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777dan777 [17]
2 years ago
14

Divide and write your answer in simplest form. 4 ÷ 1/2

Mathematics
1 answer:
MAVERICK [17]2 years ago
8 0

Answer:

the answer will be 8

Step-by-step explanation:

pls give me brainliest

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Cary is 7 years older than Dan. In 7 years the sum of their ages will be 79. Find the age of each man now.
Vilka [71]

Answer:

Dan is 29. Cary is 36.

Step-by-step explanation:

Let Dan's age now be D.

Let Cary's age now be C.

"Cary is 7 years older than Dan."

C = D + 7

"In 7 years the sum of their ages will be 79. "

In 7 years, the ages of Dan and Cary will be D + 7 and C + 7, respectively.

D + 7 + C + 7 = 79

C + D + 14 = 79

C + D = 65

C = D + 7

The last two equations in bold above form a system of equations. Since the second equation is already solved for C, we use the substitution method.

D + 7 + D = 65

2D + 7 = 65

2D = 58

D = 29

C = D + 7

C = 29 + 7

C = 36

Answer: Dan is 29. Cary is 36.

3 0
3 years ago
Un = 5 x 21<br> What is the answer to this problem?
siniylev [52]

Answer:

N = 105/u

U = 105/n

Step-by-step explanation:

Let's solve for n.

un=(5)(21)

Step 1: Divide both sides by u.

nu/u = 105

un = 105/u

__________________________

Let's solve for u.

un=(5)(21)

Step 1: Divide both sides by n.

nu/n = 105/n

u = 105/n

4 0
3 years ago
Whats the anser to this please help out​
Paha777 [63]

Answer:

The answer is B

Step-by-step explanation:

5 0
2 years ago
HELP PLS<br> Solve for x<br> x=[?]<br> 3x + 2 6x - 20
Sloan [31]

Step-by-step explanation:

Remember that the sum of angles on a straight line are supplementary. (180°)

Therefore 3x + 2 + 6x - 20 = 180.

=> 9x - 18 = 180

=> 9x = 198

=> x = 22.

3 0
3 years ago
Solve the system by the elimination method.
NikAS [45]
     2x+3y-10=0    (1)
+
     4x-3y-2=0       (2)
    ____________
     6x    -12=0      (if you just want the resulting equation. It is 6x-12=0)
               x=2 
take x=2 and put it into equation (2)
4(2) -3y -2=0
-3y= 2-8 
   y= 2
(x=2,y=2)
5 0
3 years ago
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