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3 years ago

Which expression is equivalent to ज Need help what is this!!!

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

4 0

Answer:

Step-by-step explanation:

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Maria can bake 28 cupcakes with 3 scoops of flour. How many cupcakes can she bake with 27 scoops of flour?

anygoal [31]

Use comparison
x/27 = 28/3
x = 28/3 × 27
x = 252

She can bake 252 cupcakes

7 0

3 years ago

If I triple four and subtract 2 each day how many days till I have zero

dangina [55]

Triple 4 is just 12
4X3=12
And so you can then divide by 2 because 2 each day(you could also just keep subtracting). Either way, you get 6 days

3 0

3 years ago

One student from a high school will be selected at random. Let A be the event that the selected student is a student athlete, an

kakasveta [241]

Answer:

0.32

Step-by-step explanation:

P(B|A) = P(A∩B) / P(A)

0.25 = 0.08 / P(A)

P(A) = 0.32

8 0

3 years ago

Read 2 more answers

The mean student loan debt for college graduates in Illinois is $30000 with a standard deviation of $9000. Suppose a random samp

Nataly [62]

Answer:

the probability that the mean student loan debt for these people is between $31000 and $33000 is 0.1331

Step-by-step explanation:

Given that:

Mean = 30000

Standard deviation = 9000

sample size = 100

The probability that the mean student loan debt for these people is between $31000 and $33000 can be computed as:

$P(31000 < X < 33000) = P( X \leq 33000) - P (X \leq 31000)$

$P(31000 < X < 33000) = P( \dfrac{X - 30000}{\dfrac{\sigma}{\sqrt{n}}} \leq \dfrac{33000 - 30000}{\dfrac{9000}{\sqrt{100}}} )- P( \dfrac{X - 30000}{\dfrac{\sigma}{\sqrt{n}}} \leq \dfrac{31000 - 30000}{\dfrac{9000}{\sqrt{100}}} )$

$P(31000 < X < 33000) = P( Z \leq \dfrac{33000 - 30000}{\dfrac{9000}{\sqrt{100}}} )- P(Z \leq \dfrac{31000 - 30000}{\dfrac{9000}{\sqrt{100}}} )$

$P(31000 < X < 33000) = P( Z \leq \dfrac{3000}{\dfrac{9000}{10}}}) -P(Z \leq \dfrac{1000}{\dfrac{9000}{10}}})$

$P(31000 < X < 33000) = P( Z \leq 3.33)-P(Z \leq 1.11})$

From Z tables:

$P(31000 < X$

Therefore; the probability that the mean student loan debt for these people is between $31000 and $33000 is 0.1331

8 0

3 years ago

Use the graph to write a linear function that relates y to x

Alla [95]

81- answer is ok but im not suree

3 0

2 years ago