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DerKrebs [107]
4 years ago
9

Working with your cousin you can refinish a table in 3 hours. Working alone, your cousin can complete the job in 7 hours. How lo

ng would it take you to refinish the tab look alone?
Mathematics
1 answer:
spin [16.1K]4 years ago
8 0
The answer would be 4. if the cousin could do it at 7 hours and now when they work with the cousin it finishes in three that means that the person takes away 4 hours so if they were to work alone that would be 4 hours, hope its right!
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Ill give brainliest worth 40 points (if got right)
andrey2020 [161]

Answer:

78125

Step-by-step explanation:

5x5x5=125

5x5=25

25x125=3125

3125x25=78125

I think this is the answer

3 0
3 years ago
A bag contains 9 marbles: 2 are green, 5 are red, and 2 are blue...
natima [27]

The probibility of Alonzo pulling out two green marbles is 2/9 I believe.

I hope this helps

3 0
3 years ago
Y = -3x+ 5<br> y = x - 3<br> (-2,-4)<br> (2,-1)<br> an infinite number of solutions
Leno4ka [110]
Your answer is (2,-1)
3 0
3 years ago
Read 2 more answers
-4x + 8 &gt; 12 inequality solution ?
BARSIC [14]

Answer:

x<-1

Step-by-step explanation:

-4x+8>12

-4x>12-8

-4x>4

x>4/-4

x>-1

x<-1

6 0
3 years ago
PLZ HELP E!!!!!!! WILL MARK BRAINLIEST
vitfil [10]

Answer:

1

+

sec

2

(

x

)

sin

2

(

x

)

=

sec

2

(

x

)

Start on the left side.

1

+

sec

2

(

x

)

sin

2

(

x

)

Convert to sines and cosines.

Tap for more steps...

1

+

1

cos

2

(

x

)

sin

2

(

x

)

Write  

sin

2

(

x

)

as a fraction with denominator  

1

.

1

+

1

cos

2

(

x

)

⋅

sin

2

(

x

)

1

Combine.

1

+

1

sin

2

(

x

)

cos

2

(

x

)

⋅

1

Multiply  

sin

(

x

)

2

by  

1

.

1

+

sin

2

(

x

)

cos

2

(

x

)

⋅

1

Multiply  

cos

(

x

)

2

by  

1

.

1

+

sin

2

(

x

)

cos

2

(

x

)

Apply Pythagorean identity in reverse.

1

+

1

−

cos

2

(

x

)

cos

2

(

x

)

Simplify.

Tap for more steps...

1

cos

2

(

x

)

Now consider the right side of the equation.

sec

2

(

x

)

Convert to sines and cosines.

Tap for more steps...

1

2

cos

2

(

x

)

One to any power is one.

1

cos

2

(

x

)

Because the two sides have been shown to be equivalent, the equation is an identity.

1

+

sec

2

(

x

)

sin

2

(

x

)

=

sec

2

(

x

)

is an identity

Step-by-step explanation:

7 0
3 years ago
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