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Kryger [21]
2 years ago
13

Pratctice and Solving Solve each equation with variables on both sides 1. 6x - 2 = x + 13​

Mathematics
2 answers:
IrinaK [193]2 years ago
8 0

Answer:

x=3

Step-by-step explanation:

6x - 2 = x + 13

subtract 1x from both sides

5x - 2 = 13

isolate the 5x by adding 2 to both sides

5x = 15

finnaly devide both by 5

x = 3

Rus_ich [418]2 years ago
7 0

Answer:

      -7

Step-by-step explanation:

     1.6x-2=x+13

   +1.6x      +1.6x

          -2=2.6x+13

          -13        -13

          -15=2.6x

(2.6 divided by 2.6)

(-15 divided by 2.6 is -7)

answer:-7

Sorryyyyy its hard to explain

             

         

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Which expression is NOT equal to 125? (1 point)
DENIUS [597]
Choice 1:
= 5 * [5^3 / (2/5)]^2
= by looking at the equation, it's kinda not equal to 125

choice 2:
= [5^3 / 5^4]^-3
= 5^-9 / 5^-12
= 5^(-9 - -12)
= 5^3
= 125

choice 3:
= 5^-2 / 5^-5
= 5^(-2 - -5)
= 5^3
= 125

choice 4:
= 5 * 5^5/5^3
= 5 * 5^(5-3)
= 5 * 5^2
= 5^3
= 125

So the expression that is not equal to 125 is:
<span>5 times the quotient 5 cubed over two-fifths, raised to the second power</span>
5 0
3 years ago
which measure would you report to describe the diffrences between the most electricity used in 1 month and the least
frozen [14]
Probably kJ/month if that’s what you want
5 0
3 years ago
Please help me understand! Thank you!!
musickatia [10]

i think it might be 3 53/100

4 0
3 years ago
Read 2 more answers
Determine 4th term in the geometric sequence whose first term is -2 and whose common ration is -5.
anygoal [31]

Answer:

a_{4} = 250

Step-by-step explanation:

To obtain any term in the geometric sequence multiply the previous term by the common ratio r

here r = - 5 and a_{1} = - 2, hence

a_{2} = - 2 × - 5 = 10

a_{3} = 10 × - 5 = - 50

a_{4} = - 50 × - 5 = 250


8 0
3 years ago
Find the height of a rectangular prism if the surface are is 288 square centimetres and the base has a length of 4 centimetres a
liraira [26]
The rectangular prism below is made up of 6 rectangular faces, and the faces opposite to each other are have an equal area.
The area of one of the faces is lxh or lh, and the area of the face opposite to it is also equal, so the area of those two equal faces is 2lh.
The area of the base of the prism is lxw, and the area of its opposite face is equal, so the area of those two equal faces is 2lw.
The area of the face in the left side of the prism is wxh, and the area of the face opposite to it is also equal, so their combined area is 2wh.
So, to find the total surface area of a rectangular prism, we’d add the sum of all the rectangular faces, so the formula of finding the surface area of a rectangular prism=
2lh+2lw+2wh
=2(lh+lw+wh)
Given,
Surface area of the rectangular prism=288 cm^2
2(lh+lw+wh)=288
2[4h+(4x9)+9h)]=288
4h+(4x9)+9h=288/2
4h+(4x9)+9h=144
13h+36=144
13h=144-36
13h=108
h=108/13
h=8.308 cm
Hope this helps!

8 0
3 years ago
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