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aleksandr82 [10.1K]
4 years ago
8

Estimate the following difference using front-end estimation.

Mathematics
2 answers:
nikklg [1K]4 years ago
8 0

Answer Is 500. If it's wrong that's not me. I know, bc I did it.

Step-by-step explanation:

Anon25 [30]4 years ago
3 0

Answer:

The answer is 600

Step-by-step explanation:

Front end estimation is a method of rounding use to make operations more easily and obtain approximate answers. Is called front end because we take the first digit of the number or the "front digit" and round our number to the nearest value detemined by our front end digit, making zeros the other numbers until the end.

In your case we have:

788.44 - 7 is the front number - in hundreds place -  we round to nearest hundred 788.44 and this is 800.

225.6  - 1 is the front number - in hundreds place - we round to nearest hundred 225.6  and this is 200.

We perform the operation and obtain : 800-200 = 600.

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How long will it take for a $2000 investment to grow to $3178 at an annual rate of 8.6%, compounded semiannually? Assume that no
masha68 [24]

Answer:

n = 1

Step-by-step explanation:

Due to it being compounded semiannually, the total amount after n years should be 2000[1+(.086/2)]^2n = 3178.    (A = p(1+r/n)^nt)

Hence, solving this equation:

(1+0.43)^2n = 3178/2000

1.43^2n = 1.589

2n = 2

n = 1

7 0
3 years ago
What is the volume of a cylinder with a height of 4.5 cm and a base with a radius of 5.2 cm, to the nearest tenth of a cubic cen
lawyer [7]

Answer:

382.3

Step-by-step explanation:

v=πr²h

v=π(5.2)²(4.5)

v=about 382.27

3 0
3 years ago
An unusual number cube (with 6 sides) has the numbers 2, 2, 4, 4, 6, and 6 on its faces.
Hunter-Best [27]

P(2 or 4) = 2/3

p(multiple of 2) =  1

p(multiple of 3) = 1/3

P(odd prime numbers) = 0

<h3>What are the probabilities?</h3>

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

P(2 or 4) = (number of sides that have a value of 2 / total number of sides) + (number of sides that have a value of 2 / total number of sides) = 2/6 + 2/6 = 2/3

p(multiple of 2) = number of sides that are a multiple of 2 / total number of sides

6/6 = 1

p(multiple of 3) = number of sides that are a multiple of 3/ total number of sides

= 2/6 = 1/3

P(odd prime numbers) = number of odd prime numbers / total number of sides  = 0

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

8 0
2 years ago
Read 2 more answers
In the equation 4x² - 16x + 12 = 0, the solution is?​
ElenaW [278]
X= 3, 1



Hope this helps<3
5 0
3 years ago
Read 2 more answers
I could really use your help:)
Colt1911 [192]

Answer:

Question 1: -3 and 6 in that order

Question 3: 3 and y=1/2x+3 in that order

Question 2: 2 and y=2x+4 in that order

Step-by-step explanation:

:)

3 0
3 years ago
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