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3 years ago

Find the distance between the two points rounding to the nearest tenth (if necessary).

Mathematics

1 answer:

4vir4ik [10]3 years ago

7 0

Answer:

need a picture hdhxhxhxhx

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What is the height of a triangle whose base is 8.6 centimeters and whose area is 79.12 square centimeters? round to the nearest

Nezavi [6.7K]

Answer:

height = 18.4 cm

Step-by-step explanation:

A = (1/2)*b*h

A = 79.12 sq. cm = (1/2)* 8.6 * h

A = 79.12 sq. cm = 4.3 * h

h = 79.12 / 4.3 = 18.4 cm

8 0

4 years ago

slader An electronics company is planning to introduce a new camera phone. The company commissions a marketing report for each n

inysia [295]

Answer: Our required probability is 0.7241.

Step-by-step explanation:

Since we have given that

Probability that new product have been successes P(S) = 60%

Probability that new product have not been successes P(F) = 40%

Probability that their successful products were predicted to be successes = P(A|S)=70%

Probability that their failed products were predicted to be successes =P(A|F) = 40%

So, Probability that this new camera phone will be successful if its success has been predicted is given by

$P(S|A)=\dfrac{P(S).P(A|S)}{P(S).P(A|S)+P(F).P(A|F)}\\\\P(S|A)=\dfrac{0.7\times 0.6}{0.7\times 0.6+0.4\times 0.4}\\\\P(S|A)=0.7241$

Hence, our required probability is 0.7241.

8 0

4 years ago

2<br>l6a - - 25b<br><img src="https://tex.z-dn.net/?f=%20%7B16a%7D%5E%7B2%7D%20%20-%20%20%7B25b%7D%5E%7B2%7D%20" id="TexFormula1

Kay [80]

Answer:

(a+5b)⋅(a−5b)

Step-by-step explanation:

6 0

3 years ago

PLEASE HELPPP, i don’t understand this please

iogann1982 [59]

Answer:

thats kind ur fault

Step-by-step explanation:

8 0

3 years ago

If sin theta=-1/4 and theta terminates in the third quadrant, find the exact value of sin2 theta.

DIA [1.3K]

Answer:

$sin(2\theta)=\frac{\sqrt{15}}{8}$

Step-by-step explanation:

We are given

$sin(\theta)=-\frac{1}{4}$

Firstly, we can draw triangle

angle lies in third quadrant

so, we get

$cos(\theta)=-\frac{\sqrt{15} }{4}$

now, we can use formula

$sin(2\theta)=2sin(\theta)\times cos(\theta)$

now, we can plug values

$sin(2\theta)=2\times -\frac{1}{4}\times -\frac{\sqrt{15} }{4}$

now, we can simplify it

and we get

$sin(2\theta)=\frac{\sqrt{15}}{8}$

7 0

4 years ago

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