Mathematics College

Simplify:
3 [23 + (4 – 2)3 – (6 - 2)2]
O A. 3
o
B. 12
D. 24
O o
E-3

Answers

Answer 1

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Step-by-step explanation:

Step 1: Define

3[23 + (4 - 2)³ - (6 - 2)²]

Step 2: Evaluate

[Brackets] (Parenthesis) Subtract: 3[23 + 2³ - 4²][Brackets] Exponents: 3[23 + 8 - 16][Brackets] Add: 3[31 - 16][Brackets] Subtract: 3[15]Multiply: 45

Related Questions

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (–1 + i) + (21 + 5i)? (–1 + i) + (21 + 5i) + 0 –1 + (i + 21) + 5i (–1 + 21) + (i + 5i) –(1 – i) + (21 + 5i)

Answers

Answer:

i think the answer is C, (-1 + 21) (i + 5i)

Step-by-step explanation:

i just took the test and got a 92% but it didnt tell me which ones were wrong. thats my best guess though. i hope it helps!

The expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression as, (-1 + 21)+(i + 5i). Option C is correct.

What is an expression?

It is defined as the combination of constants and variables with mathematical operators.

It is given that the expression is, (–1 + i) + (21 + 5i)

We have to find the expression that demonstrates the use of the commutative property of addition

According to the commutative property of addition, altering the order of addends has no impact on the sum.

Commutative law refers to either of two rules pertaining to the addition and multiplication of numbers that are expressed symbolically as a + b = b + a and ab = ba. These principles imply that rearranging the terms or factors of any finite sum or product has no effect on it.

Thus, the expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression as, (-1 + 21)+(i + 5i). Option C is correct.

Learn more about the expression here:

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Factor the expression to fill in the blank:
24 + 32 = (3 + 4)

Answers

Answer:

Step-by-step explanation:

The answer is 8 have a good day

Below is a diagram of Justin's garden. What is the area of his garden?

Answers

Answer:

230 ft²

Step-by-step explanation:

(20 * 10) + (26-20)*(10-7) = 200 + 18 = 218

(32*14) - 218 = 230

Find the point of intersection for the two functions through substitution. Show
your work
f(x) = -4x + 7
g(x) = 2x + 13
PLEASE HELP ME AND SHOW WORK I WILL MARK YOU THE BRAINLIEST!

Answers

Answer: (-1, 11)

This means x = -1 and y = 11 pair up together.

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

Work Shown:

Set the two functions equal to one another. Solve for x.

f(x) = g(x)

-4x+7 = 2x+13

7 = 2x+13+4x ... adding 4x to both sides

7 = 6x+13

7-13 = 6x .... subtract 13 from both sides

-6 = 6x

6x = -6

x = -6/6 ... divide both sides by 6

x = -1

Use this x value in either function

f(x) = -4x+7

f(-1) = -4(-1)+7

f(-1) = 11

g(x) = 2x+13

g(-1) = 2(-1)+13

g(-1) = 11

Whichever function you pick, the input x = -1 leads to the output y = 11.

The point of intersection is (x,y) = (-1, 11)

Visual confirmation is shown below.

A drawing has a scale of 1 mm: 20 cm. What
is the scale factor of the drawing?

Answers

The scale factor of the drawing is 200.

Scale Factor of a Drawing

The first step to take when looking for the scale factor of a drawing is to ensure both measurements are on the same unit.

Given a scale for a drawing to be: 1 mm: 20 cm

1 cm = 10 m

Therefore:

20 cm = 200 mm

Scale factor = 200/1 = 200.

Therefore, the scale factor of the drawing is 200.

Learn more about scale factor on:

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There are 15 students in the Drama Club and 7 students in the Speech and Debate Club. What is the ratio of Drama Club members to Speech and Debate Club members?

Answers

Answer: The answer is 15:7

Answer:

15:7

Step-by-step explanation:

If there are 34 successes in a sample with a size of 40, what is the sample
proportion?

Answers

Answer:

Step-by-step explanation:

0.85

Answer:

.85

Step-by-step explanation:

if 50% is 100 what is 25%, 75%, and 100%

Answers

Step-by-step explanation:

25%=50

75%=150

100%=200

hope it helps

mark me brainliest

!!!!!!!!!!!!!!!!!!!! Yes

Answers

Answer:it id blurry but i think it is c

Step-by-step explanation:

Answer:

Step-by-step explanation:

gggh

Find all solutions to the equation.

7sin2x - 14 sin x + 2 = -5

Answers

Answer:

Step-by-step explanation:First, group and combine like terms:

→

(

)

Next, factor out an

from each term in the expression:

(

⋅

)

(

⋅

)

(

⋅

)

→

(

)

Because

and

⋅

we can factor the quadratic term as:

(

)

(

)

A line passes through the points (2, –2) and (–6, 2). The point (a, –4) is also on the line. What is the value of a?

A coordinate plane.A line passes through the points (2, –2) and (–6, 2). The point (a, –4) is also on the line. What is the value of a?

A coordinate plane.A line passes through the points (2, –2) and (–6, 2). The point (a, –4) is also on the line. What is the value of a?

A coordinate plane.

Answers

Answer:

Step-by-step explanation:

I took the test

Answer:

Step-by-step explanation:

just took the exam

The students in Miss Jackson's class are collecting pennies they decide to displayed in his facts of 10 how many stacks can they make with 345 pennies how many single pennies will they have left

Answers

34 Stacks of 10 with 5 pennies left.

Answer:

34 stacks with 5 pennies left

Step-by-step explanation:

345 / 10 = 34.5

10 * 34 = 340

345 - 340 = 5

Draw 9:10 on a clock

Answers

Answer:

put the short hand at nine

Step-by-step explanation:

put the long hand and 10 minutes

Answer:

you can draw on your notebook and draw the clock

I need help with solutions

Answers

Answer:

10. b 11. b 12. b 13. a 14. b 15. b 16. a 17. a 18. b 19. a 20. a 21. b

Step-by-step explanation:

I'm pretty sure they are all right

Why should we wear rubber gloves on our hands while working with electricity?

Answers

Answer:

a simple answer would be that rubber doesnt conduct electricity, so by wearing it you are at a substantially lower risk of being insured by electricity. This is also why people who work with electricity wear rubber soled boots.. to prevent grounding and ultimately, to prevent getting electrocuted. hope this helps :)

Answer:

if you don't wear rubber gloves, there will be a chance of you being electrocuted. Rubber gloves don't let any electricity to go through, so your body can stay safe.

Hope this helps.

Step-by-step explanation:

An online book store has 182 boxes of books in its warehouse. Each box has 32 books.

Part A
Which equation represents the best estimate of the total number of books in the warehouse?
180 × 30 = 5,400
180 × 40 = 7,200
190 × 40 = 7,600
200 × 40 = 8,000
Part B
Is the best estimate in Part A an underestimate or an overestimate? Explain.

It is an underestimate. The rounded value for 182 is less than 182, and the rounded value for 32 is less than 32. The estimated product must be less than the exact product.

It is an overestimate. The rounded value for 182 is greater than 182, and the rounded value for 32 is greater than 32. The estimated product must be greater than the exact product.

It is an overestimate. The rounded value for 182 is greater than the rounded value for 32. The estimated product must be greater than the exact product.

It is an underestimate. The rounded value for 32 is closer to 32 than the rounded value for 182 is to 180. The estimated product must be less than the exact product.

Answers

part a:
180 x 30

part b:
underestimate. the rounded value is less than the original number

Answer:

Part is A. Part B is underestimate. Part C (for the choose drop-off boxes are these: 1# < 2# < 3# <

Step-by-step explanation:

I took the test, hope it helps.

Find (f+g)(x) and (f-g)(x)
f(x)=2x+7 g(x)=5x-4

Answers

Answer:

for (f+g)(x): 7x + 3; x = -3/7

for (f-g)(x): -3x - 3; x = -1

Step-by-step explanation:

(f+g)(x) = (2x+7)+(5x-4)

Eliminate parentheses.

2x + 7 + 5x -4

Combine like terms.

7x + 3

If you are solving for x, move the 3 to the other side.

7x = -3.

Then divide each side by 7.

x = -3/7

(f-g)(x) = (2x+7) - (5x -4)

Distribute the negative.

(2x+7) + (-5x+4)

Eliminate parentheses.

2x + 7 - 5x - 4

Combine like terms.

-3x -3

If you are solving for x, move the -3 to the other side.

-3x = 3

Then divide each side by -3.

x = -1.

Convert the temperature equivalent to 30 degrees Celsius to degrees Fahrenheit, using the formula F = 1.8C + 32 *

Answers

Answer:

86°F

Step-by-step explanation:

Plug in 30 as C in the formula:

F = 1.8C + 32

F = 1.8(30) + 32

F = 54 + 32

F = 86

So, the answer is 86°F

And the number 6,497.4, the four next to the six is worth ___ times the other four.

A) 10

B) 100

C) 1,000

D) 10,000

The answer is : C

The answer is C because the four next to the six is three places to the left of the other four, its 1,000 times the other four

Answers

Yeah the answer is c

Please help photo attached

Answers

Answer:

Step-by-step explanation:

conjugate just changes the sign of the radical (but nothing else)

Answer:
C
Explanation:
I took the test

What are the interest cost and the total amount due on a six-month loan of $1,800 at 14.4 percent simple annual interest

Answers

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Principal (P)= $1,800

Number of periods (t)= 6 months

Monthly interest rate (r)= 0.144/12= 0.012

To calculate the interest to be paid and the total amount due, we need to use the following formula:

I= P*r*t

I= 1,800*6*0.012

I= $129.6

Total amount= $1,929.6

PLEASE HELP PLEASE I REALLY NEED HELP JUST SAY LIKE ABC OR D AND PLEASE DO THE CORRECT ANSWER

Answers

Answer:

Step-by-step explanation:

estimate the circumference of a circle that has a diameter of 13 yards

Answers

Answer:

aproximately 41 yards

Step-by-step explanation:

the equation equals 40.8 yards, rounded up is 41

Is this correct? If not plz get answers 25points!!!

Answers

That is correct.

Sqrt 5 x sqrt20

Apply the radical rule to get sqrt( 5 x 20)

Simplify to get sqrt(100)

Sqrt(100) = 10

One Solution, Infinite Solutions, No Solution

Answers

Answer:

options?

Step-by-step explanation:

gib options

what is another way to write 2.24 x 100

Answers

Answer:

224

Step-by-step explanation:

2.24*100 is 224

You can do it two ways.

First way: use a calculator

second way: multiply it out with normal multiplication

third way: Each zero is one place. There are two zeroes in 100. So in 2.24, you move the point (dot) to the right TWO TIMES. THat makes it 224.0, which is basically 224.

State the segment that represents the image, based on the information given.

Answers

Answer should be D. CPA

The clockwise rotation of ΔAPG about 90 degree gives ΔCPA.

What is Rotation?

Each point in a figure is transformed into a rotation by rotating it a specific amount of degrees around another point.

Given:

We have ΔAPG.

Now, we have to rotate about 90 clockwise rotation.

Then, ΔAPG will overlap on ΔCPA

Hence, the clockwise rotation of ΔAPG about 90 degree gives ΔCPA.

Learn more about Rotation here:

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Can somebody help me with this problem

Answers

Answer:

42/6=7

Step-by-step explanation:

You are dividing 42 by 6, since only 6 can sit at a table

6 divided by 3 1/3?
1 20
2 1 4/5
3 2

Answers

Answer:

1 4/5

Step-by-step explanation:

14/5

Step-by-step explanation

The length, width and height of a rectangular prism is given as 15 cm, 10
cm and 5 cm respectively. What is the volume of the prism? *

A) 30cm3
B)150cm3
C)750cm3
D)750

Answers

Answer:

Its option C

Step-by-step explanation:

to find the volume you multiply the length, width and height together.

C is the correct answer.

Why?

Volume is calculated by multiplying a, b and c
V = a x b x c
V= 15 cm x 10 cm x 5 cm
V= 750cm^3

Do note that since we are finding the volume, the proper measurement would be cm^3

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Simplify: 3 [23 + (4 – 2)3 – (6 - 2)2] O A. 3 o B. 12 D. 24 O o E-3

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Simplify:
3 [23 + (4 – 2)3 – (6 - 2)2]
O A. 3
o
B. 12
D. 24
O o
E-3