Answer:
the answer would be t56 im guess ing along with x
Step-by-step explanation:
The line of symmetry for the parabola represented by the equation is
x = 1.
What is a parabola?A symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity follows a curve of this shape.
Given an equation of a parabola, y = -x²+2x+6
Factorizing the equation, we get,
x = 1+√7 or x = 1-√7
We know that the line of symmetry of a parabola is equal to the x-coordinate of the vertex of the parabola.
We also know that the x-coordinate of the vertex of a parabola is equal to the average of zeros. So the x-coordinate of the vertex of the parabola would be:
(1+√7 + 1-√7)/2 = 1
Hence, the equation represents the line of symmetry of the given parabola is x=1.
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i'll mark you has brainliest
Answer:
x-1=y
Step-by-step explanation:
Is this what you need?
2x - y = 9
x + 3y = -6
Answer: Your answer should be {x,y}={3,−3}
Step-by-step explanation: Hoped this helped!!!!
HELPPPP ILL GIVE YOU 10 POINTSSS!!!
Answer:
C. Reflection line
Step-by-step explanation:
Answer:
Im thinking its reflection line
Step-by-step explanation:
If a figure has been dilated by a scale factor of one third, which transformation could be used to prove the figures are similar using the AA similarity postulate? A translation because it can map one angle onto another since dilations preserve angle measures of triangles. A rotation because it can change the orientation of a figure since dilations do not preserve orientation. A dilation because it can map one side onto another since dilations preserve side length of triangles. A reflection because it can change the orientation of a figure since dilations do not preserve orientation.
Answer:
A translation can map one angle onto another since dilations preserve angle measures of triangles.
Step-by-step explanation:
A translation transformation could be used to prove the figures are similar using the AA similarity postulate because it can map one angle onto another since dilations preserve angle measures of triangles.
What is translation?In a translation transformation, every point of the figure is moved by the same quantity. This means that the angles and lengths of the figure remain the same. The only thing that changes are the points on which it lies.
The transformation that could be used to prove the figures are similar using the AA similarity postulate is given below:Translation transformation is the correct answer. This is because, in translation transformation, only the cartesian coordinates of the figure change. Nothing happens to the angles and lengths of the figure.
In the other given transformations, the orientations of the figures are not preserved and this makes it harder to prove using the AA similarity postulate.
Therefore, we have found that a translation transformation could be used to prove the figures are similar using the AA similarity postulate because it can map one angle onto another since dilations preserve angle measures of triangles.
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Use a property of equality to solve this equation:
4.5x = 18
x=
Answer:
x=4
Step-by-step explanation:
4.5x = 18
<=> x= 18 / 4.5
<=>x = 4
Answer:
The person above is correct c: it is x=4
GoodJob! :D
Step-by-step explanation:
Cherries are $2.00/ pound what is the constant of proportionality
Answer:
$2 price per pound
2 is the constant of proportionality
Step-by-step explanation:
Price of Cherries = $2 per pound
what is the constant of proportionality
If y = total cost of buying x pounds of Cherries at $2 per pound
The equation below represent the situation
y = $2 * x
y = 2x
The constant of proportionality is 2
That is, the $2 price per pound
Part 2
Evaluate the expression for the given value of x.
−8x + 7 for x = −
Evaluate the expression for the given value of x.
3.5x − 1.5 for x = 9
Evaluate the expression for the given value of x.
0.2x + 7.7 for x = −2
Evaluate the expression for the given value of x.
3
4
x − 9 for x = 12
1) x = negative what number?
2) 30
3) 7.3
4) 0
Lines a and d are
A. non-coplanar.
B. parallel.
C. perpendicular.
D. skew.
Finley's pumpkin originaly had a mass of 6.5 kilograms. If after carving the pumpkin the mas decreased by 40% what is the new mass
of the pumpkin?
Answer:
3.9
Step-by-step explanation:
a cuboid with a volume of 374cm^3 has dimensions
Answer:
2 x 11 x 17 = L x W x H
Step-by-step explanation:
x² + 12 (8) - 160 = 0
8(8) + 96 -160 = 0
8(8) + 96 -160
160 -160 = 0
x² + 12x -160 = 0
x² + 8 × - 20 = 0
(x +8) (x-20)
2( x+3 ) × (x+9) = 374
(x+3) × (x+9) = 374 ÷ 2
(x+3)× (x+ 9) = 187
x² = 184 - 9
x² = 175
x = 175/25
x = 8
Formula of Volume of Cuboid
V = L ×W × H
V = 2 × (x+3) × (x+9)
2 ( 8+3 ) × ( 8+ 9)
2 (11) × (17)
x + 3 = 11
x + 9 = 17
Volume L × W × H
2 × 11 × 17 = 374cm³
satisfies the equation
dimensions of the cuboid
2 11 and 17
Need help with questions 1 & 2 ASAP!!!
Answer:
answer attached
Step-by-step explanation:
wants more words
2c+3d+2c+6d get it correct mark brainliest
Answer:
4c+9d
Step-by-step explanation:
group together the twos to get four and the 3 and the 6 to get 9.
Solve the equation log 4(x + 20) = 3
Answer:
if its the question on edg and its 4(x+20)= 3
x=44
the awnser 44
Step-by-step explanation:
its just 44
find the slope: (8,5) and (-9,5)
Answer:
Use the slope formula to find the slope m.
m = 0
Step-by-step explanation:
The slope of the line is zero (0).
Given the following points:
Points on the x-axis = (8, -9)Points on the y-axis = (5, 5)To find the slope of the line, we would use the following formula;
[tex]Slope. \;m = \frac{Change \; in \; y \;axis}{Change \; in \; x \;axis} \\\\Slope. \;m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
Substituting the points into the formula, we have;
[tex]Slope. \;m = \frac{5 - 5}{-9 - 8}\\\\Slope. \;m = \frac{0}{-17}\\\\Slope. \;m = \frac{0}{-17}[/tex]
Slope, m = 0
Therefore, the slope of the line is zero (0).
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You spend $40 on 5 pounds of concrete. How much would it cost for 7 pounds of concrete
Answer:$8
Step-by-step explanation:
Eeeh I looked it up but I’m pretty sure u supposed to divide 40 and 5
-Find the sum or difference
1. (5b-9) + (b+8)
2.(3m+5) - (6-5m)
3.(1-9z) + 3(z-2)
4.(7g-6) - (-3n-4)
At the bowling alley ethans family spent $4 to rent shoes plus $8 for each game that they bowled if they spent $36 total how many games did they bowl
Answer:
4
Step-by-step explanation:
If they spent 36 dollars
and the shoes were 4 dollars,
36-4=32 dollars left for the games
32/8=4 games
Is this expression true or false?
Answer:
False
Step-by-step explanation:
THE ANSWER IS FALSE.
Mike wants to fence in part of his backyard. He wants the length of the fenced-in area to be at least 20 feet long, l ≥ 20. He has 200 feet of fencing. The inequality that models the possible perimeter of the yard is 2l + 2w ≤ 200.
Which are possible dimensions for Mike’s backyard? Check all that apply.
answers in order are 2 3 5
Please help me out!
Answer:
the answer is a because it's the best one you could pick
Answer:
B
Step-by-step explanation:
The sqaure root of 140 is 11.8321595662 and you would round to the nearest tenth and get 11.8
8/10
Solve this equation for 2 in terms of y and z:
2x - 3y + 8z = 14
What is the value of x when y= 2 and z= -5?
Answer:
x=30
Step-by-step explanation:
2x-3y+8z=14
2x-3*2+8*(-5)=14
2x-6-40=14
2x=14+6+40
2x=60
x=60/2
x=30
Below are different ways students tried to start this problem. Which is correct?
(- 10) * (½) * (- 8)
A) (½) * - 8 = - ( - 8/16 )
B) (-10) * (½) = 5
C) -10 * (- 8) = 80
D) -8 * 2 = - 16
Answer:
C) -10 * (- 8) = 80
Step-by-step explanation:
(- 10) * (½) * (- 8)
Checking all the options
A) (½) * - 8 = - ( - 8/16 )
1/2 * - 8
= -8/2
= -4
(½) * - 8 = -4
(½) * - 8 = - ( - 8/16 ) Wrong
B) (-10) * (½) = 5
-10 * 1/2
= -10/2
= -5
(-10) * (½) = -5
(-10) * (½) = 5 Wrong
C) -10 * (- 8) = 80
-10 * (- 8)
= -10 × - 8
= + 80
-10 * (- 8) = 80 Correct
D) -8 * 2 = - 16
-8 * 2
= -16 correct but we don't have 2 in the expression so, it is wrong
The correct way to start solving the problem is C) -10 * (- 8) = 80
(- 10) * (½) * (- 8)
-10 * (- 8) = 80
80 * 1/2 = 80 / 2
= 40
brainiliest if u answer both
1.Bella brought stickers to give to 12 of her friends. Each friend received 4 stickers. How many stickers did she bring to school?
2.ierra walks her dog Pepper twice a day. Her evening walk is two and a half times as far as her morning walk. At the end of the week she tells her mom,
I walked Pepper for 30 miles this week!
How long is her morning walk if there are 7 days in the week?
Answer:
1. 48 stickers 2. 1.2 miles
Step-by-step explanation:
1. 12x4=48 stickers. 2. If we let w denote the length of the morning walk, Sierra walks w+2.5w or 3.5w miles each day. At the end of the week she has walked 7 times as far and she said that this was 30 miles. Solving the equation
24.5w=30,
we have w=30/24.5≈1.2 miles. Therefore the distance of Sierra's morning walk is about 1.2 miles
Solution: Using a diagram
We can illustrate the solution to this problem with a tape diagram. If we let one box be the morning walk, then the evening walk is 2.5 boxes. The total distance Sierra walks in one day is represented by 3.5 boxes. Instead of talking about the number of boxes, we can choose a variable to represent the value or length of each box, say w.
Since Sierra walks every day of the week, the total distance walked is 7 times as long. Therefore, we have the total distance walked during the week is 7(3.5w)=24.5w. We know that Sierra walks a total distance of 30 miles, so we have 24.5w=30 miles. We can use another diagram to illustrate the total distance with 24.5 boxes.
Dividing both sides of the equation 24.5w=30 by 24.5 allows us to find w, and we have
w=30/24.5≈1.2.
Therefore, Sierra's morning walk is about 1.2 miles.
Sophia's mom gave her 7/8 of a bag of candy. She split the cand
among her 4 best friends. How much of the bag of candy did
each friend get?
Answer:
Step-by-step explanation:
8
Please help me......❕
Answer:
Mia is right
Step-by-step explanation:
the red graph is a negative slope. y=4+6x is a positive slope.
Answer:
Mia
Step-by-step explanation:
If you plot in any number (say 1) for x, then y will equal 10 (4+6(1)). The blue dotted line shows that as it approaches 1 on the x axis, it approaches 10 on the y axis. However, the red line shows that when x=1, y is about 3.5
Thus Mia is correct
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55% of 120 children at the theatre were boys. How many were boys?
what would the slope intercept form be?
Answer:
y=-2x
Step-by-step explanation:
A store sells $5000 worth of running shoes on Monday. On Tuesday, it sells $6250 worth of running shoes. What is the percent increase in sales between Monday and Tuesday?
Answer:6300
Step-by-step explanation:
What is the slope-intercept form of a line that passes through points (2,11) and (4,17)? *
y=3x+5
y=-3x+5
y=-3x-5
y=3x-5
Answer:y=3x+5
Step-by-step explanation:
11=3(2)+5
17=3(4)+5
Answer:
Y=3x + 5
Step-by-step explanation: