3 years ago

Which expression is equivalent to 5x+3?A. 8xB. 3+5xC. 3x+5D. 5(x+3)

Mathematics

2 answers:

MariettaO [177]3 years ago

6 0

Answer:

Step-by-step explanation:

lyudmila [28]3 years ago

6 0

B is equivalent to 5x+3
the reason to this is because 3 and 5 are just switched

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3 years ago

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coldgirl [10]

$\large{\underline{\underline{\pmb{\sf {\color {blue}{Solution:}}}}}}$

Given,

Area = 225 yd²

Base = 30 yd

Height = [To be calculated]

To find:

The height of the given triangle.

We know that, area of a triangle is:

$\frac{1}{2} \times (b \times h) \\ \\ \leadsto \frac{1}{2} \times (30 \times h) \\ \\ \leadsto \frac{1}{2} \times 30h \\ \\ \leadsto \frac{1}{ \cancel{2}} \times \cancel{30}h \\ \\ \leadsto1 \times 15h \\ \\ \leadsto \: h = 15 \: yd$

Therefore, the require height is 15 yd.

$\green\star$ Proof:

$\frac{1}{2} \times (b \times h) \\ \\ \leadsto \frac{1}{2} \times (30 \times 15) \\ \\ \leadsto \frac{1}{ \cancel{2}} \times \cancel{450} \\ \\ \leadsto1 \times 225 \\ \\ area = 225 {yd}^{2}$

$\boxed{ \frak \red{brainlysamurai}}$

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1 year ago

Solve |2x - 2| < 8

Alex777 [14]

Answer:

Step-by-step explanation:

|2x - 2| < 8

it implies that

2x - 2 < 8

2x -2 + 2 < 8 + 2

2x < 10

x < 5

-(2x - 2) < 8

-2x + 2 < 8

-2x + 2 - 2 < 8 - 2

- 2x < 6

x > -3 ( the sense of the inequality reverse because I divided by minus)

The solution can be combine to

-3<x<5

4 0

2 years ago

Which expression is equivalent to 5x+3?​A. 8xB. 3+5xC. 3x+5D. 5(x+3)

Which expression is equivalent to 5x+3?A. 8xB. 3+5xC. 3x+5D. 5(x+3)