MATHEMATICS MIDDLE SCHOOL

How do I solve this equation? If 3t-7=5t then 6t=

a 21
b-7
c-21
d-42

Answers

Answer 1
Answer: If 3t – 7 = 5t, then 6t =
Let’s first solve the first equation:
=> 3t – 7 = 5t
=>  3t – 5t = 7
=> -2t = 7
=> t = 7 / -2
=> t = -7/2

If t = -7/2 , then 6t = 6 (-7 / 2)
=> t = -42/2
=>  t = - 21 Thus, the value of t in If 3t – 7 = 5t is -7/2
and the value of t in 6t = is -21
The answer is C.



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Answers

Answer:

The required value of e is 10.

Step-by-step explanation:

 We are given to solve the following equation for the variable e :

To solve the given equation for e, we must take all the terms involving e on one side and the constant terms on the other side of the equation.

The solution of equation (i) is as follows :

Thus, the required value of e is 10.

Answer:

a

Step-by-step explanation:

Each question is asking something different please round will mark brainliest

Answers

Answer:

1) 78.54

2) 490.87

3) diameter: 15.9999 so 16.00? circumference: 50.27

Step-by-step explanation:

A particular circle in the standard (x,y) coordinateplane has an equation of (x − 5)^2 + y^2 = 38. What are
the radius of the circle, in coordinate units, and the
coordinates of the center of the circle?
radius center
F. 38 ( 5,0)
G. 19 ( 5,0)
H. 38 ( 5,0)
J. 38 (−5,0)
K. 19 (−5,0)

Answers

the\ center\ of\ the\ circle:(a;\ b)\nthe\ radius:r\n\nthen\ the\ circle:(x-a)^2+(y-b)^2=r^2\n\n=========================\n\n(x-5)^2+y^2=38\n\n(x-5)^2+(y-0)^2=(√(38))^2\n\ncenter:(5;\ 0)\nradius:√(38)

Write a real world situation that could be modeled by the equation 650 + 10m = 60m + 400

Answers

two really fast cars are accelerating differently how long would it take for car a to catch up to car b

Hey guys i need this right away but what is 64% in simpilest foarm as a fraction.

Answers

16/25 is the answer because both divisible by 4
16/25 I think that this is right but just to make shore check it but I think it is right

The area of a rectangle is 256.5m.  If the length is 18m what is the perimeter of the rectangle?

Answers

The area of a rectangle equals length times height. (A=LH)

A=256.5 L=18

Plugging in the numbers into the equation, you get 256.5=18H. (like I substituted the numbers in)

next if you divided both sides by 18, it will cancel out the 18 in the 18H side of the equation.

So, it is 256.5/18 equaling H

256.5 divided by 18 is... 14.25

That means the height is 14.25 an the length is 18.

the perimeter is all of the sides added together. in a rectangle, the sides opposite each other are the same.

So you have two sides that are 14.25 and two that are 18 meters long.

14.25+14.25+18+18 equals the perimeter then.

So the answer would be... 64.5!
area = l x b

thus, 256.5 = 18 x b

thus b = 256.5/18
= 14.25

thus, breadth is 14.25 meters

Now perimeter = 2l + 2b

= 36 + 28.5

= 64.5

Thus, perimeter of the rectangle is 64.5 meters
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