I need some step to solve this please

Answer:

no your trail is not over

Hi!

The parrot starts off knowing 60 phrases at time 0.

This is the y intercept, it occurs at x = 0

A point is (x, y)

at 0, the line is equal to 60

the y intercept is (0, 60)

Each night, the parrot learns one bad phrase.  

Equation of a line given y intercept and slope is

y = mx + b

y (answer of equation)  = m (slope) x(input of equation) + b (y intercept)

Slope is 1 because every time a day passes, it learns a new phrase.

y = 1x + 60

y = x + 60

Hope this helps,

Jeron

The value of x for the given expression is,  x = 4 / (3√2 - √3).

What is solving an equation?

A General Rule for Equation Solving:

Simplify each side of the equation by removing parentheses and combining like terms.

To separate the variable term on one side of the equation, use addition or subtraction.

To find the variable, use division or multiplication.

Given;

√3x + 2 = 3√2x - 2

⇒

3√2x - √3x = 2 + 2

(3√2 - √3)x = 4

Divide both sides by 3√2 - √3

⇒  x = 4 / (3√2 - √3)

Hence, the value of x for the given expression is,  x = 4 / (3√2 - √3).

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Answer:

D

Step-by-step explanation:

if u calculate 20×0.4 it will give you 8

the 0 before 8 is insignificant

Answer:

B. 0.2

Step-by-step explanation:

(?) x 0.4 = .08

Reverse math

.08 divided by 0.4

Answer: -7

Step-by-step explanation:

First, simplify the equation and make y isolated.

4x + y = -7

y = -7 - 4x

Plug in 0 for x.

y = -7 - 4(0)

y = -7

The equation written in slope-intercept form withn a slope of -5 and a y-intercept of 5 is y = -5x + 5

intercept is a point on the y-axis, through which the slope of the line passes. It is the y-coordinate of a point where a straight line or a curve intersects the y-axis. This is represented when we write the equation for a line, y = mx+c, where m is slope and c is the y-intercept.

equation of straight line in slope intercept form is given as

y = mx + c

where m = slope and c = y-intercept

from the question, it means m = -5 and c = 5

substituting we have,

y = -5x + 5

In conclusion, the equation in slope-intercept form is y = -5x + 5

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Answer:

? = 9

Step-by-step explanation:

First, deduce the length top part of the left side.

8 - 6 = 2

So, we can now label that top part 2.

Finally, compare the ratios of the sides.

2 : 6 = 3 : ?

2 * (3/2) : 6 * (3/2) = 3 : ?

? = 6 * (3/2)

? = 9

Answer:

D

Step-by-step explanation:

the values in the table are linear and can be expressed in the form

y = mx + c

calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 2, - 11) and (x₂, y₂ ) = (4, 7) ← 2 ordered pairs from the table

m = [tex]\frac{7-(-11)}{4-(-2)}[/tex] = [tex]\frac{7+11}{4+2}[/tex] = [tex]\frac{18}{6}[/tex] = 3 , then

y = 3x + c ← is the partial equation

to find c substitute any ordered pair from the table into the partial equation

using (2, 1 ) , then

1 = 6 + c ⇒ c = 1 - 6 = - 5

the equation representing the values in the table is then

y = 3x - 5

She can spend a maximum of $2763.

Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression.

The credit card works as there can be a negative balance in the card. For example if Sally has a shortage of money and she is in need of some, she can take money from her credit card and then repay it later.

Sally already has $763 in her possession in this situation, and her credit card can only have a $2000 balance.

So Sally can spend $763 which she already has in her hand and then spend a maximum of $2000 using her credit card.

Given,

credit card limit = 2000

current balance = 763

2000+763=2763

So She can spend a maximum of $2763.

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Answer:

B

Step-by-step explanation:

Answer:

Step-by-step explanation:

The answer is B. 500 / 50 = 10

because the first place is the thousands place and the next is hundreds place and then the next is tens place and lastly the next is the ones places

its pretty much in order.

The required inequality that represents the given situation is 35+12C≥100.

In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to one another.

Both mathematical phrases, equations, and inequalities are created by connecting two expressions.

The equal sign (=) indicates that two expressions in an equation are believed to be equivalent.

The symbols >,<, ≥, ≤ or ≠ indicate that the two expressions in inequality are not always equal.

So, initial payment = $35

$12 in additional fees for each class

The minimum goal is $100.

There are C classes in total.

Minimum target: One-time starting charge + (Additional fee per class) x (Number of classes)

The scenario's inequality is as follows:

35  +  12C  ≥  100

Therefore, the required inequality that represents the given situation is 35+12C≥100.

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The required will the act be paid for their performance is $540,000.

In mathematics, a percentage is a number or ratio that can be communicated as a negligible portion of 100. In the event that we need to compute percent of a number, partition the number by the entire and duplicate by 100. Consequently, the rate implies, a section for every hundred

The total amount that should be paid is the sum of the single appearance fee, the 20% of ticket sales and the 10% of concession receipts.

We have,

single appearance = $250,000

sales =$1,250,000

concession receipts = $400,000

Total amount = single appearance + (10% of sales) + (10% ofconcession receipts)

Then,

Total amount = $250,000 + (20% x 1,250,000) + (10% x $400,000) = $540,000

Thus, required total amount is  $540,000.

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The answer for this equation is true.

Putting x=-4 and y=-1,

12(-4) + 9(-1) = -48-9= -57 which is smaller than 1.

What is an equation?

In mathematics, an equation is a formula that expresses equality by connecting two expressions with an equal sign. Equations and their cousins ​​in other languages ​​may have subtly different meanings. For example, in French an equation is defined as containing one or more variables, whereas in English any well-formed expression consisting of two expressions joined by an equal sign is an equation.

To solve an equation involving variables, it is necessary to determine which values ​​of the variables make the equation true. The variables for which the equation must be solved are also called unknowns, and the values ​​of the unknowns that satisfy the equation are called the solution of the equation. There are two types of equations: identities and constraints. The ID applies to all values ​​of the variable. Constraint expressions apply only to specific values ​​of variables.

Therefore, The answer for this equation is true.

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Answer:

Below

Step-by-step explanation:

The original amount    + interest

              1277           +   1277 * .04 * 3         = 1430.24 dollars

A number which represents the location of the snail in feet is 1/2 feet.

In Mathematics, a number line can be defined as a type of graph with a graduated straight line which comprises both positive and negative numbers that are placed at equal intervals along its length.

This ultimately implies that, a number line primarily increases in numerical value towards the right from zero (0) and decreases in numerical value towards the left from zero (0).

Note: The opposite of a given number on a number line is the number on the other side of zero (0) and the same distance from zero (0).

Based on the information provided above, we can reasonably infer and logically deduce that the snail is located at the opposite of -1/2 foot on the number line. Therefore, the opposite of -1/2 foot would be 1/2 foot.

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The equation will be written as (42/2) = 21.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the quotient of a number, 2, and 21 is 42. The equation of the quotient will be written as,

42 / 2 = 21

Here the value 42 when divided by 2 will give 21.

Therefore, the equation will be written as (42/2) = 21.

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Answer:

162 units³

Step-by-step explanation:

Original solid:

V = 6 units³

SA = 22 units²

Dilated solid:

V = ?

SA = 198 units²

The ratio of the areas is 198/22 = 9

The ratio of the area is the square of the scale factor.

The scale factor is:

scale factor = √9 = 3

The ratio of the volumes is the cube of the scale factor.

ratio of volumes = 3³ = 27

The dilated volume is:

6 × 27 = 162 units³

Answer: 162 units³

Answer:

Step-by-step explanation:

a.) The population is years measured after 2000 so 2000 is 0. Any number to the 0 power is 1 so the population is 23.1 (million).

28.3 = [tex]23.1e^{0.0152t}[/tex]

1.22510823 ≈ [tex]e^{0.0152t}[/tex]

ln 1.22510823 ≈ 0.0152t

t≈13.4 million

Answer:

0.5

Step-by-step explanation:

-1+3(10-12)^3/-16

-1+3(-2)^3/-16

-1+(-24)/-16

.5

The percentage of the blue blanket will be 25%.

The percentage is defined as representing any number with respect to 100. It is denoted by the sign %. The percentage stands for "out of 100." Imagine any measurement or object being divided into 100 equal bits.

Given that a bin at a department store contains blue and red blankets. The ratio of blue blankets to red blankets is 4 to 1.

The percentage of the blue blanket will be calculated as,

Percentage = 1 / 4

Percentage = 0.25

Percentage = 0.25 x 100 = 25%

Therefore, the percentage of the blue blanket will be 25%.

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You plant a tree in early spring. When you planted a tree it was 2 feet tall. The tree grows at a constant rate. Every year it grows ⅔ feet.

The spring season is the season of the year that occurs between winter and summer which is characterized by a gradual increase in temperature.

From the graph given in the diagram above, the X axis represents the number of years while the y axis represents the height of the trees in feet.

From the table, when X is 0; Y is 2. This means that when the tree was planted, it was 2 feet tall.

Also from the table, if after every 3 years the tree = 4 feet which is 2 feet difference from start. It then means that each year would be ;

3 years = 2 feet

1 year = 2/3 feet

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Answer:

OB

Step-by-step explanation:

The slopes are not changed.

See the picture of the 2 graphs.  The slopes are the same,, but the y intercepts are different, so the lines are parallel.

Answer:

-3

Step-by-step explanation:

3 times negative 1 is -3 since a positive times a negative is a negative

hopes this helps

Answer: 41.8

Step-by-step explanation:

38 x 0.10 = 3.8

3.8 + 38 = 41.8

41.8

Numbers when multiplied equal -120, added/subtracted gives 7 .

What is quadratic formula?

The quadratic formula in elementary algebra is a formula that yields the answer to a quadratic problem. In addition to the quadratic formula, additional methods of solving quadratic equations include factoring, completing the square, graphing, and others.

Two equations

x y = 7

x + y = 7

solving for one variable

y = 7/x

applying the one variable

x + 7/x = 7

multiplying both sides by x

x^2 + 7 = 7x

rewriting to a quadratic equation

x^2 - 7x + 7 = 0

applying the quadratic formula

x = 1/2 (7 + square root 21) and y = 1/2 (7 - square root 21)

approximate answer

x ~ 5.79129 and y ~ 1.20871

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Answer: 12/15

Step-by-step explanation:

The value of m∠T in the triangle is 65°

The congruence of any two figures is generally understood as two figures which can perfectly overlap each other. Congruent triangles are triangles that are perfect copies of one another.

Given: ΔABC and ΔRST

If the two triangles ABC and RST are arranged, two angles and a side of one are respectively equal to two angles and the corresponding side of the other (AAS). Thus, the triangles are congruent. This implies:

∠A = ∠R, ∠B = ∠S,  |AB| = |RS| .Also, ∠C = ∠T, |AC| = |RT| and |BC| = |ST|

Thus, <R = 41°, ∠S =  74°,

<R + ∠S + ∠T  =  180° (Sum of angle in a triangle)

41 +  74 + ∠T  =  180

115 + ∠T  =  180

∠T  =  180 - 115

∠T = 65°

Therefore, m∠T = 65°

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The angle x of the triangle is 68 degrees and the side y is 7.5 units.

The triangle ABC is a right angle triangle because it has one angle as 90 degrees. The sum of the angles in the triangle is 180 degrees.

The angle ECD is congruent to angle ACB(vertically opposite angles).

Therefore,

∠ECD ≅ ∠ACB

Hence,

x = 180 - 90 - 22

x = 68 degrees.

using trigonometric ratios, let's find y

cos 22 = adjacent / hypotenuse

sin 22 = 2y - 1 / 15

cross multiply

15 cos 22 = 2y - 1

2y - 1 = 13.9077578185

2y = 13.9077578185 + 1

2y = 14.9077578185

divide both sides by 2

y = 14.9077578185 / 2

y = 7.45387890925

Therefore,

y = 7.5 units

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The inequality that represents Charlotte having money left over after buying the ticket. is

8m + 20 < 68

Inequality is a means of representing the relationship existing between the left hand side and right hand side of equations, using other terms aside exactly using only "equal to"

Having left over means that the the cost of the ticket should be less than the amount Charlotte has

Therefore, 8m + 20 should be less than 68 and this represented by

8m + 20 < 68

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