2 years ago

Help please. Due today

Mathematics

1 answer:

netineya [11]2 years ago

5 0

Answer: 99/42 simplfy which is 14/33

Step-by-step explanation: 6x1=6+5=11 so 11 over 6 7x1=7+2=9 so 9 over 7

11 over 6 x 9 over7

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A magnitude 6.7 earthquake struck the SanFernando valley region of Los Angeles in 1994, causing widespread damage. Suppose anoth

madam [21]

Answer: 2.308 .

Step-by-step explanation:

Let X denotes the number of earthquakes in SanFernando valley region of Los Angeles in 1994.

Given: $\mu=17.6$

Probability is 0.87 that there will be at least 15 earthquakes .

i.e. $P(X\geq15)=0.87$

$\Rightarrow\ P(\dfrac{X-\mu}{\sigma}\geq\dfrac{15-17.6}{\sigma})=0.87\\\\ \Rightarrow\ P(Z\geq\dfrac{-2.6}{\sigma})=0.87\ \ \ [Z=\dfrac{X-\mu}{\sigma}]$

Z-value corresponding to p-value 0.87 is -1.1263 .

So, $\dfrac{-2.6}{\sigma}=-1.1263$

$\sigma= \dfrac{-2.6}{-1.1263}\approx2.308$

Hence, the required standard deviation = 2.308 .

4 0

2 years ago

What is LCM of 24,30,36?<br> in a long method

EleoNora [17]

we have 24= 2^3 x 3 ; 30=2 x 3 x 5 ; 36= 2^2 x 3^2

so lcm of 24, 30, 36 is 2^3 x 5 x 3^2 =360

ok done. Thank to me :>

7 0

2 years ago

LEGF6 U] If you want to get information on how to become a forest ranger, you should write a

Gnoma [55]

A) letter of inquiry

7 0

3 years ago

ABD and DBC are complementary angles 43 what is the measure of x

Reptile [31]

The value of x is 60

<h3>How to determine the value of x?</h3>

The complete question is added as an image

From the image, we have:

ABD = 30

DBC = x

The sum of complementary angles is 90.

So, we have:

30 + x = 90

Subtract 30 from both sides

x = 60

Hence, the value of x is 60

Read more about complementary angles at:

brainly.com/question/16281260

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7 0

1 year ago

What is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the point (−4,

Stells [14]

Writing it in perpendicular form is easy as 1, 2, 3.

First you should put it in y = mx + b Form (Slope intercept)

#1: y = x + 7

Simply flip the reciprocals

#2: y = -x + 7

7 0

2 years ago