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Deffense [45]
4 years ago
15

I need help with this one

Mathematics
2 answers:
borishaifa [10]4 years ago
8 0

Answer:

x = 82.5

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180, that is

x + x - 45 + 60 = 180, that is

2x + 15 = 180 ( subtract 15 from both sides )

2x = 165 ( divide both sides by 2 )

x = 82.5

andrew11 [14]4 years ago
3 0

Answer:

--------------------------------------------------

Step-by-step explanation:

60+x-45+x=180

60-45+2x=180

15+2x=180

2x=180-15

2x=165

x=165/2

x=82.5

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Answer:

Step-by-step explanation:

A. In each drawing, the odds of choosing green is 7 / (7 + 13 + 9) = 7/29

with replacement, the odds in each drawing are the same

7/29•7/29•7/29 = 7³/39³ = 343 / 24,389

B.

Odds of drawing all non black balls is the sum of odds of drawing the following possible patterns

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(7•6•5 + 7•6•9 + 7•9•6 + 9•7•6 + 9•8•7 + 9•7•8 + 7•9•8 + 9•8•7) / 29•28•27 = 3,360/21,924

3 0
3 years ago
Choose the correct simplification of the expression a to the 7th power times b to the 8th power all over a to the 4th power time
defon
First you need to write the numerical equation for the given:

\frac{ a^{7}  b^{8} }{ a^{4}  b^{4} }

When you will simplify this fraction, you can divide the expressions. Based on the law of exponents when you divide like terms with different exponents, you can subtract the exponents of the denominator from the numerator. 

So if you will simplify the equation:

\frac{ a^{7} b^{8} }{ a^{4} b^{4} }

Subtract the following:

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Your answer should be 
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3 0
4 years ago
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tamaranim1 [39]
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6 0
3 years ago
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Vitek1552 [10]

Answer:

16

Step-by-step explanation:

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6 0
4 years ago
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Brrunno [24]

Answer:

$3.75.

Step-by-step explanation:

To solve this, we will simply need to subtract the amount already paid from the amount he needs to pay.

15.75 - 12.00 = $3.75

6 0
3 years ago
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