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4 years ago

What is right and wrong???

Mathematics

2 answers:

Romashka [77]4 years ago

6 0

What? Sorry what’s the question?

Evgen [1.6K]4 years ago

6 0

Answer:

I believe the answers are all correct because i had just did the exact same thing and i got ti right.

Please consider giving me Brainliest

darrylh3333

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For each relation, decide whether or not it is a function<br>

Digiron [165]

Answer:

Relation 1,2,and 4 are functions, but relation 3 not is a function.

Step-by-step explanation:

function 1 input, no function with the same input like m in relation 3.

5 0

3 years ago

According to records in a large hospital, the birth weights of newborns have a symmetric and bell-shaped relative frequency dist

Kamila [148]

Answer:

15.9% of babies are born with birth weight under 6.3 pounds.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 6.8 pounds

Standard Deviation, σ = 0.5

We are given that the distribution of birth weights is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(birth weight under 6.3 pounds)

P(x < 6.3)

$P( x < 6.3) = P( z < \displaystyle\frac{6.3 - 6.8}{0.5}) = P(z < -1)$

Calculation the value from standard normal z table, we have,

$P(x < -1) = 0.159 = 15.9\%$

15.9% of babies are born with birth weight under 6.3 pounds.

8 0

3 years ago

W/11+10=10 w/11=0. W=

alexdok [17]

Answer:

w/11+10=10w/11=0•w=10

6 0

3 years ago

A pair of jeans is on sale for 25% off the original price. Which expression represents the sale price? If the original price of

Sholpan [36]

25% off
so that is the original price minus 25% of the original price or p-0.25p

so we do
p-0.25p
40-0.25(40)
40-10
30

that is the first option

4 0

3 years ago

Find the inverse of f(x)= 2x/(5x+6)

FromTheMoon [43]

Answer:

$f(x) = \frac{2x}{5y+6}$

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers