Expressions and Equations Unit Review
Solve
3w-4-w+4
2 2x - 3 - 26- x) + 7x
3 3(
33x) = 2(x+3) 30
4r + 3 = 4x 12
Answers
makee me your freind
make it to the meeting
Related Questions
11. A survey of students showed that of them will try the new cafeteria foods. If 180 students are given a new cafeteria food, how many of them will try it? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.
Answers
Answer:
Im kinda confused on this too
Step-by-step explanation:
4. A student earned an 80% on a math test. If she got 16 questions correct, how many problems were on the test? A. 13 questions B. 18 questions C. 20 questions D. 22 questions
Answers
Answer:
20 questions on the test so C
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
16*100/80
1600/80=20
PLZ HELP QUICKLY THANK YOU
The interval for this number line is_____.
A.3
B.5
C.4
D.6
Answers
Answer:
A: 3
FLVS... its right trust
100 POINTS!!! PLEASE ANSWER WILL GIVE BRAINLIEST TO WHOEVER GETS QUESTION RIGHT.
A rectangle has a perimeter of 58 inches. The length is 1 inch more than 3 times the width. Write a linear system to model the scenario using w to represent the width of rectangle and l to represent the length of the rectangle. Find the length and width of the rectangle.
Answers
Answer:
659
Step-by-step explanation:
Answer:
Step-by-step explanation:
Solve for g. If you can please add an explanation
Answers
Answer:
g=7
Step-by-step explanation:
your goal is to isolate the g
times g/-4 by -4/1 the -4 cancels out the other one so you are just left with g
move the g to the other side of the equation then move the 3 and it to the -5 and then multiply the whole thing but -1 to make the equation positive
Suppose y varies directly with x and y = 72 when x = 6. What direct variation equation relates x and y? What is the value of y when x = 102
Answers
Answer:B
Step-by-step explanation:
I’m not sure why
please HELPPPPPPPPPPPPP
Answers
25.13274122.
....................
Order 67% , 3/4 , 0.7, and 3/5 in order from least to greatest
Answers
Answer:
3/5, 67%, 0.7, 3/4
Step-by-step explanation:
3/4= 75%
3/5= 60%
67%
0.7= is equivelent to 70%
Ben purchased lunch today at the school cafeteria for $5.00. Before today, Ben owed $10.00 on his lunch account. What is the status of his lunch account after today?
Answers
Answer:
-$15.00
Step-by-step explanation:
simple math bro
Heather purchased a prepaid phone card for $30 . Long distance calls cost 14 cents a minute using this card. Heather used her card only once to make a long distance call. If the remaining credit on her card is $28.18 , how many minutes did her call last?
Answers
Answer:
30- 28.18= 1.82 (original amount minus the amount remaining)
1.82/0.14= 13 (how much was spent off the card divided by how much each minute costs)
she was on the call for 13 minutes
please help!! ill mark brainliest if correct as a christmas present but please help! :))
Answers
Answer:
(0.5 -2.5)
Step-by-step explanation:
B is at (1, -5). A dilation by 0.5 means that these coordinates are multiplied by 0.5 each.
So 0.5(1) then 0.5(-5) = (0.5, -2.5)
Out of 30 students in Mohammed's class, 40% are girls. How many are boys?
Answers
Answer:
18 boys
Step-by-step explanation:
30*0.4= 12
30-12=18
HELPPP!!!???PLEASE HELPPP!!
Answers
Answer:
[tex]\frac{5}{14}[/tex] [tex]or[/tex] [tex]0.357142857143[/tex]
Step-by-step explanation:
__________________________________________________________
[tex]\frac{2}{7}\div\frac{4}{5}[/tex] = [tex]\frac{5}{14}[/tex] [tex]because[/tex],
[tex]\frac{2}{7}[/tex] = [tex]0.285714285714[/tex]
[tex]\frac{4}{5}[/tex] = [tex]0.8[/tex]
[tex]0.285714285714[/tex] [tex]\div[/tex] [tex]0.8[/tex] = [tex]0.357142857143[/tex]
[tex]\frac{5}{14}[/tex] = [tex]0.357142857143[/tex]
__________________________________________________________
Hope this helps! <3
__________________________________________________________
Answer:
it is A
Step-by-step explanation:
Multiply them then divide them by 2
What is the place value of the 7 in 4.704
Answers
Answer:
it is in the tenths place :)
Step-by-step explanation:
hope this helps you <3
Answer:
tenth place
Step-by-step explanation:
please help it is due today
Answers
Answer:
so it equation a= 0.2
Step-by-step explanation:
Answer:
The first one (a = 0.2 x 150). And a = 30
Step-by-step explanation:
To find a percentage of a number, you multiply it by 0.10 for 10%, 0.20 for 20%, and so on. Since a is the unknown number, that makes the first option correct. Now, we multiply .2 and 150 to get 30. That is the answer to the second part.
Ann drove 638 miles in 11 hours.
At the same rate, how many miles would she drive in 9 hours?
Answers
Answer:
638 miles / 11 hours = 58mph
So if he is traveling at 58 miles per hour for 7 hours, multiply the two numbers. 7(58) = 406
At the same rate of speed, Eric would travel 406 miles in 7 hours.
Step-by-step explanation:
I hope you undertand it
Answer:
522
Step-by-step explanation:
638 miles.......11hours
x miles ............ 9 hours
x = 638 * 9 / 11 = 522 miles
HELP! WILL GIVE A BRAINIEST! 15 POINTS!!!!
Answers
Answer:
3 units
Step-by-step explanation:
what's the slope between (5,-2) and (-7,22)
Answers
Answer: The answer is: -2
Step-by-step explanation:
Here, suppose
(5,-2)=(x1, y1)
(-7,22)=(x2, y2)
Now, use the slope equation to find slope(m).
y2-y1=m(x2-x1)
or,m=y2-y1/x2-x1
After this, just substitute the values from above.
A family is calculating the cost for one semester of college next year. Each hour of class will cost $155. A
scholarship gift of $64 can be deducted from costs. If h is the number of hours taken, and c is the total cost,
which equation can be used to calculate the total tuition costs for a semester?
Answers
Answer:
h x c
Step-by-step explanation:
A restaurant starts with 10 dozen
pieces of cornbread. Every order
receives 2 piece of cornbread. At the
end of their lunch rush, there are 28
pieces of cornbread left. How many
orders did the restaurant take?
Answers
Answer:
46 orders.
Step-by-step explanation:
(10*12) - 2x = 28
120 - 2x = 28
-2x = 28 - 120
-2x = -92
x = -92/2
x = 46
Find the coordinates of quadrilateral "WXY' after a dilation with the scale factor of 2.
Original coordinates:
V(6, 2), W2,4), X-3, -2), Y(3, -5), scale factor of 2
8
W
0 -86
10
12
NEED HELP ASAP
Answers
Answer:
2,1
Step-by-step explanation:
Answer: no
Step-by-step explanation:
At a store, a hat has a regular price of x dollars. During a sale, the price of the hat is discounted by 20%. The expression 0.8x describes the discounted price, in dollars, of the hat. Which expression also describes the discounted price, in dollars, of the hat?
Answers
Answer: D) x - 0.2x
Step-by-step explanation:
The hat has a regular price of x dollars.
This price is reduced by 20% so the relevant expression for the discount is; 20% * x or; 0.2x
The discounted price will be the price of the hat less the discount which means the formula will be;
= Price - discount
= x - 0.2x
Helpppppppppppppppppppppppp
Answers
Answer:
t0qjg9gkrgrgfr
Step-by-step explanation:
rgrgrgrgrgrgrgrgrg
Answer:
I believe the answer is a 25
Step-by-step explanation:
i learned this last year on I ready and I believe you divide each side in a half and thats the answer so it should be a
which expression is equivalent to 15 - 5x? select all that apply
A -5(x - 3)
B 3(5-x)
C -5(3- x)
D -(-5+2x) + x
Answers
get rid of the parentheses. You would then see which choices match up with 15 - 5x. Hope this helps!
A.) -5x + 15 (yes)
B.) 15 - 5x (yes)
C.) -15 + 5x (no)
D.) 5 - x (no)
what are the graphing points
y=3x-8
Answers
Answer:
(0,-8) and (2.6,0)
Step-by-step explanation:
according to desmos
Nohdjxjxhxhxhdhdjdjfjdjdhfhfjfjfj
Answers
Answer:
gfdxkcgftdkrxclfdrkyxcfdretkx
Step-by-step explanation:
I NEED YOUR HELP PLEASE!!
Peer review happens when:
A.your teacher grades your paper and gives you feedback for next time
B.your mom looks at what you wrote and tells you to make some changes
C.a friend or fellow student gives you ideas on how make to make a story even better
D.you keep all drafts of your paper to yourself until you publish it
Answers
Peer editing is your peer (fellow student, someone you know) editing and giving suggestions to make your work better.
Vladas believes that an equation with a squared term is never a function of x. Which equation can be used to show Vladas that his hypothesis is incorrect?
x + y2 = 25
x2 – y = 25
x2 + y2 = 25
x2 – y2 = 25
Answers
Hence , the Vladas hypothesis which is incorrect is x² + y² = 25 which is option (c) .
Pythagoras theorem states that “In a trigon, the square of the flank facet is adequate to the total of squares of the opposite 2 sides“.The equation with a square term is rarely a perform of x declared by Vladas.
This is the statement relating to philosopher theorem that states that square of 2 range|number} is third number , these numbers once assigned to a triangle forms a right angulate triangle , the angle between 2 smaller sides is of 90°.
Among the four hypothesis given:
Option (C) : x²+ y²= 25 which is true.
Learn more about Pythagoras theorem here:
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You prepare 10 scoops of dog food for 5 dogs, and prepare 16 scoops of dog food for 8 dogs. What
is the constant of proportionality for the amount of dog food to the number of dogs? How many
scoops of dog food should you prepare for 6 dogs?
Answers
Answer:
12 scoops of dog food are needed for 6 dogs,
Step-by-step explanation:
Proportions
The number of scoops of dog foods and the number of dogs are proportional variables.
We are given that 10 scoops of dog foods are used for 5 dogs. This gives a proportion of 10/5=2 scoops per dog.
We also know that 16 scoops are used for 8 dogs. The proportion is also 16/8=2 scoops per dog.
Thus, the constant of proportionality is 2.
For 6 dogs, you need to prepare 2*6 = 12 scoops of dog food.
12 scoops of dog food are needed for 6 dogs,
what is the greatest common factor of 7 and 21
Answers
Answer:
7
Step-by-step explanation: calculate the prime factors of 7 and 21, than find the greatest common factor
The greatest common factor of 7 and 21 is 7.
What is Number system?A number system is defined as a system of writing to express numbers.
To find the greatest common factor (GCF) of 7 and 21, we can list the factors of each number and identify the largest factor they have in common.
The factors of 7 are 1 and 7
The factors of 21 are 1, 3, 7, and 21.
The largest factor that they have in common is 7.
Therefore, the greatest common factor of 7 and 21 is 7.
To learn more on Number system click:
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