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ANTONII [103]
3 years ago
15

A cable is 84 meters long is cut into two pieses so that one piece is 18 meters longer than the other. find the length of each p

iece of cable.
Mathematics
1 answer:
Nookie1986 [14]3 years ago
7 0
The length is Twenty four meters long
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What is the value of x in the equation 0.2(x 1) 0.5x = –0.3(x – 4)? negative seven-halves –1 1 seven-halves
Paraphin [41]

The value of the variable x equation 0.2x+0.2+0.5x=-0.3x+1.2 is x=1.

Given a linear equation 0.2x+0.2+0.5x=-0.3x+1.2

Equation is a combination between two or more variables which is usually expressed in equal to form. Equation of two variable looks like ax +by=c. It is solved to find the quantity of x.

Given equation is as under:

0.2x+0.2+0.5x=-0.3x+1.2

It is a linear equation and will have only 1 solution. Linear equation is a equation which is having a straight line graph.

Adding the coefficients of variable

0.7x+0.2=-0.3x+1.2

Take -0.3 to other side

0.7x+0.3x=1.2-0.2

Adding the coefficients of variables

x=1

Hence the value of x in the equation 0.2x+0.2+0.5x=-0.3x+1.2 is x=1.

Learn more about equation at brainly.com/question/2972832

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8 0
2 years ago
What is <br> r squared+7r+6=0
Firlakuza [10]

Answer:

r = -6, -1

Step-by-step explanation:

r^2 + 7r+6 =0

Factor

What 2 numbers multiply to 6 and add to 7

6*1 =6

6+1 =7

(r+6) (r+1) =0

Using the zero product property

r+6 =0        r+1 =0

r = -6            r=-1

7 0
3 years ago
Abby has been absent from class. How would you explain to her what absolute value is?
lara [203]

Answer:

absolute value is the number itself regardless if it is negative or positive

7 0
3 years ago
a union contract calls for a 6.5% salary increase and the new salary that a worker currently making $58,500 under this contract
irina1246 [14]

58500 x 0.065 = 3802.50

58500 + 3802.50 = 62302.50


7 0
3 years ago
Which point corresponds to the real zero of the graph of y = log3 (x+2) - 1?
brilliants [131]

Answer:

(1, 0 )

Step-by-step explanation:

using the rule of logarithms

log_{b} x = n ⇒ x = b^{n} , then

y = log_{3} (x + 2) - 1

to find the zero let y = 0 , that is

log_{3} (x + 2) - 1 = 0 ( add 1 to both sides )

log_{3} (x + 2) = 1 , then

x + 2 = 3^{1} = 3 ( subtract 2 from both sides )

x = 1

the zero is (1, 0 )

8 0
2 years ago
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