Please help i will give brainliest to first correct answer

Answer:

A. 27

Step-by-step explanation:

mG=(180-126)/2=27

Answer: -1/3 is the correct answer

Step-by-step explanation:

Answer:

m anglw ABD answers is 50 degree

No Solution.

Since, the x-axis (equation y=0) does not intersect y=-7 at any point. The given pair of equations has no solution

Consider the pair of linear equations in two variables x and y.

a1x + b1y + c1 = 0

a2x + b2y + c2 = 0

Here a1, b1, c1, a2, b2, c2 are all real numbers.

Note that, a12 + b12 ≠ 0, a22 + b22 ≠ 0

1. If (a1/a2) ≠ (b1/b2), then there will be a unique solution. If we plot the graph, the lines will intersect. This type of equation is called a consistent pair of linear equations.

2. If (a1/a2) = (b1/b2) = (c1/c2), then there will be infinitely many solutions. The lines will coincide. This type of equation is called a dependent pair of linear equations in two variables

3. If (a1/a2) = (b1/b2) ≠ (c1/c2), then there will be no solution. If we plot the graph, the lines will be parallel. This type of equation is called an inconsistent pair of linear equations.

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The vertex of the function defined as g(x) = f(x+2) is (8, 4).

From the question, we have the following parameters that can be used in our computation:

Vertex of f(x) = (6, 4)

For the function defined as g(x) = f(x+2), we have

Vertex = (x + 2, y)

Where

x = 6 and y = 2

Substitute the known values in the above equation, so, we have the following representation

Vertex = (6 + 2, 4)

Evaluate

Vertex = (8, 4)

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Answer:

242 sandwiches

Step-by-step explanation:

The group wants to make x number of sandwiches.

They have already made 132 sandwiches and still have 110 sandwiches to make.

To find the total, you can add these numbers up, because:

132 + 110 = total sandwiches

This way, you get 242 sandwiches

The expression \(2^5 · 3^(-5)\)remains unchanged and cannot be further simplified using a single exponent.

To rewrite the expression 2^5 · 3^(-5) using a single exponent, we can apply the rule of exponents that states:

\(a^m · a^n = a^(m+n)\)

In this case, we have \(2^5 · 3^(-5)\)

Using the exponent rule, we can combine the two terms with the same base (2 and 3) by adding their exponents:

\(2^5 · 3^(-5) = 2^5 · (3^(-1))^5\)

Now, we can simplify further:

\(2^5 · 3^(-5) = 2^5 · (3^(-1))^5\)

Multiplying the exponents:

\(2^5 · 3^(-1 * 5) = 2^5 · 3^(-5)\)

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Answer:

(1) 6

Step-by-step explanation:

Goal : to get x by itself

1.  Subtract 2 from both sides

7x > 56

2. Divide both sides by 7

x > 8

3. Conclusion: Any number greater than 8 would make 7x + 2 > 58 plausible. The answer to the question has to be less than 8, so the only answer choice that is less than 8 is 6.

If Laura had 10 shirts to begin with and then bought 3 shirts each week for 4 weeks, she would have:

10 + (3 x 4) = 22 shirts

After 4 weeks, she would have a total of 22 shirts.

All you need to know is that a km is 1000 m ( as the prefix kilo always means 1000 let it be even 1kg and that is equal to 1000g )

also know

that a 100 cm is 1 m and that's cause the prefix centi is 10^–2 (0.01)

answering your question

a) 5km = 5000m

5km and 20m in m is 5000m + 20m = 5020m

b) 13 cm = 13/100m = 0.13m

7m and 12cm is 7m + 0.13m = 7.13m.

remember

1km = 1000m

100cm = 1m

hope this helped :)

Answer:

b=34.2m

Step-by-step explanation:

equation for area of parallelogram

a=b×h

in which b is the base(length) and h is the height

\(690.84 = b \times 20.2\)

\(b = \frac{690.84}{20.2} \)

b=34.2m

Answer:

Trong toán học và vật lý, vectơ là một phần tử của không gian vectơ. Đối với nhiều không gian vectơ cụ thể, các vectơ đã nhận được các tên cụ thể, được liệt kê dưới đây.

Step-by-step explanation:

The expression inside the parentheses is a difference of squares, so it can be factored further as 4(x - 2)(x + 2). Therefore, the expression is completely factored as 4(x - 2)(x + 2).

To rearrange the equation 2x - 3y = 15 into slope-intercept form, we isolate y.

Starting with 2x - 3y = 15, we can subtract 2x from both sides to get -3y = -2x + 15. Then, dividing both sides by -3, we have y = (2/3)x - 5.

The slope of the equation is 2/3, and the y-intercept is (0, -5).

The equation x = -2 represents a vertical line passing through x = -2 on the x-axis.

Simplifying the expression (a^3b^3)(3ab^5) + 5a^4b^8 results in 3a^4b^8 + 3a^4b^8 + 5a^4b^8, which simplifies to 11a^4b^8.

Simplifying the expression 4m^3n - 282m^4n - 2 results in -282m^4n + 4m^3n - 2.

Performing the indicated operation 3x^2 + 4y^3 - 7y^3 - x^2 gives 2x^2 - 3y^3.

Multiplying 2x+3 by x^2-4x+5 yields 2x^3 - 8x^2 + 10x + 3x^2 - 12x + 15.

Factoring completely 4x^2 - 16 gives 4(x^2 - 4), which can be further factored to 4(x + 2)(x - 2).

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The shortest length possible in the given question is 4.0×\(10^{-10}\) cm .

Distance is measured by length. The quantity of length has the dimension of distance in the International System of Quantities. Most measurement systems choose a base unit for length from which all other units are derived. The metre serves as the fundamental unit of length in the International System of Units.

Most people interpret length to mean an object's longest dimension. Nevertheless, depending on the object's position, this is not always the case.

There are several terms for the length of a fixed object, including height, which is also known as vertical length or vertical extent, and width, breadth, or depth. When a base exists from which vertical measurements can be taken, height is used.

Nanometer(nm)- In the International System of Units (SI), a nanometer (American spelling) is a unit of length that is equal to 1000 picometres and one billionth (short scale) of a meter (0.000000001 m).

now , for find the shortest length we can covert all the given units into centimeter,

1 pm = \((10)^{-10}\) cm

1 nm = \((10)^{-7}\) cm

1 m =  100 cm

we have , 400 pm = 4× \((10)^{-8}\) cm

                4.0 nm  =  4 × \((10)^{-7}\) cm

      4.0 x \((10)^{-4}\)m = 4 × \((10)^{-2}\) cm

and   4.0 x \((10)^{-10}\) cm

hence , clearly it is shown that shortest length is 4.0 x \((10)^{-10}\) cm .

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The relation R defined by m R n ⇔ m + n is odd is not reflexive, symmetric, and antisymmetric, but it is antisymmetric and transitive.

A relation R on a set A is said to be reflexive, if for all a ∈ A, aRa.

It is symmetric if, for all a, b ∈ A, aRb, then bRa.

It is antisymmetric if, for all a, b ∈ A, if aRb and bRa, then a = b.

It is transitive if, for all a, b, c ∈ A, if aRb and bRc, then aRc.

Finally, it is irreflexive if, for all a ∈ A, aRa is false.

Let us consider m + n = 2k + 1, where k is an integer. m + n can be written as

m + n = 2k + 1 = (2k + 1) + 0.

Clearly, m and n must have opposite parity; one of them is odd, and the other is even, in order for m + n to be odd.

This suggests that if we add two odd or even numbers, the resulting sum will be even, and if we add an odd and an even number, the resulting sum will be odd.

To prove that the relation is not reflexive, we can consider any even integer and add it to itself. The resulting sum will always be even, and hence, it is not odd.

So, m R m is not true for any even integer m, and, therefore, the relation R is not reflexive.

To show that the relation R is symmetric, consider m + n = 2k + 1.

Adding both sides of this equation gives n + m = 2k + 1. Therefore, n R m is true if m R n is true. So, the relation R is symmetric.

To prove that the relation R is not antisymmetric, consider the integers 2 and 3.

Clearly, 2 + 3 = 5 is odd, so 2 R 3.

However, 3 + 2 = 5 is odd, so 3 R 2.

Since 2 ≠ 3, we see that 2 R 3 and 3 R 2 and (2 ≠ 3), and hence, R is not antisymmetric.

To show that the relation R is transitive, suppose that m R n and n R p. That is, m + n is odd, and n + p is odd.

We need to show that m + p is odd.

Adding the two equations gives

(m + n) + (n + p) = 2k + 1 + 2l + 1,

where k and l are integers.

Simplifying, we get m + p + 2n = 2k + 2l + 2, or m + p = 2(k + l + 1) − 2n.

Since k + l + 1 is an integer, we have that m + p is odd if and only if n is even.

Therefore, the relation R is transitive.

To prove that the relation R is not irreflexive, we can consider any odd integer m and note that m + m = 2m is even.

So, m R m is not false for any odd integer m, and hence, the relation R is not irreflexive.

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Answer:

C

Step-by-step explanation:

Answer:

Step-by-step explanation:

\(3M = 3\left[\begin{array}{ccc}3&2\\0&1\\1&3\end{array}\right]\\\\\\=\left[\begin{array}{cc}3*3&3*2&\\0*3&1*3&\\1*3&3*3&\end{array}\right]\\\\=\left[\begin{array}{cc}9&6&\\0&3&\\3&9&\end{array}\right]\)

\(3M + N = \left[\begin{array}{cc}9+1&6+2&\\0+3&3+4&\\3+5&9+6&\end{array}\right]\\\\\\= \left[\begin{array}{cc}10&8&\\3&7&\\8&15&\end{array}\right]\)

\(3(3M + N) = \left[\begin{array}{cc}3*10&3*8&\\3*3&3*7&\\8*3&15*3&\end{array}\right]\\\\\\=\left[\begin{array}{cc}30&24&\\9&21&\\24&45&\end{array}\right]\)

Answer:

-5

Step-by-step explanation:

Answer: -5

Answer if it is multiplication: 1.5555...(If it is additon don't pay attention to this answer)

Step-by-step explanation: -9 + -5 = -14.

The coordinates of K' are (-2, 3) and the coordinates of M' are (-4, 1)

What are the coordinates of K'?

The graph represents the given parameter

On the graph, we have the following coordinates for point K

K = (4, 1)

The transformation vector is given as

[-6]

[2]

The transformation vector implies that

(x, y) = (x - 6, y + 2)

So, we have

K' = (4 - 6, 1 + 2)

Evaluate

K' = (-2, 3)

Hence, the coordinates of K' are (-2, 3)

What are the coordinates of M'?

The graph represents the given parameter

On the graph, we have the following coordinates for point M

M = (2, -1)

The transformation vector is given as

[-6]

[2]

The transformation vector implies that

(x, y) = (x - 6, y + 2)

So, we have

M' = (2 - 6, -1 + 2)

Evaluate

M' = (-4, 1)

Hence, the coordinates of M' are (-4, 1)

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Answer:

c

Step-by-step explanation:

yes c

If triangle JKL is reflected across the line x=4, the new vertices of the triangle would be J'(7,-1), K'(6,3), and L'(5,-2).

Answer:

There will be no change

Step-by-step explanation:

The correlation Coefficient is a measure used in regression studies to examine the strength and type of relationship which exists between two variables (dependent and independent). The Coefficient gives a negative and positive values for negative and positive relationships respectively. The correlation Coefficient has no units and hence does not depend on the unit if measurement. Therefore. Changing the unit if measurement of a certain variable, will have no effect on the correlation Coefficient.

The expression for the estimation of the total output of the wheat output in 2015 is 20 × 1.1 × 1.05.

The farm grew 19.8 tons of wheat in 2013. The farms wheat output increased by 9.8% from 2013 to 2014 and by 5.1% from 2014 to 2015.

Therefore, the expression that represent the strategy for estimation of the total output of wheat in 2015 can be represented as follows:

total output of the wheat in 2013 = 20 tons

percentage increase from 2013 to 2014 = 10%

percentage increase from 2014 to 2015 = 5%

Total output in 2014 = 20 + 20 × 0.1 = 20(1 + 0.1) = 20 × 1.1

Total output in 2015 =  20 × 1.1  +  20 × 1.1 × 0.05 = 20 × 1.1 (1 + 0.05)

Finally,

expression for the output in 2015 = 20 × 1.1 × 1.05

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d(sin(y)cos(x))/dx = cos(y)cos(x) * g'(x) - sin(y)sin(x)

To find the derivative d/dx of the function sin(y)cos(x) where y = g(x), we'll use the product rule and chain rule. The product rule states that if you have two functions, u(x) and v(x), then the derivative of their product is given by:

d(uv)/dx = u'(x)v(x) + u(x)v'(x)

Let u(x) = sin(y) and v(x) = cos(x). We need to find the derivatives u'(x) and v'(x). For u'(x), we'll use the chain rule, which states that:

d(u)/dx = du/dy * dy/dx

Since u(x) = sin(y), du/dy = cos(y). And since y = g(x), dy/dx = g'(x). Therefore, u'(x) = cos(y) * g'(x).

Now, for v'(x), we have v(x) = cos(x), so v'(x) = -sin(x).

Now, we can apply the product rule:

d(sin(y)cos(x))/dx = (cos(y) * g'(x)) * cos(x) + sin(y) * (-sin(x))

Simplifying, we get:

d(sin(y)cos(x))/dx = cos(y)cos(x) * g'(x) - sin(y)sin(x)

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The derivative value of a function say f'(x), defined as f(x) = sin y + ycosx, is equals to the g '(x) [ cos(g(x)) + cosx ] - g(x) sinx.

Derivative of a function, in mathematics, is defined as the rate of change of a function with respect to a variable. We have a function say f(x) = six + ycosx , where y = g(x). We have to determine the derivative of f(x). Differentiating the function f(x), \(\frac{ d ( f(x))}{dx} = \frac{ d (siny + y \: cosx)}{dx} \)

Using the linear property of differentiation, \(= \frac{\: d( ycosx)}{dx} + \frac{d(siny)}{dx}\)

\(= cosx \frac{d y}{dx} - y sinx + cosy frac{dy}{dx}\) ( using product rule )

Since, \( \frac{d( f( g(x)))}{dx} = f'( g(x)) g'(x)\) ; (uv)' = u'v + uv'. Now,

=> (cosy) g '(x) + [ g '(x) cosx - g(x) sinx]

=> g '(x) [ cosy + cosx ] - g(x) sinx

Hence, required value is g '(x) [ cos(g(x)) + cosx ] - g(x) sinx.

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Answer:

144π or 452.4

Step-by-step explanation:

Volume of a Sphere Formula: V = 4/3πr³

Step 1: Plug in 6 for r

V = 4/3π(6)³

V = 288π

Step 2: Divide by 2

V = 288π/2

V = 144π