Tia wrote a perfect square trinomial on the board, but a value is missing. Which of the following statements must be true?

Tia Wrote A Perfect Square Trinomial On The Board, But A Value Is Missing. Which Of The Following Statements

Answers

Answer 1

Answer:

c

Step-by-step explanation:

i think it's C cause it shows you the 4×

Answer 2

The missing value in the given perfect square trinomial is 20. (option 2)

What is a perfect square trinomial?

A perfect square trinomial is a trinomial that can be written as the square of a binomial.

Given that, Tia wrote a perfect square trinomial on the board, but a value is missing.

The trinomial is =

4x²+?+25

When comparing with (a+b)² = a²+b²+2ab

We get,

a² = 4x²

a = 2x

b² = 25

b = 5

We are asked to find, 2ab,

Therefore,

2ab = 2×2x×5

= 20x

Hence, the missing value in the given perfect square trinomial is 20.

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Related Questions

A cube is 5 feet on each side. What is its volume? 125 ft 3 150 ft 3 25 ft 3 50 ft 3

Answers

[tex] \mathfrak{V=a³}[/tex]

Where,

a is the length of edge

In our case,

a = 5 feet

[tex] \sf \: V= {5}^{3} [/tex]

[tex] \sf \: V= {125} \: ft^{3} [/tex]

Thus, The volume of the cube is 125 feet³...~

Solution:

We know that:

[tex]Volume = L^{3} = (L)^{3}[/tex]

Substituting the side length into the equation:

[tex]Volume = (L)^{3}[/tex]

[tex]Volume = (5)^{3}[/tex]

Evaluating the volume:

[tex]Volume = (5)(5)(5)[/tex]

[tex]Volume = 125 \space\ ft^{3}[/tex]

The table below helps to change centimetres into inches.



About how many inches are there in 14 centimetres?

Answers

Answer:

5.51181 Inches

Step-by-step explanation:

No table is provided, to turn cm to inches divide the cm by 2.54, if you need help with division contact me, thank you.

dose anybody know the answer me and my friend is betting​

Answers

A3 plus B3 if you need to find the overall total than you multiply the amounts given which is a3+b3

what is 1 x 3/4 x 1/2 =

Answers

Answer:

3/8

Step-by-step explanation:

3/4 x 1/2 = 3/8

3/8 x 1/1 = 3/8

Hope that helps!

Help help ASAP ASAP

Answers

Answer:

6

Step-by-step explanation:

5y - 12 = 18

5y = 30

y = 6

Answer:

I would say five, not positive though. if it isn't five then i'd say 12!

Step-by-step explanation:

The width of DNA is approximately 0.0000000025 meters wide. What is 6 times the width of DNA in Scientific notation

Answers

Answer:

Well "0.0000000025 x 6" is "1.5e-8" but

Step-by-step explanation:

Sadly I can't explain anything, It's just not one of my skills :(

The 6 times the width of DNA in Scientific notation will be 1.5 × 10⁻⁸.

What is Algebra?

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

PEMDAS rule means the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.

The width of DNA is approximately 0.0000000025 meters wide.

The 6 times the width of DNA in Scientific notation will be given as,

⇒ 6 × 0.0000000025

⇒ 6 × 2.5 × 10⁻⁹

⇒ 1.5 × 10⁻⁸

The 6 times the width of DNA in Scientific notation will be 1.5 × 10⁻⁸.

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Molly and Susan went to lunch at a restaurant. Their check came to $32. They want to leave a 18% tip. What is the total cost of their meal?

Answers

Answer:

$37.76

Step-by-step explanation:

.18*32 = 5.67

5.67+32 = 37.76  

A sound wave has an equation y=5sin(124pi t) Where t= time in seconds. What is its frequency?

Answers

Step-by-step explanation:

Frequency is b/2 pi.

Here b is 124 pi. so the frequency is

[tex] \frac{124\pi}{2\pi} = 52[/tex]

The frequency is 52

Answer: 62

Step-by-step explanation:

I got it correct with this answer

may anyone give me an example please , this is an instruction of what we should do , we have to make a video and I need an idea. ​

Answers

Answer:

Make a presentation/video explaining how you convert the measures of length stated, using an object. Use different objects for different lengths. I'm guessing you do online school? So, send it to your teacher or instructor when you're done.

Which of the following is a perfect square?Single choice.
a) 1057
b) 625
c) 7928
d) 64000​

Answers

Answer:

b. 625

Step-by-step explanation:

you just have to find the square root

which is 25

the rest have decimals

Explain why some systems of equations have no solutions, why some systems have one solution, and why some systems have infinite
solutions.

Answers

Answer:Some equations may not have solutions and some may have one or more than one is because of the variables or how they are written

Step-by-step explanation:not 100% sure this is the correct answer,I tried my best.

A system of equations consists on a group of equations that we must solve at the same time.

From this, the solutions of a system of equations appear as the intersections between the graphs of the equations that conform the system.

So for example, if a system has two parallel lines (two lines that never intersect) that system will have no solution.

If a system has two different and not parallel lines, these lines will intersect at some point, so this system will have one solution.

And finally, if the system has twice the same line, the graphs of the lines will intersect in infinite points, thus, this system has infinite solutions.

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Cheryl wants to save at least $500 to buy a video game console. She already has $100 saved up and is going to babysit for $20 an hour until she can save up the rest. Write an inequality to represent this scenario, then solve the inequality to find out the minimum number of hours she must babysit to save a total of $500?

Answers

Answer:

x + 5 ≥ 25 [Inequality]

Minimum no. of hours = 15 hours

Step-by-step explanation:

Given :-

Price of video game console = $500

Money in hand = $100

Rate at which money is gained = $20/h

To Find :

Inequality to represent the situation

Variables :-

h = number of hours

Solving :-

20x + 100 ≥ 500

x + 5 ≥ 25 [Inequality]

x + 5 ≥ 20

x ≥ 15

Minimum no. of hours = 15 hours

A bottle contains 125 multivitamin tablets. Each tablet contains 20 milligrams of niacin.


How many grams of niacin in all are contained in the bottle?

Answers

Answer

2.5

Step-by-step explanation:

125 vitamins, 20 milligrams in each.

convert 20 milligrams to grams, 0.02

multiply 0.02 by 125

2.5

Answer2.5

Step-by-step explanation:

hope it helps

40 divided by 28 .can you pls exsplain in a way a 5th grader can understand?

Answers

Answer:

1.42857

Step-by-step explanation:

[tex]\mathrm{Write\:the\:problem\:in\:long\:division\:format}[/tex]

[tex]28\overline{|\smallspace40}\:\:[/tex]

[tex]\mathrm{Divide\;40\;by\;28\;to\;get\;1}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\:\:\emptyspace1.\:\:\:\:\:\:\:\:\:\:\:\\ 28\overline{|\smallspace40.0}\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\emptyspace2\emptyspace8}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace1\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{Divide\;120\;by\;28\;to\;get\;4}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\:\:\emptyspace1.\emptyspace4\:\:\:\:\:\:\:\:\:\\ 28\overline{|\smallspace40.0\cdot \:0}\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\emptyspace2\emptyspace8}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace1\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\underline{\emptyspace1\emptyspace1\emptyspace2}\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\:\:\:\:\emptyspace8\emptyspace0\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{Divide\;80\;by\;28\;to\;get\;2}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\:\:\emptyspace1.\emptyspace4\emptyspace2\:\:\:\:\:\:\:\\ 28\overline{|\smallspace40.0\cdot \:0\cdot \:0}\:\:\:\:\:\\ \underline{\emptyspace2\emptyspace8}\:\:\:\:\:\:\:\:\:\:\:\:\\ \emptyspace1\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \underline{\emptyspace1\emptyspace1\emptyspace2}\:\:\:\:\:\:\:\:\:\:\\ \;\;\emptyspace8\emptyspace0\:\:\:\:\:\:\:\:\\ \:\underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\\ \emptyspace2\emptyspace4\emptyspace0\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{Divide\;240\;by\;28\;to\;get\;8}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\:\:\emptyspace1.\emptyspace4\emptyspace28\:\:\:\:\:\:\:\\ 28\overline{|\smallspace40.0\cdot \:0\cdot \:0}\:\:\:\:\:\\ \underline{\emptyspace2\emptyspace8}\:\:\:\:\:\:\:\:\:\:\:\:\\ \emptyspace1\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \underline{\emptyspace1\emptyspace1\emptyspace2}\:\:\:\:\:\:\:\:\:\:\\ \;\;\emptyspace8\emptyspace0\:\:\:\:\:\:\:\:\\ \:\underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\\ \emptyspace2\emptyspace4\emptyspace0\:\:\:\:\:\:\end{matrix}[/tex]

       [tex]\underline{\emptyspace2\emptyspace2\emptyspace4}\\160[/tex]

[tex]\mathrm{Divide\;160\;by\;28\;to\;get\;5}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\:\:\emptyspace1.\emptyspace4\emptyspace285\:\:\:\:\:\:\:\\ 28\overline{|\smallspace40.0\cdot \:0\cdot \:0}\:\:\:\:\:\\ \underline{\emptyspace2\emptyspace8}\:\:\:\:\:\:\:\:\:\:\:\:\\ \emptyspace1\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \underline{\emptyspace1\emptyspace1\emptyspace2}\:\:\:\:\:\:\:\:\:\:\\ \;\;\emptyspace8\emptyspace0\:\:\:\:\:\:\:\:\\ \:\underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\\ \emptyspace2\emptyspace4\emptyspace0\:\:\:\:\:\:\end{matrix}[/tex]

       [tex]\underline{\emptyspace2\emptyspace2\emptyspace4}\\160[/tex]

       [tex]\underline{\emptyspace1\emptyspace4\emptyspace0}\\200[/tex]

[tex]\mathrm{Divide\;200\;by\;28\;to\;get\;7}[/tex]

[tex]\begin{matrix}\:\:\:\:\:\:\:\:\emptyspace1.\emptyspace4\emptyspace2857\:\:\:\:\:\:\:\\ 28\overline{|\smallspace40.0\cdot \:0\cdot \:0}\:\:\:\:\:\\ \underline{\emptyspace2\emptyspace8}\:\:\:\:\:\:\:\:\:\:\:\:\\ \emptyspace1\emptyspace2\emptyspace0\:\:\:\:\:\:\:\:\:\:\\ \underline{\emptyspace1\emptyspace1\emptyspace2}\:\:\:\:\:\:\:\:\:\:\\ \;\;\emptyspace8\emptyspace0\:\:\:\:\:\:\:\:\\ \:\underline{\emptyspace5\emptyspace6}\:\:\:\:\:\:\:\:\\ \emptyspace2\emptyspace4\emptyspace0\:\:\:\:\:\:\end{matrix}[/tex]

      [tex]\underline{\emptyspace2\emptyspace2\emptyspace4}\\160[/tex]

     [tex]\underline{\emptyspace1\emptyspace4\emptyspace0}\\200[/tex]

     [tex]\underline{\emptyspace1\emptyspace9\emptyspace6}\\4[/tex]

[tex]\mathrm{Stopping\:at\:5\:decimal\:places}[/tex]

[tex]\mathrm{The\:solution\:for\:Long\:Division\:of}\:\frac{40}{28}\:\mathrm{is}\:1.42857[/tex]

~[RevyBreeze]~

Tell me if you don't understand!

The division of the expression when 40 divided by 28 is [tex]\dfrac{10}{7}[/tex] or  1.42857143.

A number that divides another number without leaving any remainder and the quotient is a whole number is called a factor.

The factors of 12 are = 1,2,3,4,6 and 12.

Here, when these factor will divide 12, there will no remainder, i.e. they will completely divide 12.

The division of the expression 40 divided by 28 is calculated as:

The factors of 40 are : 1,2,4,5,8,10,20 and 40

The factors of 28 are: 1,2,4,7,14 and 28.

This expression can be written as:

[tex]\dfrac{40}{28}=\dfrac{1\times2\times4\times5\times8\times10\times20\times40}{ 1\times 2\times 4\times 7\times 14\times 28}[/tex]

The numbers cancel out using the rule of divisibility, and the remaining  fraction will be [tex]\dfrac{10}{7}[/tex] and in decimal form will be 1.42857143.

Thus, when 40  is divided by 28, the result is 1.42857143 or [tex]\dfrac{10}{7}[/tex] in fraction form.

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If vector p = [5, –3] and vector q = [1,4], find
|p⃗−5q⃗|

Answers

Answer:

its answer is 17 first find p and q value then use x2-x1 y2-y1 formula

how to calculate 13C2

Answers

Answer:

13C2 = 78

Step-by-step explanation:

Formula

[tex]nCr=\dfrac{n!}{r!(n-r)!}[/tex]

The ! symbol in math is called "factorial".  When placed after a number, it means to multiply the number by every natural number below it.

For 13C2:

n = 13r = 2

Substitute these values into the formula:

[tex]13C2=\dfrac{13!}{2!(13-2)!}[/tex]

        [tex]=\dfrac{13!}{2! \ 11!}[/tex]

        [tex]=\dfrac{13 \times 12 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 }{2 \times 1 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}[/tex]

        [tex]=\dfrac{13 \times 12}{2 \times 1}[/tex]

        [tex]=\dfrac{156}{2}[/tex]

        [tex]=78[/tex]

The sum of Manoela's age and 12 is 30.
Let x represent Manoela's age. Write an
equation to represent the sentence above

Answers

Answer:

x + 12 = 30

Step-by-step explanation:

For the answer subtract 12 from 30 to get 18 which would be Manoela's age

What is the area, in square feet, of the trapezoid below?

Answers

Answer:

93.3 square feet

Step-by-step explanation:

12.8 + 5.9 = 18.7

18.7 x 10 = 187

187 / 2 = 93.3

three friends are selling items at a bake sale.may makes $23.25 selling bread inez sells gift baskets and makes 100 times as much as may . jo sells pies and makes one tenth of the money inez makes how much money does each friend make?​

Answers

Answer:

May makes $23.25, Inez makes $2325, and Jo makes $232.50.

Step-by-step explanation:

Inez makes 100x 23.25= 2325

jo makes 2325/10=232.5

Gift Wrapping A gift box has the shape of a rectangular prism. How much wrapping paper do you need to cover
the box?
14 in
4 in
12 in

Answers

14 + 4 +12 = 30 which means that the answer is 30 so here you go

Drag each coordinate pair to the correct location on the table. Each coordinate pair can be used more than once, but not all coordinate pairs will
be used.
A system of inequalities is graphed below.
1
2
у
4
6
4
2
1-6
-4
2
2
6
4
6
Determine if each point satisfies one of the Inequalities or the system graphed. Then, place each solution point in the correct category. If the
point is a solution for more than one category, place the point in each category that is satisfied.
(-3,-4)
(-4,-5)
(-1,-1)
(-3,6)
(2,6)
(1,-3)
(-2,5)

Answers

Answer:

For inequation 1:

(2, 6)(1, -3)(-2, 5)

For inequation 2:

(2, 6)(-1,-1)(-3. 4)(1,-3)

For the system:

(2, 6)(1, -3)

Step-by-step explanation: got it right on the test

Using the MACRS rates from the following table,
what is the book value of a $3,500 computer after 2
years?
Year MACRS Rate
1
20.0 %
2 32.0 %
3 19.2 %
4 11.52 %
5 11.52 %
book value = [?]

Answers

The book value of a $3,500 computer after 2 years is $2380

How to calculate book value

The book value is gotten by subtracting the product of the initial value and MACRS rate from the initial value.

The book value after 2 years = 3500 - (32% of 3500)

The book value after 2 years = 3500 - (0.32 * 3500) = 2380

The book value of a $3,500 computer after 2 years is $2380

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Select the correct answer.
Chase is constructing equilateral triangle EFG inscribed in a circle.
He begins by using a compass to draw circle X. He then uses a straightedge to draw a diameter of the circle and labels the endpoints D and E.
How can Chase find points Fand G?
OA.
Points Fand G are endpoints of a chord that is perpendicular to and bisects DE.
OB.
Points F and G are the points where circle X intersects a congruent circle centered at D.
O c.
Points Fand G are the points where circle X intersects a congruent circle centered at E.
OD
Points F and G are points of intersection of two congruent circles centered at D and E.

Answers

In the construction of the equilateral triangle EFG inscribed in a circle, Chase can find points F and G as D. Points F and G are points of intersection of two congruent circles centered at D and E.

What is an equilateral triangle?

It should be noted that an equilateral triangle simply means a triangle that has all the sides and angles to be equal.

After drawing the diameter of the circle through the center, it's important to open the compass to a width that's equivalent to the radius the circle.

In this case, it can be deduced that Points F and G are points of intersection of two congruent circles centered at D and E.

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Answer: D

Step-by-step explanation:

I got it write on edmentum

Write an equation in a slope-intercept form for the line described.
parallel to y=4x+2, y-intercept at 4​

Answers

Answer: y= 4x + 4

Step-by-step explanation: The equation is in slope intercept form, y=mx+b. The slope is the same since it is parallel to the equation, and since b is the x interecept, b is 4.

Given that:

f(x)=2x^2-3x-4 & g(x)=2x-2

Find the following:

g(2)=





Answers

Answer:

2

Step-by-step explanation:

substitute 2 in for x in the g(x) to get 2(2)-2= 2

If each cube in the rectangular prism measures 1 cubic centimeter, what is the volume of the prism?

Answers

Answer:

C) 16 cubic cm

Step-by-step explanation:

1 cubic cm / cube

4 x 2 x 2 on each side = 16 cubes

16 cubic cm

A solid shape is made by joining two cones. Each cone has the same radius. One cone has The other cone has slant height = 2x radius The total surface area of the shape is slant height = 3x radius 57.8 pi cm^ 2 Curved surface area of acone = pi*r * l where r is the radius and I is the slant height Work out the radius. Each cone has the same radius.

Answers

The given area of the shape of 57.8·π cm², and length of the slant sides

being a factor of the radius, gives the length of the radius as 3.4 cm.

How can the length of the radius be calculated?

Given;

Radius of the two cones are equal.

Slant height of one cone = 2 × Radius

Slant height of the other cone = 3 × Radius

Surface area of the shape = 57.8·π cm²

The curved surface area of a cone = π·r·l

Required:

The radius of the cone.

Solution;

Surface areas of the cones are therefore;

π·r × 2·r, and π·r × 3·r

The total surface area is therefore;

π·r × 2·r + π·r × 3·r = 57.8·π

5·r²·π = 57.8·π

Which gives;

r² = 57.8 ÷ 5 = 11.56

r = √(11.56) = 3.4

The radius of the cones, r = 3.4 cm

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Kelsey had 8 entries in her science journal. Last week, she wrote x more entries. How many entries are in her science journal now?

Answers

Answer:

8 + x

Step-by-step explanation:

She started with 8 entries.

She added x entries.

The total now is the sum of 8 and x.

Answer: 8 + x

5 Isabella ran the 100-meter dash five times. The time it took her to complete each
race, in seconds, was 12.7, 12.807, 12.78, 12.08, and 12.087.
Part A
Isabella wants to order the race times from her longest time to her shortest time.
Write the decimals in order from greatest to least.
12.87
12.1.
12.07
12.07
DE

Answers

Answer:

12.87  12.1  12.07  12.07

Step-by-step explanation:

can you please help me ​

Answers

Answer:

answer 1 goes in 1st box

answer 2 goes in box 3

answer 3 goes in box 2

answer 5 goes in the last box

answer 4 goes in 2nd to last box

Step-by-step explanation:

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