Answer:
x=+[tex]\frac{\sqrt{4y-7}-1 }{2}[/tex]
Step-by-step explanation:
Quadratic function =( -b+[tex]\sqrt{b^2+4ac}[/tex] )/2a
x^2+x+2-y=0
x=-1+[tex]\sqrt{1^2-4(2-y)}[/tex] /2
x=-1+[tex]\sqrt{4y-7}[/tex] /2
x=+ [tex]\frac{\sqrt{4y-7}-1 }{2}[/tex]
Pretty sure this is right. Would appreciate a brainliest
Please help me. Either answer the question or tell me in which quadrant do I need to start graphing, please.
Answer:
The rule for a reflection over the x-axis is (x,y)→(x,−y).
Step-by-step explanation:
Take the coordinates of each letter. For example J = (1,-1). Transform it based on the rule above. (1,-1) -> (1,1). Do this for each of the letters. If you want me to check over your answers once you're done, I can do that in the comment section below.
A sphere has a volume of 972π cm3. What is its radius in centimeters
Answer:
radius = 6.15
Step-by-step explanation:
cuz ik can u mark me brainliest?
I don't understand how to prove it's tangent. Help quickly please.
Step-by-step explanation:
by using pythagorean theorem:
XW²+XY²=
(2×6.4)² + 9.6² =
12.8²+9.6²=
163.84 + 92.16= 256
WY²= 16²= 256
so, XW²+XY²=WY²
=> the WXY is a right triangle, and X is a right angle.
so XY is perpendicular to XW as the diameter of circle Z.
and XY is tangent to circle Z
The triangle below is isosceles. Find the length of side x in simplest radical form with
a rational denominator.
х
6
Step-by-step explanation:
it's the square equal to the equivalent equation to equal 5 673y
Triangle ABC with vertices A(4, −6), B(2, −8), and C(−10, 4) is dilated by a scale factor of 2 to obtain triangle A′B′C′. Which statement best describes triangle A′B′C′? (5 points) Group of answer choices
It is congruent to triangle ABC and has coordinates A′(8, −12), B′(4, −16), and C′(−20, 8).
It is congruent to triangle ABC and has coordinates A′(2, −3), B′(1, −4), and C′(−5, 2).
It is similar to triangle ABC and has coordinates A′(8, −12), B′(4, −16), and C′(−20, 8).
It is similar to triangle ABC and has coordinates A′(2, −3), B′(1, −4), and C′(−5, 2).
Answer:
I believe it is A I may be wrong
It is similar to Triangle ABC and has coordinate A'(8, -12), B'(4, -16), and C' (-20, 8).
Since its getting dilated by 2 it will be getting bigger
Solve for x. (-6/5) x - 4 = -46
A: 23
B: 35
C: -23
D: -35
Answer:
you have flvs? am if u do is it geometry?
Help pleaeee?!,!,!,?,?,!
Step-by-step explanation:
the first equation (red line) :
y = -x -6
the second equation ( blue line) :
y = 2x -3
the solution :
(-1, -5)
3. Choose a word from below to match the definition. Inability to pay back money owed is called
Budget
O Expense
O Debt
O Income
O Bankruptcy
2w^2-9w+3=-4w solve the equation for all real solutions
Answer:
w= 1
w= 3/2
Step-by-step explanation:
A bag contains 8 apples and 6 oranges. You randomly draw a piece of fruit from the bag, eat it, and then randomly draw another. What is the probability you draw and eat an apple then draw an orange
Answer:
probability of choosing apple first = 8/14
probability of choosing orange second = 6/13
probability of choosing apple and orange = 8/14 x 6/13 = 24/91
Step-by-step explanation:
PLEASE HELP*** (picture attached)
Answer:
i remember doing this but i forgot the answers
Step-by-step explanation:
sorry :(
Answer:
0,0 means the origin so put place it on the origin.
12. Three-fifth of senior students are girls;
a) What is the fraction of boys?
b) If there are 120 boys, how many girls are there?
Answer:
There are 72 girls
Step-by-step explanation:
3/5 = 60%
So 60% of 120 is 72
Hope this helps!
BRAINLIEST
PLZ HELP!
Answer:
C
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
You just multiple two of the equation will do
Find the area of the shaded region.
800
5 cm
A=[?] cm2
Enter a decimal rounded to the nearest tenth.
Enter
If the radius of the circle is 5 cm and central angle is 80° then the area of the shaded region is 61.06.
Given that the radius of the circle is 5 cm and central angle is 80°.
We are required to find the area of the shaded region.
The area of the shaded region is basically the difference between the area of the whole circle and the area of the arc which is not shaded.
Area of circle=π[tex]r^{2}[/tex]
=3.14*25
=78.5 [tex]cm^{2}[/tex]
Area of the arc =([tex]r^{2}[/tex]Θ)/2
=(25*80π)/2*180
=(25*80*3.14)/360
=6280/360
=17.44
Area of the shaded region=78.5-17.444
=61.056
After rounding off to the nearest tenth it will be as under:
=61.06
Hence if the radius of the circle is 5 cm and central angle is 80° then the area of the shaded region is 61.06.
Learn more about area at https://brainly.com/question/25965491
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HELP!! An apartment building is infested with 6.2 x 10^3 rats. on average each of these rats produces 5.5 x 10^1 offspring each year. assuming no rats leave or die, how many additional rats will live in this building one year from now? write your answer in standard form.
The additional rats will live in this building one year from now is 3.41 x 10^5.
What is the additional number of rats?Standard form is used in expressing large numbers in smaller numbers. In order to write a number in standard form, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10.
(6.2 x 10^3) x ( 5.5 x 10^1) = 34.10 x 10^4
= 3.41 x 10^5
To learn more about standard form, please check: https://brainly.com/question/25334755
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Two angles are supplementary. One angle has a measure of 51 degrees. What is the measure of the second angle?
Answer:
129°
Step-by-step explanation:
Sum of supplementary angles = 180°
One angle = 51°
Other angles = 180° - 51°
= 129°
Plz mark as brainliest!!!!!
How much did he originally deposit??
Answer:
$200
Step-by-step explanation:
200/5=40
40x5=200
To solve, you multiply the interest by the interest rate
This gets you the total. The interest is also seperate amount so he now has $240
CD is the Diameter. The measure of Arc CD is 11x Find the length of the radius in the circle.
Answer:
11
Step-by-step explanation:
Using S = rA, where S is arc length, r is radius and A is angle(in radians).
Comparing: S = 11π, A = 180° = π
=> 11π = rπ
=> 11 = r
Required radius is 11 unit
Method 2:
This is a semi circle, circumference of semi circle is πr, so
πr = 11π
r = 11
What is the simplified form of (2 + 4) - 15?
Answer:
(6)-15
=
simplified to 9.
Which inequality is represented by the graph
Help please............. please
Answer:a!
Step-by-step explanation:
At the start of 2014 Mike's car was worth £12000.
The value of the car decreased by 30% every year.
Work out the value of his car at the start of 2017.
The value of the car at the start of 2017 will be £ 4116
Please help me I really need this
Answer:
y-intercept = 2 so it’s the first answer option
Step-by-step explanation: How to find the slope. Slope is rise/run so choose one point on the graph, and figure out how many squares it goes up and how many over, that’s your slope. Then, to find the y-intercept, find the point where it intersects on the y-axis, in this case it looks like 2.
The sides of a triangle are 2x+4, 5x+2, and 4x-3. What is the perimeter if x=2
Answer:
25
Step-by-step explanation:
The three sides of a triangle are 2x+4, 5x+2, and 4x-3.
The sum is the perimeter
P = 2x+4+ 5x+2+ 4x-3
Combine like terms
P = 11x +3
Let x =2
P = 11*2 +3
P = 22+3
P =25
Answer:
25
Step-by-step explanation:
Side 1: 2x+4 Side 2: 5x+2 Side 3: 4x-3
Substitute-
2(2)+4 5(2)+2 4(2)-3
Multiply-
4+4 10+2 8-3
Combine Terms-
16 + 12 + 5
=25
Select one:
A- 25%
B- 15%
C- 20%
D- 30%
Answer:
what i dont get what you are trying to ask
Step-by-step explanation:
Answer:
30%
Step-by-step explanation:
honestly i don't know i'm just guessin so i can get points
SOMEONE PLEASE HELP ME! I promise i will mark brainlest, but i need the right answer for this. help is much appreciated <3
CCCCCCC
the best answer
Answer: the second one well because... i dont know how to explain it
what is called intersection of two sets
Answer:
In mathematics, the intersection of two sets A and B, denoted by A ∩ B, is the set containing all elements of A that also belong to B (or equivalently, all elements of B that also belong to A).
Step-by-step explanation:
HELP ILL GIVE BRAINLIEST
Answer:
-2/3
Step-by-step explanation
Use the two points on the graph to calculate the slope. (2, -1) and (-4, 3)
The formula is (y2 - y1)/(x2 - x1) so (3 - (-1))/(-4 - 2) = 4/-6 = -2/3
After 6 years how much money will she have?
Answer:
$4,255.557336768
Step-by-step explanation:
I think.
Options
26%
40%
90%
50%
Answer:
not so sure but i guess its 50%... i am so sorry if it is wrong..if it is wrong dont forget to tell me the right answer(: