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4 years ago

6

The tree diagram represents an experiment consisting of two trials.

1 answer:

goldenfox [79]4 years ago

5 0

Answer:

.26

Step-by-step explanation:

P(C) = .6*.3 + .4 *.2

= .18+.08

= .26

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How can you check the reasonableness of your solution

storchak [24]

You would basically go back and trace all your steps, that's what I do. And if your answer seems reasonable then you have the right answer but if your work doesn't match the answer than you've messed up. I hope I helped if I did like my answer and comment down below thx

6 0

4 years ago

the equation shows the relationship between x and y: y = −7x 9 what is the slope of the equation? −7 −2 7 9

NNADVOKAT [17]

Slope intercept form
y = mx+b
y = -7x + 9
m = -7

8 0

3 years ago

show your work please and thank you. would rlly apperciate some help bc lately on thius app i havent got no help.

yan [13]

Answer: k=54/79

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

Step 2: Subtract 16/3k from both sides.

Step 3: Subtract 5/2 from both sides.

Step 4: Multiply both sides by 12/(-79).

See attachment for further explanation

3 0

3 years ago

I'm blanking on how to do this, I learned it so long ago, any help would be greatly appreciated. More interested on how to do it

anyanavicka [17]

Answer:

$\dfrac{16 y^{22}}{x^{10}z^{10}}$

Step-by-step explanation:

Given expression is ,

$\sf\longrightarrow \bigg(\dfrac{2x^3y^{-5}z^8}{8x^{-2}y^6z^3}\bigg)^{-2}$

This would be simplified using the law of exponents , some of which I will use here are ,

$(an)^m = a^m n^m$
$\dfrac{a^m}{a^n}=a^{m-n}$

$a^m a^n = a^{m+n}$
$a^{-n} = \dfrac{1}{a^n}$

Using the above laws ,

$\sf \longrightarrow \bigg[ \dfrac{2}{8} \bigg(\dfrac{x^3}{x^{-2}}\bigg)\bigg(\dfrac{y^{-5}}{y^6}\bigg)\bigg(\dfrac{z^8}{z^3}\bigg) \bigg]^{-2}$

Using the second law mentioned above , we have,

$\sf \longrightarrow \bigg[ \dfrac{1}{4}(x^{3+2})(y^{-5-6})(z^{8-3})\bigg]^{-2}$

Simplify ,

$\sf \longrightarrow \bigg[\dfrac{1}{4} x^5y^{-11}z^5\bigg]^{-2}$

Using the first law mentioned above , we have,

$\sf \longrightarrow \bigg[ \dfrac{1}{4^{-2}} x^{5(-2)} y^{-11(-2)} z^{5(-2)}\bigg]$

Simplify,

$\sf \longrightarrow 4^2x^{-10}y^{22} z^{-10}$

Finally using the fourth law mentioned above , we have ,

$\sf \longrightarrow \boxed{\bf \dfrac{16 y^{22}}{x^{10}z^{10}}}$

<h3>Option K is the correct answer.</h3>

4 0

2 years ago

During bowling practice, Marley rolled 14 strikes out of 70 attempts. what percent of Marleys attempt were strikes?

Roman55 [17]

Answer:

20%

Step-by-step explanation:

14/70 = 0.2

0.2 x 100= 20

3 0

3 years ago

Read 2 more answers