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yKpoI14uk [10]
4 years ago
5

A theater can seat 864 people. The number of rows is 5 less than the number of seats in each row. How many rows of seats are the

re?
Mathematics
1 answer:
Dafna11 [192]4 years ago
6 0
There should be 27 rows of 32 seats.
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If John can paint half of a room in two-thirds of an hour, what part of the room can he paint in a full hour?
Firlakuza [10]

Answer:

<h2>0.75(3/4) part of the room</h2>

Step-by-step explanation:

Step one:

given data

we can express the given data mathematically as

John can paint 0.5room in 2/3 hours

let the part of the room he can paint in an hour be x

so

if he takes 2/3 hours to paint 0.5 room

then he will take 1 hour to paint x

cross multiply we have

x= 0.5/2/3

x=0.5*3/2

x= 1.5/2

x=0.75 part of the room

75/100= 15/20=3/4 part

5 0
3 years ago
Help please need help with this stuff thank you again for helping
Alex777 [14]
Slope intercept form: y = mx + b

Where m = slope and b = y-intercept.

By looking at the graph, we can see that the line cuts at 1/2 on the y-axis, therefore eliminating option D.

So now we have: y = mx + 1/2

Next, we'll find the slope. \frac{y_2-y_1}{x_2-x_1}

Plug the coordinates into the formula.

\frac{3-(-2)}{4-(-4)}= \frac{5}{8}

So our slope is 5/8 and the y-intercept is 1/2.

Option A is the answer.
6 0
3 years ago
Guys can you help me and my brother with these 2 questions (im confused on this).
leonid [27]

Answer:

1, i can't see the pic so i can't answer the Question

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Jaquan practices soccer every three days. He practices basketball every five days Jaquan practiced both today. How many days unt
Svetach [21]

Answer: He will practice both on every 15 days.

Step-by-step explanation:

Given: Jaquan practices soccer every 3 days.

He practices basketball every 5 days Jaquan practiced both today.

The number of days until he practices both = Least common multiple of 3 and 5

= 3 x 5    [Both are primes]

= 15

Hence, he will practice both on every 15 days.

  • Least common multiple  of two numbers p and  q is the smallest number that is divisible by both p and q.
7 0
3 years ago
A can of tuna fish is a cylinder with a height of 1.75 inches and a diameter of 3 inches. If the can is half full, how many cubi
zlopas [31]

Answer: 6.185in^3

Step-by-step explanation:

The formula for calculate the volume of a cylinder is:

V_{cylinder}=\pi r^2h

r is the radius of the cylinder and h is the height of the cylinder.

Given the diameter of 3 inches, calculate the radius of the cylinder with:

r=\frac{d}{2} (Where d is the diameter)

 r=\frac{3in}{2}=1.5in

Knowing the height and the radius, you can calculate the volume of the entire can of tuna:

V_{can}=\pi (1.5)^2(1.75in)=12.37in^3

As you want to know the cubic inches of tuna that are in the can (volume of tuna), and you know that the can is half full, then:

V_{tuna}=\frac{V_{can}}{2}\\\\V_{tuna}=\frac{12.37in^3}{2}\\\\V_{tuna}=6.185in^3

5 0
3 years ago
Read 2 more answers
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