi/h. What is the speed of the car in feet per minute?

I really need help with this problem.  It's kind of confusing.

12/14/17

A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 3/2x. Find the height of the cone in terms of y.

 I need the answers by tomorrow. Please try to answer it. Thank you!

12/14/17

Pre calc questions

1. Two of the three missing digits of the five-digit perfect square number 3, _, _, _, 9 are the same. What is the other missing digit? 2. What is the least positive multiple of 25 for which the... more

The shortest side of a right triangle measures 7 m.

The shortest side of a right triangle measures 7 m. The lengths of the other two sides are consecutive integers - the hypotenuse being the longer of the two. Find the lengths of the other two sides

12/13/17

How many yins were there when there were 64 yangs and 4 jades

yins varied directly as yangs and inversely an jades squared. when there were 15 yins, there were 90 yangs and 6 jades. How many yins were there when there were 64 yangs and 4 jades

12/13/17

In the triangle below, with right angle ∠E , suppose that =m∠C−4x15° and =m∠D+3x21° . Find the degree measure of each angle in the triangle.

In the triangle below, with right angle ∠E, suppose that =m∠C−4x15° and =m∠D+3x21°.Find the degree measure of each angle in the triangle.

12/13/17

a given rectangle has area 216m^2 and a perimeter of 60m. find its dimensions.

this questions stumped me.

12/13/17

How long does it take for a one-kilometre-long train going at 60km per hour to go through an eight kilometre long tunnel? Give your answer in minutes

Why is the answer (8km+1km)/60km x 60minute ? Why not  8km/60km x 60minute? Where does the extra 1 km come from?

12/12/17

A ladder leans against a building. The foot of the ladder is 2 feet from the building and reaches to a point 7 feet high on the building.

A ladder leans against a building. The foot of the ladder is 2 feet from the building and reaches to a point 7 feet high on the building. What is the measure of the angle formed by the ladder and... more

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