Try dividing the first equation by 3. The result will be identical to the second equation. Thus, we have two lines that coincide, and therefore there are an infinite number of solutions.

7 0

2 years ago

Sara threw her math book off a building . The height of the book, seconds after being thrownis modeled by the equation below. Th

Vikentia [17]

Answer: 70 ft

Step-by-step explanation:

Given

height of book is measured by the function is

$h(x)=-5(x+2)(x-7)$

when the book is thrown $x=0$

$\therefore h(x=0)=-5(0+2)(0-7)\\\Rightarrow h(x=0)=70\ ft$

The height of the book is $70\ ft$

4 0

2 years ago

How do write 2 3/4 as an improper fraction

kolezko [41]

11/4 is the mixed fraction of that

8 0

3 years ago

Read 2 more answers

PLEASE HELP ME PLZ PLZ PLZ

Oksana_A [137]

Answer:

Step-by-step explanation:

pythagoras theorem = a* + b* = c* ( by '*' i mean squared)

2* + b* = square root twenty

4 + b* = 20

b* = 16

b = 4

4 0

3 years ago