3 years ago

PLEASE CAN SOMEONE HELPPP

Mathematics

1 answer:

NikAS [45]3 years ago

4 0

Answer:

second option

Step-by-step explanation:

The perimeter P is the sum of the 3 sides, then

P = 4x² + 3 + 2x - 5 + x + 11 ← collect like terms

= 4x² + 3x + 9

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Aleksandr-060686 [28]

3x + 15 = 34

3x = 19

x = 6 1/3 is the answer to the question

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iragen [17]

Answer:

x^2 -10x +24

Step-by-step explanation:

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3 years ago

54 students failed a math test. This is 27% of the total number of students. How many students passed the test?

nikdorinn [45]

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Step-by-step explanation:

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3 years ago

A)<br> 2x + y - 12 = 0<br> x + y + 3 = 0

AVprozaik [17]

Answer:

x=15 and y= -18

Step-by-step explanation:

$2x + y - 12 = 0$ Equation 1

$x + y + 3 = 0$ Equation 2

From two given equations, we can find the value of both x and y by finding the value of one variable from any one of the two equations in terms of other variable and putting it to other equation.

Solving equation 1

Finding 'y' in terms of 'x' $2x+y=12\\y=12-2x$ Equation 3

Putting above equation in equation 3 in 2

$x + y + 3 = 0$

$x+12-2x+3=0$

$x=15$

Putting value of 'x' in equation 3 to find the value of 'y'

$y=12-2(15)\\y=12-30\\y= -18$

6 0

3 years ago