MATHEMATICS MIDDLE SCHOOL

Factor:

a^n + a^n+1 +a^n+2

Answers

Answer 1

Answer:

Answer:

$a^(n)$ (1 + a + a²)

Step-by-step explanation:

consider the rule of exponents

$a^(m)$ × $a^(n)$ = $a^((m+n))$

given $a^(n)$ + $a^(n+1)$ + $a^(n+2)$

Take out the common factor $a^(n)$

= $a^(n)$ (1 + a + a²)

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Can I have help on this question please

Answers

5/7= x/42
You have to get x on its own side
5/7=x/42
*42= *42
5/7*42=x
x=30
Hope this helped

you multiply both sides by 42 so you get 42×5/7=x , 5×42=210, 210/7=30, x=30

PLEASE HELP! SUPER STUCK!!!Determine if the graphed function is linear or nonlinear.

Select from the drop-down menu to correctly complete the sentence.

The graphed function is _____________.

Answers

Answer:

The graphed function is Nonlinear

A train traveled 210 miles in 3.5 hours to its first stop. It then continued on traveling another 130 miles in 2.5 hours. What was the average speed of the train for the entire journey? A. 52 mi/h B. 56 mi/h C. 56.7 mi/h D. 60 mi/h

Answers

t = 6 [h]
s = 340 [mi]

v=s/t=340/6=56.7 [mi/h]
Answer C.

- Complete this sentence. 12 = 4 * 3 means that
12 is
times as many as 4.

Answers

Answer:

12 is equal to 3 times 4 (3 * 4 = 12)

Step-by-step explanation:

Given that:

12 = 4 * 3

means that:

12 is three(3) times as many as 4.

it can also be explained like when 4 is added 3 times it gives 12:

Mathematically:

4+ 4+ 4 = 12

i hope it will help you!

Which equation gives the value of the circumference, C, of a circle with a diameter of 48 feet?

Answers

An equation that represents the value of the circumference, C, of a circle with a diameter of 48 feet is C=2π×24.

What is the circumference?

The circumference is the length of any great circle, the intersection of the sphere with any plane passing through its Centre. A meridian is any great circle passing through a point designated a pole.

Given that, a circle with a diameter of 48 feet.

Here, radius = Diameter/2

Radius = 48/2 = 24 feet

We know that, the circumference of a circle is 2πr.

Now,

C=2π×24

C=2×3.14×24

C=150.72 feet

Therefore, the circumference of a circle is 150.72 feet.

To learn more about the circumference visit:

brainly.com/question/4268218.

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circumference = $\pi$ * diameter
c = 3.14 * 48
c = 150.72
circumference is 150.72 feet.

by visual inspection, determine the best-fitting regression model for the data plot below. A. No pattern B. Quadratic C.Linear D. Exponential

Answers

Answer:

C) Linear

Step-by-step explanation:

We can see from the plot that the data approach a straight line.

This means we can draw a line of best fit through this data and it should hit several data points; thus the answer is linear.

By visual inspection, the best-fitting regression model for the data plot above is: C. linear.

What is a regression line?

A regression model can be defined as a statistical tool which best describes the behavior of a data set. Thus, a regression line is a type of line that best fits a set of data.

By visual inspection, we can logically deduce that the best-fitting regression model for the data plot shown in the image attached above is linear because there exist a direct relationship between the data set.

Read more on regression here: brainly.com/question/26059078

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