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EleoNora [17]
3 years ago
10

How do you calculate the square root of a number without a calculator?

Mathematics
1 answer:
Ierofanga [76]3 years ago
5 0

Answer:You can either use mental math, or find the square root of a number close to the value of the number.

Step-by-step explanation:

Hope this helps.

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Write a cosine function for the graph
Whitepunk [10]

the answer is c,

y = 2 \cos(4x)

5 0
4 years ago
Scott makes a scale drawing of a rectangular park. He uses the scale 5 centimeters: 3 meters. The length of his drawing is 20 ce
Svet_ta [14]

Answer:

The area of the park is 108\ m^{2}

Step-by-step explanation:

we know that

The scale drawing is \frac{5}{3}\frac{cm}{m}

step 1

Find the actual length of the rectangular park

Divide the length in the drawing by the scale drawing

20/(5/3)=12\ m

step 2

Find the actual width of the rectangular park

Divide the width in the drawing by the scale drawing

15/(5/3)=9\ m

step 3

Find the area of the park

A=(12)(9)=108\ m^{2}

5 0
4 years ago
John's dog Fido is tied to a post in his backyard. Fido's leash is 8.5 feet long. Determine how much circular roaming area Fido
ira [324]

Answer:

227 ft^2

Step-by-step explanation:

Here, we are tasked with calculating the roaming area that Fido has

Calculating this is same as calculating the area of circle that has a radius which is equal to the length of the leash

Mathematically, the area would be

A = π * r^2

A = 3.14 * 8.5^2

A = 226.865 ft^2

To the nearest square foot, this is 227 ft^2

3 0
4 years ago
How do you find x and y
andriy [413]
To find X and Y X is horizontal Y is vertical, so that means SCP is horizontal and EF or a B is oops sorry all the way around
5 0
3 years ago
In ABC with the right angle at vertex C, sin(b)= (26)/8. What is sin(a)?
Marat540 [252]

Answer:

We can use the Pythagorean theorem and properties of sines, cosines, and tangents to solve the triangle, that is, to find unknown parts in terms of known parts.

Step-by-step explanation:

Pythagorean theorem:   a2 + b2 = c2.

Sines:   sin A = a/c, sin B = b/c.

Cosines:   cos A = b/c, cos B = a/c.

Tangents:   tan A = a/b, tan B = b/a.

4 0
3 years ago
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