20 + 27x + 9x^2 = (?) (3x + 5)

Answer:

5x

Step-by-step explanation:

4x+1=5x

Riboflavin is similar to thiamin in that option d: both riboflavin and thiamin serve as coenzymes in energy metabolism.

Riboflavin is similar to thiamin in that both serve as coenzymes in energy metabolism. Coenzymes are molecules that assist enzymes in carrying out their biological functions. In the case of riboflavin and thiamin, they play vital roles in the conversion of carbohydrates, fats, and proteins into usable energy for the body.

Riboflavin, also known as vitamin B2, is an essential nutrient found in various foods such as dairy products, meat, eggs, and leafy green vegetables. It is a water-soluble vitamin, meaning it dissolves in water and is not stored in the body to a significant extent. Therefore, it needs to be regularly replenished through the diet.

Thiamin, also called vitamin B1, is another water-soluble vitamin that plays a crucial role in energy metabolism. It is involved in converting glucose into energy and is found in foods like whole grains, legumes, nuts, and seeds.

Both riboflavin and thiamin work as coenzymes by participating in specific enzymatic reactions. They assist enzymes in catalyzing chemical reactions necessary for energy production. Riboflavin, in the form of its coenzyme derivatives flavin adenine dinucleotide (FAD) and flavin mononucleotide (FMN), acts as a carrier of hydrogen atoms in metabolic reactions. Thiamin, on the other hand, is converted into its active form, thiamin pyrophosphate (TPP), which plays a crucial role in the metabolism of carbohydrates.

Now, let's address the options mentioned in the question to understand how riboflavin is similar to thiamin:

a. both are easily destroyed by heat: While it is true that riboflavin and thiamin can be degraded by heat, riboflavin is more sensitive to heat than thiamin. Riboflavin is easily destroyed when exposed to high temperatures, such as during cooking or food processing. Thiamin, although also susceptible to heat, is relatively more stable.

b. both are easily destroyed by ultraviolet light: This statement is incorrect. Riboflavin is indeed sensitive to ultraviolet (UV) light, which is why it is often stored in opaque containers to protect it from light exposure. However, thiamin is not particularly affected by UV light.

c. though rare, both can be toxic when consumed in high amounts: While excessive intake of any nutrient can potentially be harmful, toxicity from riboflavin and thiamin is rare. These vitamins are considered safe for consumption in recommended amounts, and any excess is typically excreted in the urine.

d. both serve as coenzymes in energy metabolism: This statement is correct, as explained earlier. Both riboflavin and thiamin are essential coenzymes involved in energy metabolism.

e. both are found in abundant amounts in pork: While pork is a source of several nutrients, neither riboflavin nor thiamin is found in exceptionally high amounts in pork. Riboflavin is more commonly found in dairy products, while thiamin is abundant in whole grains and legumes.

In summary, the correct answer is option d: both riboflavin and thiamin serve as coenzymes in energy metabolism. They play important roles in converting food into energy and are essential for overall health and well-being.

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Answer:

Step-by-step explanation:

Discussion

The form of this root is a "mirror image" of the root that is given. They come in pairs.

So the exact value of the other root is

x = - 2 + √6

You should be very careful looking at this root. The only  difference is the plus sign where the minus sign used to be.

The given root has to be of the form a rational number ± an irrational number.

Later on, when you get into higher math classes, you will find there is another kind of number that this same rule applies to.

Answer:

B

Step-by-step explanation:

Answer:

35

Step-by-step explanation:

no kizzy bruvvvvvvvvv

The stress function satisfies the conditions of compatibility for a two-dimensional problem.

Given stress function is 50x² - 60xy - 70y²

To determine whether the stress function satisfies the conditions of compatibility for a two-dimensional problem, it is required to find the strains and then check for compatibility equations.

Strain components are given as,

εx = ∂υ/∂x + (du/dx)

εy = ∂υ/∂y + (du/dy)

γxy = ∂υ/∂y + (du/dx)

Here,

υ = 50x² - 60xy - 70y²

du/dx = 100x - 60

ydu/dy = -60x - 140y

∂υ/∂x = 100x - 60y

∂υ/∂y = -60x - 140y

∂²υ/∂y² = -140

∂²υ/∂x² = 100

Now,εx = 100x - 60

yεy = -140y - 60

xγxy = -60y - 60x

Taking derivative of εy w.r.t x,

∂(εy)/∂x = -60

Similarly, taking derivative of εx w.r.t y,

∂(εx)/∂y = -60

∴ The stress function satisfies the conditions of compatibility for a two-dimensional problem.

Stress components are given as,

σx = (C11εx + C12εy)

σy = (C21εx + C22εy)

τxy = (C44γxy)

Here,C11 = C22 = 100, C12 = C21 = -60 and C44 = 0

Therefore,

σx = 100(100x - 60y) - 60(-140y - 60x)

= 19600x - 8800

yσy = -60(100x - 60y) + 100(-140y - 60x)

= -19600y + 8800x

τxy = 0

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Answer:

C. test and evaluate a solution

The pet store owner made a multiplication error.

The payment should be $48 per month.

An equal periodic payment can be calculated using the following formula:

P = T / N ............................................. (1)

Where, from the question:

P = periodic payment or the amount required to be paid periodically = ?

T = Total amount payable or the amount Samuel bought the snake = $288

N = Number of periods = 6

Substituting all the relevant values into equation (1), we have:

P = $288 / 6

P = $48

The P = $48 implies that $48 has to be multiplied by 6 to obtain $288.

Therefore, the pet store owner made a multiplication error.

The payment should be $48 per month.

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Answer:

33.3333333333

Step-by-step explanation:

we see that there are 6 candies in total

we also see that there is a 50% chance that someone will take out 3 candies of the same color,

50/3 = 16.66666666666667

so the chance of getting 2 marbles of the same color is 16.66666666666667 + 16.66666666666667 which is 33.3333333333

I hope I could help

Hence 85 is the area of the rectangle changing at the instant when the other side is 17 cm and increasing at 5cm per minute.

What is rectangle?

the area of the rectangle changing at the instant when the other side is 17 cm  and increasing at 5cm per minute

This can be written as A=17x

Now differentiate with respect to t.

dA/dt=17 dx/dt

increasing at 5cm per minute

dx/dt=5

dA/dt=17 (5)

dA/dt= 85

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Answer:

6.6 in

Step-by-step explanation:

\(\angle P=180^{\circ}-37^{\circ}-89^{\circ}=54^{\circ} \\ \\ \frac{p}{\sin P}=\frac{q}{\sin Q} \\ \\ \frac{p}{\sin 54^{\circ}}=\frac{4.9}{\sin 37^{\circ}} \\ \\ p=\frac{4.9\sin 54^{\circ}}{\sin 37^{\circ}} \\ \\ p \approx 6.6\)

Answer:

Step-by-step explanation:

6.6

Considering the definition of a right triangle and its properties, the value of the third angle of a triangle with two angles measuring 79 degrees and 23 degrees is 78 degrees.

A triangle is a polygon that is determined by three line segments called sides, or by three non-aligned points called vertices.

In other words, a triangle is a polygon made up of three sides, as well as three vertices and three interior angles.

One of the properties of any triangle is that the sum of the interior angles is equal to 180°.

In this case, you know that:

So the value of the missing angle can be calculated by:

79° + 23° + missing angle = 180°

Solving:

102° + missing angle = 180°

missing angle= 180° - 102°

missing angle= 78°

Finally, the value of the third angle of a triangle with two angles measuring 79 degrees and 23 degrees is 78 degrees.

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Answer:

The answer is 78.

Step-by-step explanation:

Person above is right and I'm also taking the test!!

Answer:

columnar petty cash book & imprest petty cash book

Step-by-step explanation:

The value of fx(1, 0) equal to -(1/√(3)) and  fy(1, 0) is equal to -20/√3.

To find fx(1, 0) and fy(1, 0), we need to take the partial derivative of the given equation with respect to x and y respectively, and then evaluate the derivatives at the point (1,0).

First, we have f(x, y) = √(4 - x² - 4y²)

To find fx(1, 0), we'll take the partial derivative of f(x, y) with respect to x:

fx(x, y) = ∂f/∂x = -(x/√(4 - x² - 4y²))

Therefore, fx(1, 0) = -(1/√(4 - 1² - 4×0²)) = -(1/√(3))

fx(1, 0) = -(1/√(3))

To find fy(1,0), we'll take the partial derivative of f(x, y) with respect to y:

fy(x, y) = ∂f/∂y

= -2y/√(4 - x² - 4y²)

Therefore, fy(1, 0) = -20/√(4 - 1² - 4×0²) = -20/ √3

These numbers, fx(1, 0) and fy(1, 0), can be interpreted as slopes of the equation. The slope in this case represents the rate of change of the function in the x and y directions. A negative value for fx(1,0) means that as x increases by a small amount, the function value decreases by a small amount, while a value of 0 for fy(1,0) means that as y increases by a small amount, the function value does not change.

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Answer:

B

Step-by-step explanation:

because the function is correctly done to be 4/3

Answer:

-2

Step-by-step explanation:

slope is rise over run

-2/1

= -2

Answer:

-2

Step-by-step explanation:

Slope is rise over run  -2/1

Answer: Rs 1469

Step-by-step explanation:

Coat of item = RS 1300

Value added tax = 13%

The price of the item will then be calculated as:

= 1300 + (1300 × 13%)

= 1300 + (1300 × 0.13)

= 1300 + 169

= Rs 1469

Answer:

10

Step-by-step explanation:

5+5=10

negative and positive cancel each other out > i-i=0

10+0 simplifies to 10

Answer:

A 9.7

Step-by-step explanation:

I used a caculator

Therefore, the approximate value of AC is 4.69 in.

An approximate value by defect of a number is a value that is close to this number, less than it, as close as possible, and with a requested level of precision. The number 3.1415 is an approximate value by defect of the number π.

Given a right triangle ABC with AB as the hypotenuse of length 11.05 in and angle A = 23°.We are required to find the approximate value of AC.Based on the trigonometric ratios for right triangles, we have:

Tan A = Perpendicular/ Base => Perpendicular = Tan A * Base

On substituting the values, we get:

Tan A = AC / AB=> AC = Tan A * AB

On substituting the values, we get:

AC = Tan 23° * 11.05in= 4.69in (approximately)

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Answer:

x = -70

Step-by-step explanation:

x+47=−23

Subtract 47 from both sides.

x+47−47=−23−47

x = −70

Answer:

x=-70

Step-by-step explanation:

x +47= -23

  -47   -47

x= -70

We can begin by finding the circumference of the circle using the formula C=2πr, where r is the radius of the circle. C = 2π(4) = 8π. Radius is defined as length between center and arc of circle.

Since the sector of the circle is three-quarters, its central angle is 3/4 * 360 degrees = 270 degrees.

θ = 270 degrees = 3π/2 radians

L = 4(3π/2) = 6π

Therefore, the lateral surface area of the cone is 6π square inches.

6π = π(4)ℓ

Solving for ℓ, we get:

ℓ = 3

h^2 = ℓ^2 - r^2

h^2 = 3^2 - 4^2

h^2 = 9 - 16

h^2 = -7 (This is not a valid solution since we cannot take the square root of a negative number.)

Therefore, there must be an error in the given problem, as the dimensions provided do not allow for a valid solution.

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Answer:

245, 3, 453

Step-by-step explanation:

-11 squared = 121

121 multiplied by 2 = 242

242 + 3 = 245

0 squared is 0

0 multiplied by 2 = 0

0 + 3 = 3

15 squared is 225

225 multiplied by 2 = 450

450 + 3 = 453

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Answer:

Step-by-step explanation:

x  - the miles to travel

467+x  - the main odometer after x miles travel

22+x   - the trip odometer after x miles travel

2(22+x)    - two times the trip odometer after x miles travel

2(22+x) = 467 + x

44 + 2x = 467 + x

     - 44       -44

     2x = 423 + x

    -x       -x

     x = 423

Answer:

how far you've driven

Step-by-step explanation:

Answer:

400

Step-by-step explanation:

382.993 is lies between 300 and 400

and 400 is nearest hundred of 382.993

Answer:

9

Step-by-step explanation:

in the tirhd twistbt the tiw d the n. doouble itb.

Answer:

2 nonreal solutions

Step-by-step explanation:

given a quadratic equation in standard form

ax² + bx + c = 0 (a ≠ 0 )

then the nature of the roots are determined by the discriminant

b² - 4ac

• if b² - 4ac > 0 then 2 real and irrational solutions

• if b² - 4ac > 0 and a perfect square then 2 real and rational solutions

• if b² - 4ac = 0 then 2 real and equal solutions

• if b² - 4ac < 0 then no real solutions

5x² - 2x + 6 = 0 ← in standard form

with a = 5 , b = - 2 , c = 6

b² - 4ac

= (- 2)² - (4 × 5 × 6)

= 4 - 120

= - 116

since b² - 4ac < 0

then there are 2 nonreal solutions to the equation