Mathematics High School

PLEASE HELP URGENT‼️‼️

Tonia was simplifying the expression: (3x)2 . x4. She wrote 3x8 as the
simplest form.
——————————————
Part A) Simplify the problem correctly.
——————————————
Part B) Describe the error(s) that Tonya made.

PLEASE HELP URGENTTonia Was Simplifying The Expression: (3x)2 . X4. She Wrote 3x8 As Thesimplest Form.Part

Answers

Answer 1

Part A

(3x)^2*x^4

(3x)*(3x)*x^4 .... expand out (3x)^2

(3*3)*(x*x*x^4)

9x^6

Answer:  9x^6

============================================

Part B

It appears that Tonya forgot to square the 3 term and had this as her steps

(3x)^2*x^4

3x^2*x^4

3x^(2*4)

3x^8

Which is incorrect as the answer in part A indicates.

Not only is the '3' part wrong, but also the exponent of 8. Instead of multiplying the exponents, she should have added them.

The rule is a^b*a^c = a^(b+c). In this case, a = x, b = 2 and c = 4.

So x^2*x^4 = x^(2+4) = x^6

Related Questions

Which tool could be used to model wave motion during a scientific investigation?

A: beam balance
B: mirror
C: prism
D: slinky spring

Answers

Answer:

D: slinky spring

Step-by-step explanation:

Number of digits in base 5 number system are

Answers

Answer:

5 digits (from 0 to 4)

Step-by-step explanation:

Well the numbers that you can use to make a number are

[tex]0\\\\1\\\\2\\\\3\\\\4[/tex]

well there are 5 digits

Answer:

C

Step-by-step explanation:

Factorise x³+7x²-2x-14​

Answers

Answer:

(x+7)(x^2+2)

Step-by-step explanation:

pls help me with these.....pls its urgent..... the right one will get brainliest.....​

Answers

Answer:  8. 1.2 × 10⁻⁶  1.2 × 10⁻³  1.2 × 10³  1.2 × 10⁵  1.2 × 10⁶

9a.  6.85 × 10⁻⁷ m   0.00000052 m   4.6 × 10⁻⁷ m

9b.  BGYR shortest to greatest

10.  6 × 10⁵   3 × 10³

11a. 10⁻⁷

11 b i.   8 × 10⁻⁷

11 b ii.  0.0000008

Step-by-step explanation: 8: the image is a bit out of focus, so it's hard to tell what all the exponents are. Just remember that for negative exponents, the larger the number, the smaller the value.

9.  Following the examples given, the exponent tells how many places to count from right to left to move the decimal from standard form to wavelength and vice-versa.  

9b. Just put the numbers from standard form in order and find the corresponding color.

10. For multiplication, multiply the numbers to the left of the × and add the exponents of the 10.   For division, Divide the numbers on the left and subtract the exponents of 10.

11a  add the powers. Just like the first part of #10

11b same procedure as #10  (The more you practice, the more likely you will remember)

The total number of decimal places in the factors will be the number of decimal places in the product. 0.002 has 3 decimal places. 0.0004 has 4 decimal places. Total of 7. SO "0" decimal . then six 0's then the multiplied number 8 in 7th place.

Use a graph to find x and y values that make both
y = x + 3 and y = 2x – 5 true.
YA
6
5 4
NW
-8 7 6 5 4 3 -2 -10
NE
4
6 7 8 x
-2
-3
The x-value is
The y-value is
The solution is​

Answers

Step-by-step explanation:

The given equations are :

y = x + 3 .....(1)

y = 2x – 5 ......(2)

The table for equation (1) is :

x = 0, 1, 2, 8

y = 3, 4, 5, 11

The table for equation (2) is :

x = 0, 1 , 2, 8

y = -5, -3, -1, 11

From the graph we can see that,

The x-value is = 8

The y-value = 11

The solution is = (8,11).

The x-value is = 8, the y-value = 11 and the solution is = (8,11)

How to determine the equation solutions?

The equations are given as:

y = x + 3

y = 2x - 5

Next, we plot the graph of the equations

From the graph of the equations, we have:

(x,y) = (8, 11)

Hence, the x-value is = 8 and the y-value = 11

So, the solution is = (8,11)

Read more about graphed equations at:

https://brainly.com/question/14323743

A cleaning crew always uses a 10% disinfectant solution on very delicate surfaces. But today the crew only has a 50% disinfection solution. If the crew needs 25 liters of 10% solution how many liters of water and how many liters of the 50% disinfectant should they mix?

Answers

Answer: 50 percent solution because you will have to multiply the 10 percent by 5.

Step-by-step explanation:

HELP IM BEING TIMED!!!!!

Answers

Answer:

10

Step-by-step explanation:

Rad10 times rad10 equals rad100 which is simplified to 10

Answer:

A: 10

Step-by-step explanation:

√10 × √10

= 10

YESSIR HOOD MEALS FOR LIFE

Answers

Answer:

what's your questions ....

Answer:

MAN im finna make banger with this one Step-by-step explanation:

is 19 equal to 4.358

Answers

Answer:

No

Step-by-step explanation:

19=19 and 4.358=4.358

can someone plzz help I don't know how to solve this equation
8(3v+3w-2)
8(3v + 3w −2)

Answers

Answer:

do u need to isolate the variables?

Step-by-step explanation:

In Ms. Monroe's 2nd Period class, 5 students made an A
and 6 students made a B on the last quiz in math class
out of a total of 32 students.
What percent of students made an A or B combined?
(ROUND TO THE NEAREST WHOLE PERCENT)
Y

Answers

Answer:

yes

Step-by-step explanation: yes

If she has 32 total students that’s the denominator, then you have to add the 5 A’s with the 6 B’s to get 11. You then get an 11/32. That cannot be reduced, so 11/32 if your final answer !

solve 2x+2y-3 ASAP PLS HLP WILL MARK AS BRAINLIEST

Answers

Answer:

xy9

Step-by-step explanation:

WILL MARK BRAINLIEST

Divide an exponential and cubic function.

Answers

Answer:

where's the question

Step-by-step explanation:

Where’s the problem at and question???


Question 15
If you have these three lengths 6cm,7cm,6cm can they make a Triangle?
O True
False

Answers

Answer:

the answer is yes

since there is there sides that's what shows in a triangle

please help with questions. This is geometry btw

Answers

Answer:

I'm pretty sure it's true.

Step-by-step explanation:

Please answer ASAP

If two sides of a triangle have lengths x+1 and x+5, what values would the third side of the triangle have to be?

Answers

Answer:

Whats a you love

Step-by-step explanation:

no entiendo

Jada and Lin are comparing inches and feet. Jada says that the constant of proportionality is 12. Lin says it is 1/12 Do you agree with either of them? Explain your reasoning.

Answers

Answer: Look up your exact question

Step-by-step explanation: The question you've asked has also been asked by another person on brainly, you could look at their answer. Link: https://brainly.com/question/11191408

Solve for y: 11−9y=−6y+8

Answers

-9y+11= -6y+8
-9y+11-11=-6y+8-11
-9y=-6y-3
-9y+6y=-6y-3+6y
-3y=-3
Answer: y=1

A study about commuting time for workers in a certain city. The distribution is clustered on the left with most of the values less than about 40 minutes commute. There are a fairly large number of values that are much higher, even stretching out to 150 minutes. There is a 15% chance that a random worker has a commute time of greater than 45 minutes. If you were to sketch this distribution, what would it look like, how would you describe it, and how do you represent the 15% probability?

Answers

Answer:

Following are the solution to this question:

Step-by-step explanation:

Its laborer's journey through time was concentrated mostly on left as well as the amounts are mostly less than 4 min. There are quite a lot of significantly higher levels, even stretching to 150 min. A hypothetical worker is 15% likely to get a time difference longer than 45 min.  

They learn from such data that perhaps the distribution of data takes a very long time. Thus the distribution will look like an's progressive.  Its probability is positive. Therefore some severe finding beyond the regular standards is included. The mean of findings is also higher than the mean.  Its problem would be that 15% of people are more likely to have been traveling more than 45 min in a specific worker.  Subsequently, the 85th level of the data is 45 minutes, meaning whether 85% of observations are decreased or equivalent to 45 minutes or 15% more than 45 minutes.

1
4. Dale is buying a new stereo for $1,580. If sales tax is 7.2%, how much will
he pay in total? *
A) $1,137.60
B) $113.76
C) $2,717,60
D) $1,693.76

Answers

Answer: 1693.76

Step-by-step explanation:

Given that f ( x ) = 3 x − 2 and g ( x ) = 2 x , evaluate f ( g ( − 1 ) )

Answers

g(x) = 2x

9(-1) = -2

f(x) = 3x-2

f(g(-1)) = f(-2) = 3*(-2) - 2 = -8

Answer:

-8

Step-by-step explanation:

g(-1)= 2 * -1 = -2

So f(g(-1)) will be f(-2)

F(-2) = (3 * -2) - 2

= -6 - 2

= -8

How many leaves are there in the universal set?

How many leaves are in the shaded subset?

How many leaves are in the not-shaded subset?

Answers

Answer:

8 leaves

6 leaves

2 leaves

I NEED HELP ASAP!!!!!



What is the distance (length) of side LM?

Answers

Answer:

Distance, d = √((x2 - x1)² + (y2 - y1)²)

L(x1, y1) => L(-3, -1)

M(x2, y2) => M(2, 3)

Distance LM = √((2 - -3)² + (3 - -1)²)

= √((2 + 3)² + (3 + 1)²)

= √((5)² + (4)²)

= √(25 + 16)

= √ 41

= 6.4 unit

PLS HELP ASAP I DONT HAVE TIME AND IT ALSO DETECTS IF ITS RIGHT OR WRONG

Answers

Yeah its b they’re right

What is the slope of a line which makes an angle of 45 degree with x-axis? *​

Answers

Answer:

First we have to find slope m=Tan45°=1

so slope is 1.

Answer:

slope = 1

Step-by-step explanation:

The relationship between slope and the positive angle it makes with the x- axis is

slope = tanθ ( θ is the angle measured from the x- axis ), then

slope = tan45° = 1

If the equation of a line is y = - 5x + 3, which is true?

A) Slope is 3, Y-Intercept is -5

B) Slope is -5 , Y- Intercept is 0

C) Slope is -5, Y-Intercept is 3

D) Slope is 5, Y-Intercept is -3

PLS ANSWER 64 POINTS (64 POINTS AND ILL MARK BRAINIEST) PLS...

Answers

Answer:

A

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

So the formula for slope is y = mx + b

Here is what it looks like so far: y = -5x + 3

In that equation, -5 is m (slope)

and 3 is b (y-intercept)

So the answer is C

please help!!!! its math I will give you more points if you answer correctly and brainly
The equations of four lines are given. Identify which lines are perpendicular.

Line 1: y+8x=−5

Line 2: x+1/6y=−5

Line 3: y=−6x−7

Line 4: y+3=1/8(x−1)

Lines 2 and 3 are perpendicular.
Lines 1 and 2 are perpendicular.
All four lines are perpendicular.
Lines 1 and 4 are perpendicular.

Answers

Answer:

All four lines are perpendicular

Step-by-step explanation:

Lines 1 and 2 are parallel

y+8x=−5;x+1/6y=−5

Lines 2 and 3 are parallel

x+1/6y=−5;y=−6x−7

Lines 1 and 4 are perpendicular they intercept

x+1/6y=−5;y+3=1/8(x−1)

All four lines are perpendicular

line 4 is perpendicular to all other lines

Answer The Question Below:

Answers

Answer:68600m

Step-by-step explanation:98 meters to cm is 9800 then times it by 7 you get 68600

68700 I think is the answer

If Z is the centroid of triangle TUV, TZ=60, XZ=28, and WZ=25, find each missing measure

Answers

The measure of length ZV, ZY, ZU, TY, and XV are 56, 30, 50, 60, and 78.

If Z is the centroid of triangle TUV, then the following are true:

ZV = 2ZX

Given that ZX = 28,

ZV = 2(28)

ZV = 56

Similarly, TZ = 2ZY

60 = 2ZY

ZY = 60/2

ZY = 30

Also, ZU = 2WZ

ZU = 2(25)

ZU = 50

TY = 2ZY

TY = 2(30)

TY = 60

XV = XZ + ZY

XV = 28 + 50

XV = 78

Therefore the measure of length ZV, ZY, ZU, TY, and XV are 56, 30, 50, 60, and 78.

Learn more on centroid here: https://brainly.com/question/25845737

Pls help with both...........

Answers

Answer:

1000

512 is ans ...............

A) 10 X 10 X 10 X 10 = 10000

B) 8 X 8 X 8 = 512
Other Questions
why should damage be repaired before a cell enters mitosis How is Earths surface divided between land and water?70 percent water, 30 percent land60 percent land, 40 percent water60 percent water, 40 percent land70 percent land, 30 percent water Halp pls!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Lamar planted 56 flowers in his garden. The ratio or orange to yellow flowers planted was 2525. How many yellow flowers did Lamar plant? what is the main conflict in the book the giver? Which number line represents the solution to the inequality 7x1387x138 ? WHOEVER DOES THIS GETS 30 POINTS T^T ITs Due today The concept album What's Going On was released by:O A. Marvin Gaye.O B. Stevie Wonder.O C. Gladys Knight.O D. Smokey Robinson: Here is 50 points have a Great Day!!And... Which of the following is describing exposition?It was Friday afternoon, and Michael was ready for the school bell to ring.Michaels teacher was trying to finish her lesson quickly, before she lost the students attention.The bell finally rang, and Michael darted out of the classroom, heading for the bus. Calculate value of xA=24.9B=19.1C=10.3D=12.3 bj...Suppose that you own a compact carthat you bought new for 18,000 dollars.The value of this particular make of car isknown to depreciate at a rate of 20%per year.Define a unit for each quantity in theworksheet. Then enter a variable forthe time since you bought the car new hey, can someone make a separate question and tell me when you make it and donate me some points? ty I love you If you do it What is the value of g divided by 4, if g = 20? Frederick the Great of Prussiaa.abolished serfdom.c.replaced aristocratic officers.b.enlarged the army.d.eliminated religious toleration. WHO WANTS BRAINLIESTT ?????? PLEASE answer this question correctly !!!! STEP BY STEP !!!!!!!!!!!!!!! In the electrolysis of molten CaCl2, a current of 1.12 A is passed through the cell for 3.0 h. What is the mass of Ca produced at the cathode Express this number in scientific notation. 0.15880.1588 I know too that it is a maxim [principle] with us, and I think a wise one, not to entagle ourselves with the affairs' of Europe...--Thomas Jefferson, 1787Which Document echoes the advice given by Thomas Jefferson in this statement? aWashington's Farewell Address bMayflower Compact cDeclaration of Independence dArticles of Confederation A car moves with a velocity of 54km/h to a velocity of 72lm/h for 5 minutes. determine the distance covered Multiply the following polynomials, then place the answer in the proper location on the grid. Write the answer indescending powers of x.(8x + 3)(4x + 7)