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Natasha2012 [34]
3 years ago
13

What is equivalent to 2(x-5)+4x-18=4x

Mathematics
1 answer:
Mashcka [7]3 years ago
7 0
2x-10+4x-18=4x
6x-28=4x
2x=28
x=14 is the solution
6x-28=4x is equivalent

Hope this helped!
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What is the approximate distance from one corner of the soccer field to the opposite corner?
mario62 [17]

Answer:

117 yards

Step-by-step explanation:

From the diagram here, we can see that we are to calculate the diagonal of the rectangular football field

we can calculate this by the use of Pythagoras’ theorem which posits that the square of the hypotenuse = the sum of the squares of the two other sides

From the diagram, the diagonal is the hypotenuse while the other two sides complete the right triangle

let’s say the diagonal is length d

Mathematically;

d^2 = 100^2 + 60^2

d^2 = 10,000 + 3,600

d^2 = 13,600

d = √13,600

d = 116.62 yards which is approximately 117 yards

8 0
3 years ago
ООО
weeeeeb [17]
Dang this look hard a it might be -8,2
3 0
3 years ago
If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3 find (f – g)(x)
sukhopar [10]

f(x)=-4x^2-6x-1\\\\g(x)=-x^2-5x+3\\\\(f-g)(x)=f(x)-g(x)=(-4x^2-6x-1)-(-x^2-5x+3)\\\\=-4x^2-6x-1+x^2+5x-3=(-4x^2+x^2)+(-6x+5x)+(-1-3)\\\\=-3x^2-x-4\to\boxed{B.}

8 0
4 years ago
When 8 is added to 3times a certain number, the result is the same as adding 12 to twice the number. find the number​
White raven [17]

Answer:

The number is 4

Step-by-step explanation:

<u>Choose a variable for the number.</u>

let the number be "x"

<u>Make an equation</u> with the information from the problem. Break down each part of the problem and change it to the algebraic form (numbers and symbols).

"When 8 is added to"               8 +  

"3 times a certain number"       3x

"the result is the same as"         =

"adding 12 to"                            12 +

"twice the number"                   2x

Put the equation back together with each of the parts.

8 + 3x = 12 + 2x

<u>Now isolate "x"</u> to the left side to find the number.

8 + 3x - 2x = 12 + 2x - 2x       Subtract 2x from both sides

8 + x = 12                           "x" is only on the left side

8 - 8 + x = 12 - 8                Subtract 8 from both sides

x = 4                             Solved for the number

Therefore the number is 4.

5 0
3 years ago
An ant is on top of a tree 23 meters tall,directly above her home, which is .3 meters below the ground
ollegr [7]

Answer:

so shes 26 meters above her home? i dont know what your asking tbh

Step-by-step explanation:

6 0
3 years ago
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