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2 years ago

Make d the subject of this formula H=d/3+2

Mathematics

2 answers:

sammy [17]2 years ago

6 0

$h = \frac{d}{3 + 2} \\ h = \frac{d}{5} \\ h \times 5 = d \\ 5h = d \\ d = 5h$

Effectus [21]2 years ago

4 0

Answer:

d= 3(h-2). hope you like it.

Step-by-step explanation:

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For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hi

larisa [96]

Answer: a) $(0.99)^4$

Step-by-step explanation:

Given : For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank.

Each of the four systems detects theft with a probability of .99 independently of the others .

Probability for independent events $(E_1 , E_2 , E_3 , ....., E_n)$ occurs together = $P(E_1)\times P(E_2)\times P(E_3)\ .....\times P(E_n)$ .

Then, the probability that when a theft occurs, all four systems will detect it

= (0.99) x (0.99) x (0.99) x (0.99)

$= (0.99)^4$

Hence, the probability that when a theft occurs, all four systems will detect it is $(0.99)^4$ .

Hence, the correct answer is a) $(0.99)^4$ .

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2 years ago

alukav5142 [94]

Most appropriate answer is
D. Histogram

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3 years ago

Read 2 more answers

Given a right triangle with legs a, b and hypotenuse c, solve for b if a= 72 and c= 75

kotykmax [81]

Answer:

The answer is a. 21.

Step-by-step explanation:

We solve this question by using Pythagoras theorem to relate the sides of a right angled triangle.

Here,

Hypotenuse of the given triangle(c)=75

Two sides of right angled triangle are:

a=72

b=?

Then,

for a given right angled triangle abc,

Using Pythagoras theorem,

$c=\sqrt{a^{2} +b^{2} }$

Squaring on both sides,

$c^{2} =a^{2}+b^{2}$

or, $75^{2}=72^{2}+b^{2}$

or, $b^{2}=75^{2}-72^{2}$

or, $b^{2}=5625- 5184$

or, $b^{2} =441$

∴ $b=21$

So, the value of b is obtained to 21 by the use of Pythagoras theorem.

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3 years ago

Derrick has $4 to play video games at the mall each game cost a quarter to play. What’s the total number of games he can play

Alborosie

Derrick can play 16 games in total.

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2 years ago

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A cosine function has a period of 4, a maximum value of 20, and a minimum value of 0. The function is not a reflection of its pa

Readme [11.4K]

Answer:

the third one

Step-by-step explanation:

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2 years ago