MATHEMATICS MIDDLE SCHOOL

During one week, the price of a stock decreased $4 per day for 3 days and increased $2 per day for 4 days. Which integerrepresents the change in the price of the stock over the week?
-20
-4
4
20

Answers

Answer 1
Answer:

The addition is one of the four fundamental mathematical operations. The correct option is B.

What is Addition?

The addition is one of the four fundamental mathematical operations, the others being subtraction, multiplication, and division. When two whole numbers are added together, the total quantity or sum of those values is obtained.

Given that the price of a stock decreased $4 per day for 3 days and increased $2 per day for 4 days. Therefore, The change in the price of the stock is,

Change in the price = (-$4 × 3 days) + (+$2 × 4 days)

                                  = -$12 + $8

                                  = -$4

Hence, the correct option is B.

Learn more about Addition:

brainly.com/question/14092461

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Answer 2
Answer:

Answer:

-4

Step-by-step explanation:

so 4 would be negative because it decreased and 2 would be positive because it increased so multiply -4 by 3 wich is -12 then add it by 2 times 4 which is 8 and it is -4

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The APR of Caesar's savings account is 3.6% and interest is compounded monthly the principal and Cesar savings account with $6,600 for an entire year what will be the balance of his account after the interest is paid for the year

Answers

Answer:

$6841.56

Step-by-step explanation:

formula for compound interest is

A = P (1+(r)/(n))^(n*t)

P is the initial amount= 6600

r is the rate of interest = 0.036

t is the number of years = 1

n = compounded monthly = 12

plug in the values in the formula

A = 6600(1+(0.036)/(12))^(12*1)

A = 6600(1.003)^(12*1)

A= 6841.55986990

$6841.56 is the balance of his account after the interest is paid for the year

Answer:

6841 apex approved

Step-by-step explanation:

a croquet ball weighs 460 grams. together a golf ball and a croquet ball weigh the same as 11 golf balls.how much does 1 golf ball weigh?

Answers

x-golf\ ball\n \n x+460=11x\n 460=11x-x\n 10x=460\ /:10\n x=46\ grams\n \n Answer:1\ golf\ ball\ weigh\ 46\ grams.

Answer:

41.8181818 rounded up to 42.

Step-by-step explanation:

divide 460 by 11 to find the weight of the one golf ball .

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Answers

A. 6 times 1=6 is the answer to which of the following is an example of identical property of multiplication

Your aunt gives you a fish tank that holds 48 quarts of water. You can buy saltwater for the tank but only by the gallon. How many gallons of saltwater do you need to fill the tank?

Answers

12, there are 4 quarts in a gallon, 48/12=4
12 because 12 *4=48  4=quarts per gallon 

How do I decompose the number 740

Answers

Divide by the smallest number that can go into it

If we draw a card from a standard 52-card deck, what is the probability that the card is neither a heart nor a queen?

Answers

So here we are being asked to draw a card that isn't a heart or a queen... the amount of cards that are not hearts or queens out of a 52 card deck is 36. So that makes the probability 36/52 if we want to make that a percent then we have to change the denominator to a 100 we end up with this problem:

36/52 = x/100

There are many ways we can solve this. One way being cross multiplying, which I think is the easiest.

If our problem is a/b = c/d we multiply a and d then we multiply b and c

Plugging our original problem into that, we 36 times 100 and 52 times x. That gives us 3600 and 52x

This is now an algebraic problem.

52x=3600

First step, divide each side by 52

We get x=69.2 rounded to the nearest tenth.

So our probability is about 69/100 or 69%


Any Questions?

proability is (desired outcomes)/(total possible outcomes)


total possible outcomes is 52 cards

out of those 52 cards, how many are NOT heart or queen?

hearts is a suit, so 1/4 of the deck (or 52/4=13 cards) are not what we want

queens, there are 4 queens in a deck, but one of them is a queen of hearts. to avoid doublecount, say 3 queens

so total of 13+3=16 cards to not pick

so we have 52-16=36 cards we want to pick

probablity=36/52=18/26=9/13≈63.23%
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