2 years ago

Given m Please help me I’m in need!!

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

4 0

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1/1-cosA-1/1+cosA=2cotAxcosecA<br>

castortr0y [4]

Answer:

just apply the formulas then see dummy

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1 year ago

9. Which one is smaller? 40% or 1/4.

Sidana [21]

Answer:

1/4 is the answer

Step-by-step explanation:

1/4 is equal to 25% and 25% is less than 40%

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2 years ago

Read 2 more answers

Police records in the town of Saratoga show that 17 percent of the drivers stopped for speeding have invalid licenses. If 24 dri

Ymorist [56]

Answer:

Step-by-step explanation:

Given

17 % of the drivers stopped have invalid licenses

n=24 drivers are stopped

using Binomial distribution

$^nC_r(p)^r(q)^{n-r}$

here p=0.17

q=1-0.17=0.83

(a)none will have valid license i.e. r=0

$P(r=0)^{24}C_0(0.17)^0(0.83)^{24}=(0.83)^{24}=0.0114$

(b)Exactly one have invalid license i.e. r=1

$P(r=1)=^{24}C_1(0.17)^1(0.83)^{23}=24\times 0.17\times (0.83)^{23}$

$=0.0561$

(c)At least 2 will have invalid license i.e. $r\geq 2$

$P(r\geq 2)=1-P(r=0)-P(r=1)$

$P(r\geq 2)=1-0.0114-0.0561$

$P(r\geq 2)=0.932$

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2 years ago

I don't know which one is it.

lorasvet [3.4K]

The answer i think is A hope that help

7 0

3 years ago

Which value is needed to create a perfect square trinomial from the expression x^2+8x+___?

leonid [27]

${( \frac{b}{2}) }^{2} \\ ( { \frac{8}{2} )}^{2} \\ ( {4})^{2} \\ 16$

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3 years ago