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WITCHER [35]
3 years ago
8

Find the volume of a cylinder if it is 2 feet tall and has a diameter of 1.5. Use 3.14 for pi.

Mathematics
2 answers:
lubasha [3.4K]3 years ago
6 0

Answer:

Volume =pi r^2 h

=3.14*0.75^2*2

=3.5325 feet^3

olga55 [171]3 years ago
5 0

Answer:

3.5325

Step-by-step explanation:

V = 3.14*(.75^2)(2)

You divide the diameter by 2 to get the radius which is 1.5/2 =.75

r=.75

h=2

and you use the equation for volume of cylinder which is V = pi x radius squared x height

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Suppose seven pairs of similar-looking boots are thrown together in a pile. What is the minimum number of individual boots that
Vadim26 [7]

Answer:

8 individual boots must be picked to be sure of getting a matched pair.

Step-by-step explanation:

Step 1: Using the pigeonhole principle.

The pidgeonhole principle states that if n items are put into m containers, with n > m, then at least one container must contain more than one item.

A good illustration of the pigeonhole principle is the number of gloves one can have. For example, if one has three gloves, then one must have at least two right-hand gloves, or at least two left-hand gloves, because one has three objects, but only either a left hand or a right, two options of handedness to put on the gloves. Thus the third glove must be a pair of either the right-hand or left-hand glove

Step 2: Determining n and m

Since there are 7 pairs of boots, there will be 7 × 2 individual boots; n = 7

Now since there cannot be more than 7 pairs of the boot, m = 7

Step 3: Determining the minimum number of individual boots that must be picked in order to get a pair.

After all the 7 individual boots have been picked, the next individual boot picked must be a pair of one of the 7 boots picked. Thus, 7 + 1 = 8 individual boots must be picked to be sure of getting a matched pair.

5 0
3 years ago
What is ? <br> (why it wants me to write at least 20 character)
seropon [69]

Answer:

152

Step-by-step explanation:

3 0
3 years ago
Each small square on this scale weighs 1 unit. Each larger square weighs 10 units. The weight of the triangle x is unknown. The
Iteru [2.4K]

The equation to represent the relationship of the weights shown on the scale s 22 + x = 34

The weights are given as:

Small\ Square = 1

Larger\ Square = 10

The total weight on one side, where there are 4 small squares and 3 large squares is:

Total =4\times Small\ Square + 3 \times  Larger\ Square

Total =4\times 1 + 3 \times  10

Total =34

The total weight on the other side, where there are 2 small squares, 2 large squares and 1 triangle is:

Total =2\times Small\ Square + 2 \times  Larger\ Square + 1\times triangle

Total =2\times 1+ 2 \times  10+ 1\times triangle

Total =2+ 20+ 1\times triangle

Total =22+ 1\times triangle

Total =22+ triangle

The weight of the triangle is x.

So, we have:

Total =22+ x

The weights on both sides are equal, because the scale is balanced.

So, we have:

22 + x = 34

Hence, the equation is 22 + x = 34

Read more about equations at:

brainly.com/question/2972832

7 0
3 years ago
Enrique leaves his house and starts to run at an average speed of 6 miles per hour. Half an hour later, Enrique’s younger (and f
Sloan [31]

Answer:

t= 0.8 hr  or 48 min.

Step-by-step explanation:

Speed of Enrique= 6 mph

Half and hour late it means that after 1/2 hr.

Speed of Enrique brother = 8 mph

  Lets take Enrique cover x distance in time t hr .

So

x = 6 t                           ------------ 1

Then his brother will cover x/2 distance in time (t-1/2) hr.

So

x/2 = 8 (t-1/2)                   -----------------2

Now from equation 1 and 2

6 t  = 16 (t-1/2)

6 t = 16 t - 8

So t= 0.8 hr  or 48 min.

It means that his brother will take 0.8 hr to cover half of distance cover by  Enrique .

6 0
3 years ago
Am I cute yes or no please be honest because lots of people say I’m pretty or cute
Alexeev081 [22]

Answer:

yesssss u are

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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