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3 years ago

What happens to the order of operations when you’re solving a two-step equation?

Mathematics

1 answer:

djyliett [7]3 years ago

4 0

Answer:

The order of operation will be reversed

Step-by-step explanation:

In order to solve two-step equations, we need to work backward with regard to the order of operations.

We would perform the addition & subtraction before multiplication & division.

1. Add or subtract to isolate the variable term.

2. Multiply or divide to solve for the variable.

3. Check your solutions.

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The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food cos

Alexeev081 [22]

Answer:

$z=\frac{x- \mu}{\sigma}$

And replacing we got:

$z=\frac{425-500}{75}= -1$

And we can calculate this probabilit using the normal standard distribution or excel and we got:

$P(z$

Step-by-step explanation:

If we define the random variable of interest "the amount spent by a family of four of food per month" and we know the following parameter:

$\mu = 500, \sigma = 75$

And we want to find the following probability:

$P(X$

And we can use the z score formula given by:

$z=\frac{x- \mu}{\sigma}$

And replacing we got:

$z=\frac{425-500}{75}= -1$

And we can calculate this probabilit using the normal standard distribution or excel and we got:

$P(z$

5 0

2 years ago

Suzy plants 4 saplings in a row in her garden the distance between two adjacent saplings in 3/4 meters find the distance between

Luba_88 [7]

Answer:

The answer is 3 meters.

Step-by-step explanation:

Suzy has 4 saplings the distance between two of the is 3/4

So if the distance from one to another is 3/4 then you have to do 3/4 (.75) times 4. Giving you the answer of 3 meters.

4 0

3 years ago

Read 2 more answers

If someone travels 20km in 30mins, what is their speed?

scoundrel [369]

You are given a distance of 20 kilometers and time of 30 minutes. You are required to find for the speed of the travelling object. The equation for speed is distance over time. Speed is a scalar quantity. It tells you the direction of the travelling object. The solution in this problem is,

Speed = distance/time
Speed = 20 kilometers / 30 minutes
Speed = 2/3 kilometers per minute or 0.667 kilometers per minute
Therefore, the speed of the object is 0.667 km per minute.

4 0

2 years ago

In the triangle ABC the measure of angle A is 2X +3 the measure of angle B is 4X +2 in the measure of angle C is 2X -1what are t

kvasek [131]

Answer:

hope you got a good grade o whateva

Step-by-step explanation:

im just trna get more questions

8 0

3 years ago

Use the quadratic formula to find the solutions for y = -x2 - 5x + 12

sattari [20]

Y=-2x-5x+12
Add the variables
Y=-7x+12
There^

7 0

2 years ago