MATHEMATICS COLLEGE

At Davis you can buy 12 pounds of M&M's for $12.24 or 8 pounds for $8.24 at Smith's. Which is the better buy

Answers

Answer 1

Answer:

Answer:

12 pounds

Explanation:

If you were to divide 12.24 from 12 you would get 1.02, which would be the cost of each pound.

Meanwhile, if you were to divide 8.24 from 8 you would get 1.03, which would be the cost of each pound.

So although its only a 1 cent difference and you are technically spending more by buying the 12 pounds, if it were to buy 8 pounds from the cost of each pound for the 12 pounds, you'd only be spending $8.16 vs $8.24.

Because you would multiply 1.02, which is the cost of each pound for 12, by 8 and you would get 8.16.

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Write the following sentence using mathematical symbols. The sum of 10 and x is -13. "The sum of 10 and x is -13" in mathematical symbols is..
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Solve the system by using elementary row operations on the equations. Follow the systematic elimination procedurex1+4x2 =112x1+7x2=18Find the solution to the system of equations.

89
80
? Find the exact length of the third side

Answers

Answer:

Step-by-step explanation:

if this was a triangle then 80+89=169 so if you add 11 then you get 180

It should be 11 I think that’s it

A plant cell has a length of 0.000085 meters. Which is this length written in scientific notation?

Answers

Answer: The answer would be 8.5 times 10^-5

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

10 If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Answer:

8.5 x 10^-5

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

PLEASE HELP!
DUE SOON STEP BY STEP PLEASE PLEASE HELP ASAP

Answers

Answer:

Step-by-step explanation:

yep your correct :)

What is the first step in using the square root property?

Answers

Answer: Isolate the term that contains the squared variable. Then, take the square root of both sides and solve.

Step-by-step explanation:

To solve an equation by using the square root property, you will first isolate the term that contains the squared variable. You can then take the square root of both sides and solve for the variable. Make sure to write the final answer in simplified form.

A standard 52-card deck has four 13-card suits: diamonds, hearts, clubs, and spades. the diamonds and hearts are red, and the clubs and spades are black. each 13-card suit contains cards numbered from 2 to 10, a jack, a queen, a king, and an ace. an experiment consists of drawing 1 card from the standard deck. find the probability of drawing a black king of heartsblack king of hearts.

Answers

The probability of getting a black king of hearts is 1/52

From the question, we have:

The number of cards in a standard deck, n = 52

Black king of heart, r = 1

The probability of getting a black king of hearts is the quotient of the number of black king of heart and the total number of cards in the deck.

So, we have:

p = 1/52

Hence, the probability of getting a black king of hearts is 1/52

Answers

Answer:

i think x=-1 and y=3. ....

Answer:

x = -1 , y = 3

Step-by-step explanation:

2x+5y = 13

-x+4y = 13

Decide whether to add or subtract the two equations by using Different Add Same Subtract (DASS) or in case below as its SUBTRACT

i apply (SDSS).

We subtract 5y as this is easier equation either positive prioritises or if both positive then easier number becomes priory.

Results to SDSS before substituting Y if 5y etc was subtracted

2x+5y = 13 Subtract -5

2x+5y -5y = 13 -5y

2x= 13 - 5y then Divide by 2

2x / 2 = 13/2 - 5y/2 Show then

x = 13 - 5y / 2 + 4y = 13 Simplify

simplify 13 - 13y / 2 as y = 3

as 13/2 = 6.5 and 2.5 +4 = 6.5

y = 3

Substitute y = 3

13-5y )3) / 2

13-5 (3) / 2

BODMAS Brackets first Multiplying only for y substitute 5y = 5 x 3

-5 (3) = 15

13-15 = -2

-2/2 = -1

x = -1

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