Answer:
True
Step-by-step explanation:
4-4=0
3-3=0
Answer:
True
Step-by-step explanation:
First you would have to find what is 4-4=0
Second it would be 3-3=0
so it’s true
It have the same answer
Jada walks up to a tank of water than can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When
Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water.
How many minutes before Jada arrived was the water tank completely full?
Answer:
4 1/2 minutes
..............
Please help me! 20 points! You don't have to graph btw!
[Inequalities Review]
Answer:
7 = n is greater than 9
9=m is less than or equal to 55
Step-by-step explanation:
Answer:
7. −2 < n < 0
8. Not sure about this one
9. m ≤ 55
10. 55 all the way to -40 on the inequalities graph
3 of 10
Several items in a store are on sale. Complete the table with the correct prices.
Original Price
Percent of Discount
Sale Price
$60
20%
$140
65%
40%
$54.60
10%
$10.80
:: $12
!! $48
:: $49
:: $91
Answer:
1.sale price =$40
2.sale price=$80
3.orginal price=$94.60
4.orginal price=$20.80
Which expression is equivalent to
What are the coordinates of the vertex for y= x + 71 – 2
help :D .......................
Answer:
The circunference is represented by the equation is [tex]x^{2}+y^{2}-6\cdot x +4\cdot y +9=0[/tex].
The graph of this function is presented in the attachment.
Step-by-step explanation:
The general equation of the circunferece is defined by the following formula:
[tex]x^{2}+y^{2}+A\cdot x + B\cdot y + C = 0[/tex] (1)
We can determine the value of the coefficients by knowing three distinct points: [tex](x_{1}, y_{1}) = (3,0)[/tex], [tex](x_{2},y_{2}) = (5,-2)[/tex], [tex](x_{3},y_{3}) = (1, -2)[/tex]
The system of linear equations is:
[tex]3\cdot A + C = -9[/tex] (2)
[tex]5\cdot A -2\cdot B + C = -29[/tex] (3)
[tex]A -2\cdot B + C = -5[/tex] (4)
The solution of this system is: [tex]A = -6[/tex], [tex]B = 4[/tex], [tex]C = 9[/tex].
The circunference is represented by the equation is [tex]x^{2}+y^{2}-6\cdot x +4\cdot y +9=0[/tex].
The graph of this function is presented in the attachment.
solve the system through elimination
Answer:
x=3
y=1
Step-by-step explanation:
-2x - 7y = -13
3x + 6y = 15
3(-2x - 7y = -13) = -6x - 21y = -39
2(3x + 6y = 15) = 6x + 12y = 30
-6x - 21y = -39
---------------------- The -6x and 6x cancel out, 12 - 21 is equal to 9, 30 - 39 = -9
6x + 12y = 30
Therefore, you can say that -9y = -9 so y = 1
FInally, plug that back into either one of the original equations:
3x + 6(1) =15
3x = 9
x = 3
If the sales price of a surfboard is $595 and the sales tax rate is 8%. Which of these represents the amount of the sales tax?
$595×8/100
=$47.60
$595+$47.60
=642.60
I need help quick. Please help I don’t understand.
Answer:
C
Step-by-step explanation:
The y-intercept of the line is -4, immediately eliminating D. The two definite points on the graph I could visually confirm were (0,-4) and (1, -1). You had to "rise" 3 units and "run" 1 unit. This is a slope of 3/1 or 3. In y=mx+b form, The equation is f(x)=3x-4 or C.
Solve the following equation for y, and then identify the slope of the line: 5x + 9y = 8.
Answer:
equation: y=-5/9(x)+8/9 slope: y=-5/9(x)
Step-by-step explanation:
9y=8-5x
y=(8/9)-(5/9)x
y=-5/9(x)+8/9
a/4+2=6 it says to solve the equation
Answer:
16
Step-by-step explanation:
a/4+2=6 (subtract 2)
a/4 = 4 (multiply by 4)
a=16
Select all the expressions that are equivalent to -36x + 54y - 90.
-9 ( 4x - 6y - 10)
-18 ( 2x - 3y + 5)
-6( 6x + 9y - 15 )
18 (-2x + 3y - 5)
-2 ( 18x - 27y +45)
2(-18x + 54y - 90 )
Answer:
-18(2x-3y+5)
-2(18x-27y+45)
Can someone help me solve this
ab + a - b
when a = 3, and b = 7
Answer:
17
Step-by-step explanation:
(3 × 7) + 3 - 7
21 + 3 - 7
24 - 7
17
Answer:
17
Step-by-step explanation:
ab + a - b (sub numbers)
(3)(7) + 3 - 7 (multiply)
21 + 3 - 7 (add/subtract left to right)
17
State the slope and y-intercept of the graph of y = 1/5 x – 7
(5x – 3)
a
1170
-b
please help
Answer: x= 114/5
Step-by-step explanation:
Opposite angles in between parallel lines are equal. Just solve for x. (5x-3)=117
Which of the following is true?? *ill give brainliest*
-6.175 is an irrational number
Sqrt 2 is an integer
0 is neither a rational number nor an irrational number
4.83333 is a rational number but not an integer
A file that is 272 megabyte la is being downloaded. If the download is 12.9% complete, how many megabytes have been downloaded? Round your answer to the nearest tenth
Answer:
35.1 megabytes downloaded (rounded)
Step-by-step explanation:
12.9% = 0.129
272 x 0.129 = 35.088
35.088 rounded to the nearest tenth would be 35.1
Find the value of x*
5.
9
16
Х
HELP PLEASE!!
Answer:
x = 16
Step-by-step explanation:
hypotenuse= a /sin(α)
= 22.62742
= 16√2
So using this to calculate x:
x = √c2 - a2
= √22.627416997972 - 162
= √256
= 16
Hope this helps you :)
Select all expressions that are equivalent to 6 + 12x.
A. 3(2 + 4x)
B. 3(2 + 6x) + 6x
C. 5(1 + 2x) + 1 + 2x
D. 7(1 + 2x) – 2x – 1
E. 7(1 + 2x) + 10x – 1
E. 7(1 + 2x) + 10x – 1
Answer:
A, C, D
Step-by-step explanation:
A: 3×2=6
3×4x=12x
C: 5×1=5+1=6
5×2x=10x+2x=12x
D: 7×1=7-1=6
7×2x=14x-2x=12x
Hey, Can someone help me solve 2x²=63-5x using the quadratic formula. ( In algebra 1 by the way)
Answer (if we're solving for x):
[tex]x=-7[/tex] or [tex]\frac{9}{2}[/tex]
Step-by-step explanation:
Rearrange the terms from [tex]2x^{2} =63-5x[/tex] to [tex]2x^{2}=-5x+63[/tex]Move the terms to the left side: [tex]2x^{2}-(-5x+63)=0[/tex]Use the "sum-product" pattern: [tex]2x^2+14x-9x-63=0[/tex]Get the common factor drom the 2 pairs:[tex]2x(x+7)-9(x+7)=0[/tex]Rewrite the equation in factored form as [tex](2x-9)(x+7)=0[/tex]Create 2 equations from [tex](2x-9)(x+7)=0[/tex]: [tex]2x-9=0\\x+7=0[/tex]This means that [tex]x[/tex] can either be [tex]-7 (-7+7=0=x+7)[/tex] or [tex]\frac{9}{2} (\frac{8}{2}=4; \frac{9}{2}=4.5)[/tex]Which of the following relations represent a function?
{(-1,-3),(3,2),(3,7)}
{(-1,4),(2,7),(3,7)}
{(-3,7),(3,-7),(3,7)}
{(-1,4),(-1,7),(3,5)}
Answer: B is correct
Step-by-step explanation:
Se necesita instalar el piso de una habitacion de forma rectangular cuyas dimensiones son 7 m por 8 m el piso se cubrira con baldosas cuadradas de 25 cm de lado,que cuestan 20000 el metro cuadrado. ¿ cual es el costo del material para cubrir el piso?
Answer:
Costo total= $1.120.000
Step-by-step explanation:
Dada la siguiente información:
Se necesita instalar el piso de una habitacion de forma rectangular cuyas dimensiones son 7 m por 8 m.
Costo por m2= $20.000
Primero debemos calcular el total de metros cuadrados de la habitación:
Totalm2= 7*8= 56m2
Ahora el costo total:
Costo total= 56*20.000
Costo total= $1.120.000
Find the volume. PLZ HELP MEHH I REALLY NEED THHIS ILL MARK BRANILY
Answer:
300 + 84 = 384
Step-by-step explanation:
i found the volume of each then added it together
Answer:
guy above me is correct
Step-by-step explanation:
mathematics (please helppp)
Step-by-step explanation:
all I know is the answer and it's c
Put these numbers in order from greatest to least.
Answer: [tex]3\frac{21}{30} ,3\frac{14}{28},\frac{15}{25},0.5,-0.7[/tex]
Step-by-step explanation:
[tex]-0.7=-0.7\\\\3\frac{21}{30}=3.7\\\\3\frac{14}{28}=3.5\\\\0.5=0.5\\ \\\frac{15}{25}=0.6[/tex]
im sooo confused ???????????
Answer:
D
Step-by-step explanation:
PL Z HELP Maria went home with from selling t-shirts at a festival. She would have had more, but she had to pay for her booth. She earned for each t-shirt she sold. How many t-shirts did she sell?
(a) Write an equation to help answer the question above.
Choose the correct form below and fill in the blanks using only 5,10 , and 65 .
(The variable x is used to represent the number of t-shirts.)
_x+_=_
or
_x-_=_
(b) Write an expression to help answer the question above.
Choose the correct form below and fill in the blanks using only 5, 10, and 65 .
_+_
_
or
_-_
_
(c) How many t-shirts did Maria sell?
Answer:
Step-by-step Answer:
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░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob
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▀█▌░░░▄░▀█▀░▀ ░░ Copy And Paste Him onto all of ur brainly answers
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Emily runs a hotel. She wants to hold a party in the banquet hall of her hotel. The hall has a size of 120,000 square feet. By fire code the maximum population density of the hall is 0.004 people per square foot. This includes all the people in the banquet hall. What is the maximum number of people that can attend the party if she has it in the banquet hall?
Answer:
480 People.
Step-by-step explanation:
120,000(0.004) = 480
Lamina in the shape of a square expanding regularly reserving its shape , then the
rate of change of its area with respect to its side length when its side length 5 cm
equals
Answer:
بتتحل ب therom 4
هتبقي 10