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s2008m [1.1K]
4 years ago
7

Write two expressions whose sum is x-3/x+2, I need help it is confusing for me.

Mathematics
1 answer:
lara [203]4 years ago
6 0
\bf \cfrac{x}{x+2}~~-~~\cfrac{3}{x+2}\impliedby \textit{since the LCD is }x+2\implies \cfrac{x-3}{x+2}
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A container in the shape of this cuboid holds 2 litres of water.
zysi [14]

Given:

Volume of cuboid container = 2 litres

The container has a square base.

Its height is double the length of each edge on its base.

To find:

The height of the container.

Solution:

We know that,

1 litre = 1000 cubic cm

2 litre = 2000 cubic cm

Let x be the length of each edge on its base. Then the height of the container is:

h=2x

The volume of a cuboid is:

V=l\times w\times h

Where, l is length, w is width and h is height.

Putting V=2000,\ l=x,\ w=x,\ h=2x, we get

2000=x\times x\times 2x

2000=2x^3

Divide both sides by 2.

1000=x^3

Taking cube root on both sides.

\sqrt[3]{1000}=x

10=x

Now, the height of the container is:

h=2x

h=2(10)

h=20

Therefore, the height of the container is 20 cm.

8 0
3 years ago
2,550 gallons in 30 days and find the unit rate.round to the nearest hundredth if necessary
faust18 [17]
85 gallons per day is the unit rate. divide 2550 by 30
6 0
3 years ago
Solve for x in the equation x^2-12x+36=90
Nitella [24]

Answer:

a

Step-by-step explanation:

someone already answer this

brainly.com/question/8084861

5 0
3 years ago
HELP ME PLZZ I NEED HELP WITH THIS!!
BigorU [14]

Answer:

d

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can anyone please help me with this??? I really need it );
Nata [24]

Answer:

(x,y) (9,4)

Step-by-step explanation:

-2x+7y = 10

x -3y = -3 (move x to the other side)

-2x +7y = 10

x = -3 + 3y (put in for x)

-2 (-3 +3y) +7y =10 ( slove for y)

6-6y +7y = 10

6+y = 10

y = 10-6

y = 4

go back slove for x

x = -3+3x4

x = 9

8 0
2 years ago
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