A submarine is at 756 feet.How many feet will it need to rise to be at the suface

Answers

Answer 1

Answer: It needs to rise 756 feet...

0 is at the surface.... The submarine is 756 feet down. So, to get to the surface it needs to go up 756 to reach 0.

Answer 2

Answer: Its simple intigers its -756 so to go to 0 witch is surface it needs to add or rise 756 to rise to surface

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Solve In 2 + In x= 5. Round to the nearest thousandth, if necessary.

Answers

The value of x nearest to thousandths is 74.207

Solution:

Given that,

$\text{ln } 2 + \text{ln } x = 5$ ------ eqn 1

We can use logarithmic properties to solve for "x"

Using logarithmic properties:

$\ln (mn) = \ln m + \ln n$

Therefore, apply the above property in eqn 1

$\text{ln } 2 + \text{ln } x = 5\n\n\text{ln } 2x = 5$

By using the logarithmic property,

$\text{If } \ln x = a , \text{ then } x = e^a$

Apply the above logarithmic property in above expression

$\text{ln } 2x = 5\n\n2x = e^5$

Solve the above equation

We know that,

$e^5 = 148.413159103$

[ use calculator ]

Therefore,

$2x = 148.413159103\n\nx = (148.413159103)/(2)\n\nx = 74.2065795513\n\nx \approx 74.207$

Therefore, the value of x nearest to thousandths is 74.207

How can fact families and multiplication facts help you divide

Answers

Divison is the opposite of Multiplication. Example: 6/3=2 2*3=6 . The product would be the dividen is the situation

Because multipacation abd division are inverse operations.

The sum of a positive number and its square is 20. find the number.

Answers

so x+x^2=20
subtract 20 from both sdies
x^2+x-20=0
factor
find what 2 nmbers multiply to get -20 and add to get 1

factors of 20=2 times 2 times 5
the combos are
2 times 10
4 times 5
1 times 20

4 and 5 are 1 in diference
5-4=1
5 times 4=20

(x-4)(x+5)=0
if xy=0 then x and/or y=0
set each to zero
x-4=0
add 4
x=4

x+5=0
subtract 5
x=-5
but you want positive so this is an extranius answer so discard this

the number is 4

the answer is 4

4 + 16 = 20

Calculator158°
120°
126
.
What is the value of x?
Enter your answer in the box

Answers

Answer:

Here it is

Step-by-step explanation:

Answer:

is their more to this ?

Step-by-step explanation:

because it could be like X+70=140 what x was there anything like that ?

Write an equation for the relationship shown on this graph if the price per ticket is doubled.(1,2), (2,4), (5,10), (8,16)

Answers

easy
so if x is input
y is output
(x,y)
y=2 times x or y=2x

answe ri sy=2x

How long will jesse take to run a total of 50 miles if she run 0.13 per hour

Answers

Jesse runs 0.13 miles per one hour.
She wants to run a total of 50 miles.

0.13 miles .... 1 hour
50 miles ... x hours

We would like to know how long this will take (x hours). You can calculate this in the following way:
0.13 * x = 50 * 1 /0.13
x = 50/0.13
x = 384.6153846153846154 (hours)

The result is 384.6153846153846154 hours.

384.61538462 hours is the answer.

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