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Margaret [11]
3 years ago
10

if there are 8 chocolate chip cookies out of 20 total cookies in a jar what is the probability that you will randomly choose a c

hocolate chip cookie?
Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0
Since there are 8 cookies out of 20 cookies, the probability of randomly choosing a chocolate chip cookie would be 8 out of 10, or 8/10 if you prefer fractions.

However, the fraction 8/10 can still be simplified. Divide the numerator and denominator by 2 to get 4/5.

4/5 --> 4 divided by 5 = 0.8

So the answer is 4/5 or 0.8.
Andrews [41]3 years ago
4 0

Answer:

Step-by-step explanation:

The answer is 2/5 40% or 0.4

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How to do this and I need help pls
tatuchka [14]

Answer:

9

Step-by-step explanation:

f(x) = (x - 2)^{2}  \\ f(5) = (5 - 2)^{2}  \\ f(5) =  {(3)}^{2} \\ f(5) = 3 \times 3 \\ f(5) = 9

7 0
3 years ago
A. 42<br> b. 27<br> c. 12<br> d. 18
hodyreva [135]
The answer is B simple
7 0
2 years ago
6n+3=2 use a table ....
kvasek [131]
You - 3 from 2 then do 6n=-1
6 0
3 years ago
Find z 1 ÷ z 2 for z 1 = 9(cos225° + isin225°) and z 2 = 3(cos45° + isin45°).
olga nikolaevna [1]

\bf \qquad \textit{division of two complex numbers} \\\\ \cfrac{r_1[cos(\alpha)+isin(\alpha)]}{r_2[cos(\beta)+isin(\beta)]}\implies \cfrac{r_1}{r_2}[cos(\alpha - \beta)+isin(\alpha - \beta)] \\\\[-0.35em] \rule{34em}{0.25pt}

\bf \begin{cases} z1=9[cos(225^o)+i~sin(225^o)]\\\\ z2=3[cos(45^o)+i~sin(45^o)] \end{cases}\implies \cfrac{z1}{z2}\implies \cfrac{9[cos(225^o)+i~sin(225^o)]}{3[cos(45^o)+i~sin(45^o)]} \\\\\\ \cfrac{9}{3}[cos(225^o-45^o)+isin(225^o-45^o)]\implies 3[cos(180^o)+i~sin(180^o)] \\\\\\ 3[(-1)+i~(0)]\implies -3+0i

8 0
3 years ago
Read 2 more answers
A member has a monthly membership for $480 per month. They also have a 25% discount on top of the monthly price and have paid fo
QveST [7]

Answer:

$72

Step-by-step explanation:

For the first month, they got a 25% discount, aka $120 off. Now that it's changed to 40%, you need to find how much 40% of $480 is.

480 x .4 = 192

40% of $480 is $192. The next step is to find the difference between $192 and $120.

192 - 120 = 72

Therefore, you need to give them of refund of $72.

8 0
2 years ago
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