A plumbing company charges a $95 fee for each job, plus $65 foreach hour that the job lasts. The expression 65h + 95can be used to calculate the cost of a job in dollars, where hrepresents the number of hours the job takes to complete. Part A.What is the cost of a job that lasts 1.5 hours?​

Answer:

Volume = Length × Width × Height

Volume = 10 × 3 × 2

Volume = 60 cm

Answer:

4/5

Step-by-step explanation:

The value of f (4)(x) if f(x) = 7√xf(4)x= 7/2√x.

The derivative of f(x) = 7√x with respect to x, at x = 4, is f'(4)(x) = 7/2√x.

To calculate the derivative of a function, you can use the following formula: f'(x) = lim(h → 0) [f(x+h) - f(x)] / h.

For f'(4)(x), we take the limit of the function as h approaches 0. We will plug in 4 for x in the equation above.

Therefore, f'(4)(x) = lim(h → 0) [7√x+h - 7√x] / h

We can simplify this expression to 7/2√x. This is because the limit of the denominator, h, is 0, which causes it to be equal to 1. Thus, 7/2√x is the final answer.

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do you want an expression?

if so it would be T = 40 + 20h

t = total

h = hour(s)

The correct expression to represent total charge in h hours is,

⇒ y = 40 + 20h

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The repairman charged $40 dollars for the visit and then $20 every hour it took him to repair the stove.

Now, Let number of hours = h

Hence, We can formulate;

The total charge in h hours is,

⇒ y = 40 + 20h

Hence, The correct expression to represent total charge in h hours is,

⇒ y = 40 + 20h

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The number of ways to select 25 books from a collection of 27 books  is (f) 702.

To calculate the number of ways to select 25 books from a collection of 27 books use the concept of combinations. The formula for combinations is given by:

C(n, r) = n! / (r! × (n - r)!)

Where n is the total number of items, r is the number of items to be selected, and ! denotes the factorial operation.

n = 27 (the total number of books) and r = 25 (the number of books to be selected). Let's calculate the value:

C(27, 25) = 27! / (25! × (27 - 25)!)

= 27! / (25! × 2!)

= (27 × 26 ×25!) / (25! × 2)

= (27 × 26) / 2

= 702

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Answer:

Unique Solution.

No Solution.

Infinitely Many Solutions.

The dimensions of the rectangle are 10 feet (length) and 8 feet (width).

To find the dimensions of the rectangle with an area of 80 square feet and a width that is 2 feet less than the length,

follow these steps:

1. Let the length of the rectangle be L feet and the width be W feet.

2. According to the given information, W = L - 2.

3. The area of a rectangle is calculated by multiplying its length and width: Area = L × W.

4. Substitute the given area and the relationship between L and W into the equation: 80 = L × (L - 2).

5. Solve the quadratic equation: 80 = L² - 2L.

6. Rearrange the equation: L² - 2L - 80 = 0.

7. Factor the equation: (L - 10)(L + 8) = 0.

8. Solve for L: L = 10 or L = -8 (since the length cannot be negative, L = 10).

9. Substitute L back into the equation for W: W = 10 - 2 = 8.

So, the dimensions of the rectangle are 10 feet (length) and 8 feet (width).

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Applying one of the properties of a parallelogram, the value of x is 10°, then 6x=60° and 12x=120°.

There are different quadrilaterals, for example square, rectangle, rhombus, trapezoid, and parallelogram.  Each type is defined accordingly to its length of sides and angles. For example, a parallelogram presents some properties that are presented below.

The figure of the exercise shows two adjacent angles. From the property: the adjacent angles are supplementary, you have:

6x+12x=180

18x=180

x=10°

Therefore, 6x= 6*10=60° and 12x=12*10=120°.

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Answer:

be more specific

Step-by-step explanation:

Answer:

alright I see, so basically you can choose standard form or scientific notation and explain why or how it is a better way for you :)

Answer: the answe is not at all close to the actual Nobel rate.

Step-by-step explanation:

let's first off, convert the mixed fractions to improper fractions.

\(\stackrel{mixed}{8\frac{2}{5}}\implies \cfrac{8\cdot 5+2}{5}\implies \stackrel{improper}{\cfrac{42}{5}}~\hfill \stackrel{mixed}{6\frac{7}{10}} \implies \cfrac{6\cdot 10+7}{10} \implies \stackrel{improper}{\cfrac{67}{10}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{42}{5}-\cfrac{67}{10}\implies \cfrac{(2)42~~ - ~~(1)67}{\underset{\textit{using this LCD}}{10}}\implies \cfrac{84-67}{10}\implies \cfrac{17}{10}\implies 1\frac{7}{10}\)

Answer:

$15

Step-by-step explanation:

6 divided by 2 is 3

3 multiplied by 5 is 15

Answer:

y=x+2

Step-by-step explanation:

Brainliest?!?!?!

The equation for the given graph is y=0.8x+2.

The coordinate points from the given graph are (0, 2) and (2.5, 0).

The slope intercept form of a straight line is one of the most common forms used to represent the equation of a line. The slope intercept formula can be used to find the equation of a line when given the slope of the straight line and the y-intercept.

The slope from the given graph is, slope = Rise/Run

= 2/2.5

= 0.8

Put, m=0.8 and (0, 2) in y=mx+c

⇒ 2 = 0.8(0) + c

⇒ c = 2

So, the equation is y=0.8x+2

Therefore, the equation for the given graph is y=0.8x+2.

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The average rate change of over the interval [-1,1] is 2.

What is an interval?

In mathematics, an interval is expressed in numerical terms. All the numbers between two specific numbers are referred to as an interval. All actual numbers between those two are included in this range.

Given points on the graph is

x   -2     -1     0     1        

y   -4     -3     -1     3

The average rate of change of a function is defined by the expression over the interval a ≤ x ≤ b,

Average rate of change = [f(b) - f(a)]/(b - a)

Here a = -1, b = 1, f(a) = -3, and f(b) = 3

The average rate is (3 - (-3))/ (1 - (-1)) = 2

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Answer:

  A. 80 square feet

  B. four options are 8×10 ft, 10×8 ft, 5×16 ft, 7 1/2×10 2/3 ft

Step-by-step explanation:

The area of Jason's deck can be found using the formula for the area of a trapezoid. The dimensions of Sarah's deck can be found by considering the factors of the area of Jason's deck.

__

The area of a trapezoid is given by the formula ...

  A = 1/2(b1 +b2)h

where b1 and b2 are the base lengths, and h is the perpendicular distance between them. Here, we have b1 = 16 ft, b2 = 4 ft, h = 8 ft, so the area is ...

  A = 1/2(16 ft +4 ft)(8 ft) = 80 ft²

The area of Jason's deck is 80 square feet.

__

The integer factor pairs of 80 are ...

  80 = 1×80 = 2×40 = 4×20 = 5×16 = 8×10

For non-integer factor pairs, one can be found from the other by dividing 80 by the one given:

  for a 7 1/2 ft deck, the other dimension is 80/7.5 = 10.66666... = 10 2/3

__

For a nearly square deck, Sarah could make hers ...

  8 feet wide and 10 feet long

  10 feet wide and 8 feet long

One with integer dimensions that would be somewhat narrower would be ...

  5 feet wide and 16 feet long

If Sarah uses non-integer dimensions, she could make her deck ...

  7 1/2 ft wide and 10 2/3 ft long

Answer:

No

Step-by-step explanation:

40/1000 is 4%

Answer:

no, it would be equivalent if it was 4%

Step-by-step explanation:

Answer:

The correct option is;

A. The total points Shelly earned

Step-by-step explanation:

The given details are;

The number of tasks completed by Shelly and Terrence in the game = x

The total points scored by Terrence = 20 less than the total point scored by Shelly

The expression for Terrence's total point is 90·x - 20

Let the total points Shelly earned = Y

Therefore since the total points scored by Terrence = 20 less than the total point scored by Shelly, we have;

The total points scored by Terrence = Y - 20

Comparing the two expressions for the total points scored by Terrence which are;

90·x - 20 and Y - 20 we have;

90·x - 20 = Y - 20

Adding 20 to both sides of the equation gives;

90·x - 20 + 20= Y - 20 + 20

Which gives;

90·x = Y

Therefore, the first term of the expression 90·x - 20, which is 90·x is equal to Y, which is the total points Shelly earned

The correct option is therefore the total points Shelly earned.

Answer:

A. The total points Shelly earned

Step-by-step explanation:

Hope this helps!

Have a great day! :)

The proportional equation for b in terms of t is b = 1.25t

We can begin by finding the rate at which the candle burns, which is the amount burned per unit time.

The candle burns down from a length of 6 1/4 inches to 0 inches in 5 hours, which means it burns 6 1/4 inches in 5 hours.

So the rate of burning, in inches per hour, is:

r = (6 1/4 inches) / (5 hours) = 1.25 inches per hour

Now we can write the proportional equation:

b = rt

where r is the rate of burning, which we found to be 1.25 inches per hour, and t is the time in hours.

So the equation for b in terms of t is:

b = 1.25t

This equation represents how much of the candle has burned away, in inches, at any time given in hours, assuming the burning rate remains constant.

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Answer:

above sea level

Step-by-step explanation:

The measure of ∠N to the nearest degree is 82°.

To find the measure of ∠N, we can use the Pythagorean theorem and trigonometric functions.

First, we can use the Pythagorean theorem to find the length of MN:

MN² = NO² - OM²

MN² = (6.7 feet)² - (1.7 feet)²

MN² = 44.56 feet²

MN = 6.67 feet

Now, we can use the sine function to find the measure of ∠N:

sin(N) = MN/NO

sin(N) = 6.67 feet / 6.7 feet

sin(N) ≈ 0.994

N ≈ sin⁻¹(0.994)

N ≈ 82.4°

The measure of ∠N to the nearest degree is 82°.

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Answer:

∠B ≅ ∠E. Triangles ABC and DEF are congruent when there is a sequence of rigid motions that maps. 1) ∠A onto ∠D, and ∠C onto ∠F.

Step-by-step explanation:

The variables that the organizer can consider removing from the regression model are the Number of male visitors and Number of performance.

Based on the regression table provided, we can answer this question. The following is the regression table:Regression output table for night street fair variableNameCoefficientStandard Errort-StatP-ValueConstantb0.340.1402.430.023Number of male visitorsb10.6130.51320.750.462Number of female visitorsb10.9070.57918.830.000Number of retail standsb0.1160.0452.570.016Number of food (and beverage) standsb0.3160.0575.500.000Number of performanceb0.1460.1071.360.184The null hypothesis is rejected if p-value < 0.1; that is, there is a significant difference between the independent and dependent variables. The p-value of the Number of male visitors, the Number of female visitors, the Number of retail stands, the Number of food (and beverage) stands, and the Number of performances variables are 0.462, 0.000, 0.016, 0.000, and 0.184, respectively. As a result, the variables that are significant at the 10% level are the Number of female visitors, the Number of retail stands, and the Number of food (and beverage) stands. Therefore, the organizer should consider removing the Number of male visitors and Number of performance variables from the regression model. The variables that the organizer can consider removing from the regression model are the Number of male visitors and Number of performance.

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Answer:

20 + 4y

Step-by-step explanation:

To have to fewest symbols possible, we must simplify the expression by multiplying 4 into the numbers within the parenthesis. Doing so we get:

\(4(5+y) = 4 * 5 + 4 * y = 20 + 4y\)

Answer: 20+4y

Step-by-step explanation:

Hi, let me help you.

What we should do to simplify this expression is to "distribute" 4.

The parentheses around 5+y tell us to multiply 4 times both 5 and y. This is shown below.

\(\multimap\quad \tt 4\cdot5+4\cdot y\)

\(\multimap\quad\tt 20+4y\) is what we obtain upon multiplying

________________

Hope I helped. Best wishes.

Reach far. Aim high. Dream big.

____________________

Answer:

point slope form: y- -5 = -1(x- -5)

Step-by-step explanation:

slope int form: y=-1/2x-2.5

Answer:

2x+3x+x-30=180(sum of interior angle of triangle)

6x=180+30

x=210/6=35

Answer:

2x+3x+x-30=180

6x=180+30

x=210/6=35

Step-by-step explanation:

To solve quadratic equation using factorisation

(a)

(b)

(c)

Line -1. n(mo)

Line-2..(nm)o

Line-3. (mn)o

Now

Line:-1 to Line :-2. Commutative property of multiplication.

Line :2-Line :-3 Associative property of multiplication

Answer:

Baltimore Train: 1,020 mi/12 hr = 85 mph

Pennsylvania Train: 75 mph

So the correct answer is A.

When the consumption schedule lies below the 45-degree reference line, it means that at every level of income, people are consuming less than their income.

The consumption schedule represents the relationship between income and consumption in an economy, while the 45-degree reference line represents the line where income and consumption are equal.

In this scenario, saving occurs because people are not spending all of their income. The difference between their income and consumption is their savings. Thus, the amount of saving in the economy will increase as the consumption schedule moves further below the 45-degree reference line.

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When the consumption schedule lies below the 45-degree reference line, saving what does it means?