2 years ago

Please help!! How do you do number 1?

1 answer:

6 0

Do a ratio tall over shadow. How tall is tree / shadow. How tall is person / shadow then cross multiply. X/7.5 =5/3. 37.5=3x. Divide by 3 answer 12.5

You might be interested in

Helen [10]

Answer:

(1, -3)

Step-by-step explanation:

7 0

2 years ago

4vir4ik [10]

$(3x-7b)+(2b+2x)= 12b\\ 3x-7b+2b+2x=12b \\ 3x+2x -7b+2b=12b \\ 5x-5b=12b \\ 5x-5b+5b=12b+5b \\ 5x = 17b \\ \\ \boxed {\bf { \frac{17}{5} b}}$

8 0

2 years ago

Dmitriy789 [7]

Answer:

-5

Step-by-step explanation:

(-44) + (-10) + 49

=> 49 - 44 - 10

=> 49 - 54

=> -5

4 0

2 years ago

rjkz [21]

Because 1/4 is a fractional number, it is also a ratio which means it is Rational. :)

7 0

2 years ago

Lilit [14]

Answer:

Step-by-step explanation:

6 donuts

= 0.45 each donut

8 0

2 years ago