3 years ago

A ball rolled 81 feet in 3 minutes. What was this ball's average speed, in feet per second?

Mathematics

2 answers:

sineoko [7]3 years ago

6 0

Answer:

.45 ft/per sec

5.4 in

Step-by-step explanation:

60*3=180

81/180= .45 ft/per sec

mario62 [17]3 years ago

5 0

Answer:

i already answered but 0.45

Step-by-step explanation:

You might be interested in

in the school library 52% of the books are paperback if there are 2650 books in library how many of them are not paperback to th

wlad13 [49]

i will use proportions for this.

x 52

------- = --------

2650 100

Cross multiply and u get 1378.

Hope it helps. :)

3 0

4 years ago

What is the mass of an object that has a density of 8 g/cm3 and a volume of 64 cm3

My name is Ann [436]

Answer:

Step-by-step explanation:

multiply 64 and 8

512

6 0

3 years ago

Given that A(2, 1) and B(9, 25) are points on a graph. USE THIS INFORMATION TO ANSWER QUESTIONS 14 TO 16

Scrat [10]

Answer:

<h3>required answer:-</h3>

A (2,1)
B (9,25)

${:}\leadsto$ $\sf AB=\sqrt {(x_2-x_1)^2+(y_2-y_1)^2}$

${:}\leadsto$ $\sf \sqrt {(9-2)^2+(25-1)^2}$

${:}\leadsto$ $\sf \sqrt {(7)^2+(24)^2}$

${:}\leadsto$ $\sf \sqrt {49+576}$

${:}\leadsto$ $\sf \sqrt {625}$

${:}\leadsto$ $\sf AB=25cm$

8 0

3 years ago

Please help me with this

VMariaS [17]

They are same side exterior angles meaning they are supplementary and supplementary means they add up to 180 so.....

2y+34+74=180
2y+108=180
2y=72
y=36

Substitute 36: 2(36)+34=106

106+74=180
180=180

6 0

3 years ago

Nate Dogg's 4/5 of a mile in 1/6 hour. which fraction represents Nate speed in miles per hour.

Lerok [7]

Answer:

24/5

Step-by-step explanation:

(6) 4/5 ------------ per 1/6h (6)

24/5----------- per 1h

5 0

3 years ago