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Marysya12 [62]
2 years ago
14

A person can walk at a rate of 2 ½ miles per hour. How long would it take the person to walk 10 miles?

Mathematics
2 answers:
MaRussiya [10]2 years ago
7 0
4 hours!!!!!!!!!!!!!!
Elanso [62]2 years ago
6 0

Answer:

4 hours

Step-by-step explanation:

2.5t = 10

Divide both sides by 2.5

10/2.5 = 4

t = 4

(t represents time)

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When D is placed on this square, what will the perimeter of the square be?
Semmy [17]

I can't see a square or a D given with your question.

But to find the perimeter you just have to add the surface of every side of the square.

8 0
3 years ago
Find the lateral area and surface area of a cone with a radius of 12 and a height of 21
marishachu [46]

Answer:

The Lateral Surface Area is 911.32 square unit and

Total Surface Area is 1361.7 square unit.

Step-by-step explanation:

For a given Cone

Radius (r) = 12

Height (h) = 21

<u>For Lateral Surface Area</u>

<h3><u>Formula</u><u>:</u> </h3>

A = πr√r² + h²

A = 3.14 × 12 × √(12)² + (21)²

A = 3.14 × 12 × √144 + 441

A = 3.14 × 12 × √585

A = 37.68 × 24.18

A = 911.32 square unit

Now,

<u>For</u><u> </u><u>Total</u><u> Surface Area</u>

<h3><u>Formula:</u></h3>

A = πrl + πr²

For Slant height (l)

l² = r² + h²

l² = (12)² + (21)²

l² = 144 + 441

l² = 585

l = 24.18

So,

A = πrl + πr²

A = πr(l + r)

A = 3.14 × 12 × (24.14 + 12)

A = 3.14 × 12 × 36.14

A = 1361.7 square unit

Thus, The <u>Lateral Surface Area</u> is 911.32 square unit and <u>T</u><u>otal Surface Area</u> is 1361.7 square unit.

<u>-TheUnknownScientist</u>

6 0
3 years ago
Read 2 more answers
True or False: The value of r represents the reference angle when plotting a point in polar coordinates.
LenKa [72]
The answer to the statement above would be false. The value of r does not represent the reference angle when plotting a point in polar coordinates. Instead, it represents the polar distance instead of the angle. The reference angle is represented by <em>t.</em>
4 0
2 years ago
Read 2 more answers
Fill in the common equivalents.<br> 1.) 662/3% = ?/?
baherus [9]
3% is the same as 0.03
Therefore, 662/3% = 662/0.03
5 0
2 years ago
Could anybody help me (pic attached)​
RideAnS [48]

Answer: 4/3

Step-by-step explanation:

What are the corresponding sides?

4 and 3

8 and 6

9 and 6.75

This is very easy, just make a fraction

4/3 = 4/3

8/6 = 4/3

9/6.75 = 4/3

Hence the answer is 4/3

5 0
3 years ago
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