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liubo4ka [24]
3 years ago
10

Bart can paint one house in 3 hours. ann can paint one house in 5 hours. how long would it take bart & ann to paint one hous

e if they worked together?
Mathematics
1 answer:
Akimi4 [234]3 years ago
5 0
It will take them 4 hours
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62.837 expanded for decimal
Liono4ka [1.6K]

Answer:

60 + 2 + 0.8 +0.03 +0.007

Step-by-step explanation:

Add these up and yo get the same number: 62.837.

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Express the given complex number in the form r(cos θ + i sin θ) = reiθ. 3 − i
baherus [9]
Answer:

let z=3-i
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4 years ago
1/5 divided by 3 is what
Vsevolod [243]

Answer:

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Step-by-step explanation:

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3 years ago
Simplify.<br> -5x^4(-3x^2+4x-2)
Amiraneli [1.4K]

Answer:

3x^6 - 4x^5 + 2x^4

Step-by-step explanation:

Given

-5x^4 ( -3x^2 + 4x - 2)

Step 1 : open the bracket with -5x^4

-5x^4 * -3x^2= 15x^6

Hint: - * - = +

x^4 * x ^2 = x^ 4+2 = x^6

-5x^4 * + 4x = - 20x^5

Hint: - * + = -

x^4 * x = x^4 + 1 = x^5

(x is always raise to the power of 1 but we don't write it or less it is greater than 1 e.g. 2 , 3 ,4, ..........)

-5x^4 * -2 = 10x^4

Hint: - *- = +

Let's combine the answers

15x^6 - 20x^5 + 10x^4

We can look for a factor that can go through as in that can divide all without a reminder

Factors of

15 - 3 * 5

1 * 15

20 - 4 *5

2 *10

1 * 20

10 - 2*5

1 * 10

Since the factor of 5 is common in all, so we are using 5 to divide through

15x^6 - 20x^5 + 10x^4

Using 5 to divide through

15x^6 / 5 - 20x^5 / 5 + 10x^4 / 5

= 3x^6 - 4x^5 + 2x^4

4 0
4 years ago
What is the slope of the line shown below?
Alexxx [7]

Answer:

A

Step-by-step explanation:

m = (-7 - 6 ) / (-5 - 1)

m = -13 / -6

m = 13/6

4 0
3 years ago
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