Brainliest? Does the table represent a function? Why or why not? Plz put ABC or D

The answer is the second option which is : - 29

Answer:

29

Step-by-step explanation:

Answer:

a) mean=1,8 b) mean=3.6 c) mean=7.2

Step-by-step explanation:

a) 2.4 +1.6+ 3.2+ 0.3+ 1.5=9

9/5=1.8  

b) 4.8+3.2+6.4+0.6+3=18

18/5=3.6

c)9.6+6.4+12.8+1.2+6=36

36/5=7.2

Answer:mean is 1.8

Step-by-step explanation:

Add all up divide by 5

Answer:

f(x) = 9(x + 5)2 - 6 (-5,-6)

f(x) = 6(x + 9)2 - 5 (-9,-5)

f(x) = 9(x - 5)2 + 6 (5,6)

f(x) = 6(x - 5)2 - 9. (5,-9)

f(x) = 5(x - 6) +9. (6,9)

Step-by-step explanation:

To find the vertex: for the x-coordinate, take the "h" in the parentheses (x + h) and reverse its sign. For the y-coordinate, use the "k" term as-is.

The coordinates of the vertex of the equations are:

The vertex form of the quadratic function is given as:

y = a(x -h)^2 + k

Where:

Vertex = (h,k)

Using the above highlight, the coordinates of the vertex of the equations would be:

f(x) = 9(x + 5)^2 - 6

Vertex = (-5,-6)

f(x) = 6(x + 9)^2 - 5

Vertex = (-9,-5)

f(x) = 9(x - 5)2 + 6

Vertex =(5,6)

f(x) = 6(x - 5)^2 - 9

Vertex = (5,-9)

f(x) = 5(x - 6) +9

Vertex = (6,9)

Read more about vertex quadratic functions at:

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Answer:

x = 37 degrees

Step-by-step explanation:

Let the unknown angle be x

So,

Tan x = [tex]\frac{opposite}{Adjacent}[/tex]

Opposite = 3, Adjacent = 4

Tan x = [tex]\frac{3}{4}[/tex]

Tan x = 0.75

x = [tex]tan ^{-1} 0.75[/tex]

x = 37 degrees

Step-by-step explanation:

(-2)-(+15)=(-17)

the difference between those two temperature s is (-17)

Answer:

The answer is a

Step-by-step explanation:

Using point (0,0) and (3,-9)

Slope of the line = -9-0/3-0 = -9/3 = -3

Equation of the line using point (0,0)

y - 0 = -3(x -0)

y= -3x

Hope this helps.

Answer:

y = -3x 2

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

Answer:

  n = 6

Step-by-step explanation:

The left side is 8/12 = 2/3 the length of the bottom, so ...

  n = (2/3)(9)

  n = 6

Answer:

Step-by-step explanation:

brodha,,,

ur answer is

c)) 2sinxcosx

Step-by-step explanation:

where is figure man

.....

Answer:

The answer is:  ∠ R

Answer:

1/4 & 1/2

Step-by-step explanation:

4 sides to the dice

2 sides to coin

Answer:1/12

Step-by-step explanation:

The probability of getting a three on a fair die is 1/6

The probability of getting tails on an unbiased coin is 1/2

Then the probability of getting a three on a fair die and tails on an unbiased coin is 1/6 x1/2=1/12

Answer:

  D.  (-2, -7)

Step-by-step explanation:

I find the easiest way to locate the vertex or x-intercepts is to use a graphing calculator (see below). The vertex is the extreme point on the graph. For this function, it is (-2, -7), choice D.

__

The axis of symmetry of the graph is the vertical line such that every point on the left is a mirror image of the corresponding point on the right. Here, that axis of symmetry is x=-2. (It is shown as a dashed orange line on the graph.)

The location of the axis of symmetry for quadratic ...

  y = ax^2 +bx +c

is x = -b/(2a).

For your function,

  y = 2x^2 +8x +1

the coefficients are a = 2, b = 8, c = 1. This means the axis of symmetry is ...

  x = -b/(2a) = -8/(2(2)) = -2

The vertical line at x=-2 is the axis of symmetry.

The vertex is on the axis of symmetry. Its y-value is found by evaluating the function for x = -2 (the x-value of the axis of symmetry).

  y = 2·(-2)^2 +8(-2) +1 = 2·4 -8·2 +1 = 8 -16 +1

  y = -7 . . . . at the vertex

So, the (x, y) coordinates of the vertex are (-2, -7).

Answer:

D. (-2, -7)

Step-by-step explanation:

y= 2x²+8x+1

The vertex is max or min of the graph, for the given function it is

x = -b/2a for a>0

so x= - 8/4= -2

for the point of x= -2

y= 2*4 - 16 + 1 = - 7

So vertex is  (-2, -7), choice D.

Answer:

The angle [tex]\theta[/tex] measures approximately [tex]28.81^o[/tex]

Step-by-step explanation:

Since this problem involves the finding of an angle in a right angle triangle for which we know the opposite side and the adjacent side, the trigonometric function that relates them is the tangent:

[tex]tan(\theta)=\frac{opposite}{adjacent}[/tex]

Then, for our case we get a starting equation that reads:

[tex]tan(\theta)=\frac{opposite}{adjacent} \\tan(\theta)=\frac{7.7}{14}[/tex]

and for which we need to solve for [tex]\theta[/tex]. Then we use the arctangent function to get the final answer:

[tex]tan(\theta)=\frac{7.7}{14} \\\theta=arctan(\frac{7.7}{14})\\\theta= 28.81^o[/tex]

Answer:

250 ft

Step-by-step explanation:

circumference of circle 'C' is defined as

C = 2πr

250π = 2πr

r = 250π/2π

r= 125

d = 2r = 2×125 = 250 .

diameter of the given circle is 250 ft

The diameter of the circle is 250ft

Data;

The formula of circumference of a circle is given as

[tex]c = 2\pi r[/tex]

Let's substitute the values in here and solve

[tex]c = 2 \pi r\\250\pi = 2 \pi r\\r = 125ft[/tex]

The length of the radius is 125ft

But the length of diameter of a circle is twice the length of the radius

[tex]d = 2r\\d = 2 * 125\\d = 250ft[/tex]

The diameter of the circle is 250ft

Learn more on circumference of a circle here;

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An image is attached to complete the question.

Answer:

The correct option is B

They are complementary.

Step-by-step explanation:

Angle A, and angle B in the attached image sum up to ninety degrees.

Two angles are said to be complementary if they add up to make ninety degrees. This characteristic makes us conclude that the two given angles, which are 59°, and 31°, have the sum: 59° + 31° = 90°, and are therefore, complementary.

The correct option is B.

If the attachment is not what completes your question, then knowing the meanings of supplementary angles, and congruent angles, is enough to help decide what option to choose.

Supplementary angles are angles that sum up to make one hundred and eighty degrees. (180°)

Congruent angles are angles that have the same shape and size.

Answer:

They are complementary.

Step-by-step explanation:

See attachment for the missing figure.

As in the figure, its the right angle triangle.

∠A+∠B=90° ( by complementary angles  )

Lets verify now,

59°+31°=90° is correct

Angle A and Angle B are complementary angles

Answer:

second option

Step-by-step explanation:

Using the rule of radicals

[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]

Simplifying the radicals

[tex]\sqrt{27x^{3} }[/tex]

= [tex]\sqrt{9(3)x^2.x}[/tex]

= [tex]\sqrt{9}[/tex] × [tex]\sqrt{3}[/tex] × [tex]\sqrt{x^2}[/tex] × [tex]\sqrt{x}[/tex]

= 3 × [tex]\sqrt{3}[/tex] × x × [tex]\sqrt{x}[/tex]

= 3x[tex]\sqrt{3x}[/tex]

-------------------------------

[tex]\sqrt{12x^{3} }[/tex]

= [tex]\sqrt{4(3)x^2.x}[/tex]

= [tex]\sqrt{4}[/tex] × [tex]\sqrt{3}[/tex] × [tex]\sqrt{x^2}[/tex] × [tex]\sqrt{x}[/tex]

= 2 × [tex]\sqrt{3}[/tex] × x × [tex]\sqrt{x}[/tex]

= 2x[tex]\sqrt{3x}[/tex]

---------------------------------------

Thus

3 × 3x[tex]\sqrt{3x}[/tex] - 2 × 2x[tex]\sqrt{3x}[/tex]

= 9x[tex]\sqrt{3x}[/tex] - 4x[tex]\sqrt{3x}[/tex]

= 5x[tex]\sqrt{3x}[/tex]

Answer:

Second option "B. 4" is the correct choice.

Step-by-step explanation:

[tex](-8)^{\frac{2}{3}}\\\\\mathrm{Apply\:exponent\:rule}:\quad \left(-a\right)^{\frac{m}{n}}=\left(-1\right)^{\frac{m}{n}}\left(a\right)^{\frac{m}{n}}\\\\=\left(-1\right)^{\frac{2}{3}}\cdot \:8^{\frac{2}{3}}\\\\=1\cdot \:8^{\frac{2}{3}}\\\\=8^{\frac{2}{3}}\\\\=\left(2^3\right)^{\frac{2}{3}}=2^{3\cdot \frac{2}{3}}=2^2\\\\=4[/tex]

Best Regards!

Answer:

4 (Answer B)

Step-by-step explanation:

Note that we can rewrite the given expression as

{ ∛(-8)}²             In words:  the square of the cube root of -8

This simplifies to (-2)²  which in turn is 4 (Answer B)

Answer:

  60°

Step-by-step explanation:

We know triangle ABC is an equilateral triangle, since all of its side measures are the radii of the circles. That means angle BAC is 60°. Likewise, angle BAD is 60°, so arc CD is 120°.

The measure of inscribed angle CED is half the measure of the intercepted arc CD, so is ...

  ∠CED = 120°/2

  ∠CED = 60°

Answer:

C. 5

Step-by-step explanation:

XY= -1-(-5)= 4

ZA= A-1= 4 ⇒ A=1+4= 5

A=5

Answer:

x > -2

Step-by-step explanation:

3(x + 2) > 0

Expand the brackets.

3x + 6 > 0.

Subtract 6 on both sides of the inequality.

3x + 6 - 6 > 0 - 6

3x > -6

Divide 3 into both sides of the inequality.

3x/3 > -6/3

x > -2

Answer:

It depends

Step-by-step explanation:

If you are given a right triangle, you use Pythagorean Theorem: a² + b² = c²

If you are given an angle but its not a right triangle, you can use either Law of Sines: [tex]\frac{A}{sin(a)} = \frac{B}{sin(B)} = \frac{C}{sin(C)}[/tex] or Law of Cosines: [tex]c^2 = a^2 + b^2 -2abcosC[/tex].

Answer:

Sample Response: Create and label a diagram. Then, using the Pythagorean theorem, substitute the values for corresponding variables into the theorem and solve by applying inverse operations.

Step-by-step explanation:

Edge 2021

The exponent numerical expression 10⁻⁸ in the simplified form will be 1/10⁸.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

The exponent numerical expression is given below.

⇒ 10⁻⁸

We know that a⁻ⁿ = 1/aⁿ. Then the expression is written as,

⇒ 10⁻⁸

⇒ 1 / 10⁸

The exponent numerical expression 10⁻⁸ in the simplified form will be 1/10⁸.

More about the Algebra link is given below.

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Answer :

T.S.A = 200 cm²

Answer:

x = - 1

Step-by-step explanation:

The x- coordinate of the vertex is mid way between the roots of the quadratic.

The difference between x- coordinate of vertex and the given root is

difference = | - 3 - (- 5) | = | - 3 + 5 | = | 2 | = 2

Thus the other root is 2 units to the right of x = - 3, that is

x = - 3 + 2 = - 1

The other root is x = - 1

Answer:

  (a)  5n -300 = 1500

Step-by-step explanation:

Profit is the difference between revenue and cost.

The revenue the fundraiser will generate apparently comes only from ticket sales. At $5 each, the sale of n tickets will result in revenue of 5n dollars.

The cost the team must pay will be the sum of the cost of the DJ and the cost of the decorations. The team's total cost will be ...

  200 +100 = 300

The profit is the difference between revenue and cost. The team wants that difference to be $1500, so an appropriate equation for the number of tickets to sell is ...

  revenue - cost = profit

  5n -300 = 1500

Answer:

5n - 300 = 1,500

Step-by-step explanation:

just got it right on edge

Answer:

50 pounds

Step-by-step explanation:

This situation can be expressed as:

11x-30=5x+30

6x-30=30

6x=60

x=10

5x=50

Paul originally had 50 pounds. Hope this helps!

Answer:

m∠2 = 78°

Step-by-step explanation:

Two lines 'l' and 'm' are parallel and another line 'n' is a transverse.

Since ∠2 and ∠3 are the consecutive interior angles,

Therefore, sum of these angles will be 180°.

m∠2 + m∠3 = 180°

(18x + 6)° + (21x + 18)° = 180°

(18x + 21x) + ( 6 + 18) = 180

39x + 24 = 180

39x = 180 - 24

39x = 156

x = [tex]\frac{156}{39}[/tex]

x = 4

Since, m∠2 = (18x + 6)°

By substituting the value of x = 4,

m∠2 = (18×4) + 6

        = 72 + 6

        = 78°

Therefore, measure of angle 2 is 78°.

Answer:

Irrational

Step-by-step explanation:

root of 5 = 2.23606797749978969640917366873127623544061835961152572427089…

This number never ends. Another term for it would be a recurring decimal, but it is not exact. Anyway, the square root of 5 is irrational since it is not defined to stop. Even if it was rounded, it would not be exact.

Hope this Helps.