All categories

2 years ago

1/3z=-5 solve the equation for the value of the variable show all work

Mathematics

2 answers:

Alexxx [7]2 years ago

6 0

Answer:

z = -15

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality

Step-by-step explanation:

Step 1: Define

1/3z = -5

Step 2: Solve for z

Multiplication Property of Equality [Multiply both sides by 3]: 3 · 1/3z = -5 · 3
Simplify [Multiply]: z = -15

Step 3: Check

Plug in z into the original equation to verify it's a solution.

Substitute in z: 1/3(-15) = -5
Multiply: -5 = -5

Here we see that -5 does indeed equal -5.

∴ z = -15 is the solution to the equation.

navik [9.2K]2 years ago

5 0

Answer:

z=-15

Step-by-step explanation:

Multiply both sides by 3:

z=-15

You might be interested in

If 3(r+300)=6, then what would be the value of r+300-2?

saveliy_v [14]

Solve for r in the first equation:

3(r+300) = 6

Use the distributive property:

3r + 900 = 6

Subtract 900 from both sides:

3r = -894

Divide both sides by 3:

r = -894 / 3

r = -298

Now you have r, replace r in the second equation and solve:

r +300 -2 =

-298 + 300 - 2 = 0

The answer is 0.

6 0

3 years ago

The graph of which function is decreasing over the interval (–4, ∞)?

padilas [110]

I think second must b the answee

3 0

3 years ago

Read 2 more answers

Which is equivalent sin^-1 (cos(pi/2))?Give your answer in radians

NNADVOKAT [17]

Answer:

Given the expression: $\sin^{-1}(\cos(\frac{\pi}{2}))$

Let the value of the given expression in radians be $\theta$

then;

$\sin^{-1}(\cos(\frac{\pi}{2})) =\theta$

$\cos \frac{\pi}{2} = \sin \theta$ ......[1]

We know the value of $\cos \frac{\pi}{2} = 0$

Substitute the given value in [1] we have;

$\sin \theta = 0$

Since, the value of $\sin \theta$ is 0, therefore, the value of $\theta$ is in the form of:

$\theta = n\pi$ ; where n is the integer.

At n =0, 1 and 2, {Since, n is the integer}

Value of $\theta =0, \pi$ and $2\pi$

therefore, the answer in radians either $0 , \pi$ or $2\pi$

6 0

3 years ago

Read 2 more answers

MP.4 Model with Math Cecilia bought 2 sandwiches last week and 4 sandwiches

ANTONII [103]

Answer:

Step-by-step explanation:

4 + 2 = 6

42 divided by 6 equals 7

7 0

3 years ago

How many hours will it take to prepare 900 bags of samples if ashely and her 5 friends do the work

Lerok [7]

5 hours to do all the bags

5 0

3 years ago

Read 2 more answers