A cube has an edge length that is a rational number of centimeters. Identify which measurement will require the use of irrational numbers? (1 point)
O the diagonal of one of the cube's faces
O the volume of the cube
O the surface area of the cube
O the area of one of the cube's faces

Answers

Answer 1

Answer:

A) the diagonal of one of the cube's faces

Step-by-step explanation:

Let the edge be r, a rational number.

Then the following are:

A) The diagonal of one of the cube's faces,

d = r[tex]\sqrt{2}[/tex], this is always irrational.

B) The volume of the cube,

V = r³ - always rational.

C) The surface area of the cube,

S = 6r² - this is always rational.

D) The area of one of the cube's faces,

A = r²- this is always rational.

Related Questions

Form a polynomial whose zeros and degree are given Zeros: -2, multiplicity 1; 3, multiplicity 2; degrees 3

Answers

The polynomial of 3rd degree whose zeros and degree are given as for zero of (-2), multiplicity 1 and for zero of (3), multiplicity 2 is [tex]f(x)=(x^{3}-10x^{2} -15x+18)[/tex]

As per the question statement, a 3rd degree polynomial has a zero of (-2), multiplicity 1 and another zero of (3), multiplicity 2.

We are required to determine the polynomial.

Since, (-2) is a zero of the polynomial, then [tex][x-(-2)]=(x+2)[/tex] will be a factor of the polynomial. And since for zero of (-2), multiplicity is 1, this means that the factor of (x + 2) is only multiplied once.

Similarly, as (3) is another zero of the polynomial, then [tex](x-3)[/tex] will be a factor of the polynomial. And since for zero of (3), multiplicity is 2, this means that the factor of (x - 3) will be multiplied twice, i.e., [tex](x-3)^{2}[/tex].

Therefore, our function, say, f(x) will be [tex](x+2)(x-3)^2[/tex]

[tex]or, f(x) = (x+2)(x-3)^2\\or, f(x) = (x + 2)(x^{2} +9-12x)\\or,f(x) =x^{3}+9x-12x^{2} +2x^{2} +18-24x\\ or, f(x)=x^{3}+(2x^{2}-12x^{2})+(9x-24x)+18\\or, f(x)=(x^{3}-10x^{2} -15x+18)[/tex]

Hence, our required polynomial is [tex]f(x)=(x^{3}-10x^{2} -15x+18)[/tex]

Polynomial: A polynomial is an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s)Degree of a Polynomial: The highest value of power of the variable of a polynomial is known as the degree of the polynomial.Zero of a Polynomial: The value of the variable for which, the polynomial or equation equates to zero, is known as Zero of the Polynomial.

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Give the rate in miles per hour round to the nearest tenth Rachel jogs 20 feet in three seconds

Answers

According to the formula speed = distance / time The rate in miles per hour is 4.54

If you know how far something has traveled and how long it took to get there, you can calculate its average speed. Speed is calculated as follows: speed = distance * time. Knowing the units for distance and time is necessary to calculate the units for speed.

Rachel jogs 20 feet in 3 seconds

then by the formula

speed = distance/time

speed = 20 feet / 3 seconds

speed = 6.666667 feet per hour

but this speed is in feet per seconds to convert the speed from feet per seconds to miles per hour we need to multiply by 0.681818,

speed = 6.66667*0.681818

speed = 4.5454 miles per hour

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PLEASE HELP GIVING BRAINLIEST

Answers

Answer:

y=x+3

Step-by-step explanation:

If x = −3 and y = −6, what is the value of 3x + 4y + 15?

A: 48
B: 35
C: −18
D: −48

Answers

Answer: -18 ==> C

Step-by-step explanation:

x = −3 and y = −6

3x + 4y + 15=

3(-3) + 4(-6) + 15=

-9 + (-24) + 15 =

-9-24+15=

-(9+24)+15=

-33+15=

-(33-15)=-18 ==> C

Answer:

c) -18

Step-by-step explanation:

Given that,

→ x = -3

→ y = -6

Let's solve the problem,

→ 3x + 4y + 15

→ (3 × -3) + (4 × -6) + 15

→ -9 - 24 + 15 = -18

Thus, the solution is -18.

I need to know
m 1=
m 2=

Answers

Answer:

angle 1 = 51

angle 2 = 39

Step-by-step explanation:

The sum of two angles is equal to 90° since they are complementary angles

angle 1 + angle 2 = 90° rewrite equation using given values

x + 38 + 3x = 90 add like terms

4x + 38 = 90 subtract 38 from both sides

4x = 52 divide both sides by 4

x = 13 now to find the measure of each angle replace x with 13

angle 1 = 51

angle 2 = 39

Which of the following are equivalent to -5×1/4×3

Answers

The equivalent expression of  the expression given as: -5 × 1/4 × 3 is -15/4

How to determine the equivalent expression?

The expression is given as:

-5 × 1/4 × 3

Multiply -5 and 1/4

So, we have:

-5 × 1/4 × 3 = -5/4 × 3

Multiply -5/4 and 3

So, we have:

-5 × 1/4 × 3 = -15/4

Hence, the equivalent expression of  the expression given as: -5 × 1/4 × 3 is -15/4

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Quadratic equation whose roots are -6 and -1 with leading coefficient is 1

Answers

The quadratic equation whose roots are -6 and -1 with leading coefficient 1 is [tex]x^{2} +7x+6=0[/tex].

Given that a Quadratic equation whose roots are -6 and -1 with leading coefficient is 1 and asked to find the equation of quadratic equation.

Quadratic equation:

The polynomial equations of degree two in one variable of form f(x) = a[tex]x^{2}[/tex] + bx + c = 0 and with a, b, c, ∈ R and a ≠0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" is for the absolute term of f(x).

For a quadratic equation if (a,b) are roots then,

(x-a)(x-b) is the quadratic equation having roots "a" and "b"

The equation with roots -6 and -1 is
⇒(x+6)(x+1)

⇒[tex]x^{2}[/tex]+7x+6

Threfore,The quadratic equation whose roots are -6 and -1 with leading coefficient 1 is [tex]x^{2} +7x+6=0[/tex].

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x/6 - 7 = -4 helpppppppp

Answers

Answer:

x = 18

Step-by-step explanation:

x/6  - 7 = -4

x/6 = -4 + 7

x/6 = 3

x = 6*3

x = 18

Check:

18/6  - 7 = -4

3 - 7 = -4

Find the integers that correspond to the given description. fewer than 28 people Select the correct choice below and fill in the answer box to complete your choice. ​(Type a whole​ number.) A. The integers greater than B. The integers less than C. The integers less than or equal to D. The integers greater than or equal to

Answers

The Integers which corresponds to the word phrase as given in the task content is; Choice B; The integers less than 28.

Inequality signs

It follows from the task content that the word phrase which is as given in the task content is to be determined.

It is noteworthy to understand the meaning of various signs as follows;

> means more.

< means fewer.

>= means at least.

<= means at most.

Hence, since the word phrase; fewer than 28 people represents integers less than 28.

Ultimately, by virtue of the inequality signs and what they represent, fewer than 28 people represents integers less than 28.

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ABC, if m CAD = 29°, what is m&CAB?
D

Answers

Answer:

Step-by-step explanation:

[tex]m[/tex]∠[tex]CAD[/tex]≅[tex]m[/tex]∠[tex]BAD[/tex]

and

[tex]m[/tex]∠[tex]CAB[/tex]=[tex]m[/tex]∠[tex]CAD[/tex]+[tex]m[/tex]∠[tex]BAD[/tex]

so

[tex]m[/tex]∠[tex]CAB[/tex][tex]= 29[/tex]°+[tex]29[/tex]°

[tex]m[/tex]∠[tex]CAB=58[/tex]°


Hope this helps!

Step-by-step explanation:

the graphic shows that the angle at A is split in half by the line AD (because the angles at both sides of the line are marked as equal, so the whole angle must be 2 times of one of these parts).

so, as CAD = 29°, CAB = 2×CAD = 2×29 = 58°

Mary’s backyard vegetable garden measures 20 ft by 30 ft, so its area is 20*30=600 ft 2. She decides to make it longer, as shown in the figure, so that the area increases to A=20(30+x). Which property of real numbers tells us that the new area can also be written A=600+20x?

Answers

the answer is 60020 I am not sure if it is correct

Answer:

Distributive Property

Step-by-step explanation:

Example of distributive property is: 5 (4 + 7) = 5 × 4 + 5 × 7

ZE and ZF are supplementary. The measure of ZE is 54 more than the
measure of ZF. Find the measures of each angle.

Answers

Answer:

43xgfsstib dhibfdhbkfvh

What is the y intercept?

Answers

Answer:

0=y

Step-by-step explanation:

Answer: -3

Step-by-step explanation:

The y-intercept is the place where the line crosses the y-axis, the vertical line in the middle of the graph.

Can someone help me please

Answers

Answer: U'=(8, 5)

V'=(7, 5)

W'=(6, 10)

Step-by-step explanation:

When rotated around the origin by 180 degrees, the triangle will have all its coordinates' x and y values negated.

U=(-8, -5) ==> U'=(8, 5)

V=(-7, -5) ==> V'=(7, 5)

U=(-6, -10) ==> W'=(6, 10)

graph the line in the image please

Answers

The equation shows that the slope of the line is 3 and the y-intercept is 4 that is the line will pass through the point (0, 4)

Graphing linear equation

The standard linear equation is expressed as y = mx + b where;

m is the slope

b is the y-intercept

Given the linear equation (y-1) = 3(x+3)

Expand

y-1 = 3x + 3

y-3x = 3 + 1

y-3x = 4

y = 3x + 4

The equation shows that the slope of the line is 3 and the y-intercept is 4 that is the line will pass through the point (0, 4)

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1) Write an absolute value equation that has the given solutions of x= -6 and x=10

2) write an absolute value equation that has the given solutions of x= -10 and x= -5

Answers

Answer:

1) [tex]|x-2| = 8[/tex]

2) [tex]|x+7.5|=2.5[/tex]

Step-by-step explanation:

The list below shows the ages (in years) of 10 people riding in a van to a math competition. C
mean age of the people in the van. Round your answer to the nearest tenth of a year.
ages
Mean =
Median =
15
15 14 11 11 14 10 15 39 48
Submit Question
years (Please round your answer to the nearest tenth.)
years (Please enter an exact answer.)
Hint: Textbook Measures of Center

Answers

Answer i dont get it

Step-by-step explanation:

Estimate the sum of 12.15,16.85 and1.74 by rounding each number to nearest tenth

Answers

The Sum of the given numbers is 30.80.

What do we mean by the sum of numbers?When we add two or more numbers, the result or answer is known as the SUM. Addends are the numbers that are added. In the preceding example, 6 and 4 are addends, and their sum is 10. In other words, the sum of 8 and 5 equals 13, or 8 plus 5 equals 13.

SUM:

12.15 + 16.85 + 1.7429 + 1.7430.74

Rounding off to nearest tenth = 7 + 1 = 30.80

Therefore, the Sum of the given numbers is 30.80.

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Help me pls with this! :)

Answers

Answer: 48 red beads

Step-by-step explanation:

3 red beads: 1 bracelet

16 bracelets * 3 read beads/1 bracelet=

16*3/1=

16*3=48 red beads

Jaiden earned $84 last week. Peter earned only $12. Jaiden's earnings are how many times greater than Peter's.

Answers

Answer:

×7

Step-by-step explanation:

[tex]84 \div 12 = 7[/tex]

Figure F is a scale image of figure E as shown. Enter the scale factor applied to figure E to produce figure F.

Answers

Step-by-step explanation:

that means that there is one scale factor for all sides of the triangles.

so,

2 × f = 14

f = 14/2 = 7

and to control, this has to work also for the other given side :

3 × 7 = 21

correct.

so, the scaling factor to get from E to F is 7.

Please Answer Math 10​

Answers

Answer:

Hello,

Step-by-step explanation:

[tex]1) \ 4,7,10,13,16,....\\u_n=4+(n-1)*3=1+3n\\\\2)\ -10,-6,-2,2,6....\\u_n=-10+(n-1)*4=-14+4n\\\\3)\ \frac{6}{3} ,\frac{7}{3} ,\frac{8}{3} ,\frac{9}{3} ,\frac{10}{3} ...\\\\u_n=\frac{6}{3} +(n-1)*\frac{1}{3} =\frac{5}{3} +\frac{n}{3} \\[/tex]

Which of the following shows 12 more than a number, written as an algebraic expression?

A: 12 − n
B: 12 + n
C: n − 12
D: 12n

Answers

Answer:

the answer is

Step-by-step explanation:

So 12 more than N would be 12 + N.

Answer:

b) 12 + n

Step-by-step explanation:

The statement is,

→ 12 more than a number.

Now equation will be,

→ 12 + n

≈ (or) n + 12

So, option (b) is correct.

A cylinder with a height of 24 centimeters has a volume of 2, 713 cubic centimeters.
Which is closest to the radius of the cylinder?
A. 3 cm
B. 6 cm
O C. 18 cm
D. 36 cm

Answers

Answer:

18 cm Is the Answer To your Question

20. Bernadette is a bus driver for the local transit authority, and she earns a regula
hourly wage of $17.08. She receives overtime pay, at 1.5 times her regular hourly
wage, for any hours more than 40 hours that she works in a week. This week,
Bernadette will work 48 hours. What will be her weekly gross pay?

Answers

The weekly gross pay will be $2732.80.

How to calculate the gross pay?

Based on the information, the extra hours that was spent will be:

= 48 - 40 = 8 hours

Therefore, the gross pay will be;

= ($17.08 × 40) + (8 × $17.08 × 1.5)

= $683.20 + $2049.6

= $2732.80

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Right now, James earns an annual salary of $46,453. He is considering a job offer with an annual salary
of $51,255. What is the difference in the weekly pay for these two jobs, rounded to the nearest cent?

Answers

Answer:

$92.35

Step-by-step explanation:

Subtract 46,453 from 51,255 to get 4,802.  Now divide that result by 52 to get 92.346.  Round that to the nearest cent to get 92.35.

WILLL MARK BRAINLIEST AND GIVE POINTS Pls solve the check mark problems

Answers

Answer: 97. -10<n<8

99. g>=7 or g<0

101. x<5 or x>=6

Step-by-step explanation:

97. -1<9+n<17

-1-9<9-9+n<17-9

-(1+9)<n<17-9

-10<n<8

99. g+5>=12

g+5-5>=12-5

g>=7

g/9 < 0

g<0

g>=7 or g<0

101.

2x<10

x<5

x/2 >=3

x>=6

x<5 or x>=6

If the United States government raises the income taxes on thr wealthy Americans while increasing welfare payments to the poorest Americans

Answers

Increasing income taxes on the wealthy while increasing welfare payments to the poorest, will likely reduce inequality and reduce efficiency.

What is the effect of an increase in income tax?

Note: The complete question is presented before answering the question as follows:

If the united states government raises the income taxes on the wealthiest Americans, while increasing welfare payments to the poorest Americans, the result will likely be.

The answer is now as follows:

An income tax is a tax that is levied against people or organizations based on their earnings.

Increasing income taxes on the wealthy while increasing welfare payments to the poorest, will redistribute wealth and reduce inequality.

However, doing so will reduce the incentive for the wealthy to work to produce more commodities which will result in a reduction in efficiency.

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Pierre deposits $9,000 in a certificate of deposit that pays 1.4% interest, compounded semi-annually
How much interest does the account earn in the first six months?
What is the balance after six months?

Answers

Answer:

Interest = $63

Balance = $2,063

Step-by-step explanation:

Compound Interest Formula

[tex]\boxed{\sf I=P\left(1+\frac{r}{n}\right)^{nt} -P}[/tex]

where:

I = Total interest.P = Principal amount.r = Interest rate (in decimal form).n = Number of times interest is applied per year.t = Number of time periods (years) elapsed.

Given:

P = $9,000r = 1.4% = 0.014n = 2 (semi-annually)t = 0.5 (half a year)

Substitute the given values into the formula and solve for I:

[tex]\implies \sf I=9000\left(1+\dfrac{0.014}{2}\right)^{2 \times 0.5}-9000[/tex]

[tex]\implies \sf I=9000\left(1+0.007\right)^{1}-9000[/tex]

[tex]\implies \sf I=9000\left(1.007\right)-9000[/tex]

[tex]\implies \sf I=9063-9000[/tex]

[tex]\implies \sf I=63[/tex]

Therefore, the account earns $63 interest in the first six months.

The balance after six months is $2,063.

678876590* 34567845678

Answers

Answer:

ano yan ang tanong mo

Step-by-step explanation:

ano yan

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