If there is a basket ball cookie cake and you have 1 16 th of the cookie cake what fraction is left of the cake/ cookie cake?

Answers

Answer 1
Answer: 15/16 of the cake would be left because 16/16 -1/16=15/16

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Find the constant of variation for the relationship shown in the following table:x 1 2 3 4
y 5 10 15 20

A.
1

B.
2

C.
3

D.
5

Answers

Answer:

Option D - 5

Step-by-step explanation:

Given : Table

x 1 2 3 4

y 5 10 15 20

To find : The constant of variation for the relationship shown in the following table?

Solution :

The constant of variation means the relationship between variables does not change.

The constant of variation for an equation is k=(y)/(x), where k is the constant of variation.

Now, We have given the value of x and y substitute in the formula,

x=1,y=5

k=(5)/(1)=5

x=2,y=10

k=(10)/(2)=5

x=3,y=15

k=(15)/(3)=5

x=4,y=20

k=(20)/(4)=5

Therefore, The constant of variation is 5.

So, Option D is correct.

The answer is D.

Formula: k = y/x

5/1 = 5
10/2 = 5
15/3 = 5
20/4 = 5 

Six copies of the sum of nine-fifths and three

Answers

i think copies is a multiplication and sum is to add together so 
6x(9/5+3)
9/5 is 1 whole and 4/5. 1 whole plus 3 wholes is 4 Wholes so it is 4 wholes and 4/5 which is 24/5.
6x24/5 is (6x24 is 144) so its 144/5 so its 28 wholes and 4/5.

M+-2/3=-1/3 what is m?

Answers

m + - (2)/(3) = - (1)/(3) \n \n m -  (2)/(3) = - (1)/(3) \ / \ simplify \n \n m = - (1)/(3) + (2)/(3) \ / \ add \  (2)/(3)  \ to \ each \ side \n \n m =  (1)/(3) \ / \ simplify \n \n Answer: \fbox {m = 1/3} \ or \ \fbox {m = 0.3333}
M+ -2/3= -1/3
⇒ M+ (-2/3)= -1/3
⇒ M= -1/3+ 2/3
⇒ M= 1/3

Final answer: M= 1/3~

Factorising quadratics

X squared + 5x -6
X squared - 2x15
X squared -7x +12

Answers

Answer:

  • (x -1)(x +6)
  • (x -5)(x +3)
  • (x -4)(x -3)

Step-by-step explanation:

In each case, you're looking for divisors of the constant that have a sum equal to the x-coefficient. Those divisors are the constants in the binomial factors.

1) -6 = -1·6 = -2·3 . . . . . (-1)+(6) = 5, so these are the constants of interest.

  x^2 +5x -6 = (x -1)(x +6)

__

2) -15 = -1·15 = -3·5 = -5·3 . . . . . (-5)+(3) = -2, so these are the constants of interest

  x^2 -2x -15 = (x -5)(x +3)

__

3) 12 = -1·-12 = -2·-6 = -3·-4 . . . . . (-3) +(-4) = -7, so these are the constants of interest

  x^2 -7x +12 = (x -3)(x -4)

What is a mixed number to 2/10?
IN FRACTIONS

Answers


A mixed number is (a whole number) plus (a fraction).

The smallest whole number is '1', so every mixed number is greater than '1'.

2/10 is less than '1'.  Nothing you do to it can make it a mixed number.
It just doesn't have what it takes to be a mixed number.


Eric sold cell phones for $70. Eric increases his sale price by 100%. What is the sales price of the cell phone?

Answers

New price = old price + 100% of old price= 
= 70 + (100/100  X 70)
= 70 + 70
= $140
140$ is the answer 70×2=140 $ is the answer