How would I do this one

Answer:

165 minutes

Step-by-step explanation:

if the second derivative is negative, then the first derivative is decreasing, Graphically, we see this as the curve. of the graph being concave down, that is, shaped like a parabola open downward.

The second derivative tells whether the curve is concave up or concave down at that point. If the second derivative is positive at a point, the graph is bending upwards at that point. Similarly if the second derivative is negative, the graph is concave down.

When second derivative is positive concavity?

If the second derivative is positive at a point, the graph is concave up at that point. If the second derivative is positive at a critical point, then the critical point is a local minimum. If the second derivative is negative at a point, the graph is concave down.

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Answer:

[tex]\frac{5}{8}[/tex]

Step-by-step explanation:

3 [tex]\frac{3}{4}[/tex] ÷ 6  Change 3 [tex]\frac{3}{4}[/tex] into an improper fraction

Another name for 1 is [tex]\frac{4}{4}[/tex] so another name for 3 is [tex]\frac{4}{4}[/tex] + [tex]\frac{4}{4}[/tex] + [tex]\frac{4}{4}[/tex] or [tex]\frac{12}{4}[/tex]

[tex]\frac{12}{4}[/tex] + [tex]\frac{3}{4}[/tex] = [tex]\frac{15}{4}[/tex]   So we now have

[tex]\frac{15}{4}[/tex] ÷ 6   or

[tex]\frac{15}{4}[/tex] ÷ [tex]\frac{6}{1}[/tex]  If I use the common denominator of 4, I can divide straight across.

[tex]\frac{15}{4}[/tex] ÷[tex]\frac{24}{4}[/tex]  Now divide across and we get

[tex]\frac{\frac{15}{24} }{\frac{4}{4} }[/tex] = [tex]\frac{\frac{15}{24} }{1}[/tex]= [tex]\frac{15}{24}[/tex]  Divide the top and bottom by 3 to simplify to [tex]\frac{5}{8}[/tex]

This is not the most traditional way to solve, but I think it is more intuitive.

Answer:

Flour: 210 grams

Eggs: 3 Eggs

Milk: 330 milliliters

Step-by-step explanation:

First we need to find the amount of ingredients needed for One pancake

Flour:

140 grams / 6 pancakes =  [tex]\frac{70}{3}[/tex]grams

Eggs:

2 eggs / 6 pancakes = [tex]\frac{1}{3}[/tex] eggs

Milk:

220 milliliters / 6 pancakes = [tex]\frac{110}{3}[/tex] milliliters

Now we just multiply them by 9:

Flour: [tex]\frac{70}{3} *9 = 210[/tex] grams

Eggs: [tex]\frac{1}{3}*9 = 3[/tex] eggs

Milk: [tex]\frac{110}{3}*9 = 330[/tex] milliliters

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Answer:

Michael will earn $399.60 for a 37-hour week.

Step-by-step explanation:

[tex]10.80 \times 37 = 399.60[/tex]

okay so this question is very easy you just supposed to multiple the paid per hour amount with the hours per week.

Data

paid per hour $10.80

find how much for 37 hours

Solution

37 * 10.80

=$399.6

Taxes can be paid in cash or labor and can be either direct or indirect.

Cost of juice bottle is $27.54.

Tax compliance refers to policy actions and individual behavior aimed at ensuring that taxpayers are paying the right amount of tax at the right time and securing the correct tax allowances and tax reliefs. A tax is a mandatory financial charge or some other type of the levy imposed on a taxpayer (an individual or legal entity) by a governmental organization in order to fund government spending and the various public expenditures (regional, local, or national). Around 3000–2800 BC, the first recorded taxation was enacted in ancient Egypt. Non-compliance with the law includes failing to pay on time as well as evading or resisting taxation. Taxes can be paid in cash or labor and can be either direct or indirect.

Most nations have a tax system in place to finance public, shared, or agreed-upon national necessities as well as governmental duties. While some scale taxes are progressive based on brackets of annual income amounts, most impose a flat percentage rate of taxation on personal annual income. The majority of nations impose taxes on both personal and business income. The Wealth taxes, inheritance taxes, estate taxes, gift taxes, property taxes, sales taxes, usage taxes, payroll taxes, fees, and/or tariffs are frequently levied by nations or subunits.

A bag of popcorn = $2.45

Juice bottles =18

Total cost = $29.99

Cost of juice bottle = $29.99-$2.45= $27.54

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Multiplication expression used is 16 ×[tex]\frac{5}{4}[/tex].

A number that when multiplied by a number x results in the multiplicative identity, 1, is known as a multiplicative inverse or reciprocal, indicated by 1/x or x1. A fraction a/b has a multiplicative inverse of b/a. Divide 1 by the real number to obtain the multiplicative inverse of the number. When a number is multiplied by its original number, the multiplicative inverse of that number, or x-1, produces a value equal to 1. The multiplicative inverse of 2, for instance, is 2-1 since it fulfils the formula: 2 x 2-1

2 x [tex]\frac{1}{2}[/tex]= 1. It is also known as a number's reciprocal.

Given Data

16 ÷ [tex]\frac{4}{5}[/tex]

Reciprocating,

16 × [tex]\frac{5}{4}[/tex]

Simplifying,

4(5)

20

Multiplication expression used is 16 ×[tex]\frac{5}{4}[/tex]

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Answer:

2.2

Step-by-step explanation:

11 / 5 = 2.2 inches

Answer: -10/7 < -8/9 < 0.3 < 7/8 < 1.7

Step-by-step explanation:

The reason with respect to this function is: D. No, the elements of the set of y are not all ordered pairs.

A function can be defined as a mathematical expression which is used to define and represent the relationship that exists between two or more variables. This ultimately implies that, a function is typically used for uniquely mapping an input variable to an output variable.

Based on the ordered pairs shown above, we can reasonably infer and logically deduce that these ordered pairs does not represent a function because the elements of the set of "y" aren't all ordered pairs i.e (3, 1, 4).

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∀Answer: keed

Step-by-step explanation: L trash

Based on the annualized interest from the investments that Jill went into, the amount deposited in savings was $28,363.64 and the amount in the cd was $14,181.82.

Assuming that the amount invested in the cd was x, then the amount invested can be modeled as:

= 5%x

= 0.05x

The amount invested in savings was:

= 2 x 3% x

= 2 x 0.03x

= 0.06x

The amount invested in cd was:

0.06x + 0.05x = 1,560

0.11x = 1,560

x = 1,560 / 0.11

x = $14,181.82

The amount in the savings was:

= 14,181.82 x 2

= $28,363.64

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Since angle G and angle H are complementary angles, the value of x is 11 while angle H is equal to 39 degrees.

A complementary angle can be defined as two (2) angles or arc whose sum is equal to 90 degrees (90°).

Mathematically, a complementary angle can be calculated by using this formula:

Q + R = 90°

Where:

Q and R are measure of the angles subtended.

Substituting the given parameters into the formula, we have;

(6x - 15)° + (3x + 6)° = 90°

9x - 9 = 90°

9x = 90 + 9

9x = 99

x = 99/9

x = 11

Next, we would determine the value of H:

H = 3x + 6

H = 3(11) + 6

H = 33 + 6

H = 39 degrees.

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Complete Question:

Angle G and angle H are complementary angles.  If G= (6x-15)° and H= (3x+6)° find the x value and H

Based on the equation that relates the distance traveled by the plane going from Boston to Philadelphia, the time it would take for the plane to travel 280 miles is 48 minutes

You can use the formula given to find the amount of time taken by the plane to travel 280 miles.

The formula is;

d=350t

distance travelled = 350 x time

Solving for time taken gives;

280  = 350 x time

Time = 280 / 350

Time = 0.8 hours x 60 minutes per hour

Time = 48 minutes

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The cost of 18 slices of pizza is $18.

The monthly cost for x slices of pizza is $25 + x

The equation that represents the amount of money that Ava would have to pay when she buys 18 slices of pizza is a linear equation. A linear equation is an equation that has one variable raised to the power of one. The linear equation increases by a fixed amount. When drawn on a coordinate plane, a linear equation is a straight line.

The total monthly cost is a function of the membership fee, the cost per pizza and the number of pizzas bought.

The form of the linear equation is :

fx = mx + b

Total amount paid = membership fee + total cost of pizzas

Total amount paid for 18 pizzas = cost per pizza x number of pizzas bought

$18 x 1 = $18

Total monthly cost for x pizzas = membership fee + (discounted price x number of pizzas bought)

$25 + ($1 x x)

$25 + $1x = $25 + $1x

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Answer: $61.69

Step-by-step explanation: Since is say "per pound", it means for each 1 singular item/weight/etc. So for Each pound, you gain 3.98 dollars. Multiply 15.5 and 3.98 to get 61.69.

Considering the definition of an equation and the way to solve it, after 100 miles driven the price charged by each company will be the same.

An equation is the equality existing between two algebraic expressions connected through the equals sign in which one or more unknown values appear in addition to certain known data.

The solution of a equation means determining the value that satisfies it. In this way, by changing the unknown to the solution, the equality must be true.

To solve an equation, keep in mind:

Being "x" the number of miles driven, and knowing that:

the equation is:

Price of company A= Price of company B

40 +0.10x= 35 +0.15x

Solving:

40 - 35= 0.15x - 0.10x

5= 0.05x

5 ÷ 0.05= x

100= x

Finally, after 100 miles driven the price charged will be the same.

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The component form of the resulting vector is <5, -4>

Vector:

Vector means the objects which have both, magnitude and direction. Magnitude defines the size of the vector. It is represented by a line with an arrow, where the length of the line is the magnitude of the vector and the arrow shows the direction.

Given,

Vector v = <3, 1>.

Here we need to find the value of u through the given graph and we have to perform the addition operation in order to find the component form of the resulting vector.

Here we have the value of vector v = <3,1>

While observing the graph we have identified as the value of vector u is,

x value = 2

y value = -5

So, the component from of vector u = <2, -5>

Now the addition of u + v is equal to,

=> u + v

=> <3,1> + <2, -5>

=> < (3 + 2) , (1 + (-5))>

=> < 5, -4>

Therefore, the component form of the resulting vector is <5, -4>.

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Answer:

Draw vector v in standard position. To add v to u, shift v 2 units to the right and 5 units down so its initial point coincides with the terminal point of u. Use a dotted line to depict the shifted vector v.

Now there are three sides of a parallelogram. To complete the parallelogram, draw a dotted line from the tip of vector v in the standard position to the tip of the shifted vector v.

Finally, draw the vector represented by the diagonal of the parallelogram with its initial point at the origin. The resultant vector, u + v, is this diagonal of the parallelogram in which the two vectors, u and v, are adjacent sides. The components of u + v are <5, -4>.

Step-by-step explanation:

Plato/Edmentum

In order to find g(0), we just need to find the value of the function for x = 0.

Looking at the graph, for x = 0 we have y = 7.

Therefore g(0) = 7.

To find the value of x for g(x) = -1, let's look for the value of x where y = -1.

Looking at the graph, for y = -1, we have x = -2.

Therefore g(x) = -1 for x = -2.

Answer:

-56

Step-by-step explanation:

Given that,

r => -7

s => 2

To solve this given expression, replace r & s with -7 & 2 respectively.

Let us solve it now.

[tex] \sf \: r {s}^{3} \\ \sf - 7 \times {2}^{3} \\ \sf- 7 \times 8 \\ - 56[/tex]

The altitude of the balloon now is 324 meters.

Altitude , height, or depth are terms used to describe the measurement between a reference datum and a location or item, usually in the vertical or "up" direction.

The height of the balloon is 288 meters.

The balloon rises by 36 meters.

The altitude of the balloon now = 288 + 36 = 324 meters

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Answer:

B & D

Step-by-step explanation:

If it’s 60 cents per apple, you will be able to buy 3 apples for $1.80, and 10 apples for $6.00.

0.60 x 3 = 1.80

0.60 x 10 = 6

Hope this helps! <3

The area of the gable if it is a triangle with two sides of 81 feet that meet at a 112 degrees angle is 3041.22 square feet

The two sides of the triangle=81

AB=AC=81 feet

∠A=112 degrees

∠BAD=∠DA =56 degrees

Here we have to use trigonometric functions

To find the height of the triangle we have to use the cos function

cos θ=Adjacent side/Hypotenuse

cos 56=Height/81

Height=81×cos 56

=45.29 feet

To find the length of the DC, we have to use the sine function

sin θ=Opposite side / Hypotenuse

sin 56=Base / 81

Base DC=81×sin 56

=67.15 feet

The base of the triangle BC=BD+DC

=67.15+67.15

=134.3 feets

The area of the triangle=(1/2)×b×h

Where b is the base and h is the height

=(1/2)×134.3×45.29

=3041.22 square feet

Hence, the area of the gable if it is a triangle with two sides of 81 feet that meet at a 112 degrees angle is 3041.22 square feet

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Answer:

32°

Step-by-step explanation:

Using the angle addition postulate,

[tex]3x+10+2x+12=72 \\ \\ 5x+22=72 \\ \\ 5x=50 \\ \\ x=10 \\ \\ \implies m\angle ABC=2(10)+12=32^{\circ}[/tex]

320 Tiles of measuring 20cm*50cm will be needed to cover a wall 4m by 8m.

Let to cover the wall of dimension 4m * 8m completely with the tiles we need x number of tiles of size 20cm * 50 cm.
The area of wall must be that of total areas covered by tiles.

So,

Area of 1 Tile = 20cm * 50 cm = 1000sq. cm

Total Area of Tiles needed = 1000x sq.cm

Total Area of wall = 4m * 8m = 400 * 800 = 320000 sq. cm

So, We know that

Total Area of wall = Area of 1 Tile * x

320000 = 1000x

x = 320

Therefore, we can conclude that we will need 320 tiles to cover a wall of area 32sq. metres completely.

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The equation f(-4) = (x - 2)/2 has a constant slope; so it is linear

As a general rule, these are equations with constant rate of change.

The equation is given as

f(-4) = (x - 2)/2

Rewrite as

f(x) = (x - 2)/2

Simplify

f(x) = x/2 - 2/2

Divide

f(x) = x/2 - 1

A linear equation is represented as

f(x) = mx + c

Where m represents the slope and c represents the intercept

This means that

m = 1/2

c = -1

Hence, the equation is a linear equation

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The range of sales for the given condition is (25000, +∞), Hence Mrs. Dundee makes more from the second publisher than the first.

As per the question statement, Mrs. Dundee wants to sell the rights to her Cajun cookbook so one publisher offered to pay $80,000 and a $3 royalty for every book sold and publisher two offered to pay $30,000 and $5 for every book sold.

We are supposed to find the range of sales for the given conditions.

Let's suppose Mrs. Dundee sold "x" books

30,000 + 5x > 80,000 + 3x

2x > 50,000

x > 25,000

So, the range of sales for the given condition is (25000, +∞), Hence Mrs. Dundee makes more from the second publisher than the first.

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