Ask question

Ask question

All categories

2 years ago

5

Solve the proportion 2/z-5=z/0.5zpower2+7 A.1/5 B.6 C.-7/5 D.-14/5

1 answer:

stiv31 [10]2 years ago

5 0

2 / (z-5) = z / (0.5z^2 + 7)
cross multiply
z(z - 5) = 2(0.5z^2 + 7) =
z^2 - 5z = z^2 + 14 =
z^2 - z^2 - 5z = 14
-5z = 14
z = -14/5

You might be interested in

Which one of the following numbers are irrational ?

liq [111]

Answer: B and E are irrational numbers

5 0

2 years ago

What is the value of x ?

jeyben [28]

X is going to equal 2.75

3 0

2 years ago

Read 2 more answers

Which inequality is equivalent to this one? y-85-2 y-8+82-2+8 oy- 8+8

vladimir2022 [97]

Answer:

The answer is the forth one , Y-8+2⩽-2+2

5 0

2 years ago

FH and IK are parallel lines.<br><br> Which angles are vertical angles?

NARA [144]

Answer:

LJ and GE

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

The weight of a Synetic ball varies directly with the cube of its radius a ball with a radius of 2 inches weighs 3.60 pounds fin

zhuklara [117]

<span>A wok frying pan is shaped like a spherical bowl with handles. A bit of experimentation at home persuades a cook that a wok holds about 3 L</span>

8 0

2 years ago