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Naily [24]
3 years ago
14

death valley has an elevation of -282 feet to relative to sea level.Explain how to use absolute value to describe the elevation

of death valley as a positive integer
Mathematics
1 answer:
Vanyuwa [196]3 years ago
5 0
Absolute value is the distance from a value to zero. In this case, it'd be written as   | -282 |. If x = | -282 |, then x = 282
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What is the distance from point (– 1, 3) to the line 3x – 4y = 10?​
natta225 [31]

Answer:

5 units

Step-by-step explanation:

The distance from a point (m, n ) to the line Ax + By + C = 0 is given by

d = \frac{|Am+Bn+C|}{\sqrt{A^2+B^2} }

For the point (- 1, 3 ) , with m = - 1 and n = 3

3x - 4y = 10 ( subtract 10 from both sides )

3x - 4y - 10 = 0

with A = 3 , B = - 4 , C = - 10

d = \frac{|3(-1)+(-4)3-10|}{\sqrt{3^2+(-4)^2} }

   = \frac{|-3-12-10|}{9+16}

   = \frac{|-25|}{\sqrt{25} }

    = \frac{25}{5}

     = 5

5 0
2 years ago
#26 need help please
erma4kov [3.2K]
They will have to buy all three items again in 9 years
6 0
3 years ago
Describe how to transform (5 square root x^7)^3
Serga [27]
(5 * sqrt(x^7))^3

Recall sqrt(x^2)=x

So we get (5*x^6 )^3

5*3 is 25, 6*3 is 18 (and exponent to an exponent multiplies)

Therefore the answer is 25x^18
7 0
3 years ago
Tell whether the two quantities vary directly. Explain your reasoning. The cafeteria provides three meals per day.
Dafna11 [192]

Answer:

The cafeteria provides three meals per day.

<u>Reason 1</u>

Yes, they vary directly  

As number of days increases ,Total number of meals i.e

1st day ⇒ 3

2nd day⇒6

3 rd day⇒9

4th day⇒12

......................

.........................

increases.

Total number of Meals = k×Number of days

But there is another possibility also

<u>Reason 2</u>

1 st day ⇒ 3

2nd day ⇒3

3rd day⇒ 3

.....................

.....................

As you can see from the above expression On each day number of meals is  

constant.

So we can say that ,

On each Day=Constant amount of meal=3

So, there is no Proportionality between Days and Meal.




3 0
3 years ago
What is the growth factor of y=70(2)^x
user100 [1]

Answer:

100% growth rate or it doubles

Step-by-step explanation:

This is of the form

y = ab^x

where a is the initial value and

b is the growth/decay factor

b>1 growth

b<1 decay

Since b>1 it is growth

We determine the growth rate by

b-1

2-1 =1

Multiply by 100%

1*100% = 100 % growth rate

3 0
3 years ago
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