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Mariulka [41]
3 years ago
12

Solve for n. n - 26 = -13 n =

Mathematics
1 answer:
nevsk [136]3 years ago
8 0

Answer:

n= 13

Step-by-step explanation:

.................

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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
49<br> 42<br> 35<br> 30<br> 63<br> 6x - 6<br> Solve for x show work
Alex Ar [27]
The correct answer is 49! :) Hope you have a good day
8 0
3 years ago
A card is drawn from a standard deck of 52 cards and replaced. then a second card is drawn. find the probability of the first ca
kvasek [131]

Answer:

Step-by-step explanation:

Two things to note;

1. Since there's only one 2 or hearts and one 3 of clubs

2. The first card is replaced after it's drawn

Probability of 2 of hearts = 1/52

Probability of 3 of clubs = 1/52

They both have the same probability of being drawn.

6 0
3 years ago
Hiii friends plzzzzz talk me i am alone​
nikdorinn [45]

Answer:

Okay what do you want to talk about ?

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Mrs.Leitz spent $8.75 on new folders, f, for the 25 students in her class. Which equation shows how to find the cost of each fol
mrs_skeptik [129]

Answer:

each folder costed 0.35

Step-by-step explanation:

8.75 divided by 25 would have given you the answer

8 0
3 years ago
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