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frutty [35]
3 years ago
9

Please help with #7!!!

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0
1,150…………lollllll. :)
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Biff is 25 years older than Hannah today. Four years from now,Biff will be 6 times as old as Hannah will be. How old is Hannah t
gavmur [86]

Hannah is 1 year old today.

Step-by-step explanation:

Let,

Hannah = x

Biff = y

According to given statement;

y = x+25   Eqn 1

In four years;

y+4 = 6(x+4)   Eqn 2

Putting value of y from Eqn 1 in Eqn 2;

(x+25)+4=6x+24\\x+25+4=6x+24\\x+29=6x+24\\29-24=6x-x\\5=5x\\5x=5

Dividing both sides by 5

\frac{5x}{5}=\frac{5}{5}\\x=1

As x is age of Hannah, therefore,

Hannah is 1 year old today.

Keywords: linear equations, substitution method

Learn more about linear equations at:

  • brainly.com/question/4057490
  • brainly.com/question/4097107

#LearnwithBrainly

4 0
3 years ago
June bought ​
MA_775_DIABLO [31]

Answer:

$8006

Step-by-step explanation:

312*17.5=5460

134*19=2546

5460+2546= 8006

5 0
3 years ago
I need a riddle with this number 5109
dezoksy [38]

You get this number when multiplying the numbers of 1703 and 3

7 0
3 years ago
If UV = 6 and TV = 12, what is TU?
love history [14]

Answer:

TU = 6

Step-by-step explanation:

Using the Segment Addition Postulate, we know that TU + UV = TV, and since UV = 6 and TV = 12, we know that TU + 6 = 12, therefore, TU = 6.

3 0
3 years ago
305/453 what is the percent to the neriest tenth
swat32
The answer is 67% because it rounds to 67%
5 0
3 years ago
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