2x² + 12x + 16



what is it

Answer:

pls rate as brainliest it will really go a long way

Reflection over the y-axis: (x,y)→(−x,y)

Reflection over the x-axis: (x,y)→(x,−y)

When making a reflection of a triangle and describing it you would need to provide the following two details. First, over which axis the triangle is being reflected over. Secondly, the exact location of each reflected point of the triangle. Doing so would describe how the triangle is being reflected and which point is ending up in which location. Thus, letting the viewer/reader know exactly what is being done to the triangle

Triangle reflection is the figure obtained when a triangle is flipped on a coordinate system based on a line of reflection.

Reflection over the y-axis: (x,y)→(−x,y)

Reflection over the x-axis: (x,y)→(x,−y)

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Answer:

19c + 30

Step-by-step explanation:

Distributive property : a(b+c) = ab + ac

Explanation : simply multiply the value on the outside of the parenthesis by both the values on the inside of the parenthesis.

Here we have 1(19c + 30)

To distribute, we multiply 1 by both 19c and 30

1 x 19c = 19c

1 x 30 = 30

We're left with 19c + 30

Answer:

2 pints

Step-by-step explanation:

if you add all of it up you get 2 pints.

1/4*8 = 2 pints

Answer: V = 75.4

Step-by-step explanation: Assuming this is a cylinder we can use the formula πr^2*h. All we have to do is plug in the numbers for the equation. Since we know radius is half of the diameter we can set radius to 2. h represents height.

So since the formula is saying we need to square the radius. We multiply 2*2=4

We can then plug this in for r squared.

Making our equation=  π*4*6 = 75.4

The bacterial cell is 7 x 10¹ times smaller than the amoeba cell.

Here,

The length of a bacterial cell is about 5 x 10⁻⁶ m.

The length of an amoeba cell is about 3.5 x 10⁻⁴ m.

We have to find the how many times the bacterial cell is smaller than the amoeba cell.

What is Division method?

Division method is used to distributing a group of things into equal parts.

Now,

The length of a bacterial cell is = 5 x 10⁻⁶ m.

The length of an amoeba cell is = 3.5 x 10⁻⁴ m.

Hence, The size of cell is calculated as =  3.5 x 10⁻⁴ ÷ 5 x 10⁻⁶

                                                            = 0.7 x 10²

                                                            = 7 x 10¹

Therefore, The bacterial cell is 7 x 10¹ times smaller than the amoeba cell.

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Answer:

7 x 10^1 (i got it right on the exam)

Answer: Adult tickets were sold = 325

Step-by-step explanation:

Let, A = Number of adult tickets sold

S = Number of student tickets sold

Total number of tickets=599

Therefore:

                           A + S = 599

If, there were 51 fewer student tickets sold them adult tickets.

Since,

                            S=A-51

So, substitute A-51 for the value of the first equation.    

                            A+S=599    

                        A+(A-51)=599

Expanding to get:

                            2A-51=599

Solve to get:

                          2A=599+512

                          A=650A

                          A=325

So, A=325 adult tickets were sold.

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The limit as a definite integral on the given interval. lim n→[infinity] n xi ln(1 xi2) δx, [2, 6] {62xlnc 1+X2} dx

As per the given question

Lim n - infinite n xi ln (1×i2) € x = (A,B) =(2,6)

We have to put the formula of Reimann sum

That is Rn = Sigma x ni = 1f (xi) ∆x

Comparing the evolved formula with the given expression we get

f (xi) = xi ln (1×2i)

Back substitute the variable x for xi

Thus the definite integral is

( 6 2 x ln (1+X2)) dx

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The simplified form of the given expression is x raise to the power of one-thirty.

Given the indices expression (x^1/2/(x^1/3)^1/5

Using the indices law below:

a^m/a^n = a^m-n

(a^m)^n

Applying the law above to the given equation

(x^1/2/(x^1/3)^1/5 = (x^1/2-1/3)^1/5

(x^1/2/(x^1/3)^1/5 = (x^1/6)^1/5

(x^1/2/(x^1/3)^1/5 = x^1/30

Hence the simplified form of the given expression is x raise to the power of one-thirty.

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Answer: 0.16666

Step-by-step explanation:

You need to move the decimal point over

[tex]\frac{5.9}{35.4} \\ \\ \frac{59}{354}=\frac{59.0}{354} =\frac{0.16666}{554}[/tex]

ANSWER:

d

ANSWER EXPLANATION: Think of the equation as an equation for a line

y=mx+b

where in this case

C=59(F−32)

or

C=59F−59(32)

You can see the slope of the graph is 59, which means that for an increase of 1 degree Fahrenheit, the increase is 59 of 1 degree Celsius.

C=59(F)

C=59(1)=59

Therefore, statement I is true. This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 95 degrees Fahrenheit.

C=59(F)

1=59(F)

(F)=95

Since 95 = 1.8, statement II is true.

The only answer that has both statement I and statement II as true is D, but if you have time and want to be absolutely thorough, you can also check to see if statement III (an increase of 59 degree Fahrenheit is equal to a temperature increase of 1 degree Celsius) is true:

C=59(F)

C=59(59)

C=2581(whichis≠1)

An increase of 59 degree Fahrenheit leads to an increase of 2581, not 1 degree, Celsius, and so Statement III is not true.

The final answer is D.

Answer:

D) i and ii

Step-by-step explanation:

from given equation, we can simplify =
1.8 C = F-32 .....................i
F = 1.8 C +32 ....................ii




now,  from (i)
1.8 (C+1 ) = 1.8 C + 1.8 = (F +1.8) -3.2
so increasing 1 C  equivalent to 1.8 F ........... iii

from iii,
increasing (1/1.8) C or (5/9) C equivalent to (1.8/1.8) F or 1 F


increasing (5/9)/ (5/9) or (25/81) C equivalent to 5/9 degree F
(so given iii become false)


only i and ii is true = D

Answer:

See explanation

Step-by-step explanation:

a. Skewed to the right since the tail of the graph is on the right

b. Each bar is 3 values. 7*3=21 values

c. The bars are taller for lower numbers. Hence, the question could be about age. "Who likes to watch cartoons?"

cluster sampling is the type of sampling is used.

In cluster sampling, a population is divided into clusters, which are smaller groups. They then choose a sample at random from these clusters. Often employed to investigate huge populations, particularly those that are extensively geographically distributed, cluster sampling is a probability sampling technique. Typically, clusters used by researchers are already-existing groups like cities or schools. Clusters are frequently more homogeneous than the population as a whole since they are typically naturally occurring groups, such as schools, cities, or houses. When conducting your study, you should be aware of this as it might compromise the validity of your findings.

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Answer: I think 1.2

Step-by-step explanation:

1.35

The ratio of the volume of the rigth circular cylinder a to the volume of the right circular cylinder b is 1: 18.

According to the given question.

We have two right circular cylinder, a nd b.

Also,

The radius of right circular cylinder, a is r.

The height of the right circular cylinder, a is h.

The radius of the right circular cylinder, b is 3r.

And the height of the right circular cylinder, b is 2h.

As we know that, the volume of a cylinder can be calculated using the formula V=πr^2(h). Where r is the radius and h is the height of the cylinder.

So, the volume of the right circular cylinder a  = πr^2h

And, the volume of the right circular cylinder b = π(3r)^2(2h) = 18hr^2π

Therefore,

The ratio of the volume of the rigth circular cylinder a to the volume of the right circular cylinder b

= πr^2h/18hr^2π

= 1:18

Hence, the ratio of the volume of the rigth circular cylinder a to the volume of the right circular cylinder b is 1: 18.

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Answer: The three consecutive numbers that make up -30 are -9, -10, and -11, -9 + -10 + -11 = -30. The smallest of the three consecutive numbers is -11.

Step-by-step explanation:

Answer:

0.11 yards

Step-by-step explanation:

To convert centimeters to yards, find the needed unit conversions:

[tex]cm(\frac{in}{cm})(\frac{ft}{in})(\frac{yd}{ft})[/tex]

Convert centimeters to inches, inches to feet, then feet to yards!

Now replace the values with the correct quantities:

[tex]10cm(\frac{1in}{2.54cm})(\frac{1 ft}{12 in})(\frac{1 yd}{3 ft})[/tex]

Finally, simplify and cross-cancel the units:

[tex]0.10936... yd[/tex]

Round to the nearest hundredth:

[tex]0.11 yd[/tex]

Answer:

[tex]\textsf{Factored form}: \quad (a^2+4)(a-2)[/tex]

[tex]\textsf{Standard form}: \quad a^3-2a^2+4a-8[/tex]

Step-by-step explanation:

Given expression:

[tex]\dfrac{a^4-16}{a+2}[/tex]

Rewrite the exponent 4 as 2·2 and 16 as 4²:

[tex]\implies \dfrac{a^{2 \cdot 2}-4^2}{a+2}[/tex]

[tex]\textsf{Apply exponent rule} \quad a^{bc}=(a^b)^c[/tex]

[tex]\implies \dfrac{\left(a^2\right)^2-4^2}{a+2}[/tex]

[tex]\textsf{Apply the Difference of Two Squares Formula} \quad x^2-y^2=\left(x+y\right)\left(x-y\right):[/tex]

[tex]\implies \dfrac{(a^2+4)(a^2-4)}{a+2}[/tex]

Rewrite 4 in the second parentheses of the numerator as 2²:

[tex]\implies \dfrac{(a^2+4)(a^2-2^2)}{a+2}[/tex]

Apply the Difference of Two Squares Formula to (a² - 2²):

[tex]\implies \dfrac{(a^2+4)(a+2)(a-2)}{a+2}[/tex]

Cancel the common factor (a + 2):

[tex]\implies (a^2+4)(a-2)[/tex]

Expand:

[tex]\implies a^2(a-2)+4(a-2)[/tex]

[tex]\implies a^3-2a^2+4a-8[/tex]

Answer:

123910-w137762 cotkw

naodiskd

Answer:

450 eggs

Step-by-step explanation:

if an egg box can hold 10 eggs

then 45x10=450

Explanation:

531/16=(10+10+10+3) + 3

Didisor =16

Dividend=531

Quotient= 10+10+10+3

=33

Remainder=3

531-3=33*16

528=33*16

528/16=33

33=33

A function assigns the value of each element of one set to the other specific element of another set. The person can see upto 9.996 meters.

A function assigns the value of each element of one set to the other specific element of another set.

Given that  a person's eye level is h meters above sea level and she can see d kilometers to the horizon, then d=3.57√(h).

Now, using the same given function we can find the distance up to which the person will be able to see to the horizon. Therefore, we can write,

d=3.57√(h)

d = 3.57 √(7.84)

d = 3.57 × 2.8

d = 9.996

Hence, the person can see upto 9.996 meters.

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The number of hours to operate the mines to minimize cost are Mine 1 hour = 25 hours and Mine 2 hour = 10 hours

The given parameters can be represented using the following table of values

                               Mine 1 (x)              Mine 2 (y)   Available

Regular grade          5                            20             325

Low grade               18                             9              540

Operating cost      16000                     12000

Time                        37                                34

From the table, we understand that we are to minimize cost

This means that:

Objective function: C = 16000x + 12000y

Subject to:

5x + 20y >= 325

18x + 9y >= 540

Next, we plot the constraints on a graph (see attachment)

From the graph, we have

(x, y) = (25, 10)

This means that

Mine 1 hour = 25 hours

Mine 2 hour = 10 hours

Hence, the number of hours to operate the mines to minimize cost are Mine 1 hour = 25 hours and Mine 2 hour = 10 hours

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The expression that represents five less than the sum of mark's and hatch's ages is ( h + m ) - 5

Given,

Mark's age is represented by m

Hatch's age is represented by h

To find an expression that shows the required relation, that is, five less than the sum of mark's and hatch's ages, we need to establish a relation between the given variables.

Sum of mark's and hatch's ages can be represented as ( m + h )

Five less than the sum of mark's and hatch's ages can be represented as ( m + h ) - 5.

Therefore, by establishing a relation between the given variables, we get the expression that represents five less than the sum of mark's and hatch's ages as ( h + m ) - 5.

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To change the order of operations in a formula, use parentheses around the part of the formula you want to calculate first.

Parentheses allow you to group elements in a cell.  This allows you to create more complex and more powerful formulas.

Consider the expression 6+4*2.

The above formula gives result as 14 because Excel performs multiplication before addition. The formula multiplies 4 by 2 and then adds 6 to the result.

Now consider the expression (6+4)*2.

If you use parentheses to change the syntax, Excel adds 6 and 4 together and then multiplies the result by 2 to produce 20.

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To change the order of operations in a formula, use parentheses around the part of the formula you want to calculate first.

Parentheses allow you to group elements in a cell.  This allows you to create more complex and more powerful formulas.

Consider the expression 6+4*2.

The above formula gives result as 14 because Excel performs multiplication before addition. The formula multiplies 4 by 2 and then adds 6 to the result.

Now consider the expression (6+4)*2.

If you use parentheses to change the syntax, Excel adds 6 and 4 together and then multiplies the result by 2 to produce 20.

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(f + g) is { (2,6) ,(6,11) ,(9,14),(12,17) } and (f - g) is  { (-2,-4) ,(-2,-3) ,(-1,-2),(0,-1)}.

A certain kind of relationship called a function binds inputs to essentially one output.

A function can be regarded as a computer, which is helpful.

The machine will only accept specified inputs, described as the function's domain, and will potentially produce one output for each input.

Given the functions f and g

f  = {(0, 1), (2, 4), (4, 6), (6, 8)}

g = {(2, 5), (4, 7), (5, 8), (6, 9), (7, 5)}

Now,

f + g is nothing but the sum of x and y corresponding

For example (0,1) + (2,5) = (2 ,6)

Similarly  (0,1) - (2,5) = (-2,-4)

So,

(f + g) = { (2,6) ,(6,11) ,(9,14),(12,17) }

(f - g) = { (-2,-4) ,(-2,-3) ,(-1,-2),(0,-1)}

Hence "(f + g) is { (2,6) ,(6,11) ,(9,14),(12,17) } and (f - g) is  { (-2,-4) ,(-2,-3) ,(-1,-2),(0,-1)}".

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The parametric equations are line through (0,0,0) in the direction of the vector v=uxw=(1,2,1).

The line through (0,0,0) and perpendicular to both U=(-2,1,0) and

w=(-1,0,1)

Therefore the line through (0,0,0) and parallel to (-2,1,0)

[tex]*10919-1-2, î+1=3618 = (1) ņ - (-2)5+ (1)a • Î +21 + û[/tex]

=(1,2,1)

Therefore direction ratio of the line through (0,0,0) is (1,2,1) Therefore for equation of the line through (0,0,0) and perpendicular to both (-2,1,0) and [tex]w=(-1,0,17 is (0,, z) = (0,0,0) + x (1,2,1),[/tex] & is constant.

[tex].: X (1,4,2)= (0, 1, 0)+ [1,2,1][/tex]

Therefore parametric of the line through (0,0,0) in the direction of the vector v=uxw=(1,2,1)

Equivalent Equation of a Plane in Vector Form

The equation for a plane in the real number system R, where r is the position vector of any point on the plane and n is either a normal vector perpendicular to the plane or a parallel vector.

The normal vector must be perpendicular to both as the vectors are both parallel to the plane. Recall that a vector that is perpendicular to both vectors is created by taking the cross product of two vectors. This cross product's characteristic can be used to compute a normal vector to the plane, which results in the normal vector.

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