05/01/18

Is it true or false that the Milky Way is a member of the local group

i need help please

05/01/18

Is it true or false that the Milky Way is 5.8 million light years from the farthest galaxies

i don’t know if it’s true or false  

Evaluate the Limit as x approaches -5. (-2/x+5)

Evaluate the Limit as x approaches -5. (-2/x+5)

alex needs 1/2 a cup, he only has 1/8 how much more does need

 Alex is making cookies he needs to measure 1/2 a cup of flour.  However he only has 1/8 measuring cup.  What will he need to do in order to make sure he has the correct amount of flour

05/01/18

One less than twice what negative number squared is 97

i dont even know what this means

05/01/18

During which radioactive decay process does a nucleus lose 2 neutrons and 2 protons?

A) Gamma Decay B) Beta decay (positron) C) Alpha decay D) Beta Decay (electron)

what is 1/6 times 2/3

i need the answer please.

05/01/18

During which type of change can an atom of uranium become an atom of plutonium?

A) Physical B) Chemical C) Nuclear D) Phase

A function f has the property that f(x/2) = Sqrt((1 + f(x))/2) for 0 <= x <= 1. If f(a) = 0 where 0 <= a <=1, what is the value of f(a/4)?

Apparently the answer is 0.98, but I have no idea how to get that.

How far does each boat move?

A canoe and a motor boat travel toward each other from a distance of 70 miles. The motor boat moves 12 miles per hour faster than the canoe. The two bats pass after 2.5 hours.  Provide equation... more

05/01/18

Maths question

When the chef turned the new freezer on, the temperature on the internal thermometer was 2 °C.After breakfast had been served, the temperature had gone down by 15 °C.What was the new temperature?

What is the expression for ' twice the sum of 12 and Ethel's age ?"

I need help to find the expression 

04/30/18

What is the slope of a line perpendicular to the graph of the line that is described by the equation y = 4/ 7 x + 5?

What is the slope of a line perpendicular to the graph of the line that is described by the equation y = 4/7x + 5?

04/30/18

Write an equation for a linear function whose graph has the given characteristics below

Horizontal, passes through (3, −32)

What is negitive 9/10 as a decimal

I need to know what negitive 9/10 is as a decimal.

The formula weight for tris is 121.1g . In order to make a 1M solution of tris in a total volume of 500ml , you would need to weight out how much tris ?

The formula weight for tris is 121.1g . In order to make a 1M solution of tris in a total volume of 500ml , you would need to weight out how much tris ?

04/30/18

Which equation can be used to find the height of the cylinder if you know its volume and radius?

The following formula can be used to find the volume of a cylinder with radius, r,and height, h.V=πr^2hWhich equation can be used to find the height of the cylinder if you know its volume and... more

04/30/18

what is the proportion of 1/5

I dont know the proportion of 1/5 and I need help finding it

04/30/18

Which of these is likely to be found in a nation ruled by a dictatorship?

answers A. Freedom of the press B. Equal treatment for everyone C. A secret police force or D. Open and fair elections

find the number of points on x-axis which are at a distance of 2 units from (2,4)

 find the number of points on x-axis which are at a distance of 2 units from (2,4). i want the step by step process

04/29/18

Help with chemistry?

A 500 mL sample of a gas at 507 torr and 97 degrees Celcius has a mass of 0.966g. What is the gas?

04/29/18

Roy traveled 72 miles in 112 hours. What was his average speed during the ride in miles per hour

i need help this is really hard

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