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pantera1 [17]
3 years ago
13

Please answer both questions below!!!!

Mathematics
1 answer:
noname [10]3 years ago
3 0

8 green apples

11 red apples

5 nectarines

12 oranges = 36 total fruits

P(green apple then nectarine)

8/36 x 5/36 = 4/18 x 5/36 = 2/9 x 5/36 = 10/324 = <u>5/162</u>

<u></u>

P (two oranges)

12/36 x 12/36 = 1/3 x 1/3 =<u> 1/9</u>

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Simplify the given exponential expression.
Andrews [41]
The rule for multiplying similar bases with exponents is:

(a^b)*(a^c)=a^(b+c)

In this case you have:

(x^9)(x^2)

x^(9+2)

x^11
6 0
3 years ago
Read 2 more answers
1)cot a/2 -tan a/2 = 2 cot a<br>2) cot b/2 + tan b/2= 2 cosec b<br> prove​
VladimirAG [237]
1)

LHS = cot(a/2) - tan(a/2)

= (1 - tan^2(a/2))/tan(a/2)

= (2-sec^2(a/2))/tan(a/2)

= 2cot(a/2) - cosec(a/2)sec(a/2)

= 2(1+cos(a))/sin(a) - 1/(cos(a/2)sin(a/2))

= 2 (1+cos(a))/sin(a) - 2/sin(a)) (product to sums)

= 2[(1+cos(a) -1)/sin(a)]

=2cot a

= RHS

2.

LHS = cot(b/2) + tan(b/2)

= [1 + tan^2(b/2)]/tan(b/2)

= sec^2(b/2)/tan(b/2)

= 1/sin(b/2)cos(b/2)

using product to sums

= 2/sin(b)

= 2cosec(b)

= RHS
8 0
3 years ago
Please help me with correct answer
BaLLatris [955]
D. -15

All I did was plug the numbers in
4 0
3 years ago
Can someone help me out how to work on this.
enyata [817]

Answer:

I don't think any are a correct graph of the function. But here are the ordered pairs. (1,0),(0,-2),(-1,-4)

Step-by-step explanation:

Take three values for x and plug them in for your y's. For instance x values of 1,0,-1. Plug each in to find the y value. 2(1) - 2 =y so (1,0)

3 0
3 years ago
Read 2 more answers
Worth 20 points
sladkih [1.3K]
D(X+2)(2X+1) This is your answer. 

3 0
3 years ago
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