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3 years ago

How do you use a exponent to indicate a math problem

2 answers:

8 0

A quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression (e.g. 3 in 23 = 2 × 2 × 2)

AfilCa [17]3 years ago

4 0

You could use something called a carrot which is this symbol (^) in order to indicate an exponent if that is what you are looking for.

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Need help with these two question!!??

lawyer [7]

The measure of x in both parts is: 120°

Step-by-step explanation:

Part A:

We can clearly see that the figure in part a has six equal sides. So the given figure is a hexagon.

A hexagon has six equal sides in six equal interior angles.

Sum of interior angles of hexagon is 720°

So,

$Measure\ of\ one\ agnle=\frac{Sum\ of\ interior\ angles}{number\ of\ angles}\\=\frac{720}{6}\\=120$

Part B:

The figure is a Dodecagon with 12 sides.

The Dodecagon has 12 equal sides and angles.

The sum of internal angles of Dodecagon is 1440°

So,

$Measure\ of\ one\ angle=\frac{Sum\ of\ angles}{Number\ of\ angles}\\=\frac{1440}{12}\\=120$

The measure of x in both parts is: 120°

Keywords: Polygons, Hexagon

Learn more about polygons at:

#LearnwithBrainly

6 0

3 years ago

DO IT AND YOU GET 50 POINTS BUT IF YOU DO BOTH PAGES YOU GET BRAINLEYIST AWNSER.

jeyben [28]

Answer:

23. a-T b-F

24. Words- *3* times the number of *feet*

Variable- Let *y* represent the number of *yards*

Model- (I can't do it)

Expression- The number of feet in*3* yards is given by the expression *3y*

25. 7.8

26. 8.3

27. 14.5

28. Yes. The communitive property tells us that we can switch any two numbers in a multiplication or addition problem

*I did that page like a month ago*

5 0

3 years ago

Read 2 more answers

Write a equivalent expression for 12a+60

viva [34]

Answer: 12(a+5)

Step-by-step explanation: factor out 12 from the expression

ANSWER 12(a+5)

8 0

3 years ago

How many times does the graph of 4x = 32 - x2 cross the x-axis?

garik1379 [7]

Answer:

The graph crosses the x-axis 2 times

The solutions are x = -8 & x = 4

Step-by-step explanation:

Qaudratics are in the form $ax^2 + bx+ c$

Where a, b, c are constants

Now, let's arrange this equation in this form:

$4x=32-x^2\\x^2+4x-32=0$

Where

a = 1

b = 4

c = -32

We need to know the discriminant to know nature of roots. The discriminant is:

$D=b^2-4ac$

D = 0 , we have 2 similar root and there is 2 solutions and that touches the x-axis
D > 0, we have 2 distinct roots/solutions and both cut the x-axis
D < 0, we have imaginary roots and it never cuts the x-axis

Let's find value of Discriminant:

$D=b^2-4ac\\D=(4)^2 -4(1)(-32)\\D=144$

Certainly D > 0, so there are 2 distinct roots and cuts the x-axis twice.

We get the roots/solutions by factoring:

$x^2+4x-32=0\\(x+8)(x-4)=0\\x=4,-8$

Thus,

The graph crosses the x-axis 2 times

The solutions are x = -8 & x = 4

6 0

3 years ago

Read 2 more answers

Function h models an object's height in feet after x seconds have passed. Which equation shows that the object's height increase

ASHA 777 [7]

Answer:

Step-by-step explanation:

We know that function <em>h</em> represents an object's height in feet after <em>x</em> seconds.

In that case, option A) h(15) = 100 means that after 15 seconds, the object's height is 100 feet.

Option B) h(100) = 15 means that after 100 seconds, the object's height is 15 meters.

Therefore, neither A nor B are correct.

Option C) h(15) - h(0) = 100 means that between the zeroth and 15th second, their difference is 100 feet.

In other words, the object's height increased by 100 feet over the first 15-second period.

Option C is correct.

For Option D), it gives us the average rate of change. (h(15) - h(0)) / (15) = 100 means that for the first fifteen seconds, the height of the object increased at an average rate of 100 feet per second.

8 0

3 years ago