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Genrish500 [490]
2 years ago
15

Express 8mm as a percentage of 4mm​

Mathematics
2 answers:
Hunter-Best [27]2 years ago
6 0
200% because 8 over 4 is 2 and 2 times 100 is 200%
tatyana61 [14]2 years ago
3 0
Answer:
200%

Explanation:
8/4*100=?
8/4=2
2*100=200%
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What is the range of the following exponential function?plz help asap
IrinaVladis [17]

Answer:

0.23

Step-by-step explanation:

5 0
2 years ago
Sociology graduates, upon entering the workforce are normally distributed and earn a mean salary of $30,000 with a standard devi
GrogVix [38]

Answer:

0.62% probability that randomly chosen salary exceeds $40,000

Step-by-step explanation:

Problems of normally distributed distributions are 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.

In this question:

\mu = 30000, \sigma = 4000

What is the probability that randomly chosen salary exceeds $40,000

This is 1 subtracted by the pvalue of Z when X = 40000. So

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

Z = \frac{40000 - 30000}{4000}

Z = 2.5

Z = 2.5 has a pvalue of 0.9938

1 - 0.9938 = 0.0062

0.62% probability that randomly chosen salary exceeds $40,000

7 0
2 years ago
PLZZ HELPP FIRST ANSWER THATS CORRECT GETS BRAINLIEST
Aleksandr-060686 [28]
Alright, so the sum of two days is going to equal zero.
The variable here is what Jesse got on the first day. Let's call it "x".
x-6=0
x is the first day's score, -6 is the second day's score, and the total score is zero.
Now, add 6 to both sides.
x-6=0
+6   +6
x=6
Jesse's score for the first day was (+)6.
5 0
3 years ago
Differentiate. <br><br> y = ln(t)/t²
azamat
Remember

the deritivive of f(x)/g(x)=(f'(x)g(x)-g'(x)f(x))/((g(x))^2)

deritivive of lnx is 1/x
derivitive of t^2=2t

so

\frac{(1/t)t^2-2tlnt}{(t^2)^2}=
\frac{t-2tlnt}{t^4}=
\frac{1-2ln(t)}{t^3}
6 0
3 years ago
If ∠Q = 47°,
yuradex [85]
∠Q = ∠R = 47°

answer
<span>∠R

------------------------</span>
8 0
3 years ago
Read 2 more answers
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