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larisa86 [58]
3 years ago
13

Alvin is 11 years younger than tiffiny the sum of their ages is 79 what is tiffinys age?​

Mathematics
2 answers:
Serhud [2]3 years ago
5 0

Answer:

Tiffany should be 68 years

Inessa05 [86]3 years ago
4 0

Answer:

Tiffany is 57. ( im not sure if thats right but thats what i got)

Step-by-step explanation:

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NEED ASAP MATH!! 7TH GRADE
lozanna [386]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Oh yeah guys this has been a very eventful day today.
zimovet [89]

Answer:

Congrats! I got mine like a year ago lol

6 0
3 years ago
How many solutions does this equation have?
drek231 [11]

The answer is infinitely many solutions because 0 = 0.

If you don't seem to see where I got 0 = 0, look at the equation,

4b – 4b = 0

first lets do the math on the left side.

4b - 4b  is equal to 0.

so lets put 0 on the left side, now lets look at the equation all together,

0 = 0,

and this means that it has infinitely many solutions.

The reason why it is not no solution because no solution means when there are no answers to the equation. For example, the solution is not true, such as the equation 24 ≠ 29. This is a no solution equation. One solution can be 4x = 20, as x = 5, concluding it being one solutions.

5 0
3 years ago
2a+4(7+5a)I need help
kolezko [41]

2a+4(7+5a)

Distribute 4 into 7 and 5a

2a+28+20a

Combine like terms

Final Answer: 22a+28

6 0
3 years ago
Read 2 more answers
The length of a rectangle is 8 inches longer than half of its width.The area of the rectangle is 18 square inches.How many inche
SOVA2 [1]

Answer:

The correct answer is 2 inches.

Step-by-step explanation:

Let l inches and w inches be the length and width of a rectangle respectively.

According to the given problem, l - 8 = \frac{w}{2}.

Area of the rectangle is given to be, according to the question, 18 square inches.

Thus l × w = 18

⇒ l × (2l - 16) = 18

⇒ 2 l^{2} - 16l - 18 = 0

⇒  l^{2} - 8l - 9 = 0

⇒ ( l - 9) ( l + 1) = 0

The possible values of l are 9 and -1. As the length cannot be equal to -1, thus the value of the length is 9 inches.

Width of the rectangle is 2 inches.

5 0
3 years ago
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