What are the types of multiplication method?.

Answer:

[tex]\boxed{-2x^2 -2x +24\\}\\\\[/tex]

Step-by-step explanation:

The standard form of a quadratic function is:

[tex]y = ax^2 + bx + c\\[/tex]

where a, b and c are constants

 [tex]\textrm{The given expression is $y=-2\left(x-3\right)\left(x+4\right)$}[/tex]

Expand the right side of this expression
[tex]-2\left(x-3\right)\left(x+4\right)[/tex]

First expand (x-3)(x+4) using the FOIL method:

[tex](x-3)(x+4)[/tex]

[tex]=x\cdot x+x\cdot \:4-3x-3\cdot \:4\\\\= x^2+x-12[/tex]

[tex]-2\left(x-3\right)\left(x+4\right)\\\\= -2(x^2+x-12)\\\\= \boxed{-2x^2 -2x +24\\}\\\\[/tex]

ANSWER

The equation y=3x+5 depicts a straight line with a slope of -3 and a y-intercept of 5, and it is written in slope intercept form. Replace x with any number and solve for y to find ordered pairings that can be graphed.

Write the equation in the form y = mx + b to determine the slope m and the y-intercept. This will allow you to graph the equation using the slope and y-intercept (0, b). Plot the y-intercept next. 3) Depending on whether the slope is positive or negative, go up, down, or left or right from the y-intercept.

You must choose x-values and insert them into the equation in order to graph a function. You will obtain a y-value if you enter those values into the equation. Your coordinates for a single point are made up of your x-values and your y-values.

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Full Question = What kind of line does the linear inequality y=3x+5 represent?

Answer:

it's a little blurry but i think the slope is 2/3 and the y-intercept is -2

Step-by-step explanation:

Answer:

a.   [tex]62^{\frac{1}{3}} = \sqrt[3]{62}[/tex]

b.   [tex]220^{\frac{1}{2} = \sqrt{220}[/tex]

a. [tex]\sqrt[3]{240} = 240^{\frac{1}{3}}[/tex]

b. [tex]\sqrt{5} = 5^{\frac{1}{2}}[/tex]

Step-by-step explanation:

3x° - 3° = 2x° + 13°

They are vertically opposite angle...

3x° - 2x° = 13° + 3°

1x = 16°

x = 16°

hence...the value of x is 16°

Examples of perfect trinomials are-

x 2 + y 2 + XY,

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Answer:

 14 boys

Step-by-step explanation:

We know

The ratio of girls to boys is 5:2, which means for every 7 kids, there are 5 girls and 2 boys

So, 49 kids there are

2 x 7 = 14 boys

So, there are 14 boys

Answer:

26. Scale Factor of A to B:    [tex]\boxed{\dfrac{3}{4}}[/tex]

27. Scale factor of B to A:  [tex]\boxed{\dfrac{4}{3}}[/tex]

Step-by-step explanation:

If two triangles are similar, the ratios of the side length to the corresponding side length  of the other must be the same for all sides

The first challenge is to figure out which side of triangle A corresponds to which side of triangle B

If you flip triangle A counterclockwise by 90° the angles will be aligned with each other and it is easier to see the corresponding sides of A and B

We see that ....

side length 24 of A matches with side length 18 of B

side length 36 of A matches with side length 27 of B

side length 32 of A matches with side length 24 of B

B is of smaller size than A so the scale factor of A to B is less than 1

26.

Therefore the scale factor of A to B is

[tex]\dfrac{18}{24} = \dfrac{27}{36} =\dfrac{24}{32}\\\\\\\dfrac{18}{24}= \dfrac{3}{4} \cdots \textrm { by dividing numerator and denominator by 6}[/tex]

[tex]\dfrac{27}{36} = \dfrac{3}{4} \cdots \textrm { by dividing numerator and denominator by 9}\\\\\\\dfrac{24}{32} = \dfrac{3}{4} \cdots \textrm { by dividing numerator and denominator by 8}\\\\\\[/tex]

So the scale factor of Figure A to Figure B is [tex]\dfrac{3}{4}[/tex]

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

27.

The scale factor of Figure B to Figure A is the reciprocal of
[tex]\dfrac{3}{4}[/tex]

Reciprocal of
[tex]\dfrac{3}{4} \; is \; \dfrac{4}{3}[/tex]

So scale factor of B to A is

[tex]\dfrac{4}{3}[/tex]

The 3-Systems of Equations Calculator is an online tool that provides the answer for the unknown variables after solving three equations with three different variables each utilizing a different approach.

To resolve equations involving the three variables x, y, and z, use the 3 systems of equations calculator. A group of three equations with three variables make up the three systems of equations. Three equations are entered, the equations are rearranged, and the values of x, y, and z are solved for.

This calculator can also calculate equations of the second and third degree, which result in complex solutions for the variables x, y, and z. Three actual solutions are provided by the calculator if the equation system is linear.

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The measure of ∠V of the parallelogram is = 150.5°

A parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure

The four types are parallelograms, squares, rectangles, and rhombuses

Properties of Parallelogram

Opposite sides are parallel

Opposite sides are congruent

Opposite angles are congruent.

Same-Side interior angles (consecutive angles) are supplementary

Each diagonal of a parallelogram separates it into two congruent triangles

The diagonals of a parallelogram bisect each other

Given data ,

Let the measure of the angle ∠Y = 10x + 27

Let the measure of the angle ∠W = 2x + 29

Now , for a parallelogram the opposite sides are congruent and opposite angles are congruent

Substituting the values in the equation , we get

10x + 27 = 2x + 29

Subtracting 2x on both sides of the equation , we get

8x + 27 = 29

Subtracting 27 on both sides of the equation , we get

8x = 2

Divide by 8 on both sides of the equation , we get

x = 1/4

Let the measure of the angle ∠Y = 10 ( 1/4 ) + 27

Let the measure of the angle ∠Y = 2.5 + 27

Let the measure of the angle ∠Y = 29.5°

Now , same-side interior angles (consecutive angles) are supplementary

Substituting the values in the equation , we get

angle ∠Y + angle ∠V = 180°

29.5° + m∠V = 180°

Subtracting 29.5 on both sides of the equation , we get

m∠V = 150.5°

Hence , the measure of m∠V = 150.5°

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Answer:

Nick is 6 years old.

Erica is 18 years old.

Step-by-step explanation:

Hello!

We know that Erica is 12 years older than Nick, which also means she is 3 times older than Nick. We can represent this situation as two equations.

Let E be Erica's age, and x be Nick's age.

E = x + 12, and E = x* 3

Since E is equal to E, we can say that x + 12 = 3x.

The value of x is 6. Nick is 6 years old, and Erica is 18 years old.

There are 60 pupils who don't read novels but read comic books, since there are twice as many students who do.

When two algebraic expressions have at least one unknown or variable, they are equal.

If they are novels and comic books:

           novels

                   yes                no

comics

         yes     30                 2x

         no       x                  10

Since there are no other alternatives, the matrix's total number of digits must be 130.

30 + 2x + x + 10 = 130

Since x = 30 and 3x + 40 = 130,

The percentage of students that don't read comic books is x.

There are 60 pupils who don't read novels but read comic books, since there are twice as many students who do.

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Answer:

Let's say Hamid's normal weight is x.

88kg = 110%x

88kg=11/10x

Divide by 11 on each side

8kg=1/10x

Multiply by 10 on each side

80kg=x

Hamid's normal weight is 80kg

Each phrase has a value, Lola is right. Because each equation has a value of 1, Lola is right.

These two phrases, according to Lola, have the same value.

Equivalent expressions are those that have the same value. In mathematics, equivalent numbers and statements frequently appear. Let's think about a few instances. Since the decimal numbers 0.5 and the fraction 1/2 have the same value, they are comparable numbers.

[a/b -] Expression A Expression B

0 [ a/b 0]-4 Which clarifies if Lola is right.

Because each phrase has a value, Lola is right. Because each equation has a value of 1, Lola is right.

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Complete question

Lola says these two expressions have the same value.

Expression A

Expression B

Left-bracket (StartFraction an Over b EndFraction) Superscript negative 4 Baseline Right-bracket Superscript 0

Left-bracket (StartFraction a Over b EndFraction) Superscript 0 Baseline Right-bracket Superscript negative 4

Which explains whether Lola is correct?

Lola is correct because each expression has a value of 0.

Lola is correct because each expression has a value of 1.

Lola is not correct because the value of expression A is 1 and the value of expression B is (StartFraction b Over a EndFraction) Superscript 4.

Lola is not correct because the value of expression A is (StartFraction b Over a EndFraction) Superscript 4 and the value of expression B is 1.

The two bikers are 11.18 miles apart from each other according o the coordinate plane.

A surface with two dimensions made of two number lines is referred to as a coordinate plane. When the origin, the place where the X- and Y-axes intersect, is reached, it is produced. A coordinate grid's numbers are used to find points. For graphing points, lines, and many other things, a coordinate plane is helpful. It functions as a map and gives precise directions on how to get from one place to another.

Distance between two coordinates is given by

d = [tex]\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Here, (x₁, y₁) is (5, 4) and (x₂, y₂) is (3,-7)

Putting the values in formula

d = [tex]\sqrt{(3-5)^2+(-7-4)^2}[/tex]

d = [tex]5\sqrt{5}[/tex]

d = 11.18 miles

Thus, The two bikers are 11.18 miles apart from each other according o the coordinate plane.

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They will win 100 games if the team rate continues through a 148-game season.

We will solve our question with the help of the Multiplication rule.

As per the question, the baseball team has won 25 games and lost 12 games. This will give us a total of 25+12= 37 games.

It is given that if the baseball team rate continues through a 148-game season which is 37*4 = 148 games.

So, we should multiply our initial won matches by 4 to get the final won matches as per the given condition, we will get:

25*4 = 100 matches.

We can also find the answer by:

You would multiply 25 by 148 divided by 37 to determine the number of games won if you were comparing the 25 of the 37 games won to the total of 148 games played.

(148*25)/(25+12)

= 3700/37 = 100

Therefore if the baseball teams' rate continues through a 148-game season, then they will win 100 matches.

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Answer:

x=32°.

Step-by-step explanation:

Exterior angle add up to 360°

85°+71°+2x°+3x°+44°=360°

=2x°+3x°+200°=360°

=5x°=360°-200°

=5x°=160°

=5x/5=160/5

x =32°.

Answer:

length= 8x

width= x

perimeter of a rectangle= 2L+2W

=2(8x) + 2(x)

=16x + 2x

perimeter=18x

Step-by-step explanation:

He starts at 8000 gallons      when he adds 2000 gals it will overflow

120 gal go out each hour       225 gal goes in each hour     net : 105 gal per hour IN

105 x = 2000 gal

x = 19.048 hours until overflow      

1 pm + 19 .048 hours =  8.048 AM  = ~~8 :03 AM   Since he checks every hour, he will first see the overflow at   9:00 AM

The zeroes of the polynomial f(x) are 7, 6 and -1. The solution is obtained by the method of polynomial long division.

What is polynomial long division?

A long division polynomial is a formula for dividing one polynomial by another of the same degree or lower. The divisor, quotient, dividend, and remainder are all components of the long division of polynomials, just like they are for long division of numbers.

We are given f(7) = 0.

This means that (x-7) is one factor of f(x).

Using Polynomial Long Division,

Dividing :  x^3 -12x^2 + 29x + 42 ("Dividend")

By         :    x-7    ("Divisor")

Dividend     x^3  -  12x^2  +  29x  +  42

- divisor  * x2   x^3  -  7x^2        

Remainder      -  5x^2  +  29x  +  42

- divisor  * 5x     -  5x^2  +  35x    

Remainder             -       6x           +  42

- divisor  * (-6)            -       6x           +  42

Remainder                                  0

Quotient :  x^2-5x-6  

Remainder:  0

Now, factoring x^2-5x-6 , we get

⇒x^2-6x+x-6

⇒x(x-6)+1(x-6)

⇒(x+1)(x-6)

Thus, the factors are (x+1), (x-6) and (x-7).

Hence, the zeroes of the polynomial f(x) are 7, 6 and -1.

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The number of bags of pink beads that can be made from today's shipment is given as follows:

5 bags.

The number of bags is obtained applying the proportions in the context of this problem.

We have that each bag weights 1/10 of a pound.

The shipment was of 4/7 pounds of pink beads, hence the total number of bags of pink beads that can be made from today's shipment is calculated as follows:

4/7/(1/10) = 4 x 10/7 = 40/7 = 5.

(rounded down, as the number of bags is a countable amount).

The problem is given by the image presented at the end of the answer.

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The test had 30 number of problem worth 2 points and 8 number of problem worth 5 points

An equation consists of numbers and variables linked together by mathematical operations to form an expression.

Let x represent the number of 2 points and y represent the number of 5 points.

The number of 5 point problems is 22 less than the number of 2 point, hence:

y = x - 22

x - y = 22    (1)

Also, the test is worth 100 points, hence:

2x + 5y = 100    (2)

From both equations:

x = 30, y = 8

30 number of problem worth 2 points and 8 number of problem worth 5 points

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Answer:

R875

Step-by-step explanation:

We know

R35 = 1kg of breakfast cereal

? = 25kg of breakfast cereal

35 times 25 = R875

So, 25kg of breakfast cereal will cost R875.

The area of the shaded region is  h² +6h, 3x²- 3x  and r².

•The amount of space occupied by a flat (2-D) surface or an object's shape is known as its area. Draw a square on a piece of paper using a pencil. A 2-D figure, that is. The term "Area" refers to the area that a shape occupies on paper.

•The surface area of a specific 2-D shape is measured as the number of unit squares needed to cover its whole surface area.

•Area measurements are frequently expressed in square cm², square feet, square inches, square meters, etc. Draw unit squares with sides of 1 centimeter to determine the area of the square figures shown below. In order to measure the shape, we shall use the unit cm² or square centimeters.

1st figure

area of shaded region = outer rectangle - inner rectangle

= 3h(h+2) - 2h(h)

= 3h² +6h- 2h²

= h² +6h

area of shaded region = outer rectangle - inner rectangle

= 3x²- 3x

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Answer:

hey

Step-by-step explanation:

Y = [tex]4^{x}[/tex] + 64 = 5y - 1, x = (5y - 65)/16, and x = (20*[tex]4^{x}[/tex] - 260). Take the logarithm of both sides, apply the laws of logarithms, and solve for x.

A logarithm is a mathematical function for expressing the relationship between two integers. It is the exponent to which a base number must be increased in order to equal a particular number. The base-10 logarithm of 100, for example, is 2, because 10 to the power of 2 equals 100.

Let y = [tex]4^{x}[/tex]

[tex]16^{x}[/tex] + 64 = 5y - 1

[tex]16^{x}[/tex] = 5y - 65

Dividing both sides by 16

x = (5y - 65)/16

x = (5*[tex]4^{x}[/tex] - 65)/16

Substituting y = [tex]4^{x}[/tex]

x = (5*([tex]4^{x}[/tex]) - 65)/16

Simplifying,

x = (5*[tex]4^{x}[/tex] - 65)/16

x = (20*[tex]4^{x}[/tex] - 260)/16

Divide both sides by 20

x = ([tex]4^{x}[/tex] - 13)/2

Take the logarithm of both sides:

log(x) = log([tex]4^{x}[/tex] - 13)/2

Apply the laws of logarithms:

log(x) = x*log(4) - log(13)/2

Solve for x:

x = (log(13)/2)/log(4) - log(x)/log(4)

x = (log(13)/2 - log(x))/log(4)

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Answer:

2 / 3/7

2/1 x 3/7

Cross Multiply

14/3

Answer:

y = -4x + 2

Step-by-step explanation:

y-6=-4x+4

y = -4x - 4 + 6

y = -4x + 2

Answer:wach the vido

Step-by-step explanation:

The mass when L = 0.6 is given as follows:

M = 68.57 kg.

The mass of the cube is modeled according to a proportional relationship, as follows:

M = kL.

In which k is the constant of proportionality.

The mass the cube is 40 kg when the length of its edge is 35 cm = 0.35 m, hence the constant is obtained as follows:

0.35k = 40

k = 40/0.35

k = 114.28.

Hence the mass when L is of 0.6 m is given as follows:

M = 114.28 x 0.6

M = 68.57 kg.

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