Mathematics Middle School

1. Find the value of each expression. Show your work.
(a) 1.2^2
(b) 2^3 + 17-3x4
(c) 9^2 divied by 3^3

Answers

Answer 1

Answer:

a) 1.44

b) 13

c) 3

Answer 2

Answer:

a) 1.44

b) 13

c) 3

Step-by-step explanation:

a) 1.2 • 1.2 = 1.44

b) (2 • 2 • 2) + 17 - (3 • 4)

   (8) + 17 - 12

   8 + 5 = 13

c) (9 • 9) ÷ (3 • 3 • 3)

   81 ÷ 27 = 3

Hope this helps!

Related Questions

Change each improper fraction to a mixed number.
Enter your answer in simplest form.
2.
62/7
Question 3
1 pts

Answers

you divid the top by the bottom and get 8.8571
divide and you’ll get 8.8571

Can anyone help me out with this question

Answers

Answer:

70

Step-by-step explanation:

The % itself stands for a ratio of 100, so 70% would be 70/100

Answer:

70/100

Step-by-step explanation:

This is because if you break down a percantage, it is just a fraction or decimal. The numerator is 70 because 70/100 = 0.7

0.7 is just the decimal form of the percent "70%"

52
5 halves

−52
negative 5 halves

−25

Answers

Answer:

its the one you have clicked on

Step-by-step explanation:

It’s 5/2 (Answer A) because it is not negative there fore it is none of the others

The band wants to order T-shirts. The T-shirts cost $15 each plus a shipping fee of $10. Write an expression to find the total cost of c T-shirts.

Answers

Answer:

t(15)+10=c

Step-by-step explanation:

x = t shirt
c = cost

(x * 15) + 10 = c

Pls help me and thank you!

Answers

The answer is x=46 because I know math
x=46 I think I’m not sure tho

A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. The perimeter is 19 inches.

What is the measure of x?

5
3
9
2

Answers

Answer:

x=9

Step-by-step explanation:

x + x - 4 + x - 4 = 19

3x - 8 = 19

3x = 19 + 8

3x = 27

x = 9

Answer: x=9

Step-by-step explanation:

There are three sides 2 that are x-4 and 1 that is x. The equation would be

x+2(x-4)= 19 so you would simplify to get

X+2x-8=19 then 3x=27 then divide by three to get x=9

What are the two ways you could write a constant of proportionality equation?

Answers

You can write y = kx and kx = y and it means the same thing.
She is right just put what she said and you should be fine

Select all the expressions that are equivalent to –8.
A)80100
B)–800100
C)80 ÷ (–10)
D)–80 ÷ (–10)
E)−80−100

Answers

Answer:

The only one I can see right now is (C)

Step-by-step explanation:

Because a positive divided by a negative is negative, so 80/-10 is -8.

For A and B the numbers dont seem to make sense, are there any equations in middle of the numbers? I can help in comments if you tell me.

The expressions that are equivalent to –8 is only option C i. e 80 ÷ (–10)

What is Expression?

Expression is a combination of operators, variables and numbers

Two expressions are said to be equivalent when we solve both we get the same answer.

For A and B the numbers dont seem to make sense, are there any equations in middle of the numbers

For option C, –8 is equivalent to 80/-10 because a positive divided by a negative is negative, so 80/-10 is -8.

For option D, –8 is not equivalent to -80/-10 because a positive divided by a positive is positive, so -80/-10 is 8.

So option C is equivalent to -8.

To learn more on Expressions click:

https://brainly.com/question/14083225

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I will give brainyest

Answers

2 Large Box=6.24

3 Small box=5.04Answer:

0.14

0.13

0.01

0.48 or -1.2

Step-by-step explanation:

Easye as pie

16 ounce is 2.24

24 ounce is 3.12

ok 2.24/16

0.14 price per ounce

for first one

now second one

3.12/24

0.13price per ounce

second one

0.14-0.13=0.01

for last question

2 large boxes=6.24 dollars

each large box=24ounces

2 boxes=48

0.13*48=6.24

6.24 dollars for 2 large boxes

3 small boxes=5.04

0.14 each ounce and 12 each small box

so 12*3=36

36*0.14

5.04

so if the smalle box had 48 ounces it would costs 6.72

2 Large Box=6.24

3 Small box=5.04

-1.2

now into the ounces

6.72-6.24

0.48

0.14
0.13
0.1
0.48
1.2

Representing Relationships and Functions

pls i need help

Answers

a- g= 28.4o
b- 4,260 grams
a- g=24.4—- b- 42,60

solve 2x +6 < 10 I WILL GIVE BRAINLIEST IF ANSWER IS CORRECT!!

Answers

Answer: x<2

Step-by-step explanation:

You subtract 6 from both sides

2x+6-6<10-6

2x<4

Then divide both sides by 2

Graham is folding a piece of paper to make an origami figure. Each time he folds the paper, the thickness of the paper is doubled. The paper starts out flat, with a thickness of 3 millimeters.
A. Write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. Explain how you came up with your ordered pairs.
B. Is this relation a function? Explain why or why not using the ordered pairs you came up with in Part A.

Answers

Answer:

I just did this on my flvs exam! A:

The ordered pairs are

0,3

1,6

2,12

3,24

4,48

5,96

B: this is a function, because for each output value, there is exactly 1 input value

Step-by-step explanation:

Notice how output values are added to eachother as they increase

Which is true about the solution to the system of inequalities shown? y > 3x + 1 y 3x + 1 are solutions. Only values that satisfy y 3x + 1 or y < 3x – 3 are solutions. There are no solutions.

Answers

Answer:

there are you just got to find them

Its A because 3x+1y and the other ones wouldn’t be

There are 5,280 feet in 1 mile. If Riley ran 26,400 feet, how many miles did she run? [Type your answer as a number.]

________ miles

Answers

Answer:

Step-by-step explanation:

5,280=1mile

26,400=26,400/5,280

5miles.

Answer:
Riley ran 5 miles

Step-by-Step:
If in 1 mile there is 5,280 feet and Riley ran 26,400ft we can divide 5,280 and 26,400 to find how many miles she ran. 5,280 / 26,400 = 5. Riley ran 5 miles

Which of the following expressions represents the phrase "six added to five times a number"?
O6+5x
O6+5+x
O5+6x
o 11 x

Answers

It’s a because 6 is being add to 5 which is being multiplied with x

An equestrian club orders magazine subscriptions for new members.
Last year they had 32 new members and spent $624 on subscriptions.
Use the equation 32m = 624 to find the cost of each subscription.
Enter your answer in the box.
GIVING BRAINLIEST

Answers

Answer:

19.5

Step-by-step explanation:

You simply divide 624 by 32

The answer is $19.50. Because if you divide 624 (total cost) by 32 (number of subscriptions) you get 19.50 ( cost per subscription)

100) slope and y-intercept , answer ASAP ( I will give extra points)

Answers

Answer:

now this one i don't understand. i got the last one but not this one.

Step-by-step explanation:

Let a = 4 and b = 3. Select from the drop-down menu to create a true statement. 2ab+b2 ​ > 3a2– Choose... A. 2 B. 2b C. 4a D. 4b

Answers

Answer:

   the first one is correct

Step-by-step explanation:

Your answer would be La La La

Determine whether the graph represents a proportional relationship.

Yes, it is a proportional relationship because the graph goes through the origin
No, it is not a proportional relationship because the graph does not go through the origin
Yes, it is a proportional relationship because the graph is a straight line
No, it is not a proportional relationship because the graph is not a straight line

Answers

No, it is not a proportional relationship because the graph does not go through the origin

It doesn't go threw 0 so it isn't one!

Answer:

Step-by-step explanation:

No, it is not a proportional relationship because the graph does not go through the origin

A and B are numbers A+B=0. What is true about integers A and B?​

Answers

B and A are a zero because you can’t use those numbers in an equation and get an answer
A and B could both be 0 or they can be the same number but one has to be negative and one has to be positive here are some examples
A= -81
B= 81


A= 12
B= -12

I NEED A ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ms. Koehl used to be a waitress. She gets tipped 220% on her bill.

What is 220% as a fraction and decimal?

Answers

Answer:2.20 and 2/200

Step-by-step explanation:

Answer:

2.2

Step-by-step explanation:

Which expression best defines a rational number?

A. has a decimal form that can be rounded
B. has a decimal form that cannot be rounded
C. has a decimal form that is terminating or repeating
D. has a decimal form that is nonterminating and nonrepeating

Answers

A for sure because it can be

Rational numbers are terminating or repeating numbers. Therefore, option C is the correct answer.

We need to check from the options which expression best defines a rational number.

What are rational numbers?

Rational numbers: Rational numbers are in the form of p/q, where p and q can be any integer and q ≠ 0. This means that rational numbers include natural numbers, whole numbers, integers, fractions of integers, and decimals (terminating decimals and recurring decimals).

Rational numbers can be easily identified with the help of the following characteristics.

All integers, whole numbers, natural numbers, and fractions with integers are rational numbers.If the decimal form of the number is terminating or recurring as in the case of 5.6 or 2.141414, we know that they are rational numbers.In case, the decimals seem to be never-ending or non-recurring, then these are called irrational numbers.

So, from the definition, we understood that rational numbers are terminating or repeating numbers.

Therefore, option C is the correct answer.

To learn more about rational numbers visit:

https://brainly.com/question/17450097.

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Mary is 21 years old. Her age is 9 years more than 3 times Henry’s age. Which equation can be used to determine x, Henry’s age in years?

HELP ASAP PLEASE

A: 3x + 9 = 21
B: 21 + x = 3(9)
C: 9 + 21 = 3x
D: x + 9 = 21

Answers

Answer:

i think its a

Step-by-step explanation:

Answer:

21 = 9+3x or A

Step-by-step explanation:

the answer is a :)

Read The Question On The Following PNG

Answers

A. 9.42 I think would be the answer

Please help! I will give brainliest! Thank You!

Answers

Answer:

c

Step-by-step explanation:

Answer:C

Step-by-step explanation:

This box is a right rectangular prism with a base that has dimensions of 6 m and 7 m. The volume of the box is 378 m3. What is the height of this box?

Answers

Answer:

29.07m³

Step-by-step explanation:

7+6=13

378÷13=29.07m³

Answer: 9

Step-by-step explanation:

i got it right

Why are we unable to see x-rays?

btw I know this is not math but I put it as math because if I put it as physics no one would see it ;-;

Answers

Answer:

they're similar to visible light except their wave length is much shorter, causing them to be invisible to the naked eye

Answer:

We are unable to see x-rays because x-ray light it is too blue for us to see.

Step-by-step explanation:

Too much blue light can cause retina damage to the eye or eye strain. Their are kinds of lens that help protect you from blue light. There are good things about blue light but this is why we can't see x-rays.

I hope this helps!

can you please help me? I'm stuck.

Answers

Answer:

B

Step-by-step explanation:

hi! thats ok! so for zero slope, graph any horizontal line. then for positive slope, graph a line going from the bottom left to the top right. lastly for negative slope, graph a line going from the top left to the bottom right. hope this helps! :)

Plz and thank you I need help

Answers

Answer:

ummm there is nothing

Step-by-step explanation:

it’s not working right :/

am I a loser, if so don't hold back just say it

Answers

Answer:

Loser

Step-by-step explanation:

Answer:

I don't know.

Step-by-step explanation:

I've never met you, so how would I know?

But the real question is. . .

Do you like ice cream?

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