3 years ago

Find measure angle B

Mathematics

1 answer:

Viktor [21]3 years ago

5 0

Answer: 4

Step-by-step explanation:

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Circled step where the error has occurred explain why it's an error.

olga_2 [115]

The error is not there. The error is step 4. -34 becomes positive so it is not -51 it's 17. So the answer is 40/17

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3 years ago

Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per

Kazeer [188]

Answer:

933

Step-by-step explanation:

female : male

x : 1000

x : 4000

1000 x 4 = 4000

3732 : 4000

3732 ÷ 4 = 933

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3 years ago

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If x has a continuous uniform distribution on the interval (0,5), what is the 25th percentile for x?

Natasha_Volkova [10]

Given that $X\sim\mathrm{Unif}(0,5)$ , it has PDF

$f_X(x)=\begin{cases}\dfrac15&\text{for }0\le x\l5\\\\0&\text{otherwise}\end{cases}$

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$F_X(x)=\mathbb P(X\le x)=\begin{cases}0&\text{for }x$

The 25th percentile is the value $X=k$ such that $\mathbb P(X\le k)=0.25$ . We have

$\mathbb P(X\le k)=\dfrac k5=0.25\implies k=1.25$

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3 years ago

I need help on this question plz

vova2212 [387]

Six has 6 tally marks and thus a count of 6, which is the most.

Answer: 6

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<img src="https://tex.z-dn.net/?f=b%20%2B%20%5Csqrt%7Bb%7D%20%5C%3A%20%5C%3A%20%5C%3A%20%5C%3A%20-%2012" id="TexFormula1" title=

insens350 [35]

So this is the fully factorized answer