Please help
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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
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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!!!
Answer:
commutative property of multiplication
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1, 3, and 4
................................................................
yes
no
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
Answer:
What kind of math question is this? plus I don't evn know th answers to all that. (Confused look on the face)
Need help with this please (I’ll give brainlist to the correct answer )
Answer:
Form: Standard form
Key parts: 2 is the slope/roc, x is the variable, and 1 is the y intercept/b term
Step-by-step explanation:
Khan Academy PLEASE SOMEONE HELP FASTTT!!!!
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA this is extra cedit in my class and i need it, can anyone help me out??
Answer:
The answer is A 11x+6=39
Step-by-step explanation:
William left a 20% tip on a $15.80 lunch bill. How much did he pay for lunch?
Answer:
$16 should be the answer
Step-by-step explanation:
Answer:
3.16
Step-by-step explanation:
PLEASE HELP ME ASAP!!
Fifty percent of the area of this rectangle is shaded. What is the area of the shaded region? Explain your thinking.
Answer:
:0
Step-by-step explanation:
What is the final price of an item that cost $14 with a 75% discount
Kristi had $3,250 in her bank account. Currently, she has $2,730 in her account. What is the approximate percent of decrease in her account?
i will give brainliest :)
Lacy saves 45% of her paycheck. If Lacy's paycheck is $680, how much does she save?
Answer:
306
Step-by-step explanation:
u havw to do the formula part whole = % & 100.
45 x 680 = 30600
30600 divide 100 = 306 :)
Please help me I will give you the brain thing with extra points, please help me. 3/5
Answer:
C) (x, y)->(-x, -y)
Step-by-step explanation:
This is a reflection
A zebra runs 20 meters in 4 seconds. At this rate, how many meters does the zebra run in 60 seconds?
A.
300
B.
240
C.
120
D.
80
Please help me I will give you the brain thing with extra points, please help me. 1/5
Sean bought his house at $200,000 two years ago. He is now
selling it for $267,000. What is the percent markup?
A) 2% increase
B) 25.1% increase
C) 33.5% increase
D) 67% increase
Answer: 33.5%
Step-by-step explanation:
common sense
Part 2#
Practice (need help with 1 2 and 3)
Answer:
1- 14
2- 24
3- 56
Step-by-step explanation:
its multiplied by 2 each time
Answer: 14, 24, 49
You just do as the attern tells you
Elena has 80 trading cards in her collection. If 15%
of her cards are baseball cards, how many of Elena’s trading cards are baseball cards?
3
4
of the rabbit cages. He will clean the rest of the rabbit cages on Friday. Which equation shows the total number of rabbit cages that will be cleaned on Friday?
5 The smallest angle of a triangle, in degrees, is p.
The second angle is 4 times the smallest angle.
The third angle is 5 times the smallest angle.
a Write an equation for the angles in the triangle in terms of p.
b Find the size of the largest angle in the triangle.
b in paticular
Answer: b = 90
Step-by-step explanation:
Full triangle is 180
5 + 4 = 9 + 1 (the smallest angle)
180 ÷ 10 = 18
First and smallest angle is 18
p= 18
Second angle is 72
18 × 4 = 72
Thrid angle is 90
18 × 5 = 90
b = 90
18 + 72 = 90 + 90 = 180
Simplify 6(x + y) + (x - y).
6x
7x
7x + 6y
7x + 5y
Answer:
If these are the answers then the last one should be right
Step-by-step explanation:
prove me wrong
Answer: 7x + 6y
Step-by-step explanation:
i think this is right
What is the value for "m" that makes the equation true?
9 =[tex]\frac{3}{8}[/tex]m
m = ?
what is an example of a negative number and a non-example of a negative number? plz this is for homework
Answer:
-2, non negative is 2
Step-by-step explanation:
hope this helps and good luck on homework
Answer:
like -2 and 2
Step-by-step explanation:
I will give brainilist!
Answer: 1/3
Step-by-step explanation:
So, this is hard for me ;(( But can you guys help me???
Answer:
this is too large
Step-by-step explanation:
I'll only ans for more points
HELP PLZ I WILL GIVE BRAINLIEST!!! Write the prime factorization of 675 using exponents.
Answer:
33*52
Step-by-step explanation:
Select all that apply.
Green pencils are priced at $1.28 for 4. Blue pencils are priced at $5.52 for 24. Which of the following statements are true?
The unit rate for green pencils is $0.32
The unit rate for blue pencils is $0.28
The green pencils are priced less per pencil
The blue pencils are priced less per pencil.
need an expert verified answer
Answer:
The first and third is correct.
Step-by-step explanation:
I'm not a expert but I know its right.
Will Award Brainliest!!!
Answer: x = 13
Step-by-step explanation:
x + 2x - 1 = 38
3x = 39
x = 13
Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 126 times in 7 minutes. What is her blinking rate, in blinks per minute?
Can someone help me on this question? Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Together they made 13 resolutions. How many resolutions did Harry make?
Answer:7 I think
Step-by-step explanation:
Need some help here please
A group of 80 students was asked to share how they get to school most of the time. The following circle graph represents their answers to the question. How many of the students walk to school most days?
0
24
20
25
whats 1/4x1/4x1/4x1/4 please
Answer:
0.00390625
Step-by-step explanation:
If you use the calculator, you'll find the answer.
Answer:
The answer is [tex]\frac{1}{256}[/tex] or [tex]0.004[/tex]
Step-by-step explanation:
hope this helps :)