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3 years ago

1651 rounded to the nearest thousand

Mathematics

1 answer:

geniusboy [140]3 years ago

7 0

Answer:

2000

nearest thousandth

if the last 3 digits are over 500 then it's rounding up

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Four brothers have ages which are consecutive even integers. If the product of the ages of the two middle brothers is 528, how o

exis [7]

Answer:

The oldest brother is of age $26$ years.

Step-by-step explanation:

As the age of four brothers are consecutive even integers.

We assume that the ages are $x,(x+2),(x+4),(x+6)$ as their respective ages.

And the age of the youngest brother $x$ yrs.

Age of the oldest brother $(x+6)$ yrs.

According to the question

Product of two middle brother that is $(x+2)(x+4) =528$

So we will arrange this in our equation and solve the quadratic.

$(x+2)(x+4) =528$

$x^{2}+4(x)+2(x)+8 =528$

$x^{2}+4(x)+2(x)+8-528=0$

$x^{2}+6(x)-520=0$

Solving the quadratic by using middle term splitting or directly with quadratic formula we can find the value of 'x' .

Here it is solved with quadratic formula:

Comparing with standard equation $ax^{2}+b(x)+c=0$ ,here $a=1,b=6\ and\ c=-520$ .

$x= \frac{-b \pm \sqrt{b^2-4ac} }{2a} = \frac{-6 \pm \sqrt{6^2-4\times \ (-520)} }{2\times 1}$

$x=20,-26$

We will work with the positive value of (x) so the the age of the youngest brother $=(x)=20$ yrs.

And the age of the the oldest brother $=(x+6)=(20+6)=26$ years.

The age difference is of $(26-20)=6$ years.

4 0

4 years ago

The primary deliverables from requirements determination include: A. sets of forms, reports, and job descriptions B. transcripts

Ganezh [65]

Answer:

D. All of these

Step-by-step explanation:

Requirements determination is the process of transforming a system's request into more detailed business statement that is clear and precise. It is the beginning sub phase of analysis, so all the given options in the question can be included.

3 0

3 years ago

The product of six and a number is multiplied by nine

Artist 52 [7]

Product of 6 and a number means 6 times something (let's call it x)
6 times x or 6x

product is multipled by 9
(6x) times 9 or 9(6x)
using associative property or commutative I forgot
9(6x)=(9)(6)(x)=(54)(x)=54x

3 0

3 years ago

Read 2 more answers

Help

VladimirAG [237]

<h3>Answer: 7.4 hours</h3>

==========================================================

Explanation:

Add up the percentage values:

25+20+6+6+6 = 63

This means 63% of the trip was driven by anyone but Dan. That must mean 100-63 = 37% of the trip is how much Dan drove.

Apply this percentage to the 20 hour duration

37% of 20 = 0.37*20 = 7.4 hours represents how long Dan drove.

extra notes:

7.4 hours = 7 hours, 24 minutes because 0.4 hours = 0.4*60 = 24 minutes
7.4 hours = 7 hrs + 24 min = 7*60+24 = 444 minutes

3 0

3 years ago

A new car has a sticker price of $27,950, while the invoice price paid on it was

maxonik [38]

Answer:

D!!!!

Step-by-step explanation:

To find the percent mark up, find the amount of the mark up first:

From $ 21 , 450 → $ 27 , 950 is an increase of $ 6 , 500 To find the percent mark up:change original amount × 100 % 6500 21450 × 100 % = 30.3 % mark up in price.

3 0

3 years ago