Use the diagram to complete the statements.

The measure of angle EJB is (equal to, one-half, twice, 180 minus) the measure of angle BOE.

The measure of angle BDE is (equal to, one-half, twice, 180 minus) the measure of angle BOE.

The measure of angle OED is (equal to, one-half, twice, 180 minus) the measure of angle OBD.

Answer:

B

Step-by-step explanation:

If a sinusoidal function is given in the form y = B Sin x or y = B Cos x, then,

B is called the amplitude of the function. It will define minimum and maximum.

The minimum & maximum of this form of a cos function is B and -B.

The function given is y = 7 Cos x, so the Maximum is 7 and Minimum is -7

Correct answer is B.

FED is 5/4 times bigger than CBA. So, 44×1.25 is 55. 40×1.25 is 50. The perimeter is 125

ANSWER

Period: 2π , amplitude: 4

EXPLANATION

The graphed function is

[tex]y = 4\cos(x) [/tex]

The amplitude of this function is

[tex] |4| = 4[/tex]

The period is 2π because there is no phase shift hence the period is still equal to the parent function.

Period: 2π , amplitude: 4

Answer:

The correct option is 3.

Step-by-step explanation:

The general form of a cosine function is

[tex]f(x)=A\cos (Bx+C)+D[/tex]

where, A is amplitude, 2π/B is period, C is phase sift and D is midline.

[tex]A=midline=\frac{Maximum-Minimum}{2}[/tex]

[tex]A=midline=\frac{4-(-4)}{2}[/tex]

[tex]A=midline=4[/tex]

The amplitude of the function is 4.

The given graph complete a cycle in the interval [0,2π], therefore the period of the graph is 2π.

Therefore the correct option is 3.

Answer:

A (-4, -4), B (-2, 6), C (-1, 1), D(-3, -5)

Step-by-step explanation:

Before the rotation:

A (-4, 4), B (6, 2), C (1, 1), D(-5, 3)

270° rotation clockwise is the same as 90° counterclockwise.  To do that transformation:

(x, y) → (-y, x)

Therefore, the coordinates of the rotated figure are:

A (-4, -4), B (-2, 6), C (-1, 1), D(-3, -5)

The coordinates of the image are:

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

This question is solved applying a 270° clockwise about the origin, which has the following rule:

[tex](x,y) = (-y,x)[/tex]

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

Coordinate A:

At the Figure, coordinate A is A(-4,4). Applying the rule:

[tex](-4,4) = (-4, -4)[/tex]

So the image of A is A'(-4,-4).

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

Coordinate B:

At the Figure, coordinate B is B(6,2). Applying the rule:

[tex](6,2) = (-2, 6)[/tex]

So the image of B is B'(-2,6).

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

Coordinate C:

At the Figure, coordinate C is C(1,1). Applying the rule:

[tex](1,1) = (-1, 1)[/tex]

So the image of C is C'(-1,1).

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

Coordinate D:

At the Figure, coordinate C is D(-5,3). Applying the rule:

[tex](-5,3) = (-3,-5)[/tex]

So the image of D is D'(-3,-5).

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1. The parabola opens upward.

2. It has a minimum value

The explanation is shown below. Also, the graph of this function  is shown below including the vertex.

Answer:

The same number was not added to both sides.

Step-by-step explanation:

The same number was not added to both sides.

In line 2,  6 was added to the left side  and 78 was added to the right side.

The best that describes the error made when solving for the current temperature is that the same number was not added to both sides of the equation.

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The given equation can be solved as shown below.

t - 6 = 78

t - 6 + 6 = 78 + 6

t = 84

Now, if we compare it with the given equation, we can find that the error made when solving for the current temperature is that the same number was not added to both sides of the equation.

Hence, the best that describes the error made when solving for the current temperature is that the same number was not added to both sides of the equation.

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C. shifted 4 units left and 3 units up

If you compare the graphs (ABCD=Blue; A’B’C’D’=Red), you see that ABCD was moved left 4 and up 3 to become A’B’C’D’.

A coordinate system in geometry is a system that employs one or more integers, or coordinates, to define the position. The correct option is A.

A coordinate system in geometry is a system that employs one or more integers, or coordinates, to define the position of points or other geometric components on a manifold such as Euclidean space.

To know the steps that were applied to ABCD to obtain A'B'C'D, we need to observe the coordinates of any one point of the polygon given.

Now, if we look at the coordinates of the points D and D', then it can be observed that point D is shifted 3 units left and 3 units up to form A'B'C'D.

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False.

Replace x with -2 and simplify. 5(-2) + 3 = 13

Multiply. -10 + 3 = 13

Add. -7 = 13

This is not true, so -2 is not a solution, therefore the answer to the question is false.

[tex]\bf ~\hspace{5em} \textit{ratio relations of two similar shapes} \\[2em] \begin{array}{ccccllll} &\stackrel{ratio~of~the}{Sides}&\stackrel{ratio~of~the}{Areas}&\stackrel{ratio~of~the}{Volumes}\\ \cline{2-4}&\\ \cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array}\\\\[-0.35em] ~\dotfill[/tex]

[tex]\bf \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}} \\\\[-0.35em] \rule{34em}{0.25pt}[/tex]

[tex]\bf \cfrac{\textit{small cylinder}}{\textit{large cylinder}}\qquad \stackrel{\stackrel{\textit{ratio of the }}{\textit{sides}}}{\cfrac{3}{6}}= \stackrel{\stackrel{\textit{ratio of the }}{\textit{volumes}}}{\cfrac{\sqrt[3]{V}}{\sqrt[3]{V}}}\implies \cfrac{3}{6}=\sqrt[3]{\cfrac{1000}{V}}\implies \left( \cfrac{3}{6} \right)^3=\cfrac{1000}{V} \\\\\\ \left( \cfrac{1}{2} \right)^3=\cfrac{1000}{V}\implies \cfrac{1^3}{2^3}=\cfrac{1000}{V}\implies \cfrac{1}{8}=\cfrac{1000}{V}\implies V=8000[/tex]

Answer:

by 5

Step-by-step explanation: because tgey wou;d nred help

Answer:

C.) If events A and B are DEPENDENT, then A's occurrence can affect the probability of B's occurrence. For example, when two cards are chosen from a deck without replacement, the possibilities change for the second card.

The depth of the lake is 1.4 kilometers after converting the result to kilometers.

To find the depth of the lake in kilometers when it is 100 centimeters less than 1401 meters, first convert the depth difference to meters.

Since 100 centimeters is equivalent to 1 meter, the actual depth of the lake in meters is 1400 meters (which is 1401 meters - 1 meter).

To convert this depth into kilometers, we divide by 1000, since there are 1000 meters in one kilometer.

Hence, the depth is 1.4 kilometers.

Answer:

6135.9m^3

Step-by-step explanation:

V=3.14r^2 h/3

step by step

1. the radius is half so half of 25 is 12.5 that's the r in your equation

2.the height in your equation is 3 times more then the radius and your radius is 12.5X3 =37.5 for your height

3. plug everything in back into the equation v=3.14(12.5)^2(37.5/3)= 6135.923 when rounded it is 6135.9m^3

For this case we have to:

[tex]cos (F) = \frac {h} {27}[/tex]

That is, the cosine of the angle F, will be equal to the adjacent leg on the hypotenuse.

So, by clearing h we have:

[tex]h = 27 * cos (54)\\h = 27 * 0.58778525\\h = 15.87020175[/tex]

Rounding out the value of h we have:

[tex]h = 15.9[/tex]

Answer:

Option B

Answer:

The correct answer is option b.   15.9

Step-by-step explanation:

Points to remember:-

Trigonometric ratio

Cos θ = adjacent side/Hypotenuse

From the figure we can see a right triangle triangle FGH.

To find the value of h

It is given that, g=27 and F=54°

Cos F =  adjacent side/Hypotenuse

Cos 54 =  adjacent side/Hypotenuse

     = FG/FH = h/g

h = g * Cos F = 27 * Cos 54 = 27 * 0.5878 = 15.87 ≈ 15.9

Therefore the correct answer is option b.  15.9

Answer:

D

Step-by-step explanation:

[tex]\frac{5x}{20} =\frac{45}{36}[/tex]

Cross multiply:

(5x)(36)=(20)(45)

180x = 900

divide by 180.

x=5

The value of x is 5.

Δ ACE ≅ Δ BCD    (by AAA property)

Therefore

[tex]\frac{CD}{CE} = \frac{CB}{CA}[/tex]         ( Similar triangle property)

[tex]\frac{20}{36} = \frac{5x}{45}[/tex]

5x = [tex]\frac{20 * 45}{36}[/tex]

5x = 25

x = 5

Therefore, option D. 5 is the correct answer

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Answer:

S =  264π m²

Step-by-step explanation:

Left cone

= π(6)(8)

= 48π m²

Central cylinder

= 2π(6)(14)

= 168π m²

Right cone

π(6)(8)

= 48π m²

Surface area = 48π + 168π + 48π = 264π m²

The surface area of the composite figure is 264π [tex]m^{2}[/tex]

r = 6m

h = 14m

l = 8m

The curved surface area of the cylinder = 2πrh

= 2*[tex]\pi[/tex]*6*14

=168π [tex]m^{2}[/tex]

The curved surface area of the cone = πrl

=π*6*8

=48π [tex]m^{2}[/tex]

The total surface area of the composite figure  

= CSA of cylinder + 2( CSA of cone )

= 168π + 2*48π

=168π + 96π

= 264π [tex]m^{2}[/tex]

Therefore, option S =  264π [tex]m^{2}[/tex]  is the correct answer

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Answer:

C

Step-by-step explanation:

C:  AB is the radius of both circles.

Answer:

C. line segment AB is the radius of both circles.

Step-by-step explanation:

If point A is the center of the first circle and point B is the center of the second circle (in the figure), therefore Line segment AB is the radius of both circles and we write.

Line segment AB = line segment AC (radius of first circle ) and

line segment  AB =  line segment BC (radius of second circle).

Hence line segment AB is the radius of both circle is the correct option for AB =AC.

Answer:

The correct answer option is D. 17/50.

Step-by-step explanation:

We are given that a jelly bean machine has 16 pink jelly beans, 34 blue jelly beans, 24 black jelly beans and 26 purple jelly beans.

We are to find the probability of getting a blue jelly bean chosen at random.

Total number of jelly beans = 16 + 34 + 24 + 26 = 100

Number of blue jelly beans = 34

P (getting a blue jelly bean) = 34/100 = 17/50

Answer:

0 Kesha is already home 8+4 is 12 and it's 12 miles from the store to her house .-.

Step-by-step explanation:

Answer:

0 more miles.

Step-by-step explanation:

If 12 miles is the total distance from her house to the store the answer should be 0.  She should be at home because 8 miles on the bike + the 4 walked = 12 miles, which is how many she rode to the store in the first place.

Answer:

See below.

Step-by-step explanation:

4x + 3y = -24

We convert to slope/intercept form ( y = mx + b):

3y = - 4x - 24

Divide through by 3:

y = (-4/3)x - 8

Comparing this with y = mx + b:

we see that b ( the y-intercept) is -8.

To find the x -intercept solve (-4/3)x - 8 = 0

(-4/3)x = 8

Multiplying through by -3/4:

x = 8 * -3/4 = -6 = x-intercept.

To draw the graph  draw a line through the points (-6,0) and (0, -8).

Answer:

  -3/4 y-6

Step-by-step explanation:

Answer:

P = 1/2 = 0.5

Step-by-step explanation:

Total amount of cans = 100

Cans of cola = 34

Cans of orange soda = 50

Cans of ginger ale = 12

Cans of root beer = 4

Probability of selecting

- a can of cola = 34/100 = 0.34

- a can of orange soda = 50/100 = 0.5

- a can of ginger ale = 12/100 = 0.12

- a can of root beer = 4/100 = 0.04

Since we are asked the probability that the can selected is a root beer​, cola, or ginger ale, we need to add together the probabilities of each.

P = 0.04 + 0.34 + 0.12 = 0.5 = 1/2

Answer:

  33% off is the better deal

Step-by-step explanation:

1.33 times as much popcorn for the same price is equivalent to 1/1.33 ≈ 0.75 times the price for the original amount of popcorn. That price is equivalent to a sale of 1 - 0.75 = 0.25 = 25% off.

The sale price of 33% off is a better deal (if you don't want the extra popcorn).

Answer:

C2 + a2 +2 = b

Would be the new formula

Answer:

the correct answer is:

a =  √ c^2 − b^2

Step-by-step explanation:

a^2 + b^2 = c^2

Explanation:

a^2 + b^2 = c^2

a^2 = c^2 − b^2

a =  √ c^2 − b^2

Answer:

[tex]\dfrac{11}{30}[/tex]

Step-by-step explanation:

Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.

The probability to select red marble is [tex]\dfrac{3}{5}=0.6.[/tex]

Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.

The probability to select red marble is [tex]\dfrac{3}{10}=0.3.[/tex]

Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.

The probability to select red marble is [tex]\dfrac{1}{5}=0.2.[/tex]

The probability to choose each urn is the same and is equal to [tex]\frac{1}{3}.[/tex]

Thus, the probability that the marble is red is

[tex]\dfrac{1}{3}\cdot 0.6+\dfrac{1}{3}\cdot 0.3+\dfrac{1}{3}\cdot 0.2=\dfrac{1.1}{3}=\dfrac{11}{30}.[/tex]

C seem reasonable to me

Answer:

The required paint for a total of [tex]1.404\ ft^{2}[/tex] is approximate 6 gallons

Step-by-step explanation:

we know that

To find how much paint would I need to buy to paint the walls of all three bedrooms, calculate the area of all three bedrooms

Master Bedroom

The area is equal to

[tex]A1=(16+16+12+2+18)*9=576\ ft^{2}[/tex]

2 Bedroom

The area is equal to

[tex]A2=(12+14+10+10)*9=414\ ft^{2}[/tex]

3 Bedroom

The area is equal to

[tex]A3=(10+10+14+10+2)*9=414\ ft^{2}[/tex]

The total area is equal to

A=A1+A2+A3

[tex]A=576+414+414=1.404\ ft^{2}[/tex]

Approximate one gallon of paint covers 250 square feet

so

[tex]1.404/250=5.6\ gal[/tex]

Answer:

  the correct answers are marked in green below

Step-by-step explanation:

As with any right triangle, the length of the hypotenuse is equal to the root of the sum of the squares of the legs. That root is less than the sum of the leg lengths and greater than the longest leg (for non-zero leg lengths).

_____

Comment on the choices

The relationship is actually ...

  ║u+v║ ≤ ║u║ + ║v║

That makes the first selection possibly correct. It will only be correct if ║u║ or ║v║ is zero. The problem statement does not rule out that case.

Answer:

As with any right triangle, the length of the hypotenuse is equal to the root of the sum of the squares of the legs. That root is less than the sum of the leg lengths and greater than the longest leg (for non-zero leg lengths).

_____

Comment on the choices

The relationship is actually ...

 ║u+v║ ≤ ║u║ + ║v║

That makes the first selection possibly correct. It will only be correct if ║u║ or ║v║ is zero. The problem statement does not rule out that case.

Step-by-step explanation:

ANSWER

B.) 72

EXPLANATION

Recall the expansion for the factorial notation:

[tex]n! = n \times (n - 1) \times (n - 2) \times ...3 \times 2 \times 1[/tex]

We want to simplify

[tex] \frac{9!}{7!} [/tex]

Let us expand the numerator up to 7! while maintaining the denominator.

[tex] \implies \: \frac{9 \times 8 \times 7!}{7!} [/tex]

When we cancel out the common factors,we obtain:

[tex]\implies \: \frac{9 \times 8 \times 1}{1} [/tex]

This simplifies to

[tex]\implies \: \frac{72}{1} = 72[/tex]

The correct answer is B.

Answer:

Tangent is positive in Quadrant III.

Step-by-step explanation:

All trigonometric functions are positive in QUADRANT I

The Sine function is positive in QUADRANT II

The Tangent function is positive in QUADRANT III

The Cosine function is positive IN QUADRANT IV

*ASTC JUST REMEMBER THAT :)*

There are four quadrants in a plane, and the true statement is (b) Tangent is positive in Quadrant III.

There are four quadrants in a coordinate plane, and they have the following properties

Quadrant I

Quadrant II

Quadrant III

Quadrant IV

The above means that the true statement is (b) Tangent is positive in Quadrant III.

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Answer:

V=2197

Step-by-step explanation:

Equation for volume of a cube:

V= side length cubed

V=(13)(13)(13)

V=2197

Answer:

V = 2,197 ft3

Step-by-step explanation:

Your welcome ;)

Answer:

Choice B is correct

Step-by-step explanation:

The given radical division can be expressed in the following form;

[tex]\frac{\sqrt{16x^{3} } }{\sqrt{8x} }[/tex]

Using the properties of radical division, the expression can be expressed in the following form;

[tex]\sqrt{\frac{16x^{3} }{8x} }=\sqrt{2x^{2} }[/tex]

Simplifying further yields;

[tex]\sqrt{2x^{2} }=\sqrt{2}*\sqrt{x^{2} }=x\sqrt{2}[/tex]

Choice B is thus the correct alternative

For this case we must simplify the following expression:

[tex]\frac {\sqrt {16x ^ 3}} {\sqrt {8x}} =[/tex]

Join the terms in a single radical:

\[tex]\sqrt {\frac {16x ^ 3} {8x}} =\\\sqrt {\frac {8 * (2x ^ 3)} {8x}} =\\\sqrt {\frac {2x ^ 3} {8x}} =\\\sqrt {2x ^ 2} =\\\sqrt [n] {a ^ m} = a ^ {\frac {m} {n}}[/tex]

So:

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

Answer:

Option B