Find the value of X in the parallelogram

Answer:

A

Step-by-step explanation:

99/479

formula: girls in action divided by everyone

Answer:. An equation is a mathematical statement that shows the equal value of two expressions while an inequality is a mathematical statement that shows that an expression is lesser than or more than the other. 2. An equation shows the equality of two variables while an inequality shows the inequality of two variables.

Step-by-step explanation:

Answer:

  A: The transformations are a rotation and a translation.

Step-by-step explanation:

The function f(x) is shown in the attachment as a dashed red line. The function g(x) is shown as the blue line.

The two lines have different slopes. The change in slope can be accomplished by horizontal or vertical scaling, or by rotation. The offered answer choices only include rotation as an option for changing the slope.

The two lines have different intercepts. To move the line from one intercept to another, generally translation is involved.

The simplest transformation is rotation and translation.

_____

Comment on the answer choices

If the reflection is done across a line other than an axis, or if the rotation is done about a point other than the origin, then any combination of rotation, reflection, and translation can be used to make the transformation seen. (Translation alone is not sufficient.)

For example, reflecting the line across the bisector of the angle between the lines (a line with a slope of (√13 -2)/3 through (5, 5)) will give the desired transformation in one step.

Similarly, a rotation of about 33.69° about the point (5, 5) will give the transformation in on step. (That angle is 45°-arctan(1/5).)

Answer: 926.7°C

Step-by-step explanation:

1700°F=926.7°C

(1700°F-32)•5/9=926.667°C

926.667°C rounded to one decimal place 926.7°C

The jeweler needs 926.7 °C temperature to melt 18-karat gold.

Temperature is a measurement to observe heat. The S.I. unit of temperature is Kelvin.

Given that,

Melting point of 18-karat gold is 1700 Fahrenheit

To convert Fahrenheit into Celsius, use formula,

C = 5/9(F-32),

C=5/9(1700-32)

C=5/9×1668

C=926.666

The required temperature in Celsius is 926.7 °C.

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Answer: 2) 1767.1

Step-by-step explanation:

For a sphere, V=(4 /3)πr^3.  A diameter is 2r.  Thus the radius of the circle is 7.5 inches.  Thus, the volume is about 1767.15.

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Answer:

B:

Distribute –4 to get –8x – 1 > 5 – 3x.

Answer:

125%

Step-by-step explanation:

1. Set up the equation

425/340 = x/100

(percentages are out of 100 so this equation means 425 out of 340 is equal to a number out of 100)

2. Cross multiply

340x = 42500

3. Solve for x

x = 125

Answer:

125%

Step-by-step explanation:

425-340 is 85.

85 of 340 is 0.25, which means it is 25% of 240.

Since 425 is greater than 340, add 100% to the 25% you found with 85.

425 = 300 + 85

y = 100% + 25%

125%

Answer:

18

Step-by-step explanation:

Plug in the values.

3(4) - 2(-3)

12 - - 6

12 + 6

= 18

Answer:

18

Step-by-step explanation:

[tex]3x - 2y \\ = 3 \times 4 - 2 \times (-3) \\ = 12 + 6 \\ = 18[/tex]

Answer:

C. Mason goes on vacation with her family for 4 days. Each morning, she bikes 6 kilometers to the donut shop and then 3 more kilometers to the swimming hole. She rides home from the swimming hole in her mom's car. How many kilometers does Mason bike on vacation?

Step-by-step explanation:

For A., the equation would be 4 + 6 - 3

For B., the equation would be 3 x (6 + 4)

So our only option is C.

For C., the equation would be 4 x (6 + 3)

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▹ Answer

C. Mason goes on vacation with her family for 4 days. Each morning, she bikes 6 kilometers to the donut shop and then 3 more kilometers to the swimming hole. She rides home from the swimming hole in her mom's car. How many kilometers does Mason bike on vacation?

▹ Step-by-Step Explanation

The equation for A would be → 4 + 6 -3

The equation for B would be → 3 × (6 + 4)

The equation for C would be → 4 × (6 + 3)

Therefore, C is the correct answer.

Hope this helps!

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Answer:

5 words.

Step-by-step explanation:

We have been given a graph that shows the number of words remembered after 5 minutes and the number of text messages sent to the participants as distractions. We are asked to find the number of words learned by a student, if he or she is distracted by 7 text messages.

We can see that x-axis represents number of sent text messages and y-axis represents number of words learned by a student.

To find the number of words learned by a student, when student is distracted by 7 text messages, we need to find the y-coordinate corresponding to  on the given line.

We can see that the value of y is 5 at , therefore, a person will remember 5 words, if he or she is distracted by 7 text messages.

5 words would a person remember after being distracted by 7 text messages.

The graph is simply a structured representation of the data. It aids in our comprehension of the data. The numerical information gathered through observation is referred to as data.

In a line graph, the information or data is represented as a series of markers, or dots, and is then connected to one another by a straight line.

Given:

A graph that displays the number of words retained after 5 minutes and the quantity of text messages sent to participants to serve as diversions has been provided to us.

We can see that the y-axis shows how many words a pupil has learned, and the x-axis shows how many text messages have been sent.

It is necessary to locate the y-coordinate on the supplied line that corresponds to the value of x=7 in order to determine how many words a student acquired while being distracted by 7 text messages.

A person will only retain 5 words if they are distracted by 7 text messages, as we can see from the value of y at x=7.

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Answer:

children take 3 pieces of candy are 6

Step-by-step explanation:

x+y=19-1          x+y=18

3x+5y=85-7    3x+5y=78

eliminate x by multiplying the first equation by 3:

3x+3y=54

3x+5y=85   subtract

(3x+3y)-(3x+6y)=54-78

3x-3y-3x-5y=-24

-2y=-24         y=-24/-2=12

y=12 , substitute for y:

x+y=18

x=18-12

x=6

check: 3x+5y=78

3(6)+5(12)=78

18+60=78 correct

Answer:

hope it will help uh.....

Answer:

[tex]39.8^{\circ} C[/tex]

Step-by-step explanation:

We are given that the temperature each hour in Elma Texas on October 1 is modelled by the equation

[tex]t(h)=10cos(15h-10)^{\circ}+30[/tex]

Where h=Hour of the day with 0 meaning midnight

t=Temperature in degree Celsius

We have to find the temperature on October 1.

Substitute h=0

[tex]t(0)=10cos(15(0)-10)+30[/tex]

[tex]t(0)=10cos(-10)+30[/tex]

[tex]t(0)=39.8^{\circ} C[/tex]

Hence, the temperature in Elma on October 1=[tex]39.8^{\circ} C[/tex]

Answer:

n = 25

Step-by-step explanation:

Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operation, and is:

Parenthesis

Exponents & roots

Multiplication

Division

Addition

Subtraction

~

First, subtract 7 from both sides:

(-1/5)n + 7 (-7) = 2 (-7)

(-1/5)n = 2 - 7

(-1/5)n = -5

Next, multiply -5 from both sides:

(-1/5)(-5)n = (-5)(-5)

n = -5 * -5

n = 25

25 is your answer for n.

~

Answer: n = 25

Step-by-step explanation: In this equation, our first step is to isolate the n term by subtracting 7 from both sides.

On the left, +7 -7 cancels and we're left with -1/5n.

On the right, 2 - 7 simplifies to -5.

So we have -1/5n = -5.

In order to get n by itself, since it's being multiplied by a fraction,

we multiply both sides of the equation by the reciprocal of that fraction.

The reciprocal of -1/5 is -5/1.

So we multiply both sides of the equation by -5/1.

So we have (-5/1)(-1/5n) = -5(-5/1).

On the left, our 1's cancel and our 1's cancel.

Also, remember that a negative times a negative is a positive.

So on the left we are left with n.

On the right, -5(-5/1) is 25.

So n = 25.

Answer:

Triangle E, F, G and Triangle T, U, V.

Step-by-step explanation:

They both are congruent because have the same shape, same size, and they both mirror each other.

Answer:

Triangle EFG and triangle TVU

Step-by-step explanation:

You must use congruent segments and keep track of the corresponding sides and vertices.

Triangle EFG and triangle TVU

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Answer:

16 minutes.

Step-by-step explanation:

Create an equation in the form y = mx + b to solve this problem. Begin by solving for the rate of change of the table using the slope formula:

[tex]m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

Plug in values from the table into the equation:

[tex]m = \frac{64 - 40}{9 - 5}[/tex]

Simplify:

[tex]m = \frac{24}{4}[/tex]

m = 6.

Plug in the slope and a point from the table into the equation

y = mx + b

40 = 6(5) + b

40 = 30 + b

40 - 30 = b

b = 10.

Rewrite the equation:

y = 6x + 10

To solve for how long it took her to ride 1 km, plug 1 into the equation:

y = 6(1) + 10

y = 6 + 10

y = 16 minutes.

Answer:

Step-by-step explanation:

If the distance between Singapore and Sydney is 6300 km correct to the nearest 100 km, it means that the actual distance could have been at least 6250 km. If the businessman travelled from Singapore to Sydney and then back to Singapore for six times in a year, it means that he covered each distance 12 times(6 × 2) Then, his total distance would be between

6250 × 12 = 75000 km

And

6300 × 12 = 75600 km

The limit is between 75000 km and 75600 km

The limits is the total distance he travelled is 75,000 km and 75,600km.

The total number of times the businessman travelled from Singapore to Sidney is 12 times. This was determined by multiplying 6 by 2.  If the distance is to the nearest 100km, the actual distance would range from 6250 to 6300km. This is because both distances to the nearest 100km is 6300.

Upper bound = 6250 x 12 = 75,000 km

Lower bound = 6300 x 12 = 75,600 km.

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Answer:

90 cm is submerged (depth of water)

Step-by-step explanation:

Refer to diagram attached.

Let

x = total length of the lotus stem

16 = exposed part of stem

56 = horizontal displacement.

Hence

depth of water = x-16

Using the Pythagorean theorem,

(x-16)^2 + 56^2 = x^2

Expand

x^2 -32x + 256 +3136 = x^2

Simplify

3392 = 32x

x = 3392/32 = 106

Depth of water = x-16 = 106 - 16 = 90 cm

Answer:

The number of women teachers attending the lecture is 1.

Step-by-step explanation:

Denote the variables as follows:

M = men

W = women

T = teacher

The data provided is:

n (M) = 23

n (W) = 29

n (T) = 4

n (M ∪ T) =  24

Compute the number of men teachers as follows:

[tex]n(M\cap T)=n(M)+n(T)-n(M\cup T)[/tex]

               [tex]=23+4-24\\=3[/tex]

Compute the number of women teachers as follows:

        [tex]n(T)=n(M\cap T)+n(W\cap T)[/tex]

             [tex]4=3+n(W\cap T)[/tex]

[tex]n(W\cap T)=1[/tex]

Thus, the number of women teachers attending the lecture is 1.

Answer:

y = 5 or y = 1

Step-by-step explanation:

|y - 3| = 2

y - 3 = 2 or y - 3 = -2

y = 5 or y = 1

Answer:

20a² + a

= a(20a + 1)

Step-by-step explanation:

2a + 5a × 4a - a

= 2a + 20a² - a

= 20a² + a

Answer:

18) a. X

19) d. 69°

Step-by-step explanation:

18) A reflection is a transformation where an image is flipped over a line. So V will still be in the same place, it will just be flipped over line B. The only answer that makes sense in X.

19) All the angles in the picture are vertical angles. Vertical angles are angles that are across from each other when two lines cross and they are always equal.

The angle opposite the angle that is 78° is also 78°.

The angle opposite the angle that is 33° is also 33°.

The three angles form a straight line so:

78° + 33° + x = 180°

111° + x = 180°

x = 69°

Since the angle is a vertical angle and is opposite angle a, angle a will also be 69°.

Hope this helps. :)

This line is in standard form, and the first thing we need to do is convert it into point - slope form or simply isolate y -

2x + 3y = 11, Subtract 2x from either side

3y = - 2x + 11, Divide either side by 3

y = ( - 2x + 11 ) / 3

To derive the parametric equation say x = t -

y = ( - 2t + 11 ) / 3,

or in other words

Solution = y = ( 11 - 2t ) / 3

Answer:

c on ed

Step-by-step explanation:

Answer: (x+2) and (x-6) represents the side lengths.

Step-by-step explanation:

The area of the rectangle is [tex]x^{2} -4x -12[/tex] so in this case to find the side lengths we need to factor out the area.

To factor [tex]x^{2} -4x-12[/tex]  We need to find two numbers that if we multiply together we will have -12 and if we add those two number we will get -4.

-6 and 2 works out  

Because -6 * 2 = -12 and -6 +2 = -4

Now we will rewrite the area as

[tex]x^{2}[/tex] +2x - 6x -12   Group them  

([tex]x^{2}[/tex] +2x) (-6x -12)  factor them

x (x +2)  -6(x+2)  factor out x+2

(x+2)(x-6)  Done!

Answer: The correct answer is A (x+2)(x-6) on Edg 2020;)

Answer:

[tex]\huge\boxed{\sqrt{(125^2)^{-\frac{1}{3}}}=\dfrac{1}{5}}[/tex]

Step-by-step explanation:

[tex]\sqrt{(125^2)^{-\frac{1}{3}}}\qquad\text{use}\ (a^n)^m=(a^m)^n\\\\=\sqrt{\left(125^{-\frac{1}{3}\right)^2}\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=125^{-\frac{1}{3}}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=\dfrac{1}{125^\frac{1}{3}}\qquad\text{use}\ a^\frac{1}{n}=\sqrt[n]{a}\\\\=\dfrac{1}{\sqrt[3]{125}}=\dfrac{1}{5}\qquad\text{because}\ 5^3=125[/tex]

Answer:

a) $50,880

b) $48

c) 1060

Step-by-step explanation:

a)

-320x^2 + 1920x + 48000 = 0

This is a parabola that opens downward. It has a maximum value. The maximum value occurs at x = -b/(2a)

x = -b/(2a) = (-1920)/(2(-320)) = 1920/640 = 3

The maximum revenue, y, is the value of the function evaluated at x = 3.

f(x) = -320x^2 + 1920x + 48000

f(-3) = -320(3)^2 + 1920(3) + 48000

f(-3) = 50,880

The maximum revenue is $50,880

b)

Since maximum revenue occurs at x = 3, and since x represents the number of $4 discounts, the discount is 3 * $4 = $12. The price is $60 - $12 = $48

c)

$50,880/$48 = 1060

Answer:

approximate volume = = 28336 cubic ft.

Step-by-step explanation:

Base area = 70840 sq. ft

Each story is about 10 ft.

approximate height = 12*10 = 120 '

Volume of pyramid

= Base * height /3

= 70840 * 120 / 3

= 28336 cubic ft.

Answer: 2,833,600 [tex]ft^{3}[/tex]

Step-by-step explanation: Please see the image below!

Answer:

- 6

Step-by-step explanation:

[tex]f(x) = {x}^{2} + 4x - 3 \\ \: plug \: x = - 1 \\ f( - 1) = {( - 1)}^{2} + 4( - 1)- 3 \\ f( - 1) = 1 - 4- 3 \\ f( - 1) = 1 - 7 \\ \huge \red{ \boxed{ f( - 1) = - 6}} \\[/tex]

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Answer:

Graphed below.

Step-by-step explanation:

Graphing y = 2x + 1 can be done by finding points on the line. Find the y and x intercepts to make graphing more simple:

Solving for the y-intercept:

y = 2(0) + 1

y = 1, or (0, 1). This is the y-intercept.

Solving for the x-intercept:

0 = 2x + 1

Subtract 1 from both sides:

-1 = 2x

Divide both sides by 2:

x = -1/2, or (-1/2, 0). This is the x-intercept. We can graph the equation given these two points.

Answer:

The paint will not fill the tray by 5.22 in³.

Step-by-step explanation:

V = L × W × H

5 cm → in = 1.9685

V = 12 × 10 × 1.9685

V = 236.22 in³

Available Amount of Paint - 231 in³

236.22 in³ - 231 in³ = 5.22 in³

Hope this helps! :)