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3 years ago

9

a ssuba driver swam 96 feet beneath the surface of the lake he then climbs up 49 feet what is his depth now

2 answers:

Ludmilka [50]3 years ago

5 0

The scuba diver is now 47 feet under the surface.

Tju [1.3M]3 years ago

5 0

Answer:47 feet

Step-by-step explanation:

Scuba diver initially swam to 96 feet below surface of lake

also he climbed 49 feet so in totally he is at a depth of

=96-49

=47 feet

Hence he is at a depth of 47 feet from the surface of lake

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The formula s= sqrt SA/6

ikadub [295]

For this case we have the following equation:
s = root (S.A / 6)
Substituting values we have:
For S.A = 180:
s = root (180/6)
s = root (30)
For S.A = 120:
s = root (120/6)
s = root (20)
s = root (4 * 5)
s = 2 * root (5)
Subtracting both values we have:
root (30) - 2 * root (5)
Answer:
root (30) - 2 * root (5)
option 2

3 0

3 years ago

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slamgirl [31]

Answer:

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Explanation:

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7 0

3 years ago

If 139 is added to a number, the result is 44 less than four times the number. Find the number. Step 1 of 2: Use the variable x

lorasvet [3.4K]

Answer:

73

Step-by-step explanation:

let the number = X

If 139 is added, it becomes= X +139

the result becomes 44less than four time the number

= 4(39)-44 = 156-44 =112

the set up equation becomes

X +39 = 112

solving for the value of X

X = 112-39

X = 73

4 0

1 year ago

Find the smallest positive integer solution to the following system of congruences: x = 0 (mod 5) x = 8 (mod 11) The solution is

igomit [66]

Answer:

The smallest positive integer solution to the given system of congruences is 30.

Step-by-step explanation:

The given system of congruences is

$x=0(mod5)$

$x=8(mod11)$

where, m and n are positive integers.

It means, if the number divided by 5, then remainder is 0 and if the same number is divided by 11, then the remainder is 8. It can be defined as

$x=5m$

$x=11n+8$

$5m\cong 11n+8$

Now, we can say that m>n because m and n are positive integers.

For n=1,

$5m=11(1)+8=19$

$5m=19$

19 is not divisible by 5 so m is not an integer for n=1.

For n=2,

$5m=11(2)+8$

$5m=30$

$m=6$

The value of m is 6 and the value of n is 2. So the smallest positive integer solution to the given system of congruences is

$x=5(6)=30$

Therefore the smallest positive integer solution to the given system of congruences is 30.

8 0

3 years ago

Six less than 3/4 of a number is the same as the number. Find the number.

kap26 [50]

$x - 6 = \frac{3}{4} x \\ - 6 = \frac{ - 1}{4} x \\ x = 24$

5 0

3 years ago