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3 years ago

Nina uses 1 cup of flour in her recipe to make 30 cookies. If Nina uses 4 cups of flour, how many cookies can she make?

Mathematics

2 answers:

ale4655 [162]3 years ago

4 0

120! if one cup equals 30 then 4 cups times 30 is 120!

grandymaker [24]3 years ago

4 0

if 1 cup of flour =30 cookies the you do 4 x 30 to get your answer which is 120 hope this helps plz name me brainliest

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Find the indicated probability.

natka813 [3]

Answer:

C) 0.179

Step-by-step explanation:

Since the trials are independent, this is a binomial distribution:

Recall:

Binomial Distribution --> $P(k)={n\choose k}p^kq^{n-k}$
$P(k)$ denotes the probability of $k$ successes in $n$ independent trials
$p^k$ denotes the probability of success on each of $k$ trials
$q^{n-k}$ denotes the probability of failure on the remaining $n-k$ trials
${n\choose k}=\frac{n!}{(n-k)!k!}$ denotes all possible ways to choose $k$ things out of $n$ things

Given:

$n=10$
$k=4$
$p^k=0.53^4$
$q^{n-k}=(1-0.53)^{10-4}=0.47^6$
${n\choose k}={10\choose 4}=\frac{10!}{(10-4)!4!}=210$

Calculate:

$P(4)=(210)(0.53^4)(0.47^6)=0.1786117069\approx0.179$

Therefore, the probability that the archer will get exactly 4 bull's-eyes with 10 arrows in any order is 0.179

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2 years ago

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3 years ago

Which function below is the inverse of f(x)= 3x+5/7

Ipatiy [6.2K]

Inverse
replace f(x) wih y
solve for x
replace x with f⁻¹(x) and y with x

so

f(x)=3x+5/7
replace
y=3x+5/7
solve for x
minnus 5/7 both sides
y-5/7=3x
divide both sides by 3
$\frac{y- \frac{5}{7} }{3}$ =x
replace with f⁻¹(x)

f⁻¹(x)= $\frac{y- \frac{5}{7} }{3}$

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3 years ago

Read 2 more answers

My question is what's <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%7D%7B5%7D%20%20%3D%20%20%5Cfrac%7B2%7D%7B2.5%7D%20

Reptile [31]

Hi, I'd be glad to help you with this equation.

The answer is (x = 4)

Hope this helps.
Have a great day!

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4 years ago

The roof leading to the top of a hill has an angle of elevation of 23 degrees. The hill is 120 feet high what is the leanth of t

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