Which graph shows the solutions to x^2+3x-1 ≥ 0

Answer:

a. cone. Since it's the only shape with one base and a vertex not on the same plane

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

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

Step-by-step explanation:

X= raspberry

X = 600 ÷ 11 = 54 batches

[ 60 minutes = 1 hour]

[600 minutes = 10 hours]

Y = peach

Y = 600 ÷ 8 = 75 batches

Answer:

its b

Step-by-step explanation:

it just is

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.

Answer:

3(-1)-5-6(-1)-2. You found the value of X, so you need to put it back into the equation to see if it equals out.

Answer:

-3

Step-by-step explanation:

3x-5-6x-2= -1

-3x -7 = -1

-3x= 7-1

-3x= 6

x= 6/(-2)

x= -3

---------

proof:

3*(-2)- 5- 6*(-2)- 2= -1

-6 -5 +12 -2 = -1

-13+12= -1

-1= -1

done

Answer:

Math is not a very easy subject and not everyone can master it.All that is needed are focus,dedication and confidence.You should try practicing in your weak areas or seek help to get a better understanding.

Step-by-step explanation:

I really hope this helps :)

yeh what that guy said

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: -7, -1, 5, -5

Step-by-step explanation:

In order to find the inverse, swap the x's and y's and solve for y.

[tex]y=\dfrac{5x+1}{-x+7}\\\\\\\underline{Swap\ the\ x's\ and\ y's}:\\x=\dfrac{5y+1}{-y+7}\\\\\\\underline{\text{Multiply both sides by -y+1 to clear the denominator}}:\\x(-y+7)=5y+1\\-xy+7x=5y+1\\\\\\\underline{\text{Add xy and subtract 1 from both sides}}:\\7x-1=xy+5y\\\\\\\underline{\text{Factor out the y from the right side}}:\\7x-1=y(x+5)\\\\\\\underline{\text{Divide x+5 from both sides}}:\\\dfrac{7x-1}{x+5}=y[/tex]

Since the boxes you need to fill in show -x in the denominator, multiply the equation by -1/-1:

[tex]y=\dfrac{-1}{-1}\bigg(\dfrac{7x+1}{x+5}\bigg)\\\\\\\large\boxed{f^{-1}(x)=\dfrac{-7x-1}{-x-5}\qquad for\ x \neq -5}[/tex]

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:

  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

The answer is the second option which is : - 29

Answer:

29

Step-by-step explanation:

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.

https://brainly.com/question/953809

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Answer:

Step-by-step explanation:

brodha,,,

ur answer is

c)) 2sinxcosx

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:

From the sum of angles on a straight line, given that the rotation of each triangle attached to the sides of the octagon is 45° as they move round the perimeter of the octagon, the angle a which is supplementary to the angle turned by the triangles must be 135 degrees

Step-by-step explanation:

Given that the triangles are eight in number we have;

1)  (To simplify), we consider the five triangles on the left portion of the figure, starting from the bottom-most triangle which is inverted upside down

2) We note that to get to the topmost triangle which is upright , we count four triangles, which is four turns

3) Since the bottom-most triangle is upside down and the topmost triangle, we have made a turn of 180° to go from bottom to top

4) Therefore, the angle of each of the four turns we turned = 180°/4 = 45°

5) When we extend the side of the octagon that bounds the bottom-most triangle to the left to form a straight line, we see the 45° which is the angle formed between the base of the next triangle on the left and the straight line we drew

6) Knowing that the angles on a straight line sum to 180° we get interior angle in between the base of the next triangle on the left referred to above and the base of the bottom-most triangle as 180° - 45° = 135°.

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:

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:

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

Answer:

0.25

0.65

Step-by-step explanation:

Looking at the question, we can see that we were not given the probability of selecting a yellow ball.

Hence the probability of this is;

1-0.35-0.4 = 1-0.75 = 0.25

The probability that the selected ball is yellow is 0.25

The probability that it is not red means it is either yellow or green

What this means is that we add the probability of yellow to the probability of green

= 0.25 + 0.4 = 0.65

Answer:

Hey!

your answer is

25.0

Step-by-step explanation:

this is my working out below

Answer:

108

Step-by-step explanation:

The measure of interior angle after a 9[tex]0^{o}[/tex] rotation is 10[tex]8^{o}[/tex]

In the pentagon, the sum of the interior angles is equal to 540°. If all the sides are equal and all the angles are of equal measure, then it is a regular pentagon. Otherwise, it is irregular. In the regular pentagon, each interior angle measures 108°, and each exterior angle measures 72°.

according to the question

After rotation the size of the interior angle stays the same.

10[tex]8^{o}[/tex] = 10[tex]8^{o}[/tex]

Hence, the measure of interior angle after a 9[tex]0^{o}[/tex] rotation is 10[tex]8^{o}[/tex]

To learn more about regular pentagon from here

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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;

https://brainly.com/question/14283575

Answer:

Step-by-step explanation:

We'll call height h.

The equations of a cone and sphere are:

Cones: 1/3 * base area * h

Spheres: 4/3 π * r³

The base area of a cone would be the area of a circle equation:

π * r² = π * 2² = 4π.

Because you're converting from sphere to cone, you would set their equations equal to each other.

1/3 * 4π * h = 4/3 π * 5³

Next, isolate h.

h = (4/3 π * 5³)/(1/3 * 4π)

h = 125

Hope this helps!

Answer:125

Step-by-step explanation:

Step-by-step explanation:

where is figure man

.....

Answer:

The answer is:  ∠ R

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

Step-by-step explanation:

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

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

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:

C. 5

Step-by-step explanation:

XY= -1-(-5)= 4

ZA= A-1= 4 ⇒ A=1+4= 5

A=5