Write an equation in point-slope form

Answer:2

Step-by-step explanation:

Answer:

60,000

Step-by-step explanation:

going straight across the line we can see that for $140 the demand in thousands 60

so

you can buy 60,000 units

Answer:

60 because oficial the line goes to 60

The length of the base will be equal to 65.99 centimeters.

Pythagorean theorem states that in the right angle triangle the hypotenuse square is equal to the square of the sum of the other two sides. According to this statement, the areas of the squares on the other two sides add up to the size of the square whose side is the hypotenuse.

The formula for the Pythagorean theorem is given below:-

H² = B² + P²

Given that in a right triangle if the hypotenuse is 70 cm and the shorter leg is one-third the length of the longer leg.

P = 70/ 3 cm

H = 70 cm

The value of the leg will be calculated as:-

H² = B² + P²

70² = B² + (70/3)²

B² = 70² -  (70/3)²

B = √4355

B = 65.99 cm

Therefore, the length of the base will be equal to 65.99 centimeters.

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The function that Ngozi's salary s(t) in dollars, t years after she starts to work as an interpreter is given by [tex]S = 24000 * (1.035)^t[/tex].

What is a function?

You can use the fact that the raise is done on the previous year's salary.

Let the initial salary be P = $24000

After 1 year, her salary increased by R = 3.5% which, thus,

Total salary = P + increment

Similarly going on, we get

[tex]P_t = P(1+ \frac{R}{100})^t = S[/tex] (we can say)

Putting values of P(value of P) and R(value of R), we get

[tex]S = 24000(1 + 0.035)^t = 24000 *(1.035)^t[/tex]

Thus,

The function that Ngozi's salary s(t) in dollars, t years after she starts to work as an interpreter is given by

[tex]S = 24000 * (1.035)^t[/tex]

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Step-by-step explanation:

just draw what I have done

Answer:

see image.

Step-by-step explanation:

Basically, what's happening here is you are adjusting one of the terms so that they both have the same exponent. Then you can factor out that 10^11 term and just add the two remaining terms.

see image.

Answer:

Step-by-step explanation:

3 3/4 = 15/4

15/4 divided by 3/4 = 5

Answer:

they should produce 225 software programs and 225 video games per week.

Step-by-step explanation:

limit 450

there are 2 factors the software and video games.

450•2= 225

Answer:

Step-by-step explanation:

if we consider mod then the negative turns to positive and positive remains positive so it will be

279 < 282 which is l279l < l-282l

$72 is 4.5% of 6.25 amount. 6.25 Percentage of  72 is 4.5.

By considering the given information

[tex]72\times x=4.5\\x=\frac{4.5}{72}\times 100\\ x=6.25[/tex]

A number or ratio that can be expressed as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The percentage therefore refers to a part per hundred. Per 100 is what the word percent means. The letter "%" stands for it. percent, which is a relative value used to denote hundredths of any quantity. Since one percent (symbolized as 1%) is equal to one hundredth of something, 100 percent stands for everything, and 200 percent refers to twice the amount specified.

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$72 is 4.5% = $3.24

Solution :

The percentage is a rate or proportion per hundred,

The percentage is also used more generally to mean any proportion, as in Studies have shown that a large percentage of people love cute animals.

A percent is one one-hundredth (1/100) of something. The percentage refers to the rate or proportion of that one hundred. Usually, you will see the word percentage used in math equations or statistics or when someone is measuring the increase and decrease in rates

$72 is 4.5% =?

$72  is 10% = $7.2

$72 is 5% = $7.2 /2 = $3.6

$72 is 1/2%= $72 * .5/100 = $.72*.5 = $ 0.36

$72 is 4.5% = 5% - .5% = $3.6- $.36 = $3.24

$72 is 4.5% = $3.24

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The simplified form of the expression (2⁴)⁻¹ is 1/2⁴ (one over two raised to the power of four).

The integers exponents are the exponents that should be an integer. It can be either a positive integer or a negative integer. In this, the positive integer exponents describe how many times the base number should be multiplied by itself.

An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

It is given that the expression is (2⁴)⁻¹

Now,

using the integer exponent properties,

=> (2⁴)⁻¹  

=> (2)⁴* ⁻¹

=> (2)⁻⁴

=> 1/2⁴

Therefore, the answer is 1/2⁴ (one over two raised to the power of four) derived using the properties of integer exponents.

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Answer:

positive the answer is 3

Step-by-step explanation:

Answer:

26.2

Step-by-step explanation:

7 + (2x3) 5-6 (9/5)

7 + 6*5-6*1.8

7 + 30-10.8

37 - 10.8

26.2

Lindsay Bedford should embroider 73 caps.

Let us assume the number of number of caps needed to be embroidered for desired earning be x. Now, forming the equation to solve for x, thus, finding the required number of caps.

Equation -

6.50*8 + 0.45*x = 85

Now solving this equation for the value of x.

Performing multiplication of numbers on Left Hand Side

52 + 0.45x = 85

Shifting the product from Left Hand Side to Right Hand Side

0.45x = 85 - 52

Performing subtraction on  Right Hand Side to find the value of x

0.45x = 33

Shifting 0.45 to denominator on  Right Hand Side

x = 33÷0.45

Performing division to find the value of x

x = 73.3

The number of caps can not be in fraction. So, we will round off the digit to find exact number of caps.

Number of caps = 73

Therefore, Lindsay Bedford needs to embroider 73 caps.

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The complete question is -

Lindsay Bedford works at a baseball cap shop. She is paid $6.50 per hour plus $0.45 for each cap she embroiders. How many caps must she embroider to earn at least $85 in an 8-hour day?

The measure of the speed during the time is 63. 64 miles per hour

The formula for speed is expressed as;

Speed = distance/ time

Given that;

Let's convert the time in minutes to hour

60 minutes = 1 hour

20 minutes = x hour

cross multiply

x = 20/ 60

x = 0. 33 hours

Substitute the values

Speed = 21/ 0. 33

Speed = 63. 64 miles per hour

Thus, the measure of the speed during the time is 63. 64 miles per hour

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Answer: the second one

Step-by-step explanation:

The inequality that represents buying n notebook with a calculator and a maximum amount of $37 to spend:

37 ≥ 2n + 24

Option D is the correct answer.

It is a statement of an ordered relationship

- greater than,

- greater than or equal to,

- less than,

- less than or equal to between two numbers or algebraic expressions.

We have,

Cost of the calculator = $24

Cost of a notebook = $2

Total amount to spend = $37

Number of notebooks = n

The inequality that represents buying n notebook with a calculator and a maximum amount of $37 to spend:

37 ≥ 24 + 2n

The number of possible notebooks to buy:

37  24 + 2n

37 - 24 ≥ 2n

13 ≥ 2n

13/2 ≥ n

6.5 ≥ n

The number of notebooks can be 6 or fewer.

Thus,

The inequality that represents buying n notebook with a calculator and a maximum amount of $37 to spend:

37 ≥ 2n + 24

Option D is the correct answer.

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Except for x = 3, the set of x values for that y will become a real number as per Y=8/x-3 contains all real numbers.

A real number is any number which can be found with in real world. Numbers can be found all around us.

Now according to the question;

In actuality, the expression Y=8/x-3 stops producing a real numerical value for y when the denominator has become zero.

When the denominator is zero, the y value is undefined and thus not a real number.

As a result, if we set;

x - 3 = 0

x = 3

Therefore, except for x = 3, the set of x values for which y is a real number per the Y=8/x-3 includes all real numbers.

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The complete question is-

Y=8/x-3

Identify the set of values x for which y will be a real number

Answer:

40.5

Step-by-step explanation:

Answer:

8 nickels and 14 pennies

Step-by-step explanation:

Let p = number of pennies

Let n = number of nickels

p + n = 22             .01p + .05n =.54

Take the second equation and multiple it through by 100 to clear the decimals.

100(.01p + .05n( = .54(100)

p + 5 n = 54  Multiply this through by -1 so that I can add it to the first equation.

-p  -5n = -54

p + n = 22   Add these together

    -4n = -32  Divide both sides by -4

n = 8  We have solved for n.  We have 8 nickels.

Plug 8 in for n in the first equation and solve for p.

p + n = 22

p + 8 = 22  Subtract both sides by 8

p  = 14  There are 14 pennies.

Check:

p + n = 22

14 + 8 = 22

22 = 22  Checks

.01p + .05n = .54

.01(14) + .05(8) = .54

.14 + .40 .54

.54 .54 check

Answer:

10

Step-by-step explanation:

(21-1)/2

By using Heron's formula and standard formula for the area of a triangle, the area of the composite figure is 921006.497 square meters.

In this problem we must determine the area of a composite figure, which consists in subtracting the area of an isosceles triangle from the area of the equilateral triangle:

Big triangle

The area of the big triangle is determined by Heron's formula:

s = [3 · (520 m)] / 2

s = 780 m

A = √[(780 m) · (1560 m - 520 m)³]

A ≈936693.077 m²

Small triangle

H = (520 m) · sin 60°

H ≈ 450.333 m

h = 450.333 m - 390 m

h = 60.333 m

A = 0.5 · (520 m) · (60.333 m)

A = 15686.580 m²

Then, the area of the composite figure is 921006.497 square meters.

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The trigonometric function that can be used to find the value of x is 12 / tan ( 25 ) . The correct values of a and b will be 12 and 25 resp . .

Given :

A right angle triangle , one angle = 25 ° and side opposite given angle = 12 units .

Trigonometric Formula for Tan θ

tan θ = perpendicular / base , tan θ = ( sin θ / cos θ ) , tan θ = ( 1 / cot θ ) .

where θ = 25 , perpendicular = 12 , base = x .

Substituting values in above first formula ,

tan 25 = 12 / x

Therefore , x = 12 / tan ( 25 ) .

Hence , a = 12 and b = 25 .

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Solving for the variable gives f = 100 - 2h/5

Subject of formula can be defined as the variable that is expressed in terms of other variables in a given expression, function of equation.

It is the variable worked out in an equation and left to stand on its own on one side of the equality sign

Given the equation;

5f+2h = 100

To make 'f' the subject of formula, we take the following steps;

Take '2' over the equality sign

5f = 100 - 2h

Now, let's make 'f' the subject by dividing both sides by its coefficient which is 5

We have;

5f/5 = 100 - 2h/5

Divide through

f = 100 - 2h/5

Thus, solving for the variable gives f = 100 - 2h/5

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The vertex, focus and axis of symmetry of the given function are (3, 4), (3, 33/8) and 3 respectively.

The given quadratic function is f(x) = 2(x - 3)² + 4.

We need to find the key features of the given quadratic function.

A quadratic function is a polynomial function with one or more variables in which the highest exponent of the variable is two. Since the highest degree term in a quadratic function is of the second degree, therefore it is also called the polynomial of degree 2. A quadratic function has a minimum of one term which is of the second degree.

Now, the key features of the given quadratic function as follows:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Up

Vertex: (3, 4)

Focus: (3, 33/8)

Axis of Symmetry: x=3

Directrix: y=31/8

Plot these points (1, 12), (2, 6), (3, 4), (4, 6) and (5, 12) on the graph.

Therefore, the vertex, focus and axis of symmetry of the given function are (3, 4), (3, 33/8) and 3 respectively.

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Answer:

$8.60

Step-by-step explanation:

Let x = the tip

80 - x = 9(5.85 + 1.25) + 5(1.50)

80 -x = 63.90 + 7.5

80 - x = 71.40  Subtract 80 from both sides

-x = -8.60  Divide both sides by -1

x = 8.60

Answer:

4

Step-by-step explanation:

you do cross multiplication

you do 3x12÷9

The length with scale factor to form quadrilateral 1/2, A'B' is √5 units when AB is √20.

The formula to find the distance between the two points is usually given by

d=√((x2 – x1)² + (y2 – y1)²).

Given :

Quadrilateral ABCD is dilated at the center (0,0) with a scale factor of 1/2 to form quadrilateral A'B'C'D'.

Points - A(0,4), B(4,2), C(4,-4), and D(-2,-2).

So, the points of the quadrilateral ABCD becomes:

So,  length of A'B'

AB = √(4-0) ² +(2 -4)²

AB = √16 + 4

AB = √20

AB = 2√5

A'B' = 1/2 AB

A'B' = √5

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