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3 years ago

C-4= -9 Will give Brainly

Mathematics

2 answers:

Vlad1618 [11]3 years ago

8 0

The answer is -5 because -5 plus -4 equals -9

Kipish [7]3 years ago

4 0

Answer:

C = -5

Step-by-step explanation:

C-4= -9

Add 4 to each side

C-4+4 = -9+4

C = -5

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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

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

3 0

3 years ago

Darla can do a job in eight hours while Lonnie can do the same job in six hours. Both Darla and Lonnie work three hours on the j

photoshop1234 [79]

Answer:

Look below ⏬

Step-by-step explanation:

Darla 8h

Lonnie 6h

They both worked 3 hours now

subtract

8-3=5

6-3=3

Darla have 5 hours to finish

and...

Lonnie has 3 hours to finish

all together is 8 hours in all

8 0

3 years ago

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PLEASE HELPPP! I'LL GIVE BRAINLEST

Tema [17]

Answer:

Thats easy C:

2 and 3 at the same time

Step-by-step explanation:

3x2=6 or if you dived 6/2=3

Also one thing when doing markup or profit(I think thats how you spell it if not im srry my spelling is very bad lol) you dived it

Have a good day :D

8 0

3 years ago

If their is a cube with 2/3ft what is the surface area?

Arlecino [84]

A cube has 6 sides.

Find 1 side:
1 side = 2/3 x 2/3 = 4/9

Find 6 sides:
6 sides = 4/9 x 6 = 8/3 = 2 2/3 ft²

Answer: 2 2/3 ft²

8 0

4 years ago

The volume of a solid is measured in units cubed. True False

weeeeeb [17]

I think the answer would be true

4 0

3 years ago

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