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katrin2010 [14]
3 years ago
13

A software book is divided into two sections, basic operations and advanced in a ratio of 7:2. If there are 450 pages, how many

pages is the basic section?
Mathematics
1 answer:
kenny6666 [7]3 years ago
6 0

Answer:

350:100

Step-by-step explanation:

By dividing 450 by 9 which is 7 + 2, both of the ratio numbers, and you get 50. Then you do 50 x 7, the first number, then 50 x 2, the second number, to get 350:100

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It took 7 hours to mow 4 lawns; at that rate, how many lawns could be mowed in 21 hours
yuradex [85]

Answer:

12

Step-by-step explanation:

7x3=21

3x4=12

boOM

Hope This Helps

<3

6 0
4 years ago
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What is 237 rounded to the nearest ten
Lerok [7]

Answer:

240

Step-by-step explanation:

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Which fraction is equivalent to - 3/2
andrezito [222]

Answer:

3/-2

Step-by-step explanation:

The negative sign applies for the whole fraction

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3 years ago
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Find the solutions to the equation 4x2 - 8x + 3 = 0
katovenus [111]
<h2>Steps</h2>

So to find the solutions, I will be factoring by grouping. Firstly, what two terms have a product of 12x² and a sum of -8x? That would be -2x and -6x. Replace -8x with -2x - 6x:

4x^2-2x-6x+3=0

Next, factor 4x² - 2x and -6x + 3 separately. Make sure that they have the same quantity on the inside of the parentheses:

2x(2x-1)-3(2x-1)=0

Now you can rewrite it as:

(2x-3)(2x-1)=0

Now, apply the zero product property and solve:

2x-3=0\\2x=3\\x=\frac{3}{2}\ \textsf{OR}\ 1.5\\\\2x-1=0\\2x=1\\x=\frac{1}{2}\ \textsf{OR}\ 0.5

<h2>Answer</h2>

<u>In short, x = 3/2 (1.5) and 1/2 (0.5).</u>

7 0
4 years ago
Find the midpoint of the segment with endpoints at A(3, 11) and B(7,3).
bonufazy [111]

Answer:

The answer is

<h2>(5,7)</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

A(3, 11) and B(7,3)

The midpoint is

M = ( \frac{3 + 7}{2}  \:  , \:  \frac{11 + 3}{2} ) \\  = ( \frac{10}{2}  \: , \:  \frac{14}{2} )

We have the final answer as

<h3>( 5 , 7)</h3>

Hope this helps you

6 0
3 years ago
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