MATHEMATICS HIGH SCHOOL

Ed has 5 coins all of which are quarters and pennies in all they worth 53 cent how many of each kind of coins does Ed have​

Answers

Answer 1
Answer:

Answer:

1 Coin is a quarter and thats 25c then another coin is also a quarter and thats 50c so he has 3 pennis which makes it 5 coins and that gives you 53c

Step-by-step explanation:
Answer 2
Answer:

Answer:

2 quarters and 3 pennies

Step-by-step explanation:

1 quarter= 25 cents

1 penny= 1 cent

if it were 1 quarter and 4 pennies, it would equal 29 cents, which is too little. if it were 3 quarters and 2 pennies, it would equal 77 cents, which is too much. But 2 quarters and 3 pennies equal exactly 53 cents.

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PLEASE HELP!!!!! theo is renting 2 kinds of tables for his party.one type of table seats 4 ppl and the other seats 6 ppl. if 36 ppl will be at his party and he rents 7 tables,how many of each type of table does he rent

Answers

there will be 4 tables that is the 6 people and 3 of the one that sits 4 people

Answer:

LOL

Step-by-step explanation:

LOL

compare the functions shown below: f(x) = −3x − 5 g(x) cosine function with y intercept at 0, negative 3 h(x) = 2 cos(2x − π) 4 which function has the greatest y-intercept? (2 points) f(x) g(x) h(x) all three functions have the same y-intercept.

Answers

f(x) = -3x -5 has y-intercept of -5
g(x) has y-intercept of 0
-3hx = 2 cos (2x - π) + 4 => h(x) = -2/3 cos (2x - π) - 4/3

g(x) has the greatest y-intercept.

If the Question is:

f(x) = −3x − 5

g(x) =  

cosine function with y intercept at 0, negative 3

h(x) = 2 cos(2x − π) + 4

Which function has the greatest y-intercept?

a. f(x)

b. g(x)

c. h(x)

d. all three functions have the same y-intercept

Then the Answer is C. h(x)

What is the equation of the line?

Answers

Answer:

y= -2x+8

Step-by-step explanation:

y= mx +b

m is the slope and here is m= -8/4 = -2

b is the y-intercept and here is 8

y= -2x+8

A rectangular swimming pool with a flat bottom is 20 feet by 12 feet. How long will it take to fill the swimming pool to 5 feet if water is being pumped into the pool at 30 cubic feet per minute?

Answers

The given dimensions of the rectangular swimming pool are =

Length = 20 feet

Width = 12 feet

Height upto which the water should be filled up = 5 feet

So, the total volume of water needed to fill the pool will be =

20*12*5=1200 cubic feet

The water is pumped at a speed of = 30 cubic feet per minute.

So, to fill 1200 cubic feet, the time taken will be = (1200)/(30) =40

Hence, it will take 40 minutes to fill the pool.
20 feet * 12 feet * 5 feet
= 20 * 12 * 5 feet ^3
= 1200 feet^3

1200 feet^3 / (30 feet^3 / minute)
= (1200 / 30) minutes
= (120 / 3) minutes
= 40 minutes

How much sand would it take to fill a sandbox that is 15 feet long, 10 feet wide, and 2 feet high?

Answers

V=legnth times width times height
legnth=15
width=10
height=2
V=15 times 10 times 2
V=300 ft^3

300 cubic feet ofsand

Dustin has only nickels and quarters in his piggy bank. He has 49 coins total for a combined value of $8.85. How many of each does he have . SHow your work

Answers

x-\ nickels\ny-\ quarters\n\n0,05x+0,25y=8,85\nx+y=49\ \ \ \ x=49-y\n\n\0,05(49-y)+0,25y=8,85\n2,45-0,05y+0,25y=8,85\n0,2y+2,45=8,85\ \ \ | subtract\ 2,45\n0,2y=6,4\ \ \ | divide\ by\ 0,2\ny=32\n\nx=49-32=17\n\nHe\ had\ 17\ nickels\ and\ 32\ quarters.
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