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GREYUIT [131]
3 years ago
7

Can some one please tell me the answerto this 2(x+4)-1=2x+7​

Mathematics
1 answer:
dangina [55]3 years ago
7 0

Answer:

2(x+4)-1=2x+7 is true for everything

Step-by-step explanation:

2(x+4)-1

2(x+4)

=2x+2*4

=2x+8

=2x+8-1

=2x+7

2x+7=2x+7

2x=2x

2x-2x=2x-2x

0=0

true for all x

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Geometry work help find the value of x
Oxana [17]

Answer:

110⁰!!

Step-by-step explanation:

so this is an isosceles triangle! the base angles are always equal to each other. since 35 is a vertical angle, the base angle vertical to that would be 35. and since base angles ALWAYS equal each other, they would both be 35.

35+35=70, 70 is the base angles added up

180-70=110

c=110

8 0
3 years ago
A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches.w
marshall27 [118]
Perimiter=sum of all sides
x+x-4+x-4=19
3x-8=19
add 8 both sides
3x=27
divide both sides by 3
x=9 inches

x=9 in
8 0
4 years ago
The greatest common factor of 3m^2n+12mn^2 is
shutvik [7]
3m²n + 12mn²
3mn(m) + 3mn(4n)
3mn(m + 4n)

The GCF of this expression is 3mn.
7 0
3 years ago
Solve 14a-3b+9c=18 for a. Do not use a= in your answer
Lelu [443]

Answer:

9/7 + 3/14b  - 9/14c

Step-by-step explanation:

See image below:)

8 0
3 years ago
The floor of a NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?
fiasKO [112]

The cubic feet of space that is in the subway car is the volume of the subway car which is 5,502.

<h3>How many cubic feet of space are there in a subway car?</h3>

The shape of a subway car is in the form of a rectangular prism. In order to determine the cubic feet of space, the volume of the car has to be determined. The formula for the volume of a rectangular prism would be used.

Volume = width x height x length

12 x 51 x 8.5 = 5205

Here is the complete question:

The floor of an NYC subway car measures approximately 51 feet by 8.5 feet. The height of the NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?

To learn more about the volume of a cuboid, please check: brainly.com/question/26406747

5 0
3 years ago
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