Please help

.....................................................

first question:

Which mathematical property is demonstrated?

5⋅7⋅4=5⋅4⋅7


associative property of addition

commutative property of addition

commutative property of multiplication

associative property of multiplication

...................................................................................

2nd question:

Which expressions are equivalent to 4⋅(7⋅y)?

(choose all correct answers)

1. (7⋅y)⋅4

2. 4⋅7+4⋅y

3. (4⋅7)⋅y

4. 28y

5. 4⋅7⋅4⋅y

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Last question
is 3(a−b) and 3a−3b Equivalent? yes/no


is 2a(2+b) and 4ab Equivalent? Yes/no


THANK YOU!!!

Answers

Answer 1

Answer:

commutative property of multiplication

.........................

1, 3, and 4

................................................................

yes

no

Answer 2
1. Commutative property of multiple cation
2. 1; 3; 4
3. Yes; no

Related Questions

The scatterplot below shows the relationship between the number of gallons of gasoline in the tanks of 14 cars, and the maximum number of miles the cars can be driven on the given amount of gasoline.

Gasoline
A graph has gallons in gas tank on the x-axis and maximum miles on the y-axis. A line goes through points (9, 280) and (12, 360).

Based on the data collected, which combination of gallons in the gas tank and maximum number of miles seems most likely to be possible?


I DONT KNOW HOW TO INSERT A PICTURE BUT PLZ HELP will MARK AS BRAINLIST!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

How u insert a image=When u ask a question there should be a paperclip looking thing click that and you can insert a image

B.9 gallons in the gas tank and 280 miles.

From the given figure we see that the line of best fit passes through the point (13,400) and (17,520)

We know that the equation of a line passing through two point (a,b) and (c,d) is calculated by using the formula

y - b = d-b/c-a x (x-a)

Here we have:

(a,b)=(13,400) and (c,d)=(17,520)

Hence, the equation of line of best fit is: y - 400 = 520 - 400/17-3 x (x - 13)

y-400=120/4 x (x-13)

y=400=30x(x-13)

y-400=30x-390

y=30x-390+400

If u want to check your answers

0 gallons in the gas tank and 20 miles

when x=0 we have:

y=10≠20

Hence, option: A is incorrect.

B)

9 gallons in the gas tank and 280 miles .

when x=9 we have:

y=30×9+10

y=280

Hence, option: B is correct.

C)

11 gallons in the gas tank and 360 miles

when x=11; we have:

y=30×11+10

y=340≠360

Hence, option: C is incorrect.

D)

19 gallons in the gas tank and 520 miles

when x=19; we have:

y=30×19+10

y=580≠520

Hence, option: D is incorrect.

Which sequence is represented by = 10 − 29 where x represents the term number and y represents the term?

1, -28, -57, -86, …

-29, -19, -9, 1, …

-19, -9, 1, 11, …

10, -19, -48, -77, …

Answers

D might be the correct answer

please answer right ill give brainliest

Answers

Answer:

A:24 photos per day

Step-by-step explanation:

your welcome

Answer:

sorry i was on the phone answer is 44

Step-by-step explanation:

Which of the following best describes GCF?

a
Greatest Common Factor, factors that multiplied together give you that number or factors that the number can be divided by, that number or smaller
b
Greatest Common Multiple, factors that multiplied together give you that number or factors that the number can be divided by, that number or larger
c
Least Common Multiple, factors that multiplied together give you that number or factors that the number can be divided by, that number of smaller

Answers

Answer:

a

Step-by-step explanation:

A is the correct answer

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 80 times in 4 minutes. What is her blinking rate, in blinks per minute?

Answers

Answer:

20 tpm

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

because u need to devide-      i suck ik- i tried tho-

During a sports competition, students participated in races of various distances. The data is shown in the frequency table. What is the range of lengths of the various races?

Answers

Answer:

150

Step-by-step explanation:

I believe the lengths are on the left and to find a range you subtract the largest and smallest numbers. In this case the largest number is 200 and the smallest is 50.

And 200-50=150

Hence, the range is 150.

what is range?

The range is the difference between the largest and smallest numbers. The midrange is the average of the largest and smallest number.

How to solve?

We know that,

highest distance(meters) = 200

lowest distance(meters) = 50

Hence, Range = 200-50 = 150

To learn more about range: https://brainly.com/question/16241688

#SPJ2

I need help with my math work please help please use explanation
Jenisse went running at the Holyoke High School track. She ran 4 miles in 31 minutes at a constant speed.
(A)What’s the unit rate for this ratio, written as a fraction? (How many minutes per mile?)
(B)How many minutes would it take for her to run 6 miles, written as a fraction?
(C)How many minutes would it take for her to run 10 miles, written as a fraction?

Answers

Answer:

all i know is A is 12 miles per hour

Step-by-step explanation:

READ THIS VERY VERY CAREFULLY.
Please and thank you.

Answers

Answer:

5

Step-by-step explanation:

59.95 ÷ 11.99=5

need help with 7, 8, and 9 plz :]

Answers

7 .is 9 to the power of 8,number 8 is 5,number 9 is 5m^2n

can someone help me wth this

Answers

The answer for Y=3x or graph four

NEEEDDDD HEELPPP PLEASSEEE

Answers

Answer:

7\x

Step-by-step explanation:

3.4 I did it thwbentndnajaona she haja quad

Please answer! Give explanation to and follow steps to question. Tysm!!

Answers

Answer:

Yes, they have enough butter.

Step-by-step explanation:

0.2 kg = 200 g

200 g > 125 g

Stacy buys 3 CDs in a set for $30.38. She saved $6.34 by buying the set instead of buying the individual CDs.

If each CD costs the same amount, how much does each of the 3 CDs cost when purchased individually?

Each CD costs $--------

Answers

each CD costs $12.24 when sold individually

1. we add together 30.38 and 6.34 to get the full price when purchased individually

2. then you would divide $36.72 by three to get the individual cd price which is $12.24

i hope this helped :))

$12.24 for each CD
Explain answer:
I did this before just trust me ;)

PLz help btw it all in the question

Answers

Answer:

a - a

b - b

c - b

d - a

Step-by-step explanation:

Answer:

A goes to diagram A

B goes to diagram B

C goes to diagram B

D goes to diagram A

I Need Help ASAP PLEASEEEEEEEee
What is the meaning of X

-16 + x = -15

Answers

Answer:

x = 1, your x is your answer.

Step-by-step explanation:

Add 16 on both sides to get your x value which is 1.

Three out of every five students wore green on St. Patrick's Day. What percent of the students wore green?

35%
75%
60%
80%

Answers

Answer is =60%
hope this helped

Answer:

60%

Step-by-step explanation:

Which of the following values for x is true for 4x > 10


x = 34


x = 2


x = 2.5


x = 3
help!

Answers

Answer:

2.5

Step-by-step explanation:

its just 4 x x so you just times 2.5 by 4

Answer:

you can put 34 or 3 your choice!

Step-by-step explanation:

Ok so how you would find this out is first you put 4(x)>10

and you'll swap out the x for each number choice and 2.5 is the one that fits...

4(34)>10 = 136>10 yes

4(2)>10 = 8>10 well no bc 8 is less than 10

4(2.5)>10 = 10 = 10 not 10>10 so no

4(3)>10 = 12>10 yes

ALWAYS REMEMBER WHEN DOING THIS THE "ALLIGATOR" (WHICH IS THIS THINGY >) ALWAYS OPENS ITS MOUTH TO THE BIGGER NUMBERS

ex: 10>5 and 5<10

An irregular polygon is shown below:




The area of the irregular polygon is ____ square units.

Answers

The answer is 26 square units

Answer:

26 Units Squared

Step-by-step explanation:

We can split the polygon into different sections the first section 4 units * 4 units = 16 units squared then by analyzing the other section we can find it is 5 units by 2 units = 10 units added together is 26 Units Squared

Please help! thank you so much! :)

Answers

It’s either A or B
6^2= 36
8^2= 64
36+64=100

Answer:

c is correct

Step-by-step explanation:

yall know the drill ;)

Answers

Answer:

-0.5 is probably right I'm not 100% sure

.4
Explanation: 1 + -.9 = .1
.1 / -.5 = -.2
.2 - (-.2) = .4

xxx yyy
5.85.85, point, 8 5.85.85, point, 8
7.57.57, point, 5 7.57.57, point, 5
11.211.211, point, 2 11.211.211, point, 2
Find the constant of proportionality (r)(r)left parenthesis, r, right parenthesis in the equation y=rxy=rxy, equals, r, x.
r =r=r, equals

Answers

Answer:

What kind of math question is this? plus I don't evn know th answers to all that. (Confused look on the face)

help me with this please i will crown brainliest :). even if it answer is wrong

Answers

Answer:

hi

Step-by-step explanation:

can i have brainliest

What is the question?????

Ezra grew 120 plants with 40 seed packets. With 84 seed packets, how many total plants can Ezra have in his backyard? Solve using unit rates.

Answers

252 total plants. I divided 120 by 40= 3 so I multiplied 84 by 3 = 252

Jada's dog ran 20 laps around the track and then a quarter of that again. How far did Jada's dog run in all? *

Answers

Answer:

25 laps

Step-by-step explanation:

The dog ran 20 laps and a quarter of 20. 20 divided by 4 equals 5 so it would be 20+5 which equals 25

Please help I will give brainliest and 11 points!!

Answers

Answer:

[tex]-64y^{2}[/tex]

Step-by-step explanation:

You first multiply (-4)^3, then add the exponents of y, which is [tex]y^{2}[/tex].

Answer:

-4^3*y^2

Step-by-step explanation:

Because there are 3 “-4”s being multiplied it would be to the power of 3.

Because there are 2 ”y”s being multiplied it would be to the power of 2

Then you just need to multiply them together.

By what percent will the product of two numbers increase if one of them is increased by 30% and the other is increased by 60%?

Answers

Answer:

90%

Step-by-step explanation:

I think 90% this question is worded very different from questions I’ve answered

she put out two more recovery tests smh

Answers

Answer:

C - 8

Step-by-step explanation:

I NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

I think it means that you can fit five chairs in one round table.

Step-by-step explanation:

I looked for the ratio or whatever it is called and I found on the graph that 2 round tables can fit 10 chairs and half of that would be 5:1.

You got the answer now

HELP PLEASE I WILL GIVE YOU BRAINLIEST

Answers

The answer is 600 because of the miles

Use the distributive property to expand 0.05(50 + 40).

Answers

Answer:

4.5

Step-by-step explanation:

0.05(50+40) = 0.05 x 50 + 0.05 x 40 = 2.5 + 2 = 4.5

i hope this helped, and if it did, please mark this as brainliest! thanks

Your answer is 4.5

Explanation-

.05•50= 2.5

.05•40= 2

Add them together and get 4.5
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