I need help on answering 3. (d) I have two choices it can be which is false and sometimes true.

I Need Help On Answering 3. (d) I Have Two Choices It Can Be Which Is False And Sometimes True.

Answers

Answer 1

Question:

Solution:

If x represents a positive integer, then the point x is a natural number, that is, x is greater than zero, in particular, if x is a number greater than zero it can be a number greater than any number after zero. For example, it can be greater than 1.

Then the question d is ALWAYS TRUE.

I Need Help On Answering 3. (d) I Have Two Choices It Can Be Which Is False And Sometimes True.

Related Questions

Pedro can't decide which size pizza to order. The 10-inch cheese and sausage pizza is $4.99, while the 12-inch deluxe is $5.99. If he gets the 10-inch pizza, the total price will be divided among 3people. If he chooses the 12-inch pizza, then the total price will be divided among 4 people. Which is the better buy? How much will each person pay? (Use 3.14 for r.)A. 10-inch pizza; $1.50B. 12-inch pizza; $1.50C. 10-inch pizza; $1.66 D. 12-inch pizza; $1.66

Answers

Answer: The better buy is the the 12-inch deluxe for $5.99.

B. 12-inch pizza; $1.50

Explanation:

From the information given, the 10-inch cheese and sausage pizza is $4.99, while the 12-inch deluxe is $5.99. If he gets the 10-inch pizza. We would calculate the area of both pizzas by applying the formula for calculating the area of a circle which is expressed as

Area = πr^2

where

π = 3.14

r is the radius of the circle

For the 10-inch cheese and sausage pizza,

diameter = 10

r = 10/2 = 5

Area = 3.14 x 5^2 = 78.5

If it is divided among 3 people,

each person gets 78.5/3 = 26.2 in^2

Amount that each person pays = 4.99/3 = $1.66

This means that each person pays $1.66 for 26.2 in^2

For the 12-inch cheese and sausage pizza,

diameter = 12

r = 12/2 = 6

Area = 3.14 x 6^2 = 113.04

If it is divided among 4 people,

each person gets 113.04/4 = 28.26 in^2

Amount that each person pays = 5.99/4 = $1.5

This means that each person pays $1.5 for 28.26 in^2

Thus, the better buy is the the 12-inch deluxe for $5.99.

The amount that each person pays is

B. 12-inch pizza; $1.50

Please help with the question below (please try to answer in maximum 10/15 minutes).

Answers

Solution:

Given the dimensions of the composite figure below

[tex]\begin{gathered} For\text{ the cuboid:} \\ l=12\text{cm} \\ w=4\text{ cm} \\ h=3cm \\ For\text{ the triangular prism:} \\ a=3\text{ cm} \\ b=4\text{ cm} \\ c=13\text{ cm} \\ h=5\text{ cm} \end{gathered}[/tex]

To find the surface area, SA, of the composite figure, the formula

[tex]SA=2(lh)+2(wh)+(lw)+2(\frac{1}{2}lh)+(bc)+(ah)[/tex]

Substitute the values of the variables into the formula above

[tex]\begin{gathered} SA=2\left(12\cdot3\right)+2\left(3\cdot4\right)+\left(12\cdot4\right)+2\left(\frac{1}{2}\left(12\cdot5\right)\right)+\left(13\cdot4\right)+\left(4\cdot5\right) \\ SA=2(36)+2(12)+(48)+(60)+(52)+20 \\ SA=72+24+48+60+52+20 \\ SA=276\text{ cm}^2 \end{gathered}[/tex]

Hence, the surface area, SA, is

[tex]276\text{ cm}^2[/tex]

Use synthetic division to determine whether the first expression is a factor of the second. If it is, indicate the factorization. (If the first expression is not a factor of the second, enter DNE.)x − 2, 3x4 − 6x3 − 8x + 16(x − 2)=

Answers

Find out the division

3x^4-6x^3-8x+16 : (x-2)

3x^3-8

-3x^4+6x^3

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

-8x+16

8x-16

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

0

The remainder is zero

that means

The expression (x-2) is a factor of the polynomial

so

3x^4-6x^3-8x+16=(x-2)(3x^3-8)

Trini bought some jeans that she had been saving up for. She purchased them for $88 but has wornthem 4 times already. So far, what is the cost of wear for the jeans?

Answers

In order to find the cost of wear for the jeans, we just need to divide the cost of the jeans by the number of times Trini worn it.

So we have:

[tex]\frac{88}{4}=22[/tex]

Therefore the cost of wear so far is $22.

4) Using the number line to help you, decide which fraction is larger or if they are equal: one/twos or three/fifths. Label each fraction on the number line.

Answers

Explanation:

The number line is between 0 to 1. There are 10 smaller lines in between

Each of the small lines represent 1/10 or 0.1

one/twos is the same as 1/2 = 0.5

three/fifths is the same as 3/5 = 0.6

From the above, 0.6 is greater than 0.5

Showing both numbers on the number line:

Dee, Sarah, Brett, and Betsy are splitting their dinner bill. After the tip, the total is $30.08. How muchdoes each owe if they split the bill four ways?

Answers

The four individuals Dee, Sarah, Brett and Betsy split their dinner bill four ways, which means its divided into four parts. Hence, after splitting, each person owes;

[tex]\begin{gathered} \text{Per person=}\frac{Total}{4} \\ \text{Per person=}\frac{30.08}{4} \\ \text{Per person=7.52} \end{gathered}[/tex]

This shows that when paying the bill, each of the four individuals will have to pay $7.52

the vertices of ABC and the endpoints of DE have coordinates that are integers. Determine the coordinates of point F so That ABC≈DEFOPTIONS:(-7, 1)(-5, 3)(-7, -8)(-2, -8)

Answers

Rotated figures

We want figure EDF≈ABC.

We can see that if we rotate figure ABC we will obtain the following:

If we rotate it we can see that the segment AB is exactly as the segment ED.

We can now find the answer if we look how far is the point C, we see it is three unities up from B and 5 unities to its left. Then F must be 3 unities up from E and 5 unities to its left.

Since E is located :

at y = -2 if we go up 3 unities

-2 + 3 = 1

at x = -2 if we go at its left 5 unities then

-2 - 5 = -7

Then, F must be at x = -7 and y = 1.

Answer: (-7, 1)

Last month, Ebony had 110 dollars in achecking account. The current balance is146 dollars. What is the percent change inthe account balance from last month to thismonth? Round your answer to the nearest whole percent.

Answers

Problem

Last month, Ebony had 110 dollars in a

checking account. The current balance is

146 dollars. What is the percent change in

the account balance from last month to this

month? Round your answer to the nearest whole percent.

Solutiion

For this case we can use the following formula:

[tex]\text{Change}=\frac{\text{Actual}-\text{Before}}{\text{Before}}\cdot100[/tex]

And replacing we got:

[tex]\text{Change}=\frac{146-110}{110}\cdot100=32.72[/tex]

And then the answer wounded to the nearest percent would be:

33%

A sample of 7 students was taken to see how many pencils they were carrying.2, 3, 2, 5, 7, 1, 41. Calculate the sample mean.2. Calculate the standard deviation.

Answers

Sample mean = 3.43

sample standard deviation = 2.07

Explanation:

Given: 2, 3, 2, 5, 7, 1, 4

Total numbers = 7

1) Sample mean is calculated by finding the average of the data set

[tex]\begin{gathered} \text{Sample mean = }\frac{su\text{ m of data set}}{number\text{ of data set}} \\ \text{sample mean = }\frac{2+3+2+5+7+1+4}{7} \\ \text{sample mean = 24/7 } \\ \text{sample mean = }3.43 \end{gathered}[/tex]

2) We have sample standard deviation and population standard deviation.

SInce the question asked for sample mean, we will be calculating sample standard deviation.

Standard deviation is calculated as:

[tex]\begin{gathered} s\tan dard\text{ deviation = }\sqrt[]{\frac{\sum^{}_{}(x_1-mean)^2}{N-1}} \\ \\ s\tan dard\text{ deviation = }\sqrt[]{\frac{\sum ^{}_{}(2-3.43)^2+(3-3.43)^2+(2-3.43)^2+(5-3.43)^2+(7-3.43)^2+(1-3.43)^2+\mleft(4-3.43\mright)^2}{7-1}} \\ s\tan dard\text{ deviation = }\sqrt[]{\frac{25.7143}{6}}\text{ = }\sqrt[]{4.2857} \\ s\tan dard\text{ deviation = }2.07 \end{gathered}[/tex]

I'll send you the pic a

Answers

Let's complete the four equations, as follows:

1. 5 * x = 15

Solving for x:

5x = 15

Dividing by 5 at both sides:

5x/5 = 15/5

x = 3

3 is the value to fill in the box

2. 4 * x = 32

Solving for x:

4x = 32

Dividing by 4 at both sides:

4x/4 = 32/4

x = 8

8 is the value to fill in the box

3. 6 * x = 9

Solving for x:

6x = 9

Dividing by 6 at both sides:

6x/6 = 9/6

x = 1.5

1.5 is the value to fill in the box

4. 12 * x = 3

Solving for x:

12x = 3

Dividing by 12 at both sides:

12x/12 = 3/12

x = 3/12

Simplifying:

x = 1/4

1/4 or 0.25 is the value to fill in the box

What is the mean for the data shown in the dot plot?

Answers

We will determine the mean as follows:

[tex]x=\frac{1(4)+4(5)+3(6)+2(7)+1(10)}{11}\Rightarrow x=6[/tex]

So, the mean will be 6.

.. Find the values indicated. For g = {(-1,0), (-3,3), (-5, 6), (-7,9), (-9, 12)} g(-3) = g(-9) = g(-7)=

Answers

Given:

g = {(-1,0), (-3,3), (-5, 6), (-7,9), (-9, 12)}

So,

To find g(-3), we need to find the term that contains -3 in the location of x of the order pair

So, g(-3) = 3

And by the same manner, we will find the others

So,

g(-9) = 12

g(-7) = 9

Use the quadratic formula to solve the problems. Then state whether the roots are real number roots or complex number roots.

Answers

SOLUTION:

Step 1:

In this question, we are given the following:

Step 2:

Solving the quadratic equation using the quadratic formula, we have that:

From the solution above, we can see that the roots are complex.

[tex]\begin{gathered} \text{The roots of the equation are:} \\ x\text{ = }\frac{-5}{4}\text{ + i }\frac{\sqrt[]{31}}{4}, \\ x\text{ =}\frac{-5}{4}-i\frac{\sqrt[]{31}}{4} \end{gathered}[/tex]

A shoe salesman earns a commission of 30%
of all shoe sales made.
Yesterday he sold 3 pairs of shoes for $70 each and 2 pairs of shoes for $80
each. How much did he earn in commission yesterday?

Answers

Answer: $111 is earn by shoe salesman as commission .

Step-by-step explanation:

As given the statement in the question be as follow.

Shoes salesman sold 3 pairs of shoes for $70 each and 2 pairs of shoes for $80 each.

Total cost of the pair of shoes = 3 × 70 + 2 × 80

                                                 = 210 + 160

                                                 = $ 370

As given

shoe salesman earns a commission of 30% of all shoe sales made.

30% is written is decimal form

= 0.30

Commission earns = 0.30 × Total cost of the pair of shoes .

                              = 0.30 × 370

                              = $ 111

Therefore $111 is earn by shoe salesman as commission .

In the circle below, if arc AB is congruent to arc CD, chord AB = 3x - 6 and chord CD = x + 12, find x.

Answers

Solution

We will equate the two values

[tex]\begin{gathered} 3x-6=x+12 \\ \\ 3x-x=12+6 \\ \\ 2x=18 \\ \\ x=9 \end{gathered}[/tex]

The answer is

wich choice shows the correct solution to 2544÷8?

Answers

ANSWER:

318

STEP-BY-STEP EXPLANATION:

We have the following operation:

[tex]2544÷8[/tex]

So the answer is 318

The correct solution to 2544/8 is the number 318

which of these is closest to the unit distance between points M and M' ?

Answers

the coordinate of M is (-3, -5)

it is given that M is translated 6 unit right , and 5 unit up.

so the coordinate of M' is (-3+6 , -5 + 5) = (3, 0)

so, the distance between M and M' is,

[tex]d=\sqrt[]{(3-(-3))^2+(0-(-5))^2}[/tex][tex]\begin{gathered} d=\sqrt[]{6^2+5^2} \\ d=\sqrt[]{36+25} \\ d=\sqrt[]{61} \end{gathered}[/tex]

d = 7.81

so, the closest to the unit distance is 8

thus, the answer is option D

Sharel spent the day at the mall. First, she bought five phones for $35each. Later, she found two five dollar bills. Write the total change to

Answers

if Sharel bought 5 phenes for 35 each, se spent 5 times 35 = $175

And when she found two $5 bills, it is like she received 2 times 5 = $10

Normally, expenses are negative numbers and earning are positive numbers, in this case

-$175 + $10 = - $165

Sothe answer is -165

Show that the points (3, 6), (0, -2), (-7, -5) and (-4, 3) are thevertices of a parallelogram.

Answers

Let

A(3,6) B(0,-2) C(-7,-5) D(-4,3)

Remember that

A parallelogram has opposite sides congruent and parallel

so

step 1

Find out the length of the side AB

using the formula to calculate the distance between two points

[tex]\begin{gathered} AB=\sqrt{(-2-6)^2+(0-3)^2} \\ AB=\sqrt{73} \end{gathered}[/tex]

Find out the slope of the side AB

[tex]m_{AB}=\frac{-2-6}{0-3}=\frac{8}{3}[/tex]

step 2

Find out the length of the side BC

[tex]\begin{gathered} BC=\sqrt{(-5+2)^2+(-7-0)} \\ BC=\sqrt{58} \end{gathered}[/tex]

Find out the slope of the side BC

[tex]m_{BC}=\frac{-5+2}{-7-0}=\frac{3}{7}[/tex]

step 3

Find out the length of the side CD

[tex]\begin{gathered} CD=\sqrt{(3+5)^2+(-4+7)^2} \\ CD=\sqrt{73} \end{gathered}[/tex]

Find out the slope of the side CD

[tex]m_{CD}=\frac{3+5}{-4+7}=\frac{8}{3}[/tex]

step 4

Find out the length of the side AD

[tex]\begin{gathered} AD=\sqrt{(3-6)^2+(-4-3)^2} \\ AD=\sqrt{58} \end{gathered}[/tex]

Find out the slope of the side AD

[tex]m_{AD}=\frac{3-6}{-4-3}=\frac{3}{7}[/tex]

step 5

Compare the length of the sides

we have that

AB=CD

BC=AD

that means ----> opposite sides are congruent

Compare their slopes

mAB=mCD

mBC=mAD

that means ----> opposite sides are parallel

therefore

The given figure is a parallelogram

x+y=22x+7y=9can u help me solve this equation

Answers

Keeping Od, this is the solution:

x + y = 2

2x + 7y = 9

___________

Step 1: Let's isolate x in equation 1, as follows:

x + y = 2

x = 2 - y

__________________

Step 2: Let's substitute x and solve for y in equation 2, this way:

2x + 7y = 9

2 (2 - y) + 7y = 9

4 - 2y + 7y = 9

4 + 5y = 9

Subtracting 4 at both sides:

4 + 5y - 4 = 9 - 4

5y = 5

Dividing by 5 at both sides:

5y/5 = 5/5

y = 1

_______________________

Step 3: Let's substitute y and solve for x in the first equation, as follows:

x + y = 2

x + 1 = 2

Subtracting 1 at both sides:

x + 1 - 1 = 2 - 1

x = 1

_____________________

Step 4: Let's write the solution as an ordered pair, this way:

(1, 1)

Find the areas of the figure. Area of Parallelogram, Trapezoid and Composite figure. Round to the nearest hundredth where necessary.

Answers

Let

A₁ be the area of the parallelogram

A₂ be the area of the trapezoid

Solving for the area of the parallelogram

Given the following dimensions

b = 23 cm

h = 14 cm

The area is solved using

[tex]\begin{gathered} A_1=bh \\ A_1=(23\text{ cm})(14\text{ cm}) \\ A_1=322\text{ cm}^2 \end{gathered}[/tex]

The area of the parallelogram therefore is 322 square centimeters.

Solving for the area of the trapezoid.

Given the following dimensions

b₁ = 15 cm

b₂ = 34 cm

h = 19 cm

The area is solved using

[tex]\begin{gathered} A_2=\frac{b_1+b_2}{2}\cdot h \\ A_2=\frac{15\text{ cm}+34\text{ cm}}{2}(19\text{ cm}) \\ A_2=\frac{49\text{ cm}}{2}(19\text{ cm\rparen} \\ A_2=(24.5\text{ cm})(19\text{ cm}) \\ A_2=465.5\text{ cm}^2 \end{gathered}[/tex]

The area of the trapezoid is 465.5 square centimeters.

Solving for the area of the composite figure.

Get the sum of the two areas to get the area of the composite figure, we have

[tex]\begin{gathered} A_{\text{total}}=A_1+A_2 \\ A_{\text{total}}=322\text{ cm}^2+465.5\text{ cm}^2 \\ A_{\text{total}}=787.5\text{ cm}^2 \end{gathered}[/tex]

Therefore, the area of the composite figure is 787.5 square centimeters.

Boris's cat will be having four kittens. Boris performs asimulation by tossing a coin to model whether thesekittens will be male or female.• Let'heads (H) = female kitten• Let tails (T) = male kittenThe results of the simulation are:

Answers

Given:

Boris performs a simulation by tossing a coin to model whether these kittens will be male or female.

The total number of sample space is, N = 10.

Head for female kitten

T for male kitten.

The objective is to find the probability that at least three of the kittens will be male.

Fromthe obtained simulation, the number of sample space with at least thee tail (T) is, n(T)=4

Now, the probability of at least three of the kittens will be male can be calculated by,

[tex]undefined[/tex]

Please help me with my Calc hw, it is not outside scope of brainly tutor. I am following along diligently, thanks!

Answers

ANSWER

[tex]-2\sqrt[]{1+\cos(x)}+C[/tex]

EXPLANATION

To solve this integral we have to use the substitution method. Let u = 1 + cos(x), then du is,

[tex]du=-\sin (x)dx[/tex]

Thus, dx is,

[tex]dx=\frac{du}{-\sin (x)}[/tex]

Replace the function and the differential in the integral,

[tex]\int \frac{\sin(x)}{\sqrt[]{1+\cos(x)}}dx=\int \frac{\sin(x)}{\sqrt[]{u}}\cdot\frac{du}{-\sin (x)}[/tex]

The sin(x) cancels out,

[tex]\int \frac{\sin(x)}{\sqrt[]{u}}\cdot\frac{du}{-\sin(x)}=-\int \frac{1}{\sqrt[]{u}}du[/tex]

We have to find a function whose derivative is 1/√u. This function is √u since its derivative is,

[tex]\frac{d}{du}(\sqrt[]{u})=\frac{1}{2\sqrt[]{u}}[/tex]

Note that a coefficient 1/2 is missing, so to cancel it out, we have to multiply by 2. Don't forget the constant of integration,

[tex]-\int \frac{1}{\sqrt[]{u}}du=-2\sqrt[]{u}+C[/tex]

Finally, we have to replace u with the function we substituted before,

[tex]-2\sqrt[]{u}+C=-2\sqrt[]{1+\cos (x)}+C[/tex]

Hence, the result of the integral is,

[tex]-2\sqrt[]{1+\cos(x)}+C[/tex]

Question 6 of 10
Assume that two chords in a given circle are the same distance from the
center of the circle. Which of the following must also be true?
O
A. They must be perpendicular.
B. They must be parallel.
C. They must be diameters.
D. They must be congruent.
SUBMIT

Answers

The true statement is the same distance from the center of the circle is they must be perpendicular.

We have given that,

Two chords in a given circle are the same distance from the center of the circle.

What prerequisites must be met for the chords to be in harmony?

The two chords must be equally spaced apart from the circle's center if they are congruent.

A is disregarded because it's possible that the chord won't travel through the circle's center.

Because the chords are not required to be parallel, B is rejected.

Because the chords do not have to be perpendicular, C is rejected.

A chord is any line segment that joins two points on the circle's circumference. While a circle's radius connects the center to the circle's point. As a result, we can conclude that radius is not a chord based on the definitions of both terms.

To learn more about  chords refer to:

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it takes a rat 65 seconds to run from its food source to its home. If the rat has to run 28 meters which is going faster: the rat, or a child on a bike moving at 2 m/s?

Answers

Given data:

The given distance covered by rat is d= 28 m.

The given time is t= 65 seconds.

The speed of the child is s'=2 m/s.

The expression for the speed is,

[tex]\begin{gathered} s=\frac{28}{65}\text{ m/s} \\ =0.43\text{ m/s} \end{gathered}[/tex]

As the speed of the child is greater than speed of the rat, so child is going faste.

r

whats the simplest term of 9m-2(3m-1)

Answers

Answer:

[tex]3m+2[/tex]

Step-by-step explanation:

I'm assuming you mean: [tex]9m-2(3m-1)[/tex] and not: [tex](9m-2)(3m-1)[/tex]

So you simply need to know the Distributive Property, which allows you to expand out values being multiplied within parenthesis without adding the values first as such: [tex]A(B+C)=AB+AC[/tex]

Applying this to distribute the -2, we get: [tex]9m-6m+2[/tex]

Adding like terms we get: [tex]3m+2[/tex]

If a number with two places to the right of the decimal place is added to a number with three places to the right of thedecimal place then the answer should be reported as having how many numbers to the right of the decimal place

Answers

Let the number with two places to the right of the decimal place be represented as 20.45 and the number with three places to the right of the decimal place be 20.456

Required:

When we add the two numbers, how many numbers to the right of the decimal place is it going to have?

We can know this by adding the two fictitious numbers:

[tex]20.45\text{ + 20.456 = 40.906}[/tex]

Here we can see that

Help please I’ll give 10 points

Answers

Choose the right symbol for the following

What are Symbols?

Many operations in mathematics are carried out using mathematical symbols. Mathematical quantities are easy to refer to thanks to the symbols. It's interesting to consider how entirely dependent mathematics is on numbers and symbols. In addition to referring to various amounts, math symbols also show how two quantities relate to one another. The primary purpose of all mathematical symbols is to carry out mathematical operations under distinct conceptions.

1) 0.02 > 0.002

2) 0.05 < 0.5

3) 0.74 < 0.84

4) 0.74 > 0.084

5) 1.2 < 1.25

6) 5.130 = 5.13

7) 3.201 > 3.099

8) 0.159 < 1.590

9) 8.269 > 8.268

10) 4.60 > 4.060

11) 302.026 > 300.226

12) 0.237 > 0.223

13) 3.033 < 3.303

14) 9.074 < 9.47

15) 6.129 < 6.19

16) 567.45 > 564.75

17) 78.967 > 78.957

18) 5.346 < 5.4

19) 12.112 < 12.121

20) 26.2 = 26.200

21) 100.32 > 100.232

To learn more about Symbols click on the link

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what is 2^-3 as a fraction

Answers

Answer:

Solution below.

Step-by-step explanation:

The question tests on the concept of indices.

We know the following indices rule:

[tex] {x}^{ - y} \\ = \frac{1}{ {x}^{y} } [/tex]

Which means by inversing the power, we will multiply the power by -1.

So in the case of this question, we can:

[tex] {2}^{ - 3} = \frac{1}{ {2}^{3} } \\ = \frac{1}{8} [/tex]

Tiffany deposited two checks into her bank account this month.One check was for $50, and the second check was for $22.Her balance at the end of the month was $306, and she made no withdrawals.Which expression shows Tiffany's balance at the beginning of the month?

Answers

Answer:

Tiffany's balance at the beginning of the month = $229

Explanations:

First Deposit = $50

Second Deposit = $22

End of the month balance = $306

Balance at the beginning of the month = End of the month balance - (First Deposit + Second deposit)

Balance at the beginning of the month = 306 - (50 + 22)

Balance at the beginning of the month = 306 - 77

Balance at the beginning of the month = $229

Other Questions
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