Mathematics Middle School

Determine whether the two expressions are equivalent. If so, tell what property is applied. If not, explain why.
1. 8 x (4 x 3) and (8 x 4) x 3
2. 17 + 12 and 12 + 17

Answers

Answer 1
1. yes, because pemdas.
2. yes, because commutative property.

Related Questions

Which property of equality is used to solve the equation 5n = 50?

Answers

answer:

the division property of equality

step-by-step explanation:

in order to solve for n we would have to divide

5n / 5 = 50 / 5

n = 10

Answer:

Division Property of Equality.

Step-by-step explanation:

In this case, you will use the Division Property of Equality to solve. Isolate the variable, n, by dividing 5 from both sides:

(5n)/5 = (50)/5

n = 50/5

n = 10

~

HELP ME ASAP !!!!! WILL MARK BRAINLIEST!!!


During a road trip, Daysia keeps track of the time she spends driving, t, and the distance she drives, d. Which best describes the variable t and d ? Choose the correct answer.

a
The variable d, distance is the independent variable because it determines the amount of time spent driving, t.

b
The variable d, distance is the dependent variable because it depends on the amount of time spent driving, t.

c
The variable d is independent of variable t, and variable t is independent of variable d.

d
Both variables are dependent variables because they depend on the speed at which Daysia drives

Answers

The correct answer is a
The answer is A Step By Step :

Please help I do not understand pleasee brainliest!

Answers

For answer 3 you take -4 you put it on -4 on the graph -6 you put it on -6 on the graph 0 you put it on 0 on the graph 3 you put it on 3 on the graph

please help! than you!

Answers

Answer:

1&3

Step-by-step explanation:

both can get a number the same like cuz 4×6=24, 3×2=6 and even if you flip the numbers same answer for both

Select answers from the drop-down menus to correctly complete the statements. A scale factor of _____ was applied to the first triangle to get the resulting image. This scale factor is _____ .

An isosceles triangle with a side length of 3.4. An arrow points to a smaller isosceles triangle with a side length of 1.7.

Answers

Answer: 1.46 and 1.8 is the answer

Step-by-step explanation:

Gabby made a sandwich that is 0.20 meter long. Each bite that she takes has a length of 0.03 meter.What is the length of the sandwich that remains after Gabby takes 3 bites?

Answers

Answer:

0.11 meter

Step-by-step explanation:

0.20m - (0.03m x 3)

0.20m - 0.09

0.11m

I need help images below

Answers

Answer:

25.48 and 289.38

Step-by-step explanation:

if circumference=pi*diameter we can rearrange it with algebra from c=pi*d to say d=c/pi and plug in the values and get the answer. the second one we say since area=pi*r^2 and were given r we plug in the values to find the answer.

The person above me is correct

63.1% of 80 is what?

Answers

50.48 did this help yes no ?
are you sure you didn’t type the wrong numbers? I got 50.48 too

A recipe uses 3/4 cup of water and 2 cups of flour and 1/2 of salt. Write the ratio of salt to flour as described by the recipe. Then find the value of the ratio. the scale of the ratio..

Answers

Answer:

1 : 6

Step-by-step explanation:

Water : flour

⅓ : 2

⅓ ÷ 2

⅙

1 : 6

Romeo has captured many yellow-spotted.....

Answers

i think c, parabolic

Answer:

a. strong

Step-by-step explanation:

i'm pretty sure it's strong because each dot is a different salamander's weight and number of spots, and the line in the middle is a good average. It is not negative because it goes up, and it is not parabolic because it is a straight line. Hope this helps! :)

Drag each equation to show if it could be a correct first step to solving the equation 2(x+7)=36.

Answers

The second is Yes
Sixth is Yes
First is No
Fourth is No
Fifth is No
Third is Not Enough Info
And last x=11

Answer:

Here you go

Step-by-step explanation:

Hope this helps :)

Lisa and her 17 classmates are donating money to a local charity. Each student will donate $5.25. How much money are Lisa and her classmates donating altogether?

Answers

Answer:

$94.50

Step-by-step explanation:

Total No. of students = Lisa(1) + 17 classmates = 1+17 = 18

Money donated by 1 student = $5.25

Money donated by 18 Students = 18*5.25 = $94.50

$94.50
money donated 1 student=$5.25
17+5.25=$94.50

Need help please show work

Answers

The answer is C. 37.5

Please see image below

Answers

Answer:

30

Step-by-step explanation:

Answer:

30

Step-by-step explanation:

I think

When a number is decreased by 4%, the result is 66. What is the original number to the nearest tenth?

Answers

Answer:

68.8

Step-by-step explanation:  

100% = x number  

96% = 66  

so 100%  

= 68.75  

to the nearest tenth is 68.8

68.8 is the correct answer.

The larger the number in standard notation, the ____________ the exponent on base 10.

Answers

Larger I think, sorry if that’s wrong.
The larger the number in standard notation, the larger the exponent on base 10.

The circumference of a circle is 113.04 feet. What is the circle's diameter?
Use 3.14 for ​.

Answers

Answer:

you would do

113.04 divided by 3.14 to get 36.

the diameter of the circle is 36 ft

Answer - 36ft.

113.04 divided by 3.14

Hope this helped❤️❤️

Find the mean, median, lower Q, upper Q, Interquartile range (IQR), mode, and range for the following data:

3, 3, 7, 21, 2, 5, 16, 58, 2, 9, 2, 2







*If there is a decimal, write it to the nearest tenth (1 decimal place)*

Mean:

Median:

Mode:

Range:

Lower Q:

Upper Q:

IQR:

Answers

Mean: 10.8
Median: 4
Mode: 2
Range: 56

That’s all ik sorry ..

Answer:

2, 2, 2, 2, 3, 3, 5, 7, 8, 16, 21, 58

Step-by-step explanation:

mean:  10.8

median: 4

Mode: 4

Range: 56

Lower Q: 2

Upper Q:  12

IQR: 10

plz help i will give branliest

Answers

Answer:

Pick two points on the line and determine their coordinates.

Determine the difference in y-coordinates of these two points (rise).

Determine the difference in x-coordinates for these two points (run).

Divide the difference in y-coordinates by the difference in x-coordinates (rise/run or slope).

Step-by-step explanation:

Can a triangle have three acute angles? Justify your answer.
brainliest

Answers

Answer: Yes!

Step-by-step explanation:

Not only can a triangle have three acute angles (which is very common), you can also get triangles with angles so acute that their total sum is less than 180 degrees! This happens in a 'negative curved space'.

Answer:

Yes It can!

Step-by-step explanation:

If  it has 3 acute angles it means it is an acute triangle!

Determine if each solid is a prism, pyramid, cylinder, cone, or sphere.

Figure A is a ______.

O A.) Cone
O B.) Cylinder
O C.) Pyramid
O D.) Sphere

Figure B is a ______.

O A.) Circle
O B.) Cone
O C.) Cylinder
O D.) Sphere

Figure C is a ______.

O A.) Cone
O B.) Cylinder
O C.) Prism
O D.) Sphere

Figure D is a ______.

O A.) Cone
O B.) Cylinder
O C.) Pyramid
O D.) Sphere

Answers

Figure A is a cone
Figure B is a sphere
Figure C is a cylinder
Figure D cone (I don’t think it’s a pyramid, cus it doesn’t look like it has the sides of a pyramid)

Answer:

A. Cone

B. Sphere

C. Cylinder

D. Cone

Tom has saved $128, and his goal is to save $500. How much more must he save? Which equation BEST represents this situation?
A) x + 128 = 500
B) x - 128 = 500 Eliminate
C) x + 500 = 128
D) x - 500 = 128

Answers

i think the answer is A
A. x + 128 = 500 is the answer

please help !! I need the new equation, the vertex, the zeros, the y-intercept, and the maximum or minimum value

Answers

Answer:

1.py. zeroes

Step-by-step explanation:

please help me..for some reason its not letting me print out the question because it says *dont use such phrases* but anyways

Answers

She can make two triangle gardens with the six pieces of wood she has
She can make 2 triangles because she only has 6 pieces

Write an equivalent expression using the distributive property.
2x + 6

Answers

Answer:

2(x+6)

Step-by-step explanation:

Hopes this helps:

Answer: 2(x+3)

What is the area of this trapezoid?


A. [tex]12\frac{1}{4}[/tex]²
B. [tex]24\frac{1}{4}[/tex]²
C. [tex]73\frac{1}{2}[/tex]²
D. [tex]143\frac{1}{2}[/tex]²

Answers

Answer:

A. [tex] 12 \frac{1}{4} \: {cm}^{2} [/tex]

Step-by-step explanation:

Area Of of the trapezoid

[tex] = \frac{1}{2} (7 + 5 \frac{1}{4} )2 \\ \\ = 7 + \frac{21}{4} \\ \\ = \frac{28 + 21}{4} \\ \\ = \frac{49}{4} \\ \\ = 12 \frac{1}{4} \: {cm}^{2} [/tex]

Please help with this lolll (A, B and, C are NOT answers, they're questions.)

Answers

Answer:

B

Step-by-step explanation:

The answer is b because ¼ can not go in to 2 ½ evenly (A), ¾ can not go into 2 ½ evenly either (c) so the only answer is B!

A = 10 bags
B = 5 bags
C = 3 bags

Sophie bikes at a speed of s MPH and Rana bikes at a speed of r Mph. Rana took a bike ride that was m mile long. How long did she spend biking?

Answers

Answer:

r/m

Step-by-step explanation:

you need to have speed over distance to tell how long rana webt

Answer:

For this problem I got (20/r)-(20/s).  

Step-by-step explanation:

please healp i give brainlyest i give 17 points
how many inches are in 2.5 yards?
A)0.011 inches
B)0.033 inches
C)7.5 inches
D)90 inches

Answers

Answer:

D) 90 inches

Step-by-step explanation:

There are 36 inches in a yard (3 feet)

To find how many inches, multiply the numbers.

2.5 × 36

90 inches

d 90 inches
there’s 3 feet

Can someone help please??/

Answers

Answer:

B. False

Step-by-step explanation:

The correct answer is false
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