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Jlenok [28]
2 years ago
8

The rectangles shown are similar. What is the value of x?

Mathematics
1 answer:
drek231 [11]2 years ago
3 0
Since the rectangles are similar. The ratio of their sides will be the same.

So, we can write:

x:18 = 4:6 \\  \\ 
 \frac{x}{18}= \frac{4}{6} \\  \\   
x =  \frac{4}{6}  * 18 = 12

Therefore, the left side of the bigger rectangle will be 12 units in length.
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what algorithm (rule) will produce the correct result for the sum "a+b" where a and b each represent any rational number.
Leokris [45]

Answer:

To find the sum of  a + b where a and b are rational number.

1. when a and b are natural numbers

just add them . for example a =3, b=8

then ,a + b = 11

2. When a and b  are whole numbers,

simply add them . for example a= 0, b=8

a+ b = 0 + 8= 8

3. When  a and b are integers

for example, a =-1 b=8,

a+ b= -1+ 8 =7,

a=-2, b= -8

a+ b= -2-8=-10

a= -6 , b=2

a+ b= -6 + 2= -4

a= 8, b= -2

a+ b= 8 +(-2) =6

I have written this because Rational number = [Integers{Whole number(Natural number)}]

now when a= Any fraction=\frac{p}{q} and b = Any fraction=\frac{u}{v}

now ,

\frac{p}{q} + \frac{u}{v}

Find L.C.M of q and v

= if q and v are Co-prime , just multiply them to find their  L.C.M.

For example 14,9. LCM=14×9=126

Otherwise, Find factors of q and v . Then take out common factors first and then multiply the remaining with with common factors.For example

q=12 and v=18

12 =2×2×3

18=2×3×3

common factor =2,3

non common=2,3

L.C.M= 2×2×3×3=36

Suppose LCM of q and v = r

then ,\frac{p}{q} + \frac{u}{v}

=\frac{{\frac{r}{q}}\times p+{\frac{r}{v}\times u}}{r}\\

= {{\frac{r}{q}}\times p+{\frac{r}{v}\times u}} = k

then ,

a + b=\frac{k}{r}





5 0
3 years ago
PLSSSSSSSSSSSSSSSSSSSSSSSSSS ANSWER THIS
postnew [5]

Step-by-step explanation:

(a.y^{3} +3y^{2} -3 ) = (ay^{2} +(4a+3)y +4(4a+3))(y-4) +64a+45

so A = 64a +45

(2y^{3} -5y+a =(2y^{2} +8y +27)(y-4) +108 +a

so B = 108 +a

2A-B=0--> 2(64a+45)-108-a=0--> a =18/127

7 0
3 years ago
Below is a plan of a vegetable plot.
Over [174]
10.2 all you have to do is add up all the sides... hope this helps!
3 0
3 years ago
Extra points to the brainiest answer!
mixer [17]

Answer:

Step-by-step explanation:

That'd be the second root of 7^3, where 3 is the exponent of the radical.

6 0
3 years ago
Read 2 more answers
Tom has a solid, wooden block that is a rectangular prism with non-square bases. He saws the prism parallel to the base. What sh
Katyanochek1 [597]

Answer:

A) Rectangle

Step-by-step explanation:

Hope this helps :D

6 0
3 years ago
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