Twelve times one-half of a number is thirty
six. What is the number? a. 3 b. 6 C. 8 d. 18

Answer:

[tex]\huge \boxed{SA=294cm^2}[/tex]

Step-by-step explanation:

[tex]-------------[/tex]

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2m² - 3. 5(4m- 1. 4) + 3. 6(8m -4. 5m) is equivalent to 2.2m² + 11.3m - 8.7

The polynomial equations of degree two in one variable of type f(x) = ax2 + bx + c = 0 and with a, b, c, and R R and a 0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" is for the absolute term of f. (x). The roots of the quadratic equation are the values of x that fulfill the equation (, ).

It is a given that the quadratic equation has two roots. Roots might have either a true or made-up nature.

2m² - 3. 5(4m- 1. 4) + 3. 6(8m -4. 5m) is equivalent to 2.2m² - 3.5(4m- 1.4) + 3.6(8m -4.5m) which is equivalent to 2.2m² - 14m + 4.9 + 25.2m - 12.6m which is equivalent to 2.2m² + 11.3m - 8.7

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We can fit 25 notebooks on the space.

Now, According to the question:

The width of the notebook is 2/5

The length of the space is 10 inches.

To find the number of the notebooks can put there divide 30 by 2/3

Number of the books : [tex]\frac{10}{\frac{2}{5} }[/tex] = 10 × [tex]\frac{5}{2}[/tex]

=> 50/2 = 25

The number of the notebook is 25

We can fit 25 notebooks on the space.

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Answer:

C. 4

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Answer:

c. 4

Step-by-step explanation:

first arrange the data in order.(you can use both ascending and descending order).

2,3,4,5,8

there are 5 numbers and 5 is odd so simply the middle value is the median.

but if it is even the average of the middle values is the median

well, our origin amount will be 80, so 80 is the 100% or all papers, now, she has graded 60, so what's leftover is 20, what's 20 off of it in percentage?

[tex]\begin{array}{ccll} amount&\%\\ \cline{1-2} 80 & 100\\ 20& x \end{array} \implies \cfrac{80}{20}~~=~~\cfrac{100}{x} \\\\\\ 4 ~~=~~ \cfrac{ 100 }{ x }\implies x=\cfrac{100}{4}\implies x=25[/tex]

Answer:

One, a=11/3.

Step-by-step explanation:

6a-3a-6=2+3

3a-6=5

3a=5+6

3a=11

a=11/3

Answer:

15π = 47.12

Step-by-step explanation:

C = pi(diameter)

C= 15π

Answer:

Solution given:

diameter [d]=15m

circumference =?

we have

circumference of circle =πd=π×15=15π or 47.12m

Answer:

cash

Step-by-step explanation:

debit - account payable

credit - cash



the first one is 3. and the second is 1.

Answer:

B (1): iii

B(2): ii

Step-by-step explanation:

B(1): answer choice 3 is the only answer increasing at a constant rate.

B(2): answer choice two is the only answer not increasing at a constant rate

Answer:

?                                                                                      

Step-by-step explanation:

Answer:

1) 1[tex]\frac{59}{70}[/tex]

2)[tex]1\frac{7}{44}[/tex]

3)[tex]\frac{22}{25}[/tex]

4)[tex]2\frac{4}{33}[/tex]

5)[tex]\frac{38}{45}[/tex]

6) [tex]\frac{80}{141}[/tex]

Answer:

4 x 12 = 48, 48 divided by 2 = 24

8 x 12 = 96

96 + 24 = 120 ft^2

Answer:

Step-by-step explanation:

so do 4*8 and then do how ever many you get from 4*8 and add that to get your aswer wich would be

4*8=32

32+12 =44

Starting out with the fraction of 5/9, Jess would be thinking of the fraction 144/125 at the end of the game if the ten coin flips turn out to be {THTTHTHTTT}.

Since both outcomes are equally likely, the probability of getting heads is 0.5 and the probability of getting tails is also 0.5. Alternatively, the probability of getting H or T in a coin flip is 1.

Probability is an important method for comprehending and making judgments regarding uncertain occurrences in many disciplines, including statistics, finance, and science. It aids in quantifying and forecasting the probability of specific events, enabling us to make better educated choices and comprehend the degree of risk involved with various activities. In summary, probability is a key idea in decision-making and risk management because it is a potent instrument for comprehending and managing uncertainty.

Taking the sequence of coin flips in ten tires, i.e THTTHTHTTT , and starting from the fraction 5/9, the fraction that jess would be thinking at the end of the game can be calculated as,

5/9 * (6/5)^7 *(5/6)^3 , since there are 7 Tails and 3 Heads during the whole game. Which is equal to the fraction 144/125.

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Answer:

Step-by-step explanation:

Geometric mean = 7.3

Answer:

This is the isosceles right triangle as one of the angles is 45°.

The second leg is same as the first and the hypotenuse is √2 times the leg.

This is the 30°x60°x90° triangle and the ratio of sides is:

Since the hypotenuse is 16, the other sides are:

Geometric mean of two numbers is the square root of their product.

Correct choice is C

Answer:

I got decimals when I graphed but I got (6.25,-4.75)

Step-by-step explanation:

I made a graph and placed the 2 equations in and marked where they intercepted which is (6.25,-4.75)

The measure of angle E if The measure of angles is 2x + 13, 11x - 6 and 89°, is 37°.

An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are in the plane where the rays are located. The meeting of two planes also creates angles.

Given:

The measure of angles is 2x + 13, 11x - 6 and 89°,

Use the exterior angle theorem and find the value of x as shown below,

2x + 13 + 89 =  11x - 6

2x + 102 = 11x - 6

9x = 108

x = 12

Thus, the measure of ∠ E = 2 × 12 + 13

∠ E = 24 + 13

∠ E = 37°

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I think that the answer would be 14

Answer:

We need to find the area of the base/circle then multiply it by the height so if you know the formula area of a circle your good to go.

30^2 = 900

900 x 3.14 =2,826

Now lets multiply the base's area/circle by the height!

2,826 x 15 = 42,390 cm^3(cm cubed) is your answer.

Answer:

Step-by-step explanation:

there is 1 dime and 12 quarters

By adding a duplicate of the identity matrix to the augmented matrix, which was formed, it is possible to find the inverse of a square matrix using row reduction.

If the matrix is capable of being reduced to the identity, the identity matrix will simultaneously change into the inverse matrix. A rectangular array of numbers, arranged in rows and columns, is referred to as a matrix. The dimension, or order, of a matrix, indicates how many rows and columns there are in the array. For example, if a matrix has m rows and n columns, its order is expressed as mxn.

Correct Question :

How do you find the inverse of a 4x4 matrix?

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Answer:

x = 9

Step-by-step explanation:

18 + x = 27

x = 27 - 18

x = 9

I would like to ask you to go to the vet, or attempt to, as this might be a worm in the eye. The same thing happened to my dog.

The difference between their ages is obtained as 35/12.

Let us recall that the term fraction has to do with a part of a whole. In this case, we have been told that Marcelle and Megan realized that they could express their ages more specifically if they used fractions.

Age of Marcelle  = 15 1/2 or 31/2 years

Age of Megan  = 12 7/12 or 151/12 years

The difference between their ages is;

31/2 - 151/12

=186 - 151/12

=35/12

There ages would have a difference of 35/12.

In the computation that has gone on above, we can clearly see that the difference in the ages is 35/12.

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Missing parts;

Marcelle and Megan realized that they could express their ages more specifically if they used fractions. Doing this will allow them to calculate their difference in their ages. Marcelle is 15 1/2 years old, and Megan is 7 7/12. What is the difference in their ages? Express your answer as a simplified mixed number.

The time taken for his return flight, in hours could be  4 hours.

What is time ?

Time is defined as the sequence of events that occurs which can be from past through present or to future.

Given,

Benji's flight from Chicago to San Jose took 0.5 hour longer than his return flight from San Jose to Chicago.

If Benji's flight from Chicago to San Jose was 4.5 hours long

let,

chicago to san jose = san jose  to chicago+0.5

4.5 - 0.5  = san jose to chicago

san jose to chicago  = 4 hours

Hence,  How  long was his return flight, in hours is 4 hours.

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The expression determines the quantity of water leaving the tank per hour is (18 1/2 gallons)/(4 1/4 hours)

Rate is the ratio of a certain number of units of one quantity to units of another quantity. Mathematically, rate is one quantity divided by the other quantity.

If a total of 18 and one-half gallons flowed out of the tank in 4 and one-fourth hours. We can write that the rate as follows:

rate = (18 1/2 gallons)/(4 1/4 hours)

rate = 4 6/17 gallons per hour

Thus, the expression determines the quantity of water leaving the tank is (18 1/2 gallons)/(4 1/4 hours)

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Hi there!

[tex]\large\boxed{t = 12.60 \text{ days}}[/tex]

We can solve this by setting the equation equal to 150:

[tex]150 = \frac{230}{1 + 56.5e^-0.37t}[/tex]

Cross-multiply and divide:

[tex]150 (1 + 56.5e^{-0.37t})= 230[/tex]

Divide both sides by 150:

[tex]1 + 56.5e^{-0.37t} = 1.5333[/tex]

Isolate for t by subtracting both sides by 1 and dividing by 56.5:

[tex]56.5e^{-0.37t} = 0.5333[/tex]

[tex]e^{-0.37t} = 0.0094395[/tex]

Take the natural log to solve for t:

[tex]ln (0.0094395) = -0.37t[/tex]

[tex]-4.6628522 = -0.37t[/tex]

Divide both sides by -0.37:

t = 12.60 days.

Answer:

c. (1, 3)

Step-by-step explanation:

The coordinates that best suite the equation, given it the answer.

Answer:

  It isn't.

  The correct relation is 4r·Area = abc.

Step-by-step explanation:

You want to show the relation between the product of triangle side lengths and the product of the triangle area and the radius of the circumcircle.

The area of the triangle in the attached diagram can be found by ...

  Area = 1/2(bc)sin(α)

The inscribed angle theorem tells you the measure of the arc subtended by an inscribed angle is twice the measure of the inscribed angle. That means the opposite chord will be twice the length of the product of the radius and the inscribed angle value:

  a = 2r·sin(α)

The product of the circumradius and the area of the triangle is ...

  r·Area = r·(1/2)(bc)sin(α) = 1/4(bc)(2r·sin(α)) = 1/4abc

Without the fractions, the relation is ...

  4r·Area = abc

__

Additional comment

As a simple example, consider a 3-4-5 right triangle. The area of the triangle is ...

  A = 1/2(3)(4) = 6

The circumradius is half the length of the hypotenuse, r = 5/2.

The relation of interest is ...

  4r·Area = abc

  4(5/2)(6) = 3·4·5

  60 = 60 . . . . . . . . . . as expected

This could be a very simple way to find the circumradius of a triangle.