MATHEMATICS HIGH SCHOOL

Suppose the Cote family truly enjoys digestive biscuits.Late one night, Papa Cote ate one-sixth of the family's digestives.
Early the next morning, Mama Cote ate one-fifth of the remaining biscuits.
Shortly thereafter, Brother Cote consumed one-quarter of the delicious snacks left.
At lunchtime, Sister Cote devoured one-third of the remaining tasty treats.
Finally, Baby Cote ate one-half of the remaining digestive biscuits.

How many delightful digestive biscuits were at first?

I can't quite figure out how to solve this... I would imagine that there should be an end amount or some value from in between... I just don't know. Please help?

Answers

Answer 1

Answer:

Answer:

$i think it is 12\left \{ {{y=2} \atop {x=2}} \right. \leq \n\n$

Step-by-step explanation:

Answer 2

Answer:

Answer:

Step-by-step explanation:

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1)SURFACE AREA
13 ft ▪️ square
What would be the surface area of a 13ft square
SURFACE AREA:

Answers

Answer: multiply by the number of faces

Step-by-step explanation:

If it is a square then you would do 13 x 13 = 169, that is the amount for one face. Then, multiply 169 times how many faces there are to find the surface area.

I dont know what to do.It says to find the slope of the lind that crosses these points.
And it gives me some slopes like: (3,5) and (1,9)

Answers

Slope= $( y_(2)- y_(1) )/( x_(2) - x_(1) )$

(3,5) and (1,9)
x1=3
y1=5
x2=1
y2=9

Slope= $( y_(2)- y_(1) )/( x_(2) - x_(1) )$
Slope= $( 9- 5 )/( 1 - 3)$
Slope= $(4)/( -2)$
Slope= $-(4)/(2) or -2$

Answer:Slope=-2

Given log 2 = 0.3010, log 3 = 0.4771. Find the value of a) log 12 b) log 5.

Answers

a) log 12
= log3*4
= log3 + log4
=log3 + log 2^2
=log3 + 2log2
= 0.4771 +2*0.3010
=1.0791

b) log5
= log10/2
= log10 - log2
=1 - 0.3110
= 0.6989

$a)\ \ \ log12=log(4\cdot3)=log4+log3=log2^2+log3=2log2+log3\approx\n\n\approx2\cdot0.3010+0.4771=0.602+0.4771=1.0791\n\n2)\ \ \ log5=log (10)/(2) =log10-log2\approx1-0.3010=0.699$

An experiment consists of rolling two fair(not weighted) dice and adding the dots on the two sides facing up. Each die has the number 1 on two opposite faces, the number 2 on two opposite faces, and the number 3 on two opposite faces.Compute the probability of obtaining the indicated sums in problem.

Answers

Just regular dice, it has total possible outcomes. You will see there are 12 of them have a total of 4, if you would see.
So, the answer would be
12/36=1/3

the rest can also be obtained by counting. the probability you get a sum of 2 is

4/36

So, for a sum of 6and the probability you get a sum of 3 and the probability you get a sum of 5 is8/36

In a class, 22 students have been on a plane, 28 on a train, 23 on a boat, 15 on a plane and train, 20 on a train and boat, 14 on a plane and boat, 12 on all three, and 1 on none of them. How many students are in the class?

Answers

Answer:

37 students are in the class

Step-by-step explanation:

There are 8 regions which the most inclusive clue is the inner one with 12.

"14 on a plane and boat" so we fill the intersection with plane and boat with 14-12=2
"20 on train an boat" 20-12=8 in the intersection
"15 on plane and train" = 15-12 = 3

now we look at this:

"22 students have been on a plane" 22 - (2+12+3) = 5 on the plane
"28 on a train" 28 - (12+8+3) = 5 on the train
"23 on a boat" 23-(12+8+2) = 1 on the boat

Just add up all the 8 numbers in the regions:

12+2+8+3+5+5+1+1=37

Best Answer: Q#1!
In a class, 22 students have been on a plane, 28 on a train, 23 on a boat, 15 on a plane and train, 20 on a train and boat, 14 on a plane and boat, and 12 on all three, and 1 on none of them. How many students are in the class?

(1, 5, 3, 12, 2, 5, 8, 1) = 37

Q#3!
In a class of 32 students, 17 are wearing jeans, 8 are wearing T-shirts, and 7 are wearing both. How many students are wearing jeans and something other than a T-shirt?
17 - 7 = 10

Bonjours !

J'aurais besoin de réponse et t'explication éventuellement :)