Question in picture please answer

Question In Picture Please Answer

Answers

Answer 1

By using the property of linear pair we can prove that m∠2=m∠3 .

Let us use the template that is provided to find the solution.

1. ∠1 and ∠2 are supplementary           (Linear pair)

 ∠3 and ∠4 are supplementary.

2.m∠1 + m∠2 = 180°                        (definition of supplementary angles.)

3.m∠3 + m∠4 = 180°                        (definition of supplementary angles.)

4.m∠1 + m∠2 = m∠3 + m∠4            (Substitution property)

or, m∠1 + m∠2 = m∠1 + m∠3

5. m∠1 =m∠4                                    (given)

6. m∠2 = m∠3                                  ( Subtraction property)

Therefore we can see that the two angles are equal due to the properties of linear pair and substitution property.

A linear pair of angles is formed when two  straight lines intersect at only 1 single point. The angles are known to be a linear pair  if they exactly follow the point where the two straight lines intersect only in a straight line. The sum of the angles in a pair of linear equations is always equal to 180°.

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Related Questions

A small toy rocket is launched from a 48-foot pad. The height ( h, in feet) of the rocket t seconds after taking off is given by the formula h=−3t'2+0t+48. How long will it take the rocket to hit the ground?

Answers

Given: A small toy rocket is launched from a 48-foot pad. The height ( h, in feet) of the rocket t seconds after taking off is given by the formula

[tex]h=-3t^2+0t+48[/tex]

Required: To find out how long will it take the rocket to hit the ground.

Explanation: When the rocket hits the ground its height h=0. Hence

[tex]\begin{gathered} -3t^2+0t+48=0 \\ t^2=\frac{48}{3} \\ t^2=16 \end{gathered}[/tex]

which gives

[tex]t=\pm4[/tex]

Since time can't be negative. Hence t=4 seconds.

Final Answer: t=4 seconds.

The altitude of a triangle is increasing at a rate of 1 centimeters/minute while the area of the triangle is increasing at a rate of 4 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7 centimeters and the area is 91 square centimeters?
____ cm/min

Answers

dh/dt = 2.5 cm/min, dA/dt = 4 cm^2/min. Area = (1/2)bh, 97 = (1/2)b(8.5). b = 194/8.5.

dA = (1/2)h(db) + (1/2)b(dh).

4 = (1/2)(8.5)db + (1/2)(194/8.5)(2.5), db = (4 - (1/2)(194/8.5)(2.5))/((1/2)(8.5)) =-5.77 cm/min.
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Related questions (More answers below)

.
The floor of an elevator shaft is a square with an area of 42.25 square feet. Find the length of
a side of the floor.
Chapter 2 Expor

Answers

Answer:

6.5ft

Step-by-step explanation:

[tex]A=s^{2} \\42.25=s^{2} \\\sqrt[2]{42.25}=\sqrt[2]{s} \\6.5=s[/tex]

Answer:

6.5ft

Step-by-step explanation:

0.25(8+x)=14 I understand just not fully

Answers

25(8+ x)=14

25*8+ 25x =14

200+ 25x= 14

25x=14-200

25x = -186

x = -186/25

x= -7.44

How do I graph this??

Answers

According to the given equation (y = (3/4)x -2) the value of y for x:

Y = {-5 , -2 , 1 , 4}

How is a coordinate plane defined simply?

A coordinate plane is just a two-dimensional plane that is created when two number lines cross. These number lines include the x-axis, a horizontal number line, and indeed the y-axis, a vertical number line.

The coordinate plane where is it?

In a coordinate plane, which is a two-dimensional number line, the vertical line is known as the y-axis and the horizontal line as the x-axis, as you might recall from pre-algebra. These parallel lines cross one another at their zero points. The origin is where we start from.

According to the given data:

Equation:

y = (3/4)x -2

X = {-4 , 0 , 4 , 8}

for each value of x the value of the y :

For x = -4

y = (3/4)x -2

y = (3/4)(-4) -2

y = -5

For x = 0

y = (3/4)x -2

y = (3/4)(0) -2

y = 0 -2

y = -2

For x = 4

y = (3/4)x -2

y = (3/4)(4) -2

y = 1

For x = 8

y = (3/4)x -2

y = (3/4)(8) -2

y = 6 -2

y = 4

According to the given equation (y = (3/4)x -2) the value of y for x:

Y = {-5 , -2 , 1 , 4}

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Order the expressions by choosing <, >, or =.

Answers

On comparing the given expressions we get-

[tex]9^{-2} < (\frac{1}{9}) ^{-1}[/tex]

[tex](\frac{1}{9}) ^{-1} < (\frac{1}{9}) ^{-2}[/tex]

[tex]9^{-1} > 9^{-2}[/tex]

Here, we are given 3 pairs of expression. Let us evaluate them one by one.

[tex]9^{-2}[/tex] _ [tex](\frac{1}{9}) ^{-1}[/tex]

The negative exponent means that the base is the reciprocal raised to a positive power. Thus, [tex]9^{-2}[/tex] can be written as- [tex](\frac{1}{9}) ^{2}[/tex] = 1/81

similarly, [tex](\frac{1}{9}) ^{-1}[/tex] can be written as- [tex](9}) ^{1}[/tex] = 9

Thus, the expression becomes-

1/81 _ 9

clearly we can see that 1/81 < 9

Now, we have [tex](\frac{1}{9}) ^{-1}[/tex] _ [tex](\frac{1}{9}) ^{-2}[/tex]

As shown above, the expression can be simplified as-

[tex](9) ^{1}[/tex] _ [tex](9) ^{2}[/tex]

9 _ 81

clearly we can see that 9 < 81

Next, we have- [tex]9^{-1}[/tex] _ [tex]9^{-2}[/tex]

we can write this as-

1/9 _ 1/81

Clearly, 1/9 > 1/81

Hence, we have solved the given inequalities.

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what is the discrimant of x^2 +x-2=0

Answers

Answer:

Discriminant = 9.

Step-by-step explanation:

Discriminant

[tex]\boxed{b^2-4ac}\quad\textsf{when}\;ax^2+bx+c=0[/tex]

[tex]\textsf{when $b^2-4ac > 0 \implies$ two real roots}.[/tex]

[tex]\textsf{when $b^2-4ac=0 \implies$ one real root}.[/tex]

[tex]\textsf{when $b^2-4ac < 0 \implies$ no real roots}.[/tex]

Given function:

[tex]x^2+x-2=0[/tex]

Therefore:

a = 1b = 1c = -2

Substitute the values of a, b and c into the discriminant formula:

[tex]\begin{aligned} \implies b^2=4ac&=(1)^2-4(1)(-2)\\&=1-4(-2)\\&=1+8\\&=9\end{aligned}[/tex]

Therefore, the discriminant of the given function is 9.

As the discriminant is greater than zero, this implies that there are two real roots.

PLEASE HELP ME !!!!
a) What is the real length of the ship in
centimetres?
b) What is the real length of the ship in
metres?

Answers

The real length of the ship in centimeters is  800000 cm and the real length of the ship in meters is 8000 m

What is ratio and proportion?

Ratio is a comparison tool for like-kind amounts. A:B or a/B is the ratio formula for two numbers, a and b. A ratio is considered to be in proportion when two or more ratios are equal. Fractions form the foundation of the ratio and proportion concepts. The primary pillars on which many other mathematical notions are built are ratio and proportion. When comparing heights, weights, distances, or times, or when adding ingredients to a recipe, for example, ratio and proportion can be used to solve a variety of everyday problems. Ratios are created by dividing two amounts, and proportions are created when two ratios are equivalent. Different ways, such as x: y or x/y, can be used to express a ratio.

The real length in cm

= 8 000 meters in cm

= 800000 cm

The real length

= 8000 m

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Julia had a bag filled with gumballs. There were 2 lemon-lime, 3 watermelon, and 5 grape gumballs. What is the correct sample space for the gumballs in her bag?

a. Sample space = 2, 3, 5
b. Sample space = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
c. Sample space = lemon-lime, watermelon, grape
d.Sample space = lemon-lime, lemon-lime, watermelon, watermelon, watermelon, grape, grape, grape, grape, grape

Answers

If Julia had a bag filled with gumballs and there were 2 lemon-lime, 3 watermelon, and 5 grape gumballs, then the correct sample space for the gumball in her bag is option (D) Sample space = lemon-lime, lemon-lime, watermelon, watermelon, watermelon, grape, grape, grape, grape, grape

The number of lemon limes in the bag = 2 lemon-lime

Number of watermelon in the bag = 3 watermelon

Number of grape gumballs in the bag = 5 grape gumball

Sample space is the set of all the possible outcomes the experiment

Here there are 2 lemon-lime, 3 watermelon and 5 grape gumball

Hence, if Julia had a bag filled with gumballs and there were 2 lemon-lime, 3 watermelon, and 5 grape gumballs, then the correct sample space for the gumball in her bag is option (D) Sample space = lemon-lime, lemon-lime, watermelon, watermelon, watermelon, grape, grape, grape, grape, grape

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Answer:Option B is the correct answer

Here’s the question. Let me know when u have the answer. Also, this is just apart of a homework practice

Answers

Let f(x) be a function; thus, the reflection across the y-axis of f(x) is given by f(-x).

Therefore, in our case,

[tex]g(x)=f(-x)=-(-x)^3-8(-x)^2-9(-x)+11[/tex]

Simplifying,

[tex]\Rightarrow g(x)=x^3-8x^2+9x+11[/tex]

Thus, the answer is g(x)=x^3-8x^2+9x+11, the first option (top to bottom).

The graph of f is given below. Use the graph to determine the following items.
• The z-values, if any, where f has a relative maximum.
• The value(s), if any, of the relative maximum(s) of f.
• The z-values, if any, where f has a relative minimum.
• The value(s), if any, of the relative minimum(s) of f.

Answers

Part 1

Relative maxima are where the function changes from increasing to decreasing.

No x-values satisfy this.

Part 2

None, see above.

Part 3

Relative minima are where the function changes from decreasing to increasing.

No x-values satisfy this.

Part 4

None, see above.

3aX7a= Because I need a lot of help and I also need the answer to 7aX13a

Answers

Answer:

3a x 7a= 21a^2

Step-by-step explanation:

7a x 13a=91a^2

100CPOINTS WILL GIVE BRAINLYEST

Answers

The value of the width is 13.5 cm which is the correct answer would be option (C).

What is the volume of a rectangular prism?

The volume of the rectangular prism is the product of the base area and the height.

Given that the volume of a rectangular prism is 6,142.5 cm³. The height is 16.25 cm and the length is 28 cm

The volume of the rectangular prism

V = Length × Width × Height

6,142.5 = 28 × Width × 16.25

Apply the multiplication operation,

6,142.5 = 455 × Width

Width = 6,142.5 / 455

Apply the division operation, and we get

Width = 13.5 cm

Hence, the value of the width is 13.5 cm.

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Write an equation in slope - intercept form for the line that passes through the given paint andis parallel to the given equation.(9, 12), y = 13x-4

Answers

The equation of a line is given by

[tex]y-y_1=m(x-x_1)[/tex]

where m is the slope of the line and (x1,y1) is a point where the line passes through.

In our case we have a point but we don't have the slope yet, so we have to find it. To do this we have to remember that two lines are parallel if and only if their slopes are equal, that is

[tex]m_1=m_2[/tex]

We know that the line we are looking for is parallel to the line

[tex]y=13x-4[/tex]

we notice that this line in written in the slope-intercept form

[tex]y=mx+b[/tex]

then its slope is 13.

Since the line is parallel to the one we are looking for, our slope is also 13.

Using the point (9,12) and the slope the equation of the line is

[tex]y-12=13(x-9)[/tex]

now we have to write in the slope-intercept form

[tex]\begin{gathered} y-12=13x-117 \\ y=13x-117+12 \\ y=13x-115 \end{gathered}[/tex]

Therefore the line is

[tex]y=13x-115[/tex]

Graph the inequality
x<5

Answers

Draw the graph of x-axis which is lesser than 5 .

What is  Graph inequality ?

In mathematics, a relationship between two expressions or values that are not equal to each other is called inequality.In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.Graphing inequalities is the process of showing what part of the number line contains values that will "satisfy" the given inequality. A graph of this inequality will show what numbers may be used to replace x in our inequality to make a true statement.Linear inequalities can be graphed on a coordinate plane.The solutions for a linear inequality are in a region of the coordinate plane. A boundary line, which is the related linear equation, serves as the boundary for the region.Linear inequalities are different than linear equations, although you can apply what you know about equations to help you understand inequalities. Inequalities and equations are both math statements that compare two values.Equations use the symbol =; inequalities will be represented by the symbols <, ≤, >, and ≥.One way to visualize two-variable inequalities is to plot them on a coordinate plane.

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evaluate the expression 2x + 3 when x = 1.6

Answers

Given the following expression:

[tex]2x+3[/tex]

You need to follow the steps shown below in order to solve the exercise:

1. Since you know the value of "x", you must substitute it into the given equation:

[tex]2x+3=2(1.6)+3[/tex]

2. Now you must solve the multiplication:

[tex]=3.2+3[/tex]

3. Finally, you need to solve the addition in order to find the value of the expression. Therefore, you get that the result is the following:

[tex]=6.2[/tex]

The answer is:

[tex]=6.2[/tex]

If x is 1.6 you do 2x1.6 then add 3. The answer is 6.2

Find the length of the diameter of the circle
with the following equation: (x-4)^2+(y-2)^2=5

Answers

The length of the diameter of the circle is found as the 2×(√5).

What is termed as the equation of the circle?The equation of circle offers an algebraic method for describing a circle given its center and radius length. The equation of a circle differs from the formulas used to calculate a circle's area or circumference. The standard equation for a circle with a radius r and a center at (x1,y1) is: (x−x1)²+(y−y1)²=r².

,

For the given question;

The equation of the circle is given as;

(x-4)^2+(y-2)^2=5

Comparing the equation of the circle with the standard form.

Radius r² = 5

Then, r = √5

Now, the diameter is the twice of the radius.

Diameter = 2×radius

Diameter = 2×(√5)

Thus, the length of the diameter of the circle is found as the 2×(√5).

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What is the missing number in the solution to 968 divided 10

Answers

968 / 10

To divide by the move the coma one place to the left

968/10 = 96.8

Working together, Adam and Pranav can mop a warehouse in 4.63 hours. Had he done it alone it would have taken Pranav 11 hours. How long would it take Adam to do it alone?

Answers

[tex]8hours[/tex]

1)

Note that the more people work together the less time they spend.

This is a question about Proportions, Inverse variation. So let's set the ratios and the proportion given these data.

So we can write out the following ratios:

[tex]\begin{gathered} \frac{1}{x}+\frac{1}{11}=\frac{1}{4.63} \\ \\ \frac{x+11}{11x}=\frac{1}{4.63} \\ \\ 4.63(x+11)=11x \\ 11x=4.63(x+11) \\ 11x-4.63x=11 \\ 6.37x=11 \\ \frac{6.37x}{6.37}=\frac{11}{6.37} \\ x=7.99\approx8 \end{gathered}[/tex]

So, it would take 8 hours for Adam to do it alone.

Write the equation of a line that passes through the points (-1, 3)and (2,6)

Answers

The equation of a line in 2 point form is

[tex]\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1}[/tex]

So, inputting the points, we have

[tex]\begin{gathered} \frac{y-3}{x+1}=\frac{6-3}{2+1} \\ \frac{y-3}{x+1}=\frac{3}{3}=1 \\ \text{cross multiply} \\ y-3=x+1 \\ y=x+4 \end{gathered}[/tex]

So, the equation of our line is y = x + 4

The domain for the relation below is {x| -6

Answers

We need to find the point given the domain and range of the relation:

For domain and range, the result includes the number. Hence, the end values are given by the points.

For point C:

(-6,4)

Because point c is on quadrant two, where x is negative and y is positive.

Also, it takes the higher y value.

For point D:

(6,3)

Because point D is on quadrant 1, where x is positive and y is also positive.

Given f(x) = 4x -5; what is f(4)?

Answers

replace the x with the number in F()
so if f(x)= 4x-5, f(4)= 4•4 -5= 16-5
=11

One 60-to-65 year old man is selected at random. What is the probability of the following events?

Answers

The probabilities that have been calculated here are:

0.240.890.3330.0395

How to solve for the probabilities

The probability that he is a smoker = 0.08 + 0.16

= 0.24

The given probability that has been calculated is 0.24.

The probability that he does not have lung disease = 0.16 + 0.73

= 0.89

The probability that he has lung disease given that he is a smoker

= 0.08 / 0.08 + 0.16

= 0.08 / 0.24

= 0.333

The probability here is calculated to be 0.333

The probability that he has lung cancer given that he does not smoke

= 0.03 / 0.03 + 0.73

= 0.03 / 0.76

= 0.0395

The given probability here is 0.0395

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From a hot-air balloon, Guadalupe measures a 31 degree angle of depression to a landmark thats 316 feet away, measuring horizontally. What’s the balloon’s vertical distance above the ground? Round your answer to the nearest tenth of a foot if necessary

Answers

We will first sketch the problem

Let x be the vertical distance above the ground

Using the trigonometric ratio;

[tex]\tan \theta=\frac{opposite}{adjacent}[/tex][tex]\tan 31=\frac{x}{316}[/tex]

cross-multiply

[tex]x=316\tan 31^o[/tex][tex]x\approx189.9[/tex]

10) If f(x) = 7 – 4x and the domain is {-2,0, 3/4}, find the range.

Answers

For this case we have the following function given:

[tex]f(x)=7-4x[/tex]

We also know that the domain is given by:

[tex]D=\left\lbrace -2,0,\frac{3}{4}\right\rbrace [/tex]

and in order to find the range we need to use the domain given:

[tex]f(-2)=7-4(-2)=7+8=15[/tex][tex]f(0)=7-(4\cdot0)=7[/tex][tex]f(\frac{3}{4})=7-4\cdot\frac{3}{4}=7-3=4[/tex]

So then the range for this case would be given by:

[tex]R=\left\lbrace 15,7,4\right\rbrace [/tex]

Albert is in a hot air balloon that has just taken off and is now floating 20 meters above its
launching point Isabelle is standing on the ground, 21 meters away from the launching point.
How far apart are Albert and Isabelle?
meters

Answers

Albert floating in hot air balloon and Isabelle standing at ground are 29 meters far apart from each other.

What is hot air balloon?

A hot air balloon is a lighter in weigh than air. It is an object made up of an envelope-like bag that holds heated air. A wicker basket, gondola, or capsule suspended below transports people and a heat source, typically an open flame produced by burning liquid propane. A capsule also carries passengers in some long-distance or high-altitude balloons.

Lets understand with the help of a right angle triangle, The point from where the hot air balloon taken off be point A, and the point where Isabelle is standing is point B, and the point where the balloon is point C.

The AB= distance between Isabelle and the point from where hot air  balloon taken off = base of the imagined triangle,

AC = height at which hot air balloon is floating = perpendicular of the imagined triangle

BC = distance between Isabelle and hot air balloon = Hypotenuse of the imagined triangle

Applying Pythagoras theorem,

(BC)² = (AC)² + (AB)²

(BC)² = (20)² + (21)²

BC = 29

Hence Albert and Isabelle are 29 meters far apart.

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. how many 1/4s are in 6

Answers

Let us divide 6 by 1/4

6/1 ÷ (1/4)

6/1*4/1 (Turning the second fraction upside down and multiplying it by the first fraction)

24 (Multiplying)

The answer is 24.

Answer:

Step-by-step explanation:

Since there are four 1/4 in 1 then you have to multiple 6*4= 24!

Learn with an example
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A line's slope is 6, and its y-intercept is -3. What is its equation in slope-intercept form?
Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answers

Answer:

dihuyyh

Step-by-step explanation:

If £25 = 800 rubles, how many £ are in 992 rubles?

Answers

Answer:

31

Step-by-step explanation:

800/25=32

992/32=31

Answer:

£31

Step-by-step explanation:

let me know if you want a through explanation

Match the pairs of angles formed by the parallel lines and transversal to their correct vocabulary identification

Answers

The angles that are formed by the parallel lines and the transversal are:

1. Vertical Angles

2. Same-side Exterior Angles

3. Corresponding Angles

4. Alternate Interior Angles

5. Alternate Exterior Angles

6. Same-side Interior Angles

7. Adjacent Angles

What are Special Angle Pairs that are Formed by Parallel Lines and Transversal?

The following are special angle pairs that are formed when a transversal intercepts two parallel lines:

1. Vertical Angles: These are nonadjacent angles that share the same vertex and are directly opposite each other. An example of such angle pair is angle 6 and angle 7.

2. Same-side Exterior Angles: These are exterior angles that lie on the same side of a transversal but on sperate parallel lines. Example include angle 2 and angle 8.

3. Corresponding Angles: These angles are located on each parallels lines that are cut across by a transversal and lie relatively in the same corner to each other. An example is, angle 1 and angle 5.

4. Alternate Interior Angles: an example of such pair of interior angles that lie on opposite side of a transversal is, angle 3 and angle 6.

5. Alternate Exterior Angles: An example of a pair of alternate exterior angle is angle 2 and 7.

6. Same-side Interior Angles: These pair of angles are interior angles on the same side of a transversal. Example of such pair of angles is, angle 4 and angle 6.

7. Adjacent Angles: These are angles that share a common side and a vertex, an example is: angle 1 and angle 2.

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