Answer:
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Step-by-step explanation:
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Encuentra la ecuacion de la parabola con vertice en el origen y foco en las cordenadas 0,1en su forma ordinaria y general
Answer:
[tex]x^{2}=4y[/tex]
[tex]y=\frac{1}{4}x^{2}[/tex]
Step-by-step explanation:
Forma ordinaria
La ecuación de la parabola de manera ordinaria está dada por:
[tex](x-h)^{2}=4p(y-k)[/tex] (1)
Donde:
(h,k) es la coordenda del vértice, en nuestro caso (0,0) ya que está en el origen.(h,k+p) es la coordenda del foco, en nuestro caso (0,1).Por lo tanto h = 0, k = 0 y p = 1.
Remplazando estos valores en la ecuación de la parábola, tenemos:
[tex](x-0)^{2}=4*1(y-0)[/tex]
[tex]x^{2}=4y[/tex] (2)
Forma general
La forma general de una parábola esta dada por la siquiente ecuación
[tex]y=ax^{2}+bx+c[/tex]
Reordenando la ecuación (2) tenemos:
[tex]y=\frac{1}{4}x^{2}[/tex]
Espero esto te haya ayudado!
Somebody help plz I’m so bad at geometry sad face
Answer:
square is the answer for this question
Express 25 as power with base 5
Answer: express a number in base 5 notation you need to write it in powers of 5. ... 52 = 25 53 = 125 54 = 625. 625 is larger than 613 so I only need a 53 digit, a 52
Step-by-step explanation:
Answer:
POWERS OF 5:
.52 = 25
53 = 125
54 = 625
So 625 is larger than 613
so you will only need 53
but then you also will have 52 so you have 52 as your answer i hope this helps :)
Simplify : - sqrt(- 75) A. - 5i * sqrt(2) B. - 5i * sqrt(3) C. - 5i D. 5i
Answer:
B
Step-by-step explanation:
Here, we want to calculate the square root of -√- (75)
That will be
-√(25)(-3)
= -5 √(-3)
√(-3) is same as 3i
So we have the root as;
-5i√3
pls help meh with this <3
Answer:
For the first one, 29,000 s, 29,500 s, and 29,999 s.
For the second one, no because the bookcase is taller than the doorway.
Oof hope I'm correct and was able to help <3
what is the percent change of 44000 to 40000
Answer:
10 percent
Step-by-step explanation:
40000 is the old value and 44000 is the new value. In this case we have a positive change (increase) of 10 percent because the new value is greater than the old value.
5/6x for x =-8
Evaluate
Answer:
-20/3
Step-by-step explanation
5/6 x (-8)
-5/6 x 8 multiplying a( + )and a (- )= a(-)
-5/3 x 4 reduce with the greatest common factor 2
-20/3
A store is having a sale with 10% off everything.
b) Does your equation for part a represent a proportional relationship?
Answer:
what equation can you give more through instructions please
Translate the inequality and solve. Three times a number is greater than six. 1 point
Answer:
3x > 6
x > 2
Step-by-step explanation:
Eric can read 3 pages in 7 minutes. Rob can read 8 pages in 14 minutes________. Response area is the faster reader because______ Response area
Answer:
Rob.
Step-by-step explanation:
If we take Eric's unit rate and multiply the denominator by two, it will be 14 minutes. Rob's denominator is also 14 minutes. This makes it easier on ourselves. If we multiply the bottom number we also have to multiply the top. So, on Eric's unit rate, we will take the 3 pages and mltiply it by 2 to get 6. 6 is less than 8, so Rob takes the win.
does that graph show a function explain how
A. No; the graph fills the vertical line test
B. Yes; the graph passes the vertical line test test
C. No; there are y-values that have more than one X-value
D. yes; there are no Y-values that have more than one X-value
Please answer correctly !!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
Answer:
3
Step-by-step explanation:
9 / 54 = x / 18
x = 3
On the first day, 8 adult tickets were sold and 13 student tickets were sold for a total of $75. On day two, 10 adult tickets were sold and 9 student tickets were sold for a total of $72. What is the cost of an adult ticket? What is the cost of a student ticket?
Answer:
Adult ticket = $4,5
Student ticket = $3
.
Step-by-step explanation:
Let say adult ticket is x and student ticket is y. so we get:
→ 8x + 13y = 75 (×5) 40x + 65y = 375
→ 10x + 9y = 72 (×4) 40x + 36y = 288
.
Eliminate both equations
40x + 65y = 375
40x + 36y = 288
29y = 87
[tex]y = \frac{87}{29}[/tex]
[tex]y = 3[/tex]
.
Substitute the value of y to one of equations
[tex]10x + 9(3) = 72[/tex]
[tex]10x + 27 = 72[/tex]
[tex]10x = 72 - 27[/tex]
[tex]10x = 45[/tex]
[tex]x = \frac{45}{10}[/tex]
[tex]x = 4,5[/tex]
.
Happy to help :)
Answer:
iwiwjjwjwjwjbba abaha ajajaj ajaj
Step-by-step explanation:
wjis sisi sjaijs aibaia aihwoh ha ajj w
Does anybody know the average individual score for a Mathcounts competition?
Answer:
4.0 hope this helps!!6
Three items were bought at a car boot sale.
Item A
Mass = 42 grams
Volume = 2 cm
Item B
Mass = 87.5 grams
Volume 5 cm3
Item C
Mass = 147 grams
Volume = 7 cm3
=
The density of platinum is approximately 21 grams per cmº.
Which of the items cannot be platinum?
You must show your working.
Answer: Multiply the density with the volume. You get 2418.2 grams or 2.4182 kilograms
Step-by-step explanation:
Answer:
Item B
Step-by-step explanation:
A:
density = mas/volume = 42 g / 2 cm^3 = 21 g/cm^3
This may be platinum.
B.
density = mass/volume = 87.5 g / 5 cm^3 = 17.5 g/cm^3
This cannot be pure platinum.
C.
density = mass/volume = 147 g / 7 cm^3 = 21 g/cm^3
This may be platinum.
Answer: Item B
Select all of the following that are quadratic equations.
1. x2 + 3 x -5 = 0
2. x2 - x = 3 x + 7
3. 5 x - 7 = 0
4. 7 x2 + 14 x = 0
5. x3 - 3 x2 + 1 = 0
6. x - 5 = 9 x + 7
Answer:
1. x² + 3x - 5 = 0
2. x² - x = 3 x + 7
4. 7x² + 14x = 0
Step-by-step explanation:
A Quadratic equation takes the form;
ax² + bx + c = 0
a, b, c are constants and a cannot be 0.
Options 1 fits this;
x² + 3x - 5 = 0
Option 2 fits this as well;
x² - x = 3 x + 7
x² -x - 3x - 7 = 0
x² - 4x - 7 = 0
Option 4 fits this as well if c = 0.
7x² + 14x + 0 = 0
Help need in 29 minutes
Answer:
d)
c)
Step-by-step explanation:
any more help just ask :)
Jack bought 3 pairs of socks for $7.50. At this rate, how much would 10 pairs of socks cost?
Answer:
25$
Step-by-step explanation:
7.50$ divided by 3 is 2.50$. then 2.50$ times 10 is 25$
Answer:
75$
Step-by-step explanation:
because you multiply 7 x 10 and that equals 70$ and then multiply .50 x 10 and that equals 5$ so 70$ plus 5$ equals 75$
f(n) = n^3– 2n
g(n)= 2n + 2
Find (f •g)(n)
Answer:
[tex]\boxed{(f~.~g)(x) = 2n^4 + 2n^3 - 4n^2 -4n}[/tex]
.
Step-by-step explanation:
We know that
[tex]f(n) = n^3 - 2n[/tex]
[tex]g(n) = 2n + 2[/tex]
.
So
[tex](f~.~g)(x) = f(n)~.~g(n)[/tex]
[tex](f~.~g)(x) = (n^3-2n)(2n + 2)[/tex]
[tex](f~.~g)(x) = n^3(2n + 2) - 2n(2n + 2)[/tex]
[tex](f~.~g)(x) = 2n^4 + 2n^3 - 4n^2 -4n[/tex]
Answer:
2jj2j wnqj qkwk abaia aow w wka a9w wjw a8uaaia sks sis s8siwobsisi shkahza a
Step-by-step explanation:
bs ak la ya s dyua youa au ab fusn aigska
help 6th grade math i will give brainliest
Answer:
1. = (all numbers powered by zeros are 1)
2. > (the smaller the number gets when a number powers a fraction)
3. > (-5)^2 will equal 25 but -5^2 will equal =25
Answer:
1. =
2. >
3. <
Step-by-step explanation:
2.5^0 = 1
1.5^0 = 1
(1/3)^4 = 0.0123
(1/3)^5 = 0.0041
5^1 = 5
-5^2 = 25
hope this helps. i am in algebra two so you can trust my answer. Happy Holidays! stay safe
witch expression is equivalent to |-5| + |3|
A -8
B -2
C 2
D 8
Answer:
D
Step-by-step explanation:
WHEN APPLY MOD | | , we consider making every values in it positive.
so, equation becomes:
+5 + (+3)
= +8
therefore, D 8
Answer:
D
Step-by-step explanation:
The absolute value function always gives a positive result, that is
| - a | = | a | = a
Given
| - 5 | + | 3 |
= 5 + 3
= 8 → D
Solve for the variable x.
4(x - 11) = -210
Answer: Divide both sides by the numeric factor on the left side, then solve.
Exact Form: x= −83/2
Answer: x = -41.5
Step-by-step explanation:
Distribute the 4 that is outside of the parentheses.
4 times x = 4x
4 times -11 = -44
Then to isolate the variable add 44 to both sides of the equation to cancel out -44.
-44 + 44 = 0
-210 + 44 = -166
Now your equation should 4x = -166
To find x, divide both sides of the equation by 4.
4x divded by 4 is x.
-166 divded by 4 is -41.5.
So the answer is x = -41.5.
To check the answer, plug in -41.5 to the x.
4(-41.5 - 11) = -210
If a polynomial 2x( raised to power 3) -9x +15x +p, when divided by (x-2), leaves -p as remainder, then p is equal
Answer:
p is -5
Step-by-step explanation:
If a polynomial 2x³-9x² +15x +p is divided by (x-2), then the remainder is gotten by equating the divisor x - 2 to zero
If x - 2 = 0
Add 2 to both sides
x - 2 + 2 = 0 + 2
x = 2
Substitute x = 2 into the expression to get the remainder:
If p(x) = 2x³-9x² +15x +p
p(2)= 2(2)³-9(2)² +15(2) +p
p(2) = 2(8) - 9(4) + 30 + p
p(2) = 16-36+30+p
p(2) = -20 + 30 + p
p(2) = 10+p
Since the remainder given in question is - p, to get p, we will equate p(2) to -p as shown
p(2) = -p
10+p = -p
10 = -p-p
10 = -2p
p = 10/-2
p = -5
Hence the value of p is -5
Which expression represents a positive number? A. -9.8 x (-23.5) B. 9.8 x (-23.5) C. 23.5 x (-9.8) D. -23.5 x 9.8
Answer: Option A
Step-by-step explanation: if we multiply two negative numbers we get a positive result, pls give brainliest
Answer:
A represents a positive number
Step-by-step explanation:
(−9.8) x (-23.5) = 230.3x
I’m very confused on this! Where do I even start on here?? This is extra credit for my geometry class !
help me with these questions
Answer:
for the graph all you do is graph the points
the slope is 2
y-intercept is 8
equation- y=2x+8
and 18 dollars for 5 pizzas
Step-by-step explanation:
7 less than 1/4 of x is y.
!!!ANSWER ASAP!!!
Answer: y= 1/4x -7
Step-by-step explanation:
Solve 4x- c= k for x.
A. x = 4(k+ c)
B. x = k +c / 4
C. x = k-c/4
D. x = 4(k - c)
Answer:
The answer would be x= C+K/ 4
More than 200 universities in the United States and many more worldwide have sport management programs. Approximately how many are accredited by the Commission on Sport Management Accreditation (COSMA)
Answer:
54 programs
Step-by-step explanation:
As of today's date 12/25/2020, there are a total of 54 programs that have been accredited by the Commission on Sport Management Accreditation (COSMA). Each university program that has been accredited can be found on COSMA's official website along with the date in which each program was officially accredited and the basic information regarding the program and its university. More and more programs are being added as time goes by.
Find zeros of the following equation
4x-3=x+2
Answer:
4x-3=x+2
4x-x=3+2
3x=5
x=5/3