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MA_775_DIABLO [31]
3 years ago
6

A water well drilling rig has dug to a height of -15 feet in three hours. If the rig has been running constantly and is currentl

y at a height of -192.5 feet, for how long has the rig been running?
22.25 hours

97.4 hours

38.5 hours

12.8 hours
Mathematics
2 answers:
Svet_ta [14]3 years ago
7 0

Answer: I think its A If you do the math corrcetly

Step-by-step explanation:

Ilia_Sergeevich [38]3 years ago
6 0
A. 22.25 i think it’s a because it you do your math correctly it was give you A
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I need help with 3 problems of Properties of Signed Numbers somebody please help me
Shalnov [3]
1. 2/3 - (1/4)*(4/9)
     2/3-4/36
     24/36-4/36
     20/36 also same as 4/9 (D)


2. It's B. (-3*(2*7)=(-3*2)*7

3. -4+(-6)*(-3)
     -4+18
      -14 (b)


7 0
3 years ago
HURRY !!!!!!!!!! Which choices correctly describe reflections in the diagram? Check all that apply. On a coordinate plane, trian
defon

Answer:

The correct choices are B, C, and D

Step-by-step explanation:

I took the test on Edge 2020

3 0
3 years ago
Read 2 more answers
If 2n + 3(2- 2n) = 14 what is the value of n? (Please give the correct answer, I will give brainliest)
allochka39001 [22]

Answer:

  n = -2

Step-by-step explanation:

Eliminating parentheses, you have ...

  2n +6 -6n = 14

Combining terms and subtracting 6, you get ...

  -4n = 8

Dividing by the coefficient of n gives ...

  n = -2

_____

<em><u>Check</u></em>

  2(-2) +3(2 -2(-2)) = 14

  -4 +3(2+4) = 14

  -4 +3(6) = 14

  -4 +18 = 14 . . . . answer checks OK

5 0
3 years ago
Which expressions can you use to find 75% of 56? Check all that apply.
alisha [4.7K]
Your answer would be B and C
7 0
3 years ago
Read 2 more answers
Find all pairs of prime numbers (a,b) such that a^b✖️b^a+1 is prime
Alenkasestr [34]

The pairs of prime numbers (a,b) between 1 and 10 inclusive such that a^b * b^a+1 is prime are

<h3>How to determine the pairs of numbers?</h3>

The expression that is a prime number is given as:

a^b * b^a + 1

The boundary or range of numbers of a and b is not given.

So, we make use of numbers between 1 and 10

i.e. 1 ≤ a ≤ 10 and 1 ≤ b ≤ 10

Using the above range, we have the following program to determine the pairs of prime numbers (a, b).

for a in range(1,11):

   for b in range(1,11):

       num = (a* *b) * (b* *a) + 1

       flg = False

       if num > 1:

           for i in ra nge(2, num):

               if (num % i) == 0:

                   flg = True

                   break

       if not flg:

           print(str(a)+","+str(b))

The output of the above program is:

(1,1), (1,2), (1,4), (1,6), (1,10), (2,1), (2,2), (2,3), (2,4), (3,2), (4,1), (4,2), (4,4) and (4,6)

The above represent all pairs of prime numbers (a,b) such that a^b * b^a+1 is prime

Read more about prime numbers at:

brainly.com/question/25710806

#SPJ1

5 0
2 years ago
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