# Ms Pi 3.14159265358979323

Popular questions and responses by Ms Pi 3.14159265358979323-
## Writing

Snowflake said it was for her story...

*posted on February 24, 2020* -
## Math

Do the 5 arrows come together at a point? If they do they are the dot at the center of a circle, thus they would all add up to 360 degrees. Without a diagram... It is very hard to tell... sorry : (

*posted on February 24, 2020* -
## science

#1 is A) grass is a producer : ) What do you think the other answers are??

*posted on February 24, 2020* -
## Writing

Broken glass could be a) a weapon used for good or evil b) an ornament that was broken (such as a blown glass ball... usually hung in a window to display light : ) It could have been broken for a good reason, or an evil one c) a piece of glass could be a

*posted on February 24, 2020* -
## math

Well you know that all four sides of a square are the same length... so D is out, and C is out... since there are not two numbers that form a square that give a different area and perimeter. So you are back to A and B... consider a rectangle with length 12

*posted on February 24, 2020* -
## math

Independent are the hours (they go on the x -axis) Dependent is the money she makes (it goes on the y-axis) The money she makes is dependent on the hours she works.

*posted on February 23, 2020* -
## Maths

The History only section of the circle is 60 - 4 - 17 - 5 which is 34 The 60 minus the pieces that are shared with other subjects : )

*posted on February 23, 2020* -
## Maths

The Venn diagram has three big circles. In the very center of the circles is the 17 that took all three. Remember to subtract the 17 when you make the numbers inside the arcs of where the circle hits. For example... inside the section where 22 were offered

*posted on February 23, 2020* -
## science

Mosses are the second largest group of plants in terms of species numbers. They type of moss you might find would depend on the wooded area you are in. In a wet wooded area the type would vary greatly from in a dry wooded area.

*posted on February 23, 2020* -
## math

Let m = Mondays book sales Tuesday was twice as many... 2m and Wednesday was 6 less (so minus 6) then Tuesday Sales = Monday + Tuesday + Wednesday Sales = m + 2m + 2m-6 Sales totalled 19 19 = m + 2m + 2m - 6

*posted on February 23, 2020* -
## math

10q-20 when common factored (which is you bring the biggest number that goes into both pieces out to the front) = 10(q - 2) You can do a check to see if your answer is right when you multiply the 10 back into the brackets check: 10(q) - 2(10) = 10q - 20

*posted on February 23, 2020* -
## maths

Sketch it out. It will be a right angled triangle, so you can use your primary trigonometric ratios to solve. Tan theta is opposite side/adjacent side. etc : )

*posted on February 23, 2020* -
## history

It is either A. or C. what does your textbook say?

*posted on February 22, 2020* -
## Pre algebra

oopppsss MILES not km... sorry

*posted on February 22, 2020* -
## Pre algebra

It is a proportion... 30/1 = 210/x solve for x : ) OR... think of it as 30 km in 1 hour, so 60 in 2 hours, 90 in 3 hours... and continue the pattern until you arrive at 210

*posted on February 22, 2020* -
## Math

The probability that the numbers occur is (5/90)x100

*posted on February 21, 2020* -
## algebra

Dear Ariana : ) Keep trying! Keep going over the examples that you are given. Do not give up! You don't get it... YET! All things come to those who wait... and persevere! You've got this!!

*posted on February 20, 2020* -
## Pre-Algebra

Diameter is 8, so radius is 4 : ) The Pythagorean Theorem where the slant height is c : )

*posted on February 20, 2020* -
## History

You didn't give us the choices... or the choice you chose... By the way... we don't give answers to a test you are currently writing : (

*posted on February 20, 2020* -
## math

If you look at the ratio one way you ahve 3x + 5x + 1x = 360 So each x is worth .... 9x = 360 divide both sides by 9 x = 40 the ratio is 3x:5x:1x So the numbers you need are 3(40) of birdseed A 5(40) of birdseed B 1(40) of birdseed C... so... do you have

*posted on February 20, 2020* -
## Health

Is there an article on "hand sanitizers" or "avoiding the flu" in your magazine?

*posted on February 20, 2020* -
## History

Dear Mia; We do not GIVE out answers here. We only help you, and check your answers. Also, Damon gave you a first hand account of what happened at Pearl Harbour. You should be honoured by his wisdom!

*posted on February 20, 2020* -
## History

well... it can't be D) as that is later in the war. Go back and read your textbook : )

*posted on February 20, 2020* -
## Maths

The distance around the outside (the roll) is (pi)(d) where d = 2r, so (pi)(2)(r) Since your wheel is making 7 revolutions it is = 7(pi)(2)(r)

*posted on February 16, 2020* -
## Maths

Take the total area (that is length x width) of the entire plot, and subtract off the vegetable garden and that is now what is left over : )

*posted on February 16, 2020* -
## history

So... go find an article and follow these directions for it : )

*posted on February 16, 2020* -
## Maths

If you sketch out your normal curve you are looking at the shaded section above the mean but below 1.806 And remember your z-score table reads less than... so you will need to take 1 - your section number : )

*posted on February 16, 2020* -
## Maths

LOL! (mean,sigma^2) so the standard deviation is 8 thus with 0.674 above and below... gives my answer to be 10 even...

*posted on February 16, 2020* -
## Maths

Hmmm... let me check some numbers...

*posted on February 16, 2020* -
## math

Well... first you have to pay the $140 then you have to add on the 12 months at 15$ per month So... 140 + 12x15 = 140 + 180 = ....

*posted on February 16, 2020* -
## Maths

To find Q3 you need to look up .75 on your z-score table. You will see that the number associated with that is .674 so that means that to be in the 75th percentile (Q3) you must be 0.674 standard deviations above the mean value. The mean is 400 so... 400 +

*posted on February 16, 2020* -
## Algebra

You have 2 equations you could be working with. Firstly the form of the equations is Earnings = Salary + (commission rate)x(sales) In the first instance Don made 600 on 6000 in sales so 1) 600 = Salary + 6000x on 9000 in sales he made $690 2) 690 = Salary

*posted on February 16, 2020* -
## math

Nice explanation Reiny... I wondered why the +- would be in the question. No worries ... she has more of them for you to work on : ) Yours in Mathematical fun, Ms Pi

*posted on February 15, 2020* -
## math

I assume the 1+ - 2 comes from the quadratic formula? Please advise...

*posted on February 15, 2020* -
## math

What is f(x) = 2

*posted on February 15, 2020* -
## math

Did you want to multiply?? 570 x(17.8)^14 because if you do you do not get a 10th of a gram??

*posted on February 15, 2020* -
## math

f(x) = -4/5 x + 4

*posted on February 15, 2020* -
## Coding

How about they create a program that manages all of the other teams work. Questions such as 1) Have they finished all of their tasks? YES go one way in the logic gate, NO go the other way. 2) which tasks have been completed. 3) How far along are the tasks

*posted on February 15, 2020* -
## algebra

If you want to graph the line... the equation would be in the form y = 2x + 7 But if you just want an equation with the variable on both sides of the equation 5x = 2x + 15 would suffice : )

*posted on February 15, 2020* -
## algebra

5x = 2x + 15

*posted on February 15, 2020* -
## Math

8x + 24

*posted on February 15, 2020* -
## Maths

x=(z-u)/sigma then use the z table. But remember the z table reads "less than" so you need to do 1 - that value found on the z table : )

*posted on February 15, 2020* -
## Maths

There are 16 pieces of data in each quartile. The inter-quartile range is Q3 - Q1

*posted on February 15, 2020* -
## Maths

You are dividing your data into 4 parts (quarters) and that tells you how many pieces of data are in each part : )

*posted on February 15, 2020* -
## maths

Subtract them... But to subtract fractions you need a common denominator (the smallest thing that 5 and 7 both go into) Remember when making equivalent fractions with your common denominator (which is 7x5 = 35) make sure you multiply the top by whatever

*posted on February 15, 2020* -
## Algebra

I will start you off : ) 2x(3x5) (2x3)x5 ... and remember... you can multiply in any order : ) so 5x3x2 is also the same answer.... If you are in a "data management" class there is a formula for your answer. If you are not in one of those classes you will

*posted on February 14, 2020* -
## math

You need to substitute (-5) into your function everywhere the x appears, sub it in, and solve for y. Or if you have a graph you need to look at the x-axis at 5, and look up and down to see where the graphed function is at that point.

*posted on February 14, 2020* -
## physics

A rifle has a "kick back" feature that happens when the bullet is fired. A person can be injured by the "kick back" of the gun that pounds into their shoulder or soft tissue when they fire the gun. You put the gun at a spot of great strength to "buffer"

*posted on February 14, 2020* -
## Math

Woo Wee! Love this question! It is going to be part of a grade 9 math assignment in this coming week. Thank-you Indiana Jones for sharing : ) And thank-you henry2 and oobleck for 2 different solutions (than mine : )

*posted on February 14, 2020* -
## Math re-post for … fan

1955 - (7 x 85) = amount still needed amount still needed /85 = number of months he has to still save for : )

*posted on February 13, 2020* -
## Maths

You are working with the z-score : )

*posted on February 13, 2020* -
## Math

A and E are correct : )

*posted on February 13, 2020* -
## Math

Draw the triangle : ) The vertical distance is the other leg of the triangle (not the hypotenuse). Use the tangent ratio (opp/hyp) to obtain the value of the vertical distance : )

*posted on February 13, 2020* -
## math

Let p = pens and E=erasers... 79.80 = 6p +12E (equation 1) and the next sentence says a pen costs 5times as much as an eraser. So we have to multiply the eraser value by 5 to get up to the price of a pen. So the second equation is p = 5E (equation 2) I

*posted on February 13, 2020* -
## technology

It used to be telephone lines... but with cell phones...

*posted on February 12, 2020* -
## math

(-2)^2 = (-2)(-2) = 4 and... percent is out of 100 so 4% is 4/100 which when you divide it out is .04

*posted on February 12, 2020* -
## math

ADD them up : )

*posted on February 11, 2020* -
## Math

to: Oobleck Ara at 8:18 PM may need some help once he posts a diagram for question 5. It is almost time for me to sign off for the evening (from the Great White North). Thank-you, Mrs Pi

*posted on February 11, 2020* -
## Social studies

I did a google search... the first website hit gave a few ideas. 1) International agreements for developmental aid 2) Work within the government to find solutions that are based on the area you live in What does your textbook say?

*posted on February 11, 2020* -
## Geometry

Well... without a picture for 5) there is no way for me to help you.

*posted on February 11, 2020* -
## Geometry

I believe the picture shows the boat travelling directly west for 22km then turning and heading North for 53 km. These are the legs of the triangle, and the hypotenuse is the resultant vector.

*posted on February 11, 2020* -
## math

The length of the quilt is 7 x 1 3/4, 1 3/4 as an improper fraction is 7/4 so the length is 7 x 7/4 = 49/4 The area is the lenght times the width (for the square quilt) ...

*posted on February 11, 2020* -
## Geometry

4) If you draw the triangle that is associated with the vectors your can use your trig ratios to solve : ) I see Tan theta being useful. 5) The magnitude is the value of the resultant : )

*posted on February 11, 2020* -
## algebra

hint: take your letters to one side and your numbers to the other : )

*posted on February 11, 2020* -
## math

There are a couple of ways to tackle this question depending on your grade level. Oil is 3 parts of the total or 3p while vinegar is 2 parts of the total that is 2p So 3p + 2p = 25 5p = 25 so p=5 now go back to your oil which was 3p or 3(5) = 15 ounces

*posted on February 11, 2020* -
## math

If 8 of 19 ARE green then 11 of 19 ARE NOT green. so 11/19 = x/38 Solve for x : )

*posted on February 11, 2020* -
## Science

From the Great White North! Awesome answer!!

*posted on February 11, 2020* -
## Math

ooooops! The triangle does not hit the outside edge of the circle, thus the height must be more than 5 : ) So sorry... I haven't had my first cup of tea yet. Oobleck has an outstanding solution : )

*posted on February 9, 2020* -
## Math

Then the radius is half of the height : )

*posted on February 9, 2020* -
## Math

The height can be calculated using the Pythagorean Theorem : ) c^2 = a^2 + b^2

*posted on February 9, 2020* -
## math

There are 1000 meters in every km. So if you divide your # by 1000 you have the number of km : )

*posted on February 9, 2020* -
## Math

Use google maps to check the distance : )

*posted on February 8, 2020* -
## math

angle2 is 55 degrees because it is vertically opposite angle 1. Angles 2 and 3 are corresponding thus making them the same. And angle 4 is supplementary to angle 3 thus making it 180 degrees - 55 degrees : )

*posted on February 8, 2020* -
## math

Over to you Oobleck : )

*posted on February 8, 2020* -
## math

THese are similar triangles. There sides are in proportion 6/DE = 12/10 Solve for DE : )

*posted on February 8, 2020* -
## math

Without 1 angle number there is a RANGE of answers that your angles in the triangle could be. Were you given a diagram?

*posted on February 8, 2020* -
## math

Do you have a question you need help with?

*posted on February 8, 2020* -
## Algebra

There are two ways to look at sales. 1) As the original price (P) - Px.25 or 2) as 0.75P that is 75% of the original price is the new price so if the jeans were $40, the new price is .75(40)

*posted on February 8, 2020* -
## Algebra

If I have the brackets correct... then the answer to 1. is... first add 5 to both sides to obtain... (sqrt 2x+13) = x + 5 then square both sides to undo the square root 2x + 13 = (x + 5)^2 expand the right hand side 2x + 13 = (x + 5)(x+5) 2x + 13 = x^2 +

*posted on February 7, 2020* -
## Science

Well... I did a google search... and it says "forested". It was forested a long long time ago and thus made coal : )

*posted on February 6, 2020* -
## Geometry

You didn't write the rest of the question out : (

*posted on February 6, 2020* -
## Math

There are many mathematical answers to riddles. What was the riddle that Winnie was given?

*posted on February 6, 2020* -
## Music

A quick google search showed me that #2 b) is correct. What does your textbook say?

*posted on February 6, 2020* -
## Math

You are "undoing" the equation to get m all by itself... so you have to do BEDMAS in reverse... so the addition of 8 to both sides is first : ) b is correct : )

*posted on February 6, 2020* -
## Math

Have you drawn out the triangle as a start?

*posted on February 6, 2020* -
## geometry

What do you think the answers are??

*posted on February 6, 2020* -
## Math

L + L + w + w = 28 L(w) = 40 Solve for one variable and sub it back into an original and solve for the other variable. hint: you may wish to consider what times what is 40... as a starting point for an educated guess : )

*posted on February 4, 2020* -
## history

If the government website is "legit" then it would be a good source : )

*posted on February 4, 2020* -
## history

You might want to get rid of the website that is 10 years out of date first : )

*posted on February 4, 2020* -
## history

What do you think the best answers would be?

*posted on February 4, 2020* -
## Math

Correct : )

*posted on February 4, 2020* -
## Math

You have three options 1) re-arrange them into y=mx + b format, then graph them and see where they cross or 2) re-arrange to get 1x or 1y alone in one equation and "sub" into the other equation. This is by the substitution method or 3) Use the elimination

*posted on February 3, 2020* -
## Algebra

The median is located in the middle of A to C. Use your midpoint formula to locate it (remember the midpoint is adding up the ((x1 + x2)/2, (y1 + y2)/2) So the x co-ordinate of the median is (-5 +3)/2 That is -2/2, which is 1 (1, y) You find y. Then use

*posted on February 2, 2020* -
## science

Speed = (distance) divided by time = 5000 / 7 = meters/minute

*posted on February 2, 2020*