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katrin [286]
3 years ago
13

B - 1/4 = 3 1/2 find the variable and explain how to got the answer please thanks

Mathematics
1 answer:
Art [367]3 years ago
6 0

Answer:

b - 1/4 = 3 1/2

Step-by-step explanation:

b - 1/4 = 3 1/2

b - 1/4 = (3 + 1/2)

4b = 15

b = 15/

4

= 3.75

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Help pls ;) <br> Find the geometric mean of 14 and 20
Kipish [7]

Answer:

The geometric mean of 14 and 20 is 16.73.

Step-by-step explanation:

It is required to find the geometric mean of 14 and 20. Let the numbers are :

a = 14 and b = 20

The geometric mean for two numbers is given by :

M=\sqrt{ab}

Plugging the values in above formula as follows :

M=\sqrt{14\times 20}\\\\M=\sqrt{7\times 2\times 5\times 4} \\\\M=16.73

So, the geometric mean of 14 and 20 is 16.73.

5 0
3 years ago
How many variables are in 4x3 + 2y + 6?
Marta_Voda [28]

Answer:

There are two different variables. X and Y.

6 0
3 years ago
A building casts a shadow 40 ft long when the sun's angle of elevation is 58 degrees. find the height of the building
zzz [600]
The building is 64 ft tall
3 0
3 years ago
Can you please help me with this question
jeka57 [31]

Answer:

It has to be 16in since 256 is obviously to much and 4 and 8 are too little

Step-by-step explanation:


6 0
2 years ago
Use the equation 2,401 = 76 – 2x. What power of 7 is 2,401?
zaharov [31]
Comment
I'm going to take a guess at this and say what you meant is  2401 = 7^(6 - 2x)

Step One
Find out the power of 7 that will equal 2401. 
You could do it like this.
7^y = 2401 and just guess at some values.

y      7^y
1      7
2      49
3      7 * 7 * 7 = 343
4      7 * 7 * 7 * 7 = 2401  So the answer is 4

7^4 = 2401

Step 2 
Equate the powers.
2401 = 7^(6 - 2x)
7^4 = 7^ (6 - 2x)
4 = 6 - 2x  Subtract 6 from both sides.
4 - 6 = - 2x 
-2 = - 2x divide by - 2
-2/-2 = x
x = 1 <<<<<<<<<<<<<answer

7 0
3 years ago
Read 2 more answers
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