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3 years ago

I need to know 4 I really don't understand I really need help please.

Mathematics

1 answer:

Effectus [21]3 years ago

5 0

Answer is A. Because out kidneys and lungs pump bloo Im poitive

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Simplify completely quantity 2 x minus 24 over 8.

mihalych1998 [28]

(2x-24)/8
the only way to simplify it is divide every number by 2
(x-12)/4=(1/4)x-3

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3 years ago

Read 2 more answers

Simplify: 5a + 1r + 2a + 4r

Marina CMI [18]

Answer:

7a+5r

Step-by-step explanation:

5a + 1r + 2a + 4r

add like terms

7a+5r

hope that helps

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Solve the proportional equation below 6/2=(v-8)/(v-3)

goldfiish [28.3K]

½ = v; multiply the divisor to remove the variable from the denominator.

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3 years ago

Given the conditional statement:

pogonyaev

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3 years ago

A study of 12,000 able-bodied male students at the University of Illinois found that their times for the mile run were approxima

den301095 [7]

Answer:

$P (y < 6) = \frac{P(y- \mu)}{\sigma} \mu}{\sigma} \\\\=P(z$

Therefore the probability that a randomly selected student has time for mile run is less than 6 minute is 0.0618

Step-by-step explanation:

Normal with mean 6.88 minutes and

a standard deviation of 0.57 minutes.

Choose a student at random from this group and call his time for the mile Y. Find P(Y<6)

$\mu = 6.88$

$\sigma = 0.57$

y ≈ normal (μ, σ)

The z score is the value decreased by the mean divided by the standard deviation

$P (y < 6) = \frac{P(y- \mu)}{\sigma} \mu}{\sigma} \\\\=P(z$

Therefore the probability that a randomly selected student has time for mile run is less than 6 minute is 0.0618

3 0

3 years ago