2 years ago

X+4y=−3

Mathematics

1 answer:

VARVARA [1.3K]2 years ago

6 0

Step-by-step explanation:

Substitute x = -3, y = -3 into the given equation:

$- 3 + 4( - 3) = - 3$

Simplify and Solve:

$- 3 + - 12 \neq - 3$

The point (-3, -3) doesn't satisfy the given equation.

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Pls solve q no. 7. I need it urgently. Tomorrow is my exam.

FinnZ [79.3K]

Answer:

The area of the square lawn is $784\ m^2$

Step-by-step explanation:

Part 7)

Let

x ----> the length side of the square lawn in meters

we know that

The area of the path is equal to

$A=(x+2+2)^2-x^2$

$A=(x+4)^2-x^2$ ----> equation A

$A=240\ m^2$ ----> equation B

$240=(x+4)^2-x^2$

Solve for x

$240=(x^2+8x+16)-x^2$

$240=8x+16$

$8x=240-16$

$8x=224$

$x=28\ m$

The area of the square lawn is

$A=x^2$

substitute the value of x

$A=28^2=784\ m^2$

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2 years ago

How many yards are in 6 feet???

Lesechka [4]

2 yards. Each yard is 3 feet.

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3 years ago

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A map is drawn to a scale of 1 inch = 10 miles. How many miles apart are two points that are 2 1/2 inches apart on the map?

bixtya [17]

You have the answer right there near the end. 2-1/2 x 10 = 25 miles.

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3 years ago

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700/200 in a terminating decimal

Aneli [31]

700/200=7/2 because devide by 100 and then=3 1/2 and half is .5 so= 3.5

8 0

3 years ago

Please help me please

erastovalidia [21]

-3,4 the reflection is just making it positive or negative in a different section in this case u change the y to a positive and put it on the second plain

Hope I helped plz giv brainlyest bro I need it

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3 years ago