All categories

3 years ago

Explain how to estimate the square root of 1659

Mathematics

1 answer:

Nata [24]3 years ago

7 0

Explanation:

Find the two closest square numbers to 1659.

40*40=1600

41*41=1681

Decide much closer to either 1600 or 1681 is 1659.

If it is exactly halfway between the two numbers, the square root is 40.5.

If it is closer to 1600, the sq rt decimal is between 1 and 4.

If it is closer to 1681, the sq rt decimal is between 6 and 9.

You might be interested in

The Richter magnitude of an earthquake, M, is related to the energy released in ergs, E, by the formula M=2/3log(E/10^11.8). Fin

laiz [17]

Just substitute M=4.2 in the given equation. Make the whole log term the subject.

 $\log(\frac{E}{10^{11.8}})=\frac{3M}{2}$

Then, remove the log,:

$\frac{E}{10^{11.8}}=10^{\frac{3M}{2}}

E=10^{11.8}\times10^{\frac{3\times4.2}{2}}=10^{11.8+6.3}=10^{18.1}=1,258,925,411,794,167,210$

4 0

4 years ago

Read 2 more answers

A vending machine has 5 colors (white, red, green, blue, and yellow) of gumballs and an equal chance of dispensing each. A secon

Karo-lina-s [1.5K]

Answer:

1/20 or 0.05

Step-by-step explanation:

The probability of getting yellow:

1/5

The probability of getting a lion rubber band:

1/4

The probability of getting two events (getting yellow, getting a lion) are independent, so we have to multiply the two probabilities to get:

(1/5) × (1/4)
1/20 or 0.05

7 0

3 years ago

A seller buys an item from a manufacturer for $100 and sells it to a customer for $120. Which of these terms describes this extr

kramer

It’d be the markup so C.)

3 0

4 years ago

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. She also earns a base salary

sashaice [31]

Danielle earned $951.25

Step-by-step explanation:

Multiply her commission by her sales and add her base rate

x=7.25%($4500)+625 or x=0.0725(4500)+625

distribute

x=326.25+625

simplify

x=951.25

8 0

3 years ago

Given AB=15cm,BC=20cm.Find AB correct 3 significant

nignag [31]

The length of AB is 25 units

<h3>How to determine the length AB?</h3>

The given parameters are

AC = 15 cm

BC = 20 cm

The triangle is right -angled at C.

So, we have:

AB^2 = AC^2 + BC^2

This gives

AB^2 = 15^2 + 20^2

Evaluate

AB^2 = 625

Take the square roots

AB = 25

Hence, the length of AB is 25 units