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jolli1 [7]
3 years ago
7

What would be an appropriate measure to describe the depth of a lake?

Mathematics
2 answers:
SCORPION-xisa [38]3 years ago
7 0

i believe its feet ( ft )

dimulka [17.4K]3 years ago
3 0

Answer:

Feet

Step-by-step explanation:

feet because this is close to volume and you measure a depth of a lake through volume...

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Find the circumference of a circle whose area is 24
zalisa [80]

The answer is: " 17.35 " .

__________________________________

→ The circumference of the circle is: " 17.35 units " .

__________________________________


The area, "A", of a circle:

A = \pi * r² ;

Note: \pi  = 3.14 .

The area of the circumference, "C", of a circle:

C = 2 \pi r .

__________________________________________

Given:

A = 24 ;

Use the formula for the area, "A" of a circle, to find the radius, "r" .

Then, plug the value obtained for "r" into the formula for the circumference, "C" , of a circle:

C = 2\pi r l

To solve for the circumference, "C", of the circle.

________________

A = \pi  *  r^{2} ;

24 = 3.14 * r² ;

↔ 3.14 * r² = 24 ;

Divide each side of the equation by "(3.14)" ;

[3.14 * r²] / 3.14 = (24) / (3.14) ;

to get:

→ r² = 7.64331210191 ;

Take the positive square root of each side of the equation;

to isolate "r" on one side of the equation; & to solve for the radius, "r" ;

→ ⁺√(r²) = ⁺√(7.64331210191) ;

to get:

→ r = 2.76281034802 ;

____________________________

Now, plug this "obtained value" for the radius, "r" into the equation for the formula for the circumference, "C" of a circle:

→ C = 2 \pi * r ;

to solve for the circumference, "C", of the circle:

→ C = 2 * (3.14) * (2.76281034802) ;

= (6.28) * (2.76281034802) ;

= 17.3504489856 ;

→ round to: " 17.35 units" .

__________________________________

The answer is: " 17.35 " .

__________________________________

→ The circumference of the circle is: " 17.35 units " .

__________________________________

6 0
3 years ago
Tip and Sales tax cause a restaurant bill to____.
Luda [366]
<span>Tip and Sales tax cause a restaurant bill to____.
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When estimating using money for a purchase, you should_____.
c. estimate up to the nearest dollar or half dollar

You purchase a piece of cake for $3.49. What would be a good estimation for just purchasing the cake?
b. 3.50

Your total restaurant bill for food, drinks, and tip is $37.40. What is a good estimate cost for just the food and drinks?
c. 36.00
</span>
8 0
3 years ago
Read 2 more answers
Kateri draws a square. She wants to draw one line to draw one line to divide the square into 2 triangles. Is it possible for her
Vika [28.1K]
No. Since you can only draw from the corners to get triangles, you will end up with two right triangles because of the corners. If it is a right triangle, it can obviously not be obtuse.
6 0
3 years ago
Evaluate (18)^2-(15)^2<br> Please show working.
dexar [7]

Answer:

99

Step-by-step explanation:

You can solve it by Squaring/multiply 18 by itself and 15 by itself then subtract them both:

(18 × 18) - (15 × 15)

324 - 225

99

You could also do difference of two squares:

(x² - y²)

= (x + y) (x - y)

= (18 + 15) (18 - 15)

= (33) (3)

= 99

8 0
2 years ago
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Online sales result in 35% of sales being returned to their local brick-and-mortar store. what is 35% of 2,000 purchases?
Reika [66]

Answer:

b

Step-by-step explanation:

b

5 0
3 years ago
Read 2 more answers
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