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docker41 [41]
3 years ago
10

What is the answer to 5/7 + 6/7

Mathematics
2 answers:
Alina [70]3 years ago
7 0
5/7+6/7= 1 4/7 or 11/7

NeX [460]3 years ago
6 0
Your answer would be 11/7 because when adding fractions that have common denominators, you only ad the top numbers. you could simplify your answer to become the mixed number: 1 3/7
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What’s the value of n in the equation-1/2(2n+4)+6=-9+4(2n+1)
klemol [59]

Answer:

n=13/7

Step-by-step explanation:

2n+4+6*2=-9*2+8(2n+1)

2n+4+12=-18+16n+8

16+18=16n-2n+8

34=14n+8

34-8=14n

26=14n

n=13/7

8 0
3 years ago
Read 2 more answers
Sammy wants to deposit into a 7% annual simple interest account she will also deposit twice as much in a certificate of deposit
antiseptic1488 [7]

Answer: $2294 should be invested in the simple interest account while $4588 should be invested in the certificate of deposit.

Step-by-step explanation:

Let x represent the amount that he would deposit in the simple interest account.

Let y represent the amount that he would deposit in the certificate of deposit.

she will deposit twice as much in the certificate of deposit. It means that

y = 2x

Interest from the simple interest account would be 7%. This mean that the interest would be 7/100 × x = $0.07x

Interest from the certificate of deposit account would be 5%. This mean that the interest would be 5/100 × y = $0.05y.

The total interest from both accounts would be $390. It means that

0.07x + 0.05y = 390- - - - - - - - - - 1

Substituting y = 2x into equation 1, it becomes

0.07x + 0.05 × 2x = 390

0.07x + 0.1x = 390

0.17x = 390

x = 390/0.17 = $2294

y = 2x = 2 × 2294

y = 4588

4 0
3 years ago
PLEASE HELP ME! Images below & I give Brainliest
neonofarm [45]

Answer:

Graph C with the green dots.

Step-by-step explanation:

y = 0.5x + 5 is a linear equation, so we can rule out A because it is not straight.

5 represents the y-intercept, so we rule out B because that graph doesn't intercept the y-axis at (0,5).

Graph C represents a straight line that passes through (0, 5) & has a 0.5 slope, so that is our answer.

Hope this helps. :0)

4 0
3 years ago
Is –5 × –5 positive or negative?
liberstina [14]

Answer:

positive

Step-by-step explanation:

a negative times a negative is always a positive

7 0
3 years ago
Read 2 more answers
I really need help please and thankyou
Jet001 [13]

Answer:

answer is (d) 4/3

Step-by-step explanation:

-x+3/7=2x-25/7

25/7+3/7=2x+x

28/7=3x

4=3x

x=4/3

7 0
3 years ago
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