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Fudgin [204]
2 years ago
12

Can I have help on this?

Mathematics
1 answer:
xenn [34]2 years ago
3 0
3 is the answer… . . . . .. . . . .
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Two numbers are in the ratio 3:2. If the smaller number is 24, find the larger number
Daniel [21]
3:2
3x - first number
2x - second number

2x = 24 / : 2
x = 12

3*12 = 36

answer: the larger number is 36.

5 0
4 years ago
Read 2 more answers
Kyle swims a 1/2 mile every 1/4 hour. How far will he swim in one hour?
murzikaleks [220]

Answer:

2 miles per hour

Step-by-step explanation:

She miles 1/2 mile every 15 minutes or 1/4 hours so

1/2*4=2 miles per hour

7 0
3 years ago
You are the coach of a basketball team that is currently looking for new players. One of the criteria for selection as a player
Sedaia [141]

Answer:

C = 75 in

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Assume that the height of all people follows a normal distribution with a mean of 69 in and a standard deviation of 2.9 in.

This means that \mu = 69, \sigma = 2.9

Calculate the cut-off height (C) that ensures only people within the top 2.5% height bracket are allowed into the team.

This is the 100 - 2.5 = 97.5th percentile, which is X when Z has a pvalue of 0.975, so X when Z = 1.96.

Z = \frac{X - \mu}{\sigma}

1.96 = \frac{X - 69}{2.9}

X - 69 = 1.96*2.9

X = 74.7

Rounded to the nearest inch,

C = 75 in

3 0
3 years ago
(-9) to the 2nd power
yKpoI14uk [10]
81

(-9)(-9) is 81

Multiplying two negatives gives a positive
5 0
3 years ago
Read 2 more answers
What does 12−3/4(d+16)=−5 equal solve for d
Ratling [72]

Answer:

d=20/3 or 6.6 repeating

Step-by-step explanation:

Let's solve your equation step-by-step.

12−

3

4

(d+16)=−5

Step 1: Simplify both sides of the equation.

12−

3

4

(d+16)=−5

12+

−3

4

d+−12=−5(Distribute)

(

−3

4

d)+(12+−12)=−5(Combine Like Terms)

−3

4

d=−5

−3

4

d=−5Step 2: Multiply both sides by 4/(-3).

(

4

−3

)*(

−3

4

d)=(

4

−3

)*(−5)

d=

20

3

Answer:

d=

20

3

3 0
4 years ago
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