Which decimal below is equivalent to
5/9?

15 more than the sum of 5 and a number a, when translated into a mathematical expression will become b. (5 + n) + 15.

An algebraic expression is a mathematical expression that can contain numbers, variables, and operations.

An algebraic expression can represent a specific value for a given value of the variable, and can be used to describe mathematical relationships and solve equations.

Algebraic expressions can be simplified, added, subtracted, multiplied and divided.

Algebraic expressions can also be represented in different forms, such as polynomials, rational expressions, exponential expressions and logarithmic expressions.

"15 more than the sum of 5 and a number a" can be represented algebraically as:

15 + (5 + a)

or

(5 + a) + 15

which can also be simplified as

a + 20

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Step-by-step explanation: :)

Answer:

19.990

Explanation:
You can find this by rounding 19.992 on a number line to the nearest tenth. Tens is the first 2 numbers in a number.

Example: 2.535.783
Eighty-Three would be the tenth number.

The factorization of the quadratic equation:

x^2 + 3x - 54

Is (x + 9)*(x - 6).

To factorize the quadratic equation we first need to find the roots:

x^2 + 3x - 54 = 0

Using the quadratic formula we will get:

[tex]x = \frac{-3 \pm \sqrt{3^2 - 4*1*(-54)} }{2} \\\\x = \frac{-3 \pm15 }{2}[/tex]

So the two roots are:

Then the factorized form of the quadratic equation is:

(x - (-9))*(x - 6)

(x + 9)*(x - 6)

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If and only if m is a divisor of 76, then there exists a full m-ary tree with 76 leaves and height 3. 1, 2, 4, 19, 38, and 76 are the divisors of the number 76.

One node at the root, 76 child nodes at the second level, and [tex]76^{2}[/tex] = 5776 child nodes at the third level make up the 5776 + 76 = 5852 nodes of a full 1-ary tree with 76 leaves and height 3. As a result, there is no whole 1-ary tree with 76 leaves and a height of 3.

 There would be one node at the root, 38 child nodes at the second level, and [tex]38^{2}[/tex] = 1444 child nodes at the third level, making a total of 1444 + 38 = 1482 nodes in a full 2-ary tree with 76 leaves and height 3. As a result, there is a full 2-ary tree that is 3 in height and has 76 leaves.

 There would be one node at the root, 19 child nodes at the second level, and [tex]19^{2}[/tex] = 361 child nodes at the third level, for a total of 361 + 19 = 380 nodes in a full 4-ary tree with 76 leaves and height 3. As a result, there is a full 4-ary tree that is 3 in height and has 76 leaves.

A full 19-ary tree with 76 leaves and height 3 would have a single node at the root, four children at the second level, and four and a half children, or 16 at the third level, for a total of 16 + four and a half and twenty nodes. As a result, there is a full 19-ary tree that is 3 in height and has 76 leaves.

 A full 38-ary tree would contain a single node at the root, two child nodes at the second level, and two and a half child nodes at the third level, for a total of four + two + six nodes. Consequently, there is a complete 38-ary tree that is 3 in height and has 76 leaves.

 There would be one node at the root, one child node at the second level, and [tex]1^{2}[/tex]= one child node at the third level, for a total of 1 + 1 = 2 nodes in a full 76-ary tree with 76 leaves and height 3. Consequently, there is a full 76-ary tree with 76 leaves and a height of 3.

  As a result, for m = 2, 4, 19, 38, and 76, a full m-ary tree with 76 leaves and height 3 exists.

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Answer:

go right 2 up 1 starting at (0,0)

Step-by-step explanation:

Answer: 15

Step-by-step explanation:

Let x be the first of the consecutive integers.

So, the consecutive integer after x would be x+1. The one after this one would be x+2. Continue this until there are nine consecutive integers.

x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) + (x+6) + (x+7) + (x+8) = 99

Simplify:

9x + 36 = 99

9x = 63

x = 7

The largest of these consecutive integers is the last one, x+8. Plug in x to this expression:

(7) + 8 = 15

The largest of these consecutive integers is 15.

Answer:

C = 2πr, where C is the circumference, π is the mathematical constant pi (approx. 3.14), and r is the radius (9 inches). Therefore, the circumference of the basketball hoop is 2π(9) = 18π inches.

Step-by-step explanation:

In other words use C=2*pi*radius to find the circumference, here you are given the radius is 9 so when you plug that in it gives you a circumfrence of 18pi inches. Hope this helps!

In order to dilate a line segment by 1/ 2, every coordinate point of the end point of the line segment is multiplied by the scale factor ½.

Dilation refers to a process of changing the size of an object or shape by either increasing or decreasing its dimensions by some scaling factors. It is a type of transformation, which is used to resize the object, making the objects larger or smaller. This transformation produces an image that is the same in shape as the original but there is a difference in the size. A dilation should either stretch or shrink the original shape and is expressed by the term “scale factor.”

When a dilation creates a larger image, it is called enlargement and when a dilation creates a smaller image, it is called reduction. If the scale factor is 1/2, every coordinate point of the original segment line is multiplied by the scale factor 1/2.

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If functions f(x) = 2x² + 4x - 5, g(x) = - 6x³+2x² - 3 then (f + g)(x)=6x³+ 4x² +4x-8

A relation is a function if it has only One y-value for each x-value.

The given two functions are f(x) = 2x² + 4x - 5

and g(x) = - 6x³+2x² - 3

We need to find  (f + g)(x).

(f + g)(x)=f(x)+g(x)

=2x² + 4x - 5 - 6x³+ 2x² -3

Now add the like terms

= 6x³+ 4x² +4x-8

(f + g)(x)=6x³+ 4x² +4x-8

Hence, if functions f(x) = 2x² + 4x - 5, g(x) = - 6x³+2x² - 3 then (f + g)(x)=6x³+ 4x² +4x-8

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An example of a complex number in standard form is (5 + 4i), where i is the imaginary unit.

example to solve (x + 5i)(2x - 3i):

Step 1: Multiply the real numbers together:

x × 2x = 2x²

Step 2: Multiply the imaginary numbers together:

5i × -3i = -15i²

Step 3: Multiply the real and imaginary parts together:

x × -3i = -3ix and 2x × 5i = 10xi

Step 4: Add all the terms together:

2x² - 15i² + -3ix + 10xi = 2x² - 15i² - 3ix + 10xi

Step 5: Simplify the terms:

2x² - 15i² - 3ix + 10xi = 2x² - 18ix - 15i²

The product of two complex numbers (x + 5i)(2x - 3i) can be found by multiplying the real numbers together, the imaginary numbers together, and the real and imaginary parts together, then adding all of the terms together and simplifying.

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A) A 3 × 4 matrix can have independent columns but not independent rows.

B) A 3 × 4 matrix can have independent columns but not independent rows.

C) If A is an mxn matrix and rank A = m, it follows that m ≤ n.

D) A nonsquare matrix can have its rows independent.

E) The null space of a 3 × 6 matrix cannot have dimension 2.

F) If A is 5x4 and null(A) = x for some column x ≠ 0, dim(im A) cannot be 2.

A) A 3 × 4 matrix can have independent columns but not independent rows. This is because a column vector can be linearly independent, meaning no linear combination of other columns in the matrix can create it, but a row vector can't be linearly independent because it can always be written as a linear combination of the columns.

B) If A is 4 × 3 and rank A = 2, it cannot have independent columns but it can have independent rows. This is because if rank A = 2, the number of linearly independent columns is 2, which is less than the number of columns, meaning that not all columns can be linearly independent. However, since rank A = 2, the number of linearly independent rows is also 2, which is less than the number of rows, meaning that some rows can be linearly independent.

C) If A is an mxn matrix and rank A = m, it follows that m ≤ n. This is because the rank of a matrix is the maximum number of linearly independent columns, which cannot be greater than the number of columns.

D) A nonsquare matrix can have its rows independent and its columns independent, as long as the number of rows is not equal to the number of columns.

E) The null space of a 3 × 6 matrix cannot have dimension 2. This is because the dimension of the null space is always less than or equal to the number of columns of the matrix, which is 6 in this case.

F) If A is 5x4 and null(A) = x for some column x ≠ 0, dim(im A) cannot be 2. This is because the dimension of the image of A is equal to the rank of A, which cannot be less than the dimension of the null space. Therefore, dim(im A) must be greater than or equal to the dimension of the null space, which is at least 1.

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The LCD (Least Common Denominator) of 10t2 is 10t2. To determine the equivalent expression is the sum of the fractions is 8t2.

A/B = C/D

Where A and B are the two fractions, and C and D are the equivalent fractions.

We will use this formula to determine the equivalent expression of the given fractions:

3t/20 = C/10t2

We can solve for C by multiplying both sides by 10t2, yielding:

30t2/20 = C/10t2

We can solve for C by multiplying both sides by 10t2, yielding:

30t2/20 = C/10t2

We can then simplify by cancelling out the 10t2 on the denominator, yielding:

C = 30t2/20

The equivalent expression for the given fractions is therefore 30t2/20.

To find the sum of the fractions, we first need to convert all fractions to equivalent fractions with a common denominator. In this case, the LCD is 10t2.

The equivalent expressions for the fractions are therefore:

3t/20 + 5/10t2 = 30t2/20 + 50/10t2

The sum of the fractions is then the sum of the numerators divided by the denominator, or:

30t2/20 + 50/10t2 = 80t2/10t2

We can simplify this expression by cancelling out the 10t2 on the denominator, yielding:

80t2/10t2 = 8t2

Therefore, the sum of the fractions is 8t2.

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The sum of 14t/10t^2 +  (5t^2 + 40t)/10t^2 is (5t^2 + 54t)/10t^2

In this question we have been given that Elias is adding 7t/5t^2 and (t + 8)/2t

He finds the least common divisor (LCD) of 7t/5t^2 and (t + 8)/2t which 10t^2

He uses multiplication to find an equivalent expression.

7t/5t^2 = 7t/5t^2 * 2/2

            = 14t/10t^2

and (t + 8)/2t = ((t + 8) * 5t)/(2t * 5t)

                     = (5t^2 + 40t)/10t^2

We need to find the sum 14t/10t^2 +  (5t^2 + 40t)/10t^2

We know that if the base of two rational expressions a/b and c/b then the denominator of the result is same and we just add numerators i.e., a/b + c/b = (a + c)/b

So, 14t/10t^2 +  (5t^2 + 40t)/10t^2

= [14t + (5t^2 + 40t)]/10t^2

= (5t^2 + 54t)/10t^2

Hence, 14t/10t^2 +  (5t^2 + 40t)/10t^2 = (5t^2 + 54t)/10t^2

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The given triangles GEF and HKJ are congruent by the AAA test of congruency and the value of a = √2.

The two triangles are proved to be congruent and the value of a is to be determined.

Both triangles are right-angled triangles.

We know that similar triangles are those triangles that have similar properties,i.e. angles and proportionality of sides.

In triangle GEF,

since the sum of the angles in a triangle is 180

∠ G + ∠ F + ∠ E =180

90 + 45 + E = 180

∠ E = 45

similarly, ∠ J = 45

In Triangle GEF and Triangle HKJ,

∠ G = ∠ K (both are 90)

∠  F = ∠ H  (both are 45)

∠ E = ∠ J  (both are 45)

So, Triangle GEF and Triangle HKJ are congruent triangles by AAA congruency.

Now in triangle GEF,

cos 45 = 3a/6

1/√2 = a/2

a = √2

Thus, the given triangles are congruent by AAA . and the value of a = √2.

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The complete question is -

Given right triangles EFG and HJK. find the value of a that satisfies the congruency of the triangles. in two or more complete sentences, explain the relevance between the congruency of the triangles and the calculations made in finding the value of a.

Statement                                     Reason

∠1 = ∠2, WX = ZY                            Given

WP = ZP                                         converse of isosceles triangle  theorem

△WXP ≅ △ZYP                              SAS

XP = YP                                           CPCT

∠3 = ∠4                                          Isosceles triangle  teorem

What is the isosceles triangle?

A triangle's corresponding angles are congruent if its two sides are.

Given that ∠1 = ∠2, WX = ZY.

Statement 1 is given.

According to the converse of the isosceles triangle theorem:

WP = ZP  

SAS rule: If the two sides and an included angle of one triangle match the two sides and an included angle of the other, then two triangles are said to be congruent. This is referred to as SAS congruency.

In triangles △WXP and △ZYP:

∠1 = ∠2

WX = ZY.

WP = ZP

According to SAS rule,  △WXP ≅ △ZYP

By CPCT, XP = YP

Again the isosceles triangle theorem ∠3 = ∠4.

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Answer:

9

Step-by-step explanation:

the square of 3 is 9

3 + 3 + 3 = 9

Answer:

[tex]a=5.1[/tex]

Step-by-step explanation:

[tex]2.4x-1.2x-3.9y+ay=1.2x+y(a-3.9) \\ \\ \implies 1.2=a-3.9 \implies a=5.1[/tex]

Step-by-step explanation:

fill the data in the expression

(14)-7+5(4)

27

Answer:

Step-by-step explanation:

Write k for the divisor.

Write the coefficients of the dividend.

Bring the leading coefficient down.

Multiply the leading coefficient by k.

Add the terms of the second column.

Multiply the result by k.

Repeat steps 5 and 6 for the remaining columns.

System sequence diagram is the best model to use to document the inputs and the outputs to a system.

In the realm of software engineering, a sequence diagram, also known as a system sequence diagram (SSD), depicts process interactions grouped in chronological order. It illustrates the processes involved and the order in which messages must be exchanged for the processes to provide the functionality. In the 4+1 architectural perspective model of the system under development, sequence diagrams are often connected to use case realizations. Event diagrams and event scenarios are other names for sequence diagrams.

The diagrams display the events that external actors produce, their order, and any potential inter-system events for a given scenario of a use case. [1] The diagram emphasizes events that cross the system boundary from actors to systems and treats all systems as black boxes. The main success scenario of the use case, as well as frequent or complex alternate situations, should be represented using a system sequence diagram.

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Answer:

y = 23x - 43

Step-by-step explanation:

y - 9 = 23 (x + 7)

y - 9 = 23x + 161

y = 23x + 170

y = 23x + b

3 = 23(2) + b

3 = 46 + b

y = -43

y = 23x - 43

Answer:

3/2

Step-by-step explanation:

7 x 3/14 can be simplified to 21/14, which is written in simplest form as 3/2.

Hope can help :)

The simplest form of the fraction of the expression is 3/2.

We have,

The expression:

7 x 3/14

Now,

14 is a multiple of 7.

i.e

7 x 2 = 14

So,

7 x 3/(7 x 2)

7 gets canceled.

= 3/2

Thus,

The simplest form of the fraction of the expression is 3/2.

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Answer: The best I could come up with is √65, −√65 or, 1, you pick!

(Decimal: 8.06225774…, −8.06225774…)

Step-by-step explanation:

Rewrite the equation as

x^2 = 8^2 + 1^2.

One to any power is one.

x^2 = 8^2 + 1

Take the specified root of both sides of the equation to eliminate the exponent on the left side.

x = ± √8^2 + 1

x = ± √64 + 1

Add 64 and 1.

x = ± √65

The complete solution is the result of both the positive and negative portions of the solution.

First, use the positive value of the ± to find the first solution.

x = √65

Next, use the negative value of the ± to find the second solution.

x = −√65

The complete solution is the result of both the positive and negative portions of the solution.

x = √65, −√65

The result can be shown in multiple forms.

Exact Form:

x = √65, −√65

Decimal Form:

x = 8.06225774..., −8.06225774…

Answer:

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

Given a right triangle with the missing hypotenuse.

Use Pythagorean to find the missing side:

Answer:

d= Deondre's age

d + 3

c = the number of people in the class

1/2c

w = wildcat's score

a = away team's score

w = 2a + 7

c = cost of the sweater

s = the regular cost of the sweater

c = 1/2s

y = total in the bank

x = number of weeks

y = 75x + 300

y = altitude

x = number of minutes

y = 200x + 1000

Step-by-step explanation:

The total distance travelled covered by the Daren is greater than that of  Umberto.

Distance travelled is the product of speed of the body and the time for which it moved. Mathematically -

Distance = Speed x Time

Given is that Daren can run 8.55 kilometers in one hour. Umberto can run 9.5 kilometers in one hour. Now, Daren plans to run for 3.5 hours and Umberto plans to run for 3 hours.

Total distance travelled by Daren is -

d₁ = 8.55 x 3.5

d₁ = 29.925 Km

Total distance travelled by Umberto is -

d₂ = 9.5 x 3

d₂ = 28.5 Km

It can be seen that -

d₁ > d₂

Therefore, the total distance travelled covered by the Daren is greater than that of  Umberto.

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Answer:

2004 to 2012

Step-by-step explanation:

1.
In the triangle that contains x (call the other 2 angles as a and b, where a is the angle that is supplemetary to the center angle.)

a = 180 - 110 = 70 (supplemetary angles add up to 180)

b = 30 (b and the angle measures 30 are in the same segment.)

-> x = 180 - 70 - 30 = 80.

2. In triangle PRT, v = 180 - 40 - 70 = 70.

Since P,Q,S,T all lies on the circumference, PQST is a cyclic quadrilateral.

-> w = 180 - PQS = 180 - (180 - 70) = 70.

3.
i) A 1:2 scale means that all sides of P must be shortened by twice the lengths.

Since D is the only shape with the sides shortened from P, it's the correct option.

ii) A 1:1/2 scale means that all sides of P must be enlarged by twice the lengths.

Therefore, the measures of the sides become sqrt(20),6,4,6 (clockwise from diagonal), which is B.

4. Using the Pythagoras' theorem, we can find the hypotenuse PR : [tex]\sqrt{12^{2} + 5^{2} } = 13[/tex]

sin(x) = QP/PR = 5/13 = 0.385 (rounded to 3 d.p)
tan(y) = QP/QR = 5/12 = 0.417 (rounded to 3 d.p)

The algebraic expression -

{ (4x² - 9y²)³ + (9y² - 16y²)³ + (16z² - 4x²)³ } / { (2x - 3y)³ + (3y - 4z)³ + (4z - 2x)³ } is simplified to give

The given algebraic expression is in fraction and we solve by breaking the fraction in to two: numerator and denominator and solve separately then bring them together.

The numerator

= (4x² - 9y²)³ + (9y² - 16y²)³ + (16z² - 4x²)³

bringing the powers together

= (4x² - 9y² + 9y² - 16y² + 16z² - 4x²)³

collecting like terms together

= (4x² - 4x² - 9y² + 9y² - 16y² + 16z² )³

= (0x² - 16y² + 16z² )³

= (16y² + 16z² )³

The denominator

= (2x - 3y)³ + (3y - 4z)³ + (4z - 2x)³

bringing the powers together

= (2x - 3y + 3y - 4z + 4z - 2x)³

collecting like terms

= (2x - 2x - 3y + 3y - 4z + 4z )³

= (0x - 0y - 0z )³

= 0

with a denominator of zero the solution is undefined, this may mean infinite many solutions

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The numerator is 3 and the denominator is 5. IN order to determine the reciprocal 4 becomes the denominator and 5 becomes the numerator. The reciprocal is 5/4.

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Answer:

See answer below

Step-by-step explanation:

See drawing I made: