1 If we want to find the volume of the child's toy shown below, we will need to find the volumes of which 3D solids? (Mark all that apply)
A Sphere/Hemisphere
B Prism
C Cylinder
D Pyramid
E Cone
F Cube

The value of x in the figure is 40°.

In a linear pair, the total of two angles is always 180°. All neighboring angles are linear pairs, however not all adjacent angles are linear pairs.

∠DBA + ∠ABC = 180° ( ∵ linear pair)

∠100° + ∠ABC = 180°

∠ABC = 180° - 100°

∠ABC = 80°

The sum of angles of a triangle is 180° .

So, in triangle ABC

∠A + ∠B + ∠C = 180°

x + 80 + 60 = 180°

x + 140 = 180°

x = 180° - 140°

x = 40°

So, ∠A = x = 40°

The complete question is,

Find the value of x in the figure below :

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Answer:

x = 108

Step-by-step explanation:

78-(x-60)=30

Solving for x,

x = 78-30+60

x = 108

Answer:2.600

Step-by-step explanation:

2.599 rounded to nearest tenth will be 2.60 .

Given,

2.599

Here,

The concept of rounding states that if a decimal number is present and the digits after decimal is greater than 5 or less than 5 then the number can be rounded off .

For example:

Decimal number : 10.7

Estimated whole number : 11

Thus here the rounding off is required at tens place ,

So,

Number = 2.599

After round to nearest tenth = 2.60

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Answer:

125

Step-by-step explanation:

The automobile travels at an average speed of 65.71 mph.

Put r = d/t to use.You are moving at a rate of 12 miles per hour since 24 miles are multiplied by two hours.Become familiar with the distance formula, a Pythagorean theorem application that can be used to determine the separation between two places.

Sal Khan and the CK-12 Foundation created it.

The car's average speed is 65.71 miles per hour.

the settings provided;Initially, the automobile is traveling at 50 mph.

motion time, t = 3 hours

v = 70 mph is the motion's final speed.

motion time, t = 11 hours

The following formula is used to determine the car's average speed:

average speed = total distance /total speed

Total distance traveled divided by total motion duration equals average speed.

The entire distance is equal to 920 miles (50 x 3 + 70 x 11).

The duration of the motion was (3 + 11) hours, or 14 hours.

The car's typical speed is;

Consequently, the car's average speed is 65.71 mph.

average speed  =920/14

                        = 65.71 mph.

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Rearranging the given expression into quadratic form gives x² + 0.2x - 15 = 0.

The values of a, b, and c include the following:

a = 1

b = 0.2

c = -15

In Mathematics, the standard form of a quadratic function is given by this mathematical expression;

ax² + bx + c = 0

Where:

Next, we would multiply both sides of the quadratic function by (75 - x) as follows;

0.20 × (75 - x) = x²/(75 - x) × (75 - x)

0.20 × (75 - x) = x²

By applying the distributive property to the mathematical expression, we have the following:

0.20(75) - 0.20(x) = x²

15 - 0.2x = x²

By rearranging the mathematical expression, we have the following:

x² + 0.2x - 15 = 0

Therefore, the quadratic function is equal to x² + 0.2x - 15 = 0.

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The following are the solutions for the student data:

a. 25 students like exactly two of the composers

b. 31 students like exactly one these composers

c. 10 students like only Mozart

d. 19 students like haydn and exactly one of the other two composers

e. Only one student like none of these composers.

Venn diagrams are commonly used in mathematics, statistics, and logic to illustrate relationships between sets of data. It consists of circles that overlap to show the similarities and differences between the sets like in the case of students data.

Students who like:

All three composers = 8

Only Mozart and Beethoven = 14 - 8 = 6

Only Mozart and Haydn = 20 - 8 = 12

Only Beethoven and Haydn = 15 - 8 = 7

Only Mozart = 36 - (6 + 12 + 8) = 10

Only Beethoven = 37 - (6 + 7 + 8) = 16

Only Haydn = 32 - (12 + 7 + 8) = 5

Students who like none of the composers:

65 - (10 + 16 + 5 + 12 + 6 + 7 + 8)

65 - 64 = 1

Therefore, students who like:

exactly two of the composers = 12 + 6 7 = 25 students

exactly one these composers = 10 + 16 + 5 = 31 students

only Mozart = 10 students

Haydn and exactly one of the other two composers = 12 + 7 = 19 students

none of the composers = 1 student

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The ratio of rubies to diamonds is 4:1.

The ratio is the relative size of one value compared to another.

The ratio shows the quantity of a variable or number contained in another.

We depict ratios as fractional values, like proportions.

Fractional values can be represented as fractions, decimals, or percentages.

The number of rubies = 4x

The number of diamonds = x

The sum of ratios = 5x (4x + x)

The ratio of rubies to diamonds = 4:1

Thus, on this other ring, we can conclude that the ratio of rubies to diamonds is 4:1, meaning that rubies outnumber diamonds by 4 times.

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When lines a and b overlap, angle 1 equals angle 3.

The intersection of two lines in Euclidean geometry might be the empty set, a point, or another line. Distinguishing these circumstances and locating the intersection have applications in computer graphics, motion planning, and collision detection, among others. When two or more lines intersect on a plane, they are referred to as intersecting lines. The crossing lines have a common point, which exists on all of them and is known as the point of intersection. The intersecting lines are two lines that have precisely one common point. The crossing lines have a point in common. The point of intersection is the common point that exists on all intersecting lines.

Here,

To prove ∠1 ≅ ∠ 3, we can use the congruent supplements theorem. According to the congruent supplements theorem, If two angles are supplements of the same angle then two angles are congruent.

Line a and line b intersect                                         (given)

∠3 is supplementary to ∠2 because of linear pair theorem (given)

So, if we take ∠2 as the common angle

And  ∠1 is supplementary to ∠2  by linear pair theorem     ( option D)

Then, ∠1 is supplementary to ∠2 which is supplementary to ∠3

Therefore, ∠1 ≅ ∠3 (according to the congruent supplements theorem)

This is proved when line a and line b intersect, angle 1=angle 3.

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Therefore , the solution of subtraction after subtraction, amount of water left on Tuesday is 98500 liters.

One of the most crucial mathematical operations, which is obtained by removing two numbers, produces difference in mathematics. It reveals how much one number deviates from another. To determine how many numbers are between the two given numbers is the goal of finding the difference in math.

Here,

Given:

Amount of water on Monday=10000

Amount of water used=1500

Water left on Tuesday=10000-1500=98500

Thus ,  amount of water left on Tuesday is 98500 liters.

Therefore , the solution of subtraction after subtraction, amount of water left on Tuesday is 98500 liters.

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A triangle's x value is 120°. Using a triangle angle characteristics, an unknown angle can be found.

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Answer:

Option D: 224

Step-by-step explanation:

[tex] \sf (20 + d)d[/tex]

Insert the value d = 8

[tex] \sf(20 + 8)8[/tex]

Add

[tex] \sf (28)8[/tex]

multiply

[tex] \sf 224[/tex]

The function f(x) = x² - 2x - 3 / x² + 3x + 2 have holes at coordinate (-1, -4)

Function holes are areas of a function that are not defined. They can be caused by a lack of data, a lack of understanding of the problem, or a lack of knowledge of the domain. Function holes can lead to errors in the output of a function, as the function will not be able to produce a result for the undefined area. A hole is a location on the graph where the function's value is not known. When a rational function is simplified, its numerator and denominator will cancel if they have a common factor. The cancelled value creates a hole in the graph.

In the given question, we need to plot the function on a graph to determine it's holes.

f(x) = x² - 2x - 3 / x² + 3x + 2

Using a graphing calculator to plot this;

The holes in this function is located at a coordinate (-1, -4)

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The commission made by Jill for a $480 sale at the rate of commission 30% is $144.

What is meant by the rate of commission?

A commission is a payment made to a salesperson by a company in exchange for his or her assistance in facilitating or closing a sale. The design of the underlying commission agreement determines how a sales commission is calculated.

The rate of commission is a percentage or fixed sum that is linked to a specific amount of sales.

Given,

     Sales = $300

     Commission = $90

Then, rate of commission = (Commission/ sales) * 100

                                           = ( 90/300) * 100 = 30%

For this rate of commission, the commission she makes for a $480 sale is

                            = 480 * (30/100) = 480 * 0.3 = $144

Therefore, the commission made by Jill for a $480 sale at the rate of commission 30% is $144.

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Solution to the given system of equations is (6, -9).

A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.

The given system of equations are y=x-15 -----(I) and y=-2x+3 -----(II).

Substitute x=y+15 in equation (II), we get

y=-2(y+15)+3

y=-2y-30+3

3y=-27

y=-9

Substitute y=-9 in equation (II), we get

-9=-2x+3

-12=-2x

x=6

So, solution is (6, -9)

Therefore, solution to the given system of equations is (6, -9).

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The probability that you will win at least one prize if you buy one ticket each month for three months is 0.314 or 31.4%.

The probability of not winning a prize in one drawing is 1 - 0.11 = 0.89.

If we assume that the draws are independent events, the probability of not winning a prize in three consecutive months is 0.89^3 = 0.686.

Therefore, the probability of winning at least one prize in three months is 1 - 0.686

= 0.314 or 31.4%.

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The range of the function is {0.16, 0.4, 1, 2.5, 6.25}. With an increase in the value of the domain, the range of the function is increasing.

What is a function?

A function from a set X to a set Y allocates exactly one element of Y to each element of X. The set X is known as the function's domain, while the set Y is known as the function's codomain.

The given function is

f(x) = 2.5^x.

Given domain is {-2, -1, 0, 1, 2}.

Now putting x = -2, -1, 0, 1, 2 in the function f(x) = 2.5^x.

When x = -2:

f(-2) = 2.5^(-2)

f(-2) = 0.16.

When x = -1:

f(-1) = 2.5^(-1)

f(-1) = 0.4

When x = 0:

f(0) = 2.5^(0)

f(0) = 1.

When x = 1:

f(1) = 2.5^(1)

f(1) = 2.5

When x = 2:

f(2) = 2.5^(2)

f(2) = 6.25

The range of the function is {0.16, 0.4, 1, 2.5, 6.25}

The values of the range increase with the increase of domain.

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Joe pushes a 200 kg car with a force of 125 N, In the scenario when the car does not move, Joe not be doing work or the car.

Static friction, sliding friction, rolling friction, and fluid friction are the four main categories of friction. Normal force and friction are independent of the hardness of the contacting surfaces and are directly proportional to the contacting surfaces.

The tiny bumps push against each other as two surfaces slide over one another. A surface is subject to a force from friction equivalent that opposes the direction of the surface's motion. Application of lubricants can reduce friction.

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Answer:

BC = 56 units

Step-by-step explanation:

since the main diagonal AK bisects the diagonal BC , then the figure is a kite.

• the disjoint pairs of consecutive sides are congruent in a kite, that is

AB = AC and BK = CK

using the pair AB = AC  to solve for x

9x - 14 = 6x + 7 ( subtract 6x from both sides )

3x - 14 = 7 ( add 14 to both sides )

3x = 21 ( divide both sides by 3 )

x = 7

Since m bisects BC , then

CP = PB and

BC = CP + PB = 4x + 4x = 8x

then

BC = 8x = 8 × 7 = 56

The three decimal numbers are 0.5, 2.25 and 3.25 as Exactly one of the numbers is less than .

What is an average ?

average can be defined as ratio of the sum of the observations and total number of observations

From the information given,

we have to get three decimal numbers that have their sum as 6.0

Therefore, the three decimal numbers are 0.5, 2.25 and 3.25.

In order to confirm this, we can add the numbers together and check. This will be:

= 0.5 + 2.25 + 3.25 = 6.0

Also, from the numbers, 0.5 is less than 1.

Hence , The three decimal numbers are 0.5, 2.25 and 3.25.

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The graphed line is y = 5x passing through points (0, 0) and (1, 5)

An equation is an expression that shows the relationship between variables and numbers.

The linear equation is in the form:

y = mx + b

where m is the rate of change and b is the y intercept.

The graphed line passes through (0, 0) and (1, 5), hence the equation is:

y - 0 = [(5-0)/(1 - 0)](x - 0)

y = 5x

The graphed line is y = 5x.

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The median and mode only are resistant measures of central tendency.

The correct option is B.

Statistics that are resistant to outliers don't change as a result. We assert that the median is a resistive measure of centre, in contrast to the mean, which is not. In a way, the median is able to reject distant values whereas the mean is drawn to them. It cannot withstand the impact of excessive values. The measurement that is least subject to sample variation is the median, which is defined as the middle of ranking data, where 50% of values are above it and 50% below it. As a result, the extreme figures have no bearing on the median. For symmetric data, nonresistant measures perform better because they are less affected by skewness and outliers. Resistant measures can be used since they are less negatively influenced.

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"And Miss Brill's eyes filled with tears and she looked smiling at all the other members of the company. Yes, we understand, we understand, she thought though what they understood she didn't know." Option B

Generally, When academics discuss the idea of a social connection, they are referring to the sensation of being a part of a community and having a general sense of proximity to the members of that community. It is clear from the information that science has gathered that this is a fundamental psychological need that must be met in order to experience contentment with one's life.

A human connection is a profound link that develops between individuals as a result of their shared experience of being noticed and loved. People are able to trust one another and share good energy with one another when they are having genuine human connections.

Human connection enables one to experience being heard and understood, as well as a feeling of belonging to a group.

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The place value of the digit 6 in the given number is 0.006

Place value can be defined as the value represented by a digit in a number on the basis of its position in the number. For example, the place value of 7 in 3,743 is 7 hundreds or 700. However, the place value of 7 in 7,432 is 7 thousands or 7,000.

Given that, California receives average rainfall of 0.476 m per year, we need to find the place value of 6 in the number given,

The number is 0.476

We know that, the first digit after the decimal represents the tenths place. The next digit after the decimal represents the hundredths place. The remaining digits continue to fill in the place values until there are no digits left.

Here, the place of 6 is after 2 digits after the decimal,

Therefore, the place of 6 is thousandths place,

Therefore, the digit 6 has value = 6 × 1/1000 = 0.006

Hence, the place value of the digit 6 in the given number is 0.006

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The time that Mrs James have her eyes open than closed will be 13 19/20 hours.

A fraction simply means a piece of a whole. In this situation, the number is represented as a quotient such that the numerator and denominator are split.

From the information, the average person spends about 1/10 of their walking hours with their eyes closed. If Mrs. James was awake for 15 1/2 hours today.

The more time that she have her eyes open than closed will be:

= 15 1/2 - (1/10 × 15 1/2)

= 15 1/2 - 1 11/20

= 13 19/20

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Answer:

the correct answer is -1/16 i believe

25% percent of Amanda's day was spent on either meals or homework.

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(-4,-3)

x=-4,y=-3

Step-by-step explanation:

solve for the first variable in one of the equations, then substitute the results into the other equation. point form:

Line T crosses the x-axis at point R, with coordinates (k,0). Suppose that w is increasing at the constant rate of 5 units per second.

In the figure above, line T is tangent to the graph of

y=1/x2

at point

P

, with coordinates

(w,1/ w2 )

​, where

w>0

. Point

Q

has coordinates

(w,0)

. Line

T

crosses the

x

-axis at point

R

, with coordinates

(k,0)

. Suppose that

w

is increasing at the constant rate of 5 units per second. When

w=2

, what is the rate of change of the area of triangle PQR with respect to time? Determine whether the area is increasing or decreasing at this instant. Round to three decimal places.

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