Select the property of equality used to arrive at the conclusion. If 5x = 20, then x = 4. the division property of equality the addition property of equality the subtraction property of equality
Answers
Answer: The division property of equality
Step-by-step explanation:
The division property of equality says that if we divide both sides of an equation by the same number then both the sides are still remains equal.
The given statement : - If 5x = 20, then x = 4.
By using the division property of equality the division operation is applied on both the sides of the equation such that both sides are divide by 5 to arrive the given conclusion .
Hence, the property of equality used to arrive at the conclusion = The division property of equality
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Caitlin has a movie rental card worth $175. After she rents the first movie, the card’s value is$172.25. After she rents the second movie, its value is $169.50. After she rents the third movie, the card is worth $166.75. Assuming the pattern continues, write an equation to define A(n), the amount of money on the rental card after n rentals. Caitlin rents a movie every Friday night. How many weeks in a row can she afford to rent a movie, using her rental card only? Explain how you arrived at your answer.
Which is a point 6units to the left of 4
Answers
Answer:
x ≤ -7
Step-by-step explanation:
There is a filled in circle which means that it is either ≤ or ≥.
The graph is going to the left, which means it is ≤
The starting number is -7.
x ≤ -7
Answers
Answer:
6). Option (B)
7). Option (C)
Step-by-step explanation:
6) Property of a triangle :
"Sum of all interior angles is 180°"
(x + 2)° + (2x + 2)° + (2x - 1)° = 180°
5x + 3 = 180°
5x = 177°
x =
(x + 2)° = 37.4°
(2x - 1)° = 69.8°
(2x + 2)° = 72.8°
Option (B) is the answer.
7). (4x + 2)° + (2x + 1)° + (x - 1)° = 180°
7x + 2 = 180°
7x = 178°
x =
(4x + 2)° = 103.7
(2x + 1)° = 51.9°
(x - 1)° = 24.4°
Option (C) will be the answer.
A. Yes, because 10 cm is the same as 1 mm.
B. Yes, because 1 cm is the same as 10 mm.
C. No, because 2 cm is not the same as 20 mm.
D. No, because 1 cm is not the same as 1 mm.
Answers
Answer:
B
Step-by-step explanation:
because 1 cm is the same as 10mm
Answer:
B
Step-by-step explanation:
the answer is B because one centimeter is the same as a 10 mm
Answers
y = mx + b
Where,
The slope of the line is:
m = (y2-y1) / (x2-x1)
m = (0 - (- 6)) / (11-0)
m = 6/11
The value of b is given by:
b = -6
Substituting values we have:
y = (6/11) x - 6
Answer:
An equation for the linear function is:
y = (6/11) x - 6
c. d.
What is the common difference in the sequence 8, 16, 24, 32, . . .?
a. 24
b. 16
c. –8
d. 8
The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. ...
Answers
1)
x= the width
2x=the length
x-3= the height
V=x*2x*(x-3)=2x^3-6x²
2)
16-8=8
24-16=8
32-28=8
difference=8
answer D
3)
a) if you put the squares side by side horizontaly you will need 37*34=1258 squares (for a perfect job)
b) or 109*103/9≈1248 squares (cutting squares)
L=2W
heigt is 3 less than width
H=W-3
if W=x
V=??
V=LWH
W=x
L=2x
H=x-3
V=(2x)(x)(x-3)
V=(2x^2)(x-3)
V=2x^3-6x^2
common difference is the nth term minus the n-1 term
basically a term minus the one before it
16-8=8
common differnce is 8
how many tiles
find area of room
area of room=109*103=11227
area of tile=3^2 since it is asquare or 9
areaof1tile times how many tiles=areaofroom
9*howmany=11227
divide both sids by 9
how many=1247.44444
round up so you have enough (since you can't buy 0.4444 tiles)
how many=1248
1248 tiles
b. eight tens
c. eight tenths
d.eight thousandths