Answer:
B
Step-by-step explanation:
-34x-(-3)=6
-34x+3=6
-34x+3-3=6-3
-34x/-34=3/-34
x=3
Sabrina’s schedule is listed below. Each of her teachers only teaches one subject. Is this an example of a function? Why or Why not?
Period
Class
1st
Band
2nd
PE
3rd
Math
4th
SS
5th
ELA
6th
Science
The value of y is _ more than the value of x
Answer:
The answer is x = y - 30
Step-by-step explanation:
y=31 and x=1, therefore y-30=x
Mr. Chen purchased a board game for $14 and 6 puzzles. Each puzzle cost the same amount. The total cost was $86. How much did each puzzle cost?
Answer:
$12
Step-by-step explanation:
$86-$14 = $72 that you have left for the 6 puzzles
72÷6 = 12
Hey guys please help
A right cone is sliced parallel to its base.
What is the shape of the resulting two-dimensional cross section?
A. Circle
B. Rectangle
C. Triangle
Answer:
A
Step-by-step explanation:
The answer is circle because if you slice a cone parallel to the base, the cross section is circle
A Right Cone is sliced parallel to its base the resulting shape is Circle.
What is cone?A cone is a" three dimensional shape consisting one circular shape and once continuous curved surface tapering to a point".
According to the question,
A right cone is slice parallel to its base.
In order to find the resulting shape. When a right cone is sliced parallel to its base it results Circle.
Hence, right Cone is sliced parallel to its base the resulting shape is Circle.
Learn more about Cone here
https://brainly.com/question/15098173
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Which value is NOT equivalent to the other values?
Answer:
1.5
Step-by-step explanation:
All the other values are .15, 1.5 does not equal .15, so it is not equivalent.
Hopefully this helps- let me know if you have any questions!
Answer:
1.5
Step-by-step explanation:
3/20 =15% =0.15
1.5 is not equivalent to the other values
what is 0.6x10 into the 3rd power
Answer:
216
Step-by-step explanation:
First, multiply 0.6 by 10
The answer is 6
The multiply 6 to the third power.
6 · 6 · 6 = 216
Hope I helped :)
Please consider Brainliest :)
. choose the model that represents the division sentence . a rectangle divided into six parts with one part shaded.becomesa rectangle divided into twelve parts with six part shaded. a rectangle divided into six parts with one part shaded.becomesa rectangle divided into twelve parts with two part shaded. a rectangle divided into six parts with one part shaded.becomesa rectangle divided into twelve parts with four part shaded. a rectangle divided into six parts with one part shaded.becomesa rectangle divided into twelve parts with one part shaded.
Answer:
B
Step-by-step explanation:
what is the possible solution to the quadratic equation 2x^2+10=28
Answer:
x=3
Step-by-step explanation:
plug it into the equation and see if it's correct
the height of a cone shaped building is 50 ft, and the radius of its base is 20 ft. find the buildings slant height
Answer:
1,000
Step-by-step explanation:
7 of 10
Sara was thinking of a number. Sara doubles it, then adds 7 to get an answer of 92.9. What
was the original number?
Answer:
42.95
Step-by-step explanation:
We just reverse the steps. So we take 92.9 and subtract by 7 to get 85.9. Then we divide that number by 2. So we get 42.95. To check our work, we can use this number and follow the steps Sara did. So 42.95*2=85.9+7=92.9
The original number that Sara was thinking of is 42.95.
What is the number system?A number system is defined as a way to represent numbers on the number line using a set of symbols and approaches. These symbols, which are known as digits, are numbered 0 through 9.
Let's represent the original number "x".
According to the question, we know that:
x × 2 + 7 = 92.9
To determine the original number, we'll want to undo the operations that were done to it.
First, we'll subtract 7 from both sides to undo the addition:
x × 2 = 92.9 - 7
x × 2 = 85.9
Then, we'll divide both sides by 2 to undo the doubling:
x = 85.9 / 2
x = 42.95
Therefore, the original number that she was thinking of is 42.95.
Learn more about the number system here:
https://brainly.com/question/21751836
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Can you please answer this question I need to submit in 30 min please HURRY ASAP PLEASE NEED HELP PLEASE !!!!!!!!!!!
Answer:
The answer is "21"
Step-by-step explanation:
mn + 3r
m = 5
n = 4
r = 1/3
Now just substitute the values given in the question into the equation
5(4) + 3(1/3)
Multiply 5 and 4 to get 20
20 + 3(1/3)
3(1/3) cancels out and becomes 1
20 + 1
Add 20 and 1
21
So "21" is your answer
Seats in a movie theater are numbered 1-500, and the manager is handing out snacks during the movie. Every person whose seat is a multiple of 4 gets Twizzlers. Every person whose seat is a multiple of 7 gets nachos, and every person in a seat that is a multiple of 10 gets popcorn. The person in which seat number is the first to get all 3 treats?
Answer:
Seat number 140 gets all three treats
Step-by-step explanation:
Given
[tex]Twizzlers = Multiples\ of\ 4[/tex]
[tex]Nachos = Multiples\ of\ 7[/tex]
[tex]Popcorn = Multiples\ of\ 10[/tex]
Required
Determine first person to get all kinds of treats
To do this, we simply need to determine the LCM of the given multiples:
[tex]4 = 1 * 2 * 2[/tex]
[tex]7 = 1 * 7[/tex]
[tex]10 = 1 * 2 * 5[/tex]
[tex]L.C.M = 1 * 2 * 2 * 7 * 5[/tex]
[tex]L.C.M = 140[/tex]
Seat number 140 gets all three treats
George was reading a book. The book was 60 pages long. He read 15 pages on Monday, 10 pages on Tuesday, and 21 pages on Wednesday. How many pages does he need to read on Thursday to finish the book?
Answer:
He needs to read 14 pages on Thursday to finish the book
Which expression is equivalent to 6-(8)
-6+8
-6+(8)
6+(8)
6+8
Answer:
-6+8
Step-by-step explanation:
-6+8=6-(8)
-2=-2
Hoped it helped :)
hello people ~
factorise: x² + 4x - 77
[tex]\qquad\qquad\huge\underline{\boxed{\sf Answer}}[/tex]
Let's solve ~ ☂
[tex]\qquad \sf \dashrightarrow \: {x}^{2} + 4x - 77[/tex]
[tex]\qquad \sf \dashrightarrow \: {x}^{2} + 11x - 7x - 77[/tex]
[tex]\qquad \sf \dashrightarrow \: {x}^{} (x + 11) -7(x + 11)[/tex]
[tex]\qquad \sf \dashrightarrow \: {}^{} (x + 11)(x - 7)[/tex]
Answer:
x = 7
x = -11
Step-by-step explanation:
x² + 4x = 77
Complete the square to make it a square of a binomial
x² + 4x + 4 = 77 + 4
(x+2)² = 81
Square root both sides (two solutions)
x + 2 = 9
x = 7
x + 2 = -9
x = -11
Hope this helps :)
Have a nice day!
The equation of a circle in general form is x2+y2+20x+12y+15=0 .
What is the equation of the circle in standard form?
(x+10)2+(y+6)2=121
(x+10)2+(y+6)2=225
(x+20)2+(y+12)2=121
(x+20)2+(y+12)2=225
Answer:
[tex](x+10)^2+(y+6)^2=121[/tex]
Step-by-step explanation:
The standard form of a circle's equation is
[tex](x-h)^2 + (y-k)^2 = r^2[/tex]
Where (h,k) is the center and r is the radius of the circle.
The equation is given in general form, we need to convert it to the standard form. This can be done by completing squares.
The equation is:
[tex]x^2+y^2+20x+12y+15=0[/tex]
Rearrange x's and y's separate:
[tex]x^2+20x+y^2+12y=-15[/tex]
We have also subtracted 15. Now to complete squares, recall the formula:
[tex](a+b)^2=a^2+2ab+b^2[/tex]
The first two terms are equivalent to the first two terms of the above formula. It's clear that the second term is 2ab=20x. Solving for b:
b=10. Thus, to complete the square, we add 100 to the equation.
The third and fourth terms can also be used to complete the squares for y, knowing that 2ab=12y. In this case:
b=6. To complete this square, we add 36. The equation is now:
[tex](x^2+20x+100)+(y^2+12y+36)=-15+100+36=121[/tex]
Operating and simplifying, knowing that 121=11^2:
[tex]\boxed{\mathbf{(x+10)^2+(y+6)^2=121}}[/tex]
This corresponds to the first choice
(7, -1) 2. What is the slope of a line that is perpendicular to the line joining point A (9, 9)? and point B
Answer:
-1/5Step-by-step explanation:
Given the point A (9, 9) and B(7, -1)
The slope of the line AB is expressed as:
slope = Δy/Δx
slope = y2-y1/x2-x1
slope = -1-9/7-9
slope = -10/-2
slope = 5
For two lines to be perpendicular, the product of their slope must be -1
mM = -1
M is the slope of the line perpendicular to AB
Substitute m = 5 into the equation
5M = -1
M = -1/5
Hence the slope of a line that is perpendicular to the line joining point A and B is -1/5
change 6 over 25 to percentage
Answer:
24%
Step-by-step explanation:
convert the fraction to decimal then multily by 100
6/25 to decimal is 0.24
0.24 x 100 = 24
Answer:
24%
Step-by-step explanation:
6/25
=0.24
=24%
Susan pushes a box up an inclined plane doing 50 Joules of work. The output work was calculated to be 25 loules. Find the efficiency of this inclined plane
A) 25%
B) 50%
C)100%
D) 200%
In 1992 the average family income was about 42000, and in 2002 it was about 56256. Let x = 0 represent 1992, x = 1 represent 1993, and so on. Find values for a and b (rounded to one decimal place if necessary) so that f ( x ) = a x + b models the data a = b = What was the average family income in 1997? $
Step-by-step explanation:
Given the function that models the income of a family as g(X) = ax+b
at x = 0, g(x) = 42000, the function becomes;
g(X) = ax+b
42000 = a(0)+b
42000 = 0+b
b = 42000
at x = 1, g(x) = 56256
56256 = a(1) + b
56256 = a+b
a = 56256 -b
a = 56256 - 42000
a = 14,256
To get the average family income in 1997, wee need to calculate g(x) at when x = 5, since the number of years between 1992 and 1997 is 5years.
g(x) = ax+b
g(5) = 14256(5) + 42000
g(5) = 71,280+42000
g(5) = 113,280
Hence the average family income in 1997 is 113,280
5 40/60 simpified no decimals
Answer:
5 2/3
Hope this helps! Please mark Brainliest!
Answer:
17/3
Hope this helps!!! :)
With the summer approaching, Mya decides to start a small lawn mowing business in her town. The initial cost for the lawnmower and other fixed expenses is $450. She determines it will cost her $6 per lawn for gasoline and maintenance. Mya decides to charge customers $20 per lawn.
Step-by-step explanation:
I believe we are expected to solve for the number of lawns she would mow before she could make profit
let the cost be C
and let the price be P
and let the number of lawn be x
C=$450----------1
P=6+20x---------2
equating 1 and 2 we can find x
450=6+20x
450-6=20x
444=20x
x=444/20
x=22.2
therefore for her to break even and start making profit she need to mow 22.2 lawns and above
Evaluate -18 + x(-6)
When x = -9
The answer to your question is 36
-18 + x(-6)
Substitute x with -9
-18 + (-9) (-6)
Then you get 36
Hey there!
-18 + x(-6)
= -18 + (-9)(-6)
= -18 - 9(-6)
= -18 - (-54)
= -18 + 54
= 36
Therefore, your answer is: 36
REMEMBER!
• Negative & negative = positive
• Positive & positive = positive
• Negative & positive = negative
• Positive & negative = negative
• Negatives are smaller than 0
• Positives are bigger than 0
• Negatives are to the LEFT of 0
• Positives are to the RIGHT of 0
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
I’m confused and don’t know why this should be easy but please help
Answer:
12$
Step-by-step explanation:
he worked from 1:45-4:45 wich means he worked 3 hours,then 3 hours *4$ =12$
Answer:
12 dollars
Step-by-step explanation:
Hello!
To solve this question, we understand that:
- the rate at which he earns money is 4 dollars an hour.
-if we find how many hours elapsed between 1:45pm-4:45pm, it is three hours which means he has worked for three hours
(4:45pm-1:45pm=3:00 hours)
Knowing this equation, we must figure out how much he earns during this time frame, 3 hours.
Since we know that the rate is 4 dollars an hour and he has worked 3 hours, let's multiply 4 times 3 (or add 4 three times 4+4+4) to get 12 dollars he has worked during this time.
Please help me 50 points and brainliest for all questions
Which represents the solution(s) of the system of equations, y = x2 – 6x 8 and y = –x 4? Determine the solution set by graphing. (1, 3) only (2, 0) and (4, 0) (1, 3) and (4, 0) no solutions.
The solution of the considered system of equation is represented by: Option C: (1,3) and (4,0)
What is a solution to a system of equations?For a solution to be solution to a system, it must satisfy all the equations of that system, and as all points satisfying an equation are in their graphs, so solution to a system is the intersection of all its equation at single point(as we need common point, which is going to be intersection of course)(this can be one or many, or sometimes none)
For the considered case, the system of equations given to us is:
[tex]y = x^2 - 6x + 8\\y = -x + 4[/tex]
Plotting both's graph and finding the common points on both's graph, we get the common points as:
(1,3) and (4,0)
These points satisfy both the equations simultaneously.
Therefore, the solution of the considered system of equation is represented by: Option C: (1,3) and (4,0)
Learn more about solutions to a system of equations here:
https://brainly.com/question/2825832
Answer:
c is correct
Step-by-step explanation:
How many solutions does 23y+50+27y=50y+50 have
23y + 50 + 27y = 50y + 50 original equation
50y + 50 = 50y + 50 combine like terms
Because both sides of the equation are the same, meaning they are equal, the equation has INFINITELY MANY SOLUTIONS (y can be any number) .
What is the least common denominator of the equation StartFraction 2 Over 9 EndFraction x + two-thirds x = 7?
3
9
27
63
Answer:
B
Step-by-step explanation:
Solve the following system of equations:
2x + 4y = 18
-3x + 2 = y
A.(-1, 4)
B.(1, 4)
C.(-1, 5)
D.(1, -1)
Answer:
Option C
Step-by-step explanation:
Given the following question:
[tex]2x+4y=18[/tex]
[tex]-3x+2=y[/tex]
To find the answer we need to find the values of each of the variables by solving one equation at a time, and then substitute those answers into each equation in till we have our answers.
[tex]2x+4y=18[/tex]
[tex]-3x+2=y[/tex]
[tex]y-y=0[/tex]
[tex]-3x+2+ -y=0[/tex]
[tex]2-2=0[/tex]
[tex]-3x+-y=0+-2[/tex]
[tex]-3x+3x=0[/tex]
[tex]-y=3x-2[/tex]
[tex]-y\div-1=y[/tex]
[tex]3x+2\div-1=-3x+2[/tex]
[tex]y=-3x+2[/tex]
Substitute y for -3x + 2:
[tex]2x+4y=18[/tex]
[tex]y=-3x+2[/tex]
[tex]2x+4(-3x+2)=18[/tex]
[tex]2x+4(-3x+2)=18=-10x+8=18[/tex]
[tex]-10x+8=18[/tex]
[tex]8-8=0[/tex]
[tex]18-8=10[/tex]
[tex]-10x=10[/tex]
[tex]-10x\div10=x[/tex]
[tex]10\div-10=-1[/tex]
[tex]x=-1[/tex]
Substitute x for -1:
[tex]y=-3x+2[/tex]
[tex]x=-1[/tex]
[tex]y=-3(-1)+2[/tex]
[tex]-3\times-1=3[/tex]
[tex]y=3+2[/tex]
[tex]3+2=5[/tex]
[tex]y=5[/tex]
[tex]x=-1[/tex]
[tex]y=5[/tex]
Your answer is "(-1, 5)" or option C.
Hope this helps.