help me please :))))))))))))))))))

According to the given square root value, the resulting value of the expression 2√4 × √9 is 12

Square root:

Square root refers any number that is equal to a number, which when squared gives the original number.

Given,

Here we have the expression 2√4 × √9.

Now, we have to find the value of the expression.

While we looking the given expression we have identified that the value of the square roots are

√4 = √(2 x 2) = 2

Similarly, the value of

√9 = √(3 x 3) = 3

So, now we have to replace the root with these values, then we get,

=> (2 x 2) x 3

=> 4 x 3

=> 12

Therefore, the resulting value is 12.

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Answer:

52 degrees

Step-by-step explanation:

first solve for x

9x-20=2x+36

9x=2x+56

7x=56

x=8

Now we find angle PTU

9(8)-20

72-20

52

Hopes this helps please mark brainliest

The distance 170.4 is 24% of 710 miles, 86.1% is the percent of 62 hours of 3 days and 50 is the 16% of the 8.

What is percentage?

A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”.

1) given, 24% and 710 miles,

24/100×710= 170.4

2) first convert 3 days into hours.

=(3)(24) = 72 hours.

62/72×100=86.1%

3) let x be that number,

16%of x = 8

16/100×x = 8

x = 800/16

x =15

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Answer:

x=1/2

Step-by-step explanation:

x^2+5x-9=0

Plus 9: x^2+5x=9

square root: x+5x=3

6x=3 so x=1/2

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$300\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &2 \end{cases}[/tex]

[tex]A=300\left(1+\frac{0.04}{12}\right)^{12\cdot 2} \implies A=300\left( \frac{301}{300} \right)^{24}\implies A \approx 324.94[/tex]

The length of AB = b - a, MN = 3a - b/2 and MP = b/2 + (k + 1)(b - a).

A triangle is defined as a two-dimensional shape with three sides, three interior angles, and three vertices.

Given that OB = b and OA = a

From ΔAOB we have

OB + BA + AO = 0

b + (- AB) -a = 0

AB = b - a

Now from ΔMNO we get

MN + NO + OM = 0

MN + (-ON) + OB/ 2 = 0

MN - (OA + AN) + b/2 = 0

MN - (a + 2a) + b/2 = 0

MN = 3a - b/2

Now from ΔMBP, we have

MB + BP + PM = 0

OB/2 + (BA - PA) + PM = 0

b/2 + (- AP/k + AP) + PM = 0

b/2 + (-kAB /k + kAB) + PM = 0

b/2 + (k AB + AB) + PM = 0

PM = -b/2 - (k + 1) (b - a)

MP = b/2 + (k+1) (b - a)

Hence, The length of AB = b - a, MN = 3a - b/2 and MP = b/2 + (k + 1)(b - a).

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Answer:

Step-by-step explanation:

Now, to complete the sentences assume the missing value is x.

1) 1 box, x bags and 9 single marbles:

2) 2 boxes, 2 bags and x single marbles:

Answer:

10

Step-by-step explanation:

line LF divides the triangle into two equal parts

since LH is 5

therefore, GH is 5*2=10

Answer:

Step-by-step explanation:

Answer:

  (f∘g)(x) = 5x -16

Step-by-step explanation:

You want the simplified form of the composition (f∘g)(x) when f(x)=5x-6 and g(x)=x-2.

The notation (f∘g)(x) is a shorthand way to write f(g(x)). The composition operator (ring operator) works right to left, meaning that g(x) is evaluated first, then the result is used as an argument to the function f.

Functions are evaluated in the usual way.

  f(g(x)) = f(x-2) = 5(x-2) -6 = 5x -10 -6 = 5x -16

  (f∘g)(x) = 5x -16

Simplifying

-7x2 + 5x + -18 = 0

Reorder the terms:

-18 + 5x + -7x2 = 0

Solving

-18 + 5x + -7x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by

-7 the coefficient of the squared term:

Divide each side by '-7'.

2.571428571 + -0.7142857143x + x2 = 0

Move the constant term to the right:

Add '-2.571428571' to each side of the equation.

2.571428571 + -0.7142857143x + -2.571428571 + x2 = 0 + -2.571428571

Reorder the terms:

2.571428571 + -2.571428571 + -0.7142857143x + x2 = 0 + -2.571428571

Combine like terms: 2.571428571 + -2.571428571 = 0.000000000

0.000000000 + -0.7142857143x + x2 = 0 + -2.571428571

-0.7142857143x + x2 = 0 + -2.571428571

Combine like terms: 0 + -2.571428571 = -2.571428571

-0.7142857143x + x2 = -2.571428571

The x term is -0.7142857143x.  Take half its coefficient (-0.3571428572).

Square it (0.1275510204) and add it to both sides.

Add '0.1275510204' to each side of the equation.

-0.7142857143x + 0.1275510204 + x2 = -2.571428571 + 0.1275510204

Reorder the terms:

0.1275510204 + -0.7142857143x + x2 = -2.571428571 + 0.1275510204

Combine like terms: -2.571428571 + 0.1275510204 = -2.4438775506

0.1275510204 + -0.7142857143x + x2 = -2.4438775506

Factor a perfect square on the left side:

(x + -0.3571428572)(x + -0.3571428572) = -2.4438775506

Answer:

delete

Step-by-step explanation:

ok this is wrong pls delete

Answer:

y=-1/2x+4

y=2x+5

y=x+2

Step-by-step explanation:

1. The equation of the line is y = - 4 / 9 x + 25 / 9.

2. The equation of the line is y = 5 /3 x -  14 / 3

3. The equation of the line is  y = x + 2

The equation of a line can be represented in slope intercept form as follows:

y = mx + b

where

Therefore, the equation of the line can be found as follows:

1.

(4, 1)(-5, 5)

m = 5 - 1 / -5 -4

m = 4 / -9

m = - 4 / 9

Let's find y-intercept

1 = - 4 / 9(4) + b

1 + 16 / 9 = b

b =  9 + 16 / 9

b = 25 / 9

Hence, thee equation of the line is  y = - 4 / 9 x + 25 / 9

2.

(-2, -8)(4, 2)

m = 2 + 8 / 4 + 2

m = 10 / 6

m = 5 / 3

Let's find y-intercept

2 = 5 / 3 (4) + b

2 - 20 / 3 = b

b =  6 - 20/ 3

b = - 14 / 3

Therefore, the equation of the line is y = 5 /3 x -  14 / 3

3.

(0, 2)(-2, 0)

m = 0 - 2 / -2 -0

m = - 2 / -2

m = 1

Let's find y-intercept

2 = 1(0) + b

b = 2

Therefore, the equation of the line is y = x + 2

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Proportional reasoning can be used to solve a problem in which one quantity is a constant multiple of the other.

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is known as the "constant of proportionality".

Proportional reasoning is the reasoning based on the cognition that a relationship exists between the multiples of the variables in the problem, such that the magnitude of a variable can implied from the changes made to the relationships connecting the variables.

An example of proportional reasoning is the distance travelled, d, after a given time, t, at a constant velocity, v;

d = v·t

To judge the distance travelled, a constant, v,  multiplies the time, t, such that, at a longer time, it can be reasoned that the distance travelled is much further.

Therefore, proportional reasoning can be used to solve a problem in which one quantity is a constant multiple of the other.

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The number of days which it would take 1000 people to sign the petition as required in the task content is; 4.35 days.

It follows from the task content that the number of days which it would take Jan to get 1000 signatures on the petition be determined.

Since it is given in the task content that 230 people sign the petition each day.

It therefore follows from proportion that the number of days needed for 1000 people to sign the petition is;

= 1000/230

= 4.3478 days.

Hence, the number of days which it would take 1000 people to sign the petition is approximately; 4.35 days.

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Answer:

[tex]y=80(1.1)^x[/tex]

Step-by-step explanation:

Please, tell me if I did this wrong as I'm not really sure of this. Thx

There are 12.3553 square miles are in 32 square kilometers.

What is square miles and square kilometers?

A square mile is equivalent to 2.59 square kilometres. A square mile must be multiplied by a factor of 2.59 in order to be converted to a square kilometre. For instance, 3 square miles are equivalent to 7.77 square kilometers when multiplied by 2.59, or square meters.

We have to find how many square miles are in 32 square kilometers.

Since, 1 square mile = 2.59 square kilometer

Suppose x square miles = 32 square kilometer

Consider, the ratio

[tex]\frac{1}{x} = \frac{2.59}{32} \\x = \frac{32}{2.59}\\ x=12.3553[/tex]

Therefore, 12.3553 square miles are in 32 square kilometer.

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As per the proportionally concept, the missing value in the table is 240

and in 18 minute Kenny type 720 words.

Proportionality:

If two objects are proportional to each other, then it means that as one object increases the other will also increase and the ratio of the quantities is the same for all values.

Given,

Kenny is practicing for a typing test to obtain a job as paralegal. The number of words he can type is proportional to the number of minutes he types.

Here we need to find if the test is 18 mins long how many word will Kenny be able to type and the missing value in the table.

Here we have assume that if number of words typed is proportional to number of minutes

So, it can be written as Word typed α number of minutes

As in the equation form of the relation is,

Word typed = k * number of minutes

where k refers constant of proportionality

So, first we have to find the value of k, in order to solve this,

For, that we have to take the following,

=> 120 = k * 3

=> k = 120/3

Therefore, k = 40

So, if test is 18 minutes long, then the number of words is calculated as,

=> Word typed = k * 18

=> Word typed = 40 * 18

=> Word typed = 720

And the missing value of the table is,

=> words = 40 * 6

=> words = 240

Therefore, the number of words in 6 minutes is 240.

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(x+2)(x+5)(x-3) These are the factor of x³+4x²-11x-30
Hence x+3 is not the factor of this equation

What in mathematics is a binomial equation?

A polynomial with only terms is a binomial. An illustration of a binomial is x + 2, where x and 2 are two distinct terms. Additionally, in this case, x has a coefficient of 1, an exponent of 1, and a constant of 2. As a result, a binomial is a two-term algebraic expression that contains a constant, exponents, a variable, and a coefficient.

factor the equation

x³+(2x²+2x²)-(-4x+15x)-30

x³+2x²+2x²+4x-15x-30

x²(x+2)+2x(x+2)-15(x+2)

(x+2)(x²+2x-15)

(x+2)(x+5)(x+3)

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The domain of the given function is the hours or time taken whereas the range will be the concentration and greatest concentration of the medication that a patient will have in their body is 8 mg/L.

What is Domain of a function?

Inputs are assigned outputs by functions. The collection of all potential inputs for a function is its domain. For instance, the domain of f(x)=x2 and g(x)=1/x are all real integers with the exception of x=0.

Therefore, The domain of the given function is the hours or time taken.

What is range of a function?

The collection of potential output values for a function is known as its range.

Therefore, the range of the function is concentration.

B) Graph of the function is attached and we can see from the graph that greatest concentration of the medication that a patient will have in their body is 8 mg/L.

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The multiple of 2, 5, and 7, such that the sum of the 3 digits is 10 is:

630

We want to find a number that is a multiple of 2, 5 and 7, such that the sum of the 3 digits is 10. (such that the number is not 280)

So our number N is of the form:

N = a*(2*5*7)

Where a is an integer.

N = a*70

Here we just need to find the value of a such that the sum of the 3 digits of the outcome is equal to 10.

For example, if a = 2 then:

N = 2*70 = 140

The sum gives 1 + 4 + 0 = 5

Now we jut need to keep trying values of a.

Eventually, we will get to:

if a = 9 then:

N = 9*70 = 630

The sum gives: 6 + 3 + 0 = 10

So this is our number.

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The image vertices for a dilation with center (0,0) and a scale factor of 4 are A'(-12,4), B'(16,-12), C'(8,12), and D'(-4,16).

What are dilation and scale factors?

A figure or point that has undergone a change in size and location is known as dilation.

The amount by which the figure is stretched or contracted in a dilation is known as the scale factor.

The coordinates of the points in the pre-image can be multiplied by the scale factor to get the points in the picture if we are dilating a figure that is centered at the origin.

Given, vertex A = (-3,1), vertex B = (4,-3)

vertex C = (2,3), vertex D = (-1,4)

scale factor = 4 and center = (0,0)

Now, we need to find the image of the given vertices for dilation with center (0,0) and scale factor 4, then we have to multiply the given vertices with scale factor 4

A' = (-3*4,1*4) = (-12,4)

B' = (4*4,-3*4) = (16,-12)

C' = (2*4,3*4) = (8,12)

D' = (-1*4,4*4) = (-4,16)

Hence, the image of the given vertices are A'(-12,4), B'(16,-12), C'(8,12) and D'(-4,16).

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The amount spent for other than groceries is $246.36.

Given that the money to spend this month = $410.60

Theresa uses 2/5 of the money to groceries.

So she spent on groceries = 410.60*(2/5) = 164.24

We have to subtract the spending on groceries from the total spending in order to find the required.

Then the amount spend other than groceries = 410.60-164.24 = 246.36

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According to the graph of the function the real zeros of the functions are (-0.33, 0)

Real zeros of the function

Based on the graph methods, the real zero of a function is where the graph of the function crosses the x‐axis; that is, the real zero of a function is the x‐intercept(s) of the graph of the function.

Given,

Here we have the function f(x) = -9x² - 6x - 1

Now, we have to plot the graph for the function by using the graphing calculator and then we have to find the real zeros of the function.

Here we have to take the expression and input it in the graphing calculator.

Then we get the graph like the following.

Now, we have to identify the real zeros of the function through this plotted graph.

The real zeros of the function means the x intercept points of the graph.

Here we have the x intercepts is (-0.33,0)

Therefore, the real zeros on the function are (-0.33 , 0)

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Answer: Let 5/9=□/54

Clearly shows 54=(9×6)

Now multiply the numerator by 6 also

∴5 / 9 = (5 \times 6) / (9 \times 6) = 30 /54$$

Hence, 30/54 is the equivalent fraction of 5/9 having denominator 54

(ii) Let 5/9=35/□

Clearly shows 35=(5×7)

Now multiply the denominator by 7 also

∴5/9=(5×7)/(9×8)=35/63

Hence, 35/63 is the equivalent fraction of 5/9 having numerator 35

Step-by-step explanation:

Answer:

-----------------------------

Answer:

x = 1

Step-by-step explanation:

k is the constant of proportionality

All integer values of x in the interval [0, 7] are  0,1

What is an integer?

A full number, not a fraction, that can be positive, negative, or zero is called an integer (pronounced IN-tuh-jer). Integer examples include: -5, 1, 5, 8

An inequality in mathematics depicts the connection between two values in an algebraic statement that are not equal. One of the two variables on the two sides of the inequality may be greater than, greater than or equal to, less than, or less than or equal to another value, according to inequality signals.

−5x+3>-4

-5x > -4-3

-5x > -7

Divide by -5 on both sides

x< -7/-5

x< 7/5

x< 1.4

So, all integer values of x in the interval [0, 7] are  0,1

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Answer:

Step-by-step explanation:

False. They have one point in common meaning there is only 1 solution.

Answer:she is correct i dont really get the formula but if -9 - 8 = -17

Step-by-step explanation:

Answer:

[tex]x - 1 \geqslant 3[/tex]