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4 years ago

11

Give an examples of two equivalents ratio

1 answer:

kicyunya [14]4 years ago

3 0

Answer:

Some examples include: 1:2 and 2:4, 5:6 and 10:12, and 9:10 and 18:20.

Step-by-step explanation:

The latter of these examples are their first ratios, but multiplied by 2.

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TRIGONOMETRY , can you solve this plz:(<br>even if you know one of them,plz help:)

daser333 [38]

Answer:

See below

Step-by-step explanation:

$\frac{1}{1-cos A} - \frac{1}{1+cos A} =2 cosec A cot A \\ \\ L. H. S.= \frac{1}{1-cos A} - \frac{1}{1+cos A} \\ \\ = \frac{1+cos A - (1 - cos A)}{(1-cos A)(1+cos A)}\\ \\ = \frac{1+cos A - 1 + cos A}{1-cos^{2} A}\\ \\ = \frac{2cos A }{sin^{2} A}\\ \\ =2 .\frac{1}{sin A}.\frac{cos A }{sin A}.\\ \\ = 2.cosec \: A.cot \: A \\ \\ = R.H.S$

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3 years ago

Please help me, I really dont want to get an F :((( (The Graph Is In The Image)

AveGali [126]

Answer: correct answer is B

Step-by-step explanation: I know this because for example if you run one mile it will take you less time than it would if you walked 1 mile

7 0

3 years ago

41,373 rounded to the nearest thousand is

KengaRu [80]

Answer:

Step-by-step explanation:

41,000

6 0

3 years ago

Read 2 more answers

Use the power-reducing formulas to rewrite each of the expressions in terms of the first power of the cosine. Sin^4cos^4

Katen [24]

Answer:

1/128 * (3 - 4cos2x + cos4x)

Step-by-step explanation:

See attachment for steps

6 0

3 years ago

Find the probability of having 2,3, or 4 successes in five trials of a binomial experiment in which the probability of success i

Georgia [21]

Answer:

65.3%

Step-by-step explanation:

Binomial distribution PMF below (along with a description)

the probabilty of getting 2, 3, or 4 successes in 5 trials is just

p(2)+p(3)+p(4)

p(2)= 5C2*.4²*(1-.4)³ = .3456

p(3)= 5C3*.4³*(1-.4)²= .2304

p(4)= 5C4*.4⁴*(1-.4)=.0768

.3456+.2304+.0768= .6528

6 0

3 years ago