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3 years ago

Three more than the product of two and a number x.

Mathematics

2 answers:

Delvig [45]3 years ago

6 0

Answer:

2x +3

Step-by-step explanation:

the product of two and a number means the total of 2 and a number we don't know. We know this because product means multiply.

Then it says 3 more. Using PEMDAS we know that multiplication comes BEFORE addition. So we multiply first then add the 3. So the formula would be

2x + 3

IrinaVladis [17]3 years ago

5 0

Answer:

2x+3

Step-by-step explanation:

Three more than something means adding, so we can just add 3.

Then, having a product of something means the two numbers were multiplied together, so we can write it as 2x.

Our final equation is 2x+3

Hope this helps!

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A student needs to make a square cardboard piece. The cardboard should have a perimeter equal to at least 92 inches. The functio

Illusion [34]

Answer:

$s\geq 23$

Step-by-step explanation:

We are given that a student needs to make a square cardboard piece.

Perimeter of cardboard should be equal to atleast 92 inches

We have to find that which shows reasonable domain for f(s)

Let s be the side of square cardboard

We know that perimeter of square =f(s=) $4\times side$

Then, perimeter of cardboard= $4s$

$4s\geq 92$

Dividing by 4 on both sides

$s\geq 23$

Hence, the domain of function $[23,\infty)$

Therefore, option d is true.

Answer:d: $s\geq 23$

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3 years ago

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SOVA2 [1]

Im not sure but CBA i think it has to do with some bank

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3 years ago

Create a equation where the solution is x= -5

Illusion [34]

x + 3 = 8

4x - 4 = 16

hope this helps!

5 0

2 years ago

Let f(x)=20/1+9e^3x .

Alex777 [14]

The answer is the last one

6 0

3 years ago

Read 2 more answers

on a standardized exam the scores are normally distributed with a mean of 70 and a standard deviation of 20. find the z of a per

KIM [24]

The z-score of a person who scored 128 on the exam is equal to 2.9

<h3>What is a z-score?</h3>

A z-score is also referred to as a z-value or standard score and it can be defined as a measure of the distance between a raw score and the mean, when standard deviation units are used.

Mathematically, the z-score of a given sample score in a normal distribution can be calculated by using this formula:

$z=\frac{x\;-\;u}{\sigma}$

Where:

x represents the sample score.
u represents the mean score.
σ represents the standard deviation.

Substituting the given parameters into the formula, we have;

Z-score, z = (128 - 70)/(20)

Z-score, z = 58/20

Z-score, z = 2.9

Read more on z-scores here: brainly.com/question/26714379

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1 year ago