MATHEMATICS MIDDLE SCHOOL

Shella puts $16.00 in a bank account that gains 25% interest annually.How much interest will be accumulated in a year?
If Shella makes no withdrawals, how much money will be in the account after a year?

Answers

Answer 1
Answer: $20 After a year of 25% APY
Answer 2
Answer: 20$ after a year of 25% APT

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A salesperson ratio of successful signups to the number of people called is .125.  This month, the salesperson has 25 signups.  How many people did the salesperson call this month?

Answers

For every 8 people called, one signs up. So, for 25 signups you get 25*8=200 called people.

A horizontal line passes through the point (5, –1). Which point is also on this line?(0, 0)
(–1, 5)
(5, –4)
(–2, –1)

Answers

If a horizontal line passes through the point (5;-1) then the equation if this line: y=-1

Each point (x;-1) is also on this line.

Answer:(-2;-1)

Answer:

the answer is D (–2, –1)

Step-by-step explanation:

Hope this helps!

PLEASE HELP!!! 40 points!!!1) A school puts on a play. The play costs $1,200.00 in expenses. The students charge $4.00 for tickets. There will be 1 performance of the play in an audiotorium that seats 500 people. What is the domain of the function that shows the profit as a function of the number of tickets sold?A)The domain is all real numbers from negative 1,200 to positive 2,000.
B) The domain is all integers from negative 1,200 to positive 2,00.
C) The domain is all integers from 0 to 500.
D) The domain is all real numbers from 0 to 500.

2) A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance from the finish line after x minutes.

A) f(x)= -1/3x+2
B) f(x)= -1/2x+3
C) f(x)= 1/2x+3
D) f(x)= 1/3x+2

3) A coal car on a train weighs 30 tons plus 1 ton per cubic yard of coal x that it carries. The total weight of a coal car is f(x)= x+30. How will the graph of this function change if the coal car weight is changed to 26 tons?

A) The line will shift vertically up by 4 tons.
B) The line will shift vertically up 26 tons.
C) The line will shift vertically down by 4 tons.
D) The line will shift vertically down by 26 tons.

Answers

#1, Answer is C, and not D. They can onlysell integer number of tickets. They cannot sell irrational number of tickets.

#2, He runs 1 kilometer every 2 minutes. That means he will run 1/2 kilometer per minute. Your answer is C.

#3, the equation would change to f(x) + 26

So it would shift vertically down by 4 tons. Your answer is C.
your answer will be C.

Antonia is keeping track of the number of pages she reads. She started the school year having already read 95 pages her book, and she then reads 20 pages each day. The function for her total pages read is f(x) = 20x + 95. What do f(x) and x represent in Antonia's situation?1. f(x) represents the number of days; x represents the total number of pages that Antonia has read
2. f(x) represents the total number of pages that Antonia has read; x represents the number of days
3. f(x) represents the number of pages Antonia reads per day; x represents the number of days
4. f(x) represents the total number of pages that Antonia has read; x represents the number of pages she reads per day

Answers

20 pages per day
so the variable attached to the number 20 would be "number of days"
so x represents the number of days

then 90 + 20(number of days) = (total number of pages)
so that makes f(x) = (total number of pages)

therefore your answer is 2.

Answer:

Option 2. f(x) represents the total number of pages that Antonia has read; x represents the number of days

Step-by-step explanation:

Which numbers are solutions to the inequality-3x-3<6

Answers

Answer:

x > - 3

Step-by-step explanation:

Isolate the - 3x on the left by adding 3 to both sides

- 3x < 9 ( divide both sides by - 3 )

Remembering to reverse the inequality symbol as a consequence of dividing/ multiplying by a negative value

x > - 3 ← reverse symbol

divide 18 cups if flour into two groups so the ratio is 4 to 5


Answers

Let us divide the flour into two groups, A and B
now we know from the given question
A/B = 4/5
A = 4B/5
We also know there are 18 cups of flour in total.
A + B = 18
So
(4B/5) + B = 18
(4B/5) + (5B/5) = 18
9B/5 = 18
B = (18*5)/9
   = 10
Then
A = 18 - B
   = 18 - 10
   = 8
So the ratio of dividing the 18 cups is 8:10
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