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3 years ago

9

What is the minimum possible value of this decimal? Use words, pictures, or numbers to explain your reasoning.

1 answer:

quester [9]3 years ago

4 0

Answer:

if 2.4 is there it will become -2. 4

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Find the inverse function for f(x)=square root 2x-6

ehidna [41]

The roots are-4 and 7y=x² - 3x - 28<span>The roots are
-9 and 2</span>x² = 18 - 7xThe roots are-4,and 2y = x² + 2x -8The roots are-8 and 10x² - 2x - 6 = 74<span>The roots are
-15 and-1</span>x² + 15 = - 16xThe roots are-5 and 9y=x² - 4x - 45<span>The roots are
4 and 14</span>x² - x + 56 = 17x<span>The roots are
2 and 27</span>x² - 29x = - 54

7 0

4 years ago

The weight of male american between the ages 18 to 25 is normally distributed, with mean of 162.7 lb and a standard deviation of

MArishka [77]

Answer:

218.7 lb.

Step-by-step explanation:

We have been given that the weight of male american between the ages 18 to 25 is normally distributed, with mean of 162.7 lb and a standard deviation of 28 lb.

One definition of obesity states that a person is obese if the z-score of his or her weight is greater than 2.

We will use z-score formula to solve our given problem.

$z=\frac{x-\mu}{\sigma}$ , where,

$z=\text{ z-score}$ ,

$x=\text{ Random sample-score}$ ,

$\mu=\text{ Mean}$ ,

$\sigma=\text{ Standard deviation}$ .

Upon substituting our given values in z-score formula we will get,

$2=\frac{x-162.7}{28}$

Now let us solve for x.

Upon multiplying both sides of our equation by 28 we will get,

$2*28=\frac{x-162.7}{28}*28$

$56=x-162.7$

Let us add 162.7 to both sides of our equation.

$56+162.7=x-162.7+162.7$

$218.7=x$

Therefore, the obesity threshold weight for a young adult American male is 218.7 pounds.

6 0

3 years ago

Read 2 more answers

you are buying a new printer and a new scanner for your computer and you cannot spend over $150. The printer you want costs $80.

ira [324]

It is given in the question that

You are buying a new printer and a new scanner for your computer and you cannot spend over $150. The printer you want costs $80.

Let the price of scanner be $ x .

So we have

$x+ 80\leq 150$

Subtracting 80 from both sides

$x\leq 70$

It means , the price should be not more then $70 .

Therefore in case, the price of scanner is $75, then you will not remain within your budget .

6 0

3 years ago

The pizza store is having a 30% off sale on all of its pizzas. If the pizza you want

ZanzabumX [31]

The answer would be 4.2

8 0

3 years ago

The function h(t)=−16t(t−7) models the height of an object at any time t after it is launched, where t is measured in seconds. A

Kipish [7]

Answer:

2.65secs

Step-by-step explanation:

Give:

The function h(t)=−16t(t−7) models

the object will hit the ground at h= 0

h(t)=−16t(t−7)

0= -16t(t−7)

0= -16t^2 + 112

16t^2 = 112

t^2 = 7

t= √7

t=2.65secs

Hence, the object object hit the ground at 2.65secs

7 0

3 years ago