Jaime adds equations A and B to solve this system of equations. Why is this method
generally valid for solving a system of equations?

The function of the given data would be F(x) = y = 4x.

The function is a type of relation, or rule, that maps one input to specific single output.

Given;

X(input)    Y ( output)

0                0

1                  4

2                  8

3                 12

We can see that

When the input is zero the output is also zero.

And when the input is some real number the output gives the multiple of 4.

Thus, The function could be

f(x) = 4x

The given function is represented by x as the independent variable.

Therefore, The function of the given data would be F(x) = y = 4x.

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The KiwiCo earn money from subscriptions in April would be $5555.73.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

KiwiCo charges a subscription fee of $16.99 for each of its members.

$16.99 per 1 person

KiwiCo had 300 subscribers in March.

In April, 50 new people subscribed to KiwiCo, and 23 people canceled their subscriptions.

300 + 50 = 350 - 23 = 327

So,

327×$16.99= 5555.73

Hence, The KiwiCo earn money from subscriptions in April would be $5555.73.

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Answer:

Step-by-step explanation:

See attached graph.

Answer:

Step-by-step explanation:

2,816 lol

Answer:

The translation is [tex]X+0[/tex]

Step-by-step explanation:

A translation means the transformation that moves every point in a figure at the same distance in the same direction.

The translation can be described using words like moved up 3 and over 5 to the left or with the notation.

As for the given, there can be no rule described. so the translation is [tex]X+0[/tex]

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The translation is [tex]X+0[/tex]

A translation means the transformation that moves every point in a figure at the same distance in the same direction.

The translation can be described using words like moved up 3 and over 5 to the left or with the notation.

As for the given, there can be no rule described. so the translation is[tex]X+0[/tex]

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The profit from selling 30 designer cakes in a single month is; $2130.

It follows from the task content that the income function as given is; d(x) = 125 × a.

Hence, when 30 designer cakes are sold, thee income is; 125 × 30 = 3750$.

The profit which is a function of the income y is given as; p (y) = y - 1620.

On this note, if follows that the profit is; p (y) = 3750 - 1620 = $2130.

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Answer:

[tex]\large\boxed{\sf n^2 \ log \ x }[/tex]

Step-by-step explanation:

Given that ,

[tex]\longrightarrow \log \ x + \log\ x^3 + \log \ x^5\ \dots + \log x^{2n-1} [/tex]

As we know that , [tex] \log x^n = n \log x [/tex] , therefore ;

[tex]\longrightarrow \log x + 3\log x + 5\log_x +\dots + (2n-1)\log x [/tex]

Take out log x as common ;

[tex]\longrightarrow \log x ( 1 + 3+5+...+(2n-1))[/tex]

The terms inside the brackets are the sum of first n odd numbers . And we know that the sum of first n odd numbers in n² . Therefore ;

[tex]\longrightarrow \log x (n^2) \\[/tex]

[tex]\longrightarrow \underline{\underline{\red{{ n^2\log x }}}}[/tex]

Option c is correct!

The coordinate of the point P will be (6/5, -7/5). Then the correct option is C.

The complete question is attached below.

Let A (x₁, y₁) and B (x₂, y₂) be a line segment. Then the point P (x, y) divide the line segment in the ratio of m:n. Then we have

x = (mx₂ + nx₁) / (m + n)

y = (my₂ + ny₁) / (m + n)

Given the points X(-2, 5) and Y(2, -3).

Then the coordinates of the point P on directed line segment XY that partitions segment XY such that the ratio of XP to PY is 4:1.

(x₁, y₁) = (-2, 5)

(x₂, y₂) = (2, -3)

m = 4

n = 1

Then the point will be

x = [4 × 2 + 1 × (-2)] / (4 + 1)

x = 6 / 5

y = [4 × (-3) + 1 × 5] / (4 + 1)

y = -7 / 5

The coordinate of the point P will be (6/5, -7/5).

Then the correct option is C.

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Answer:

150.04

Step-by-step explanation:

144.12

5.92

+ 150.04

Answer:

£40

Step-by-step explanation:

sum the parts of the ratio, 2 + 5 = 7 parts

divide the amount by 7 to find the value of one part of the ratio.

£56 ÷ 7 = £8 , then

5 parts = 5 × £8 = £40 ← amount Georgia gets

Out of £56, the money received by Georgia is equivalent to $40.

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

Given is Gary and Georgia who split £56 in the ratio 2:5.

There are total of 7 parts. This means that £56 is divided equally among the seven parts. Assume that the one part is equivalent to x. Then the cost of 7 parts = 7x. From the question, we can write -

7x = 56

x = 8

Georgia has 5 parts, therefore the money received by Georgia will be = 5 x 8 = 40

Therefore, out of £56, the money received by Georgia is equivalent to $40.

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The probability of selecting a person with a name that starts with S or a boy is [tex]\frac{5}{8}[/tex]

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates the impossibility of the event and 1 indicates certainty.

Given that, a club consists of 5 girls (Kirsten, Sarah, Suzie, Monica, and Katie) and 3 boys (Kevin, Steve and Samuel)

To find P(S-name U Boy), that is the probability of selecting a person whose name starts with S or boy.

n(S-name U Boy) = 5   {2 girls (Sarah, Suzie), 3 boys( Kevin, Steve and Samuel )}

Number of favourable outcomes=5

Total number of outcomes=5+3=8

P(S-name U Boy) [tex]=\frac{Number of favourable outcomes}{Total number of outcomes}[/tex]

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

Therefore, the probability of selecting a person with a name that starts with S or a boy is [tex]\frac{5}{8}[/tex].

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Answer:

C (The third answer). The square root of terms separated by addition and subtraction cannot be calculated individually.

Step-by-step explanation:

This problem can be thought similarly to: (x-2)²

A common mistake would to make the x squared and the -2 squared like x²+4, however, the problem should be solved like (x-2)(x-2) which equals to: x² - 4x + 4

In this question, if you square root an expression like ±√(b²-4ac), you cannot just take the square root of b² unless it was (b²)(-4ac).

The terms can only be divided individually if they are either multiplied or divided, but cannot if they are added or subtracted.

Answer:

d. The area of an object measures the amount 2-dimensional space it occupies. Volume represents the amount of space inside a 3-dimensional object.

Step-by-step explanation:

The difference between area and volume...

A. INCORRECT,

B. INCORRECT,

C. INCORRECT,

D. CORRECT,  

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Answer:

5sqrt3

Step-by-step explanation:

You can use trigonometry to figure out the answer

TOA is tan(any angle) = opposite/adjacent

Tan(30) = 5/x

tan(30) = sqrt3/3

x = tan inverse (30) multiplied by 5

x = 5sqrt3

The number of goats sold is 4 and hens sold is 8.

An equation is a mathematical statement which equates two algebraic expression with an equal sign.

Let the total number of goats sold be g

Let the total number of hens sold is h

g + h = 12

The total no. of legs of a goats sold will be 4g

and the total number of legs of a hens sold will be 2h

and it is given that

4g +2h = 32

The system of equation formed is

g + h = 12

4g +2h = 32

Multiplying equation (1) by 2 and then (1) - (2)

-2g = -8

g = 4

Therefore the number of goats sold is 4 and hens sold is 8.

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Answer:

19

Step-by-step explanation:

A triangle is a three-edged polygon with three vertices. ΔAKE and ΔCKP are congruent.

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angle of a triangle is always equal to 180°.

In ΔABC, since AB≅BC, therefore, the triangle will be an isosceles triangle, and the measure of ∠A ≅ ∠C, using the base angle theorem.

Now In ΔAKE and ΔCKP,

∠A ≅ ∠C {Proved above}

∠AKE ≅ ∠CKP {Given}

AK ≅ KC {Given }

Since two angles and a side of the triangle are equal, therefore, we can write the two triangle are congruent using the Side-angle-side or Angle-Side-Angle congruence.

Hence, ΔAKE and ΔCKP are congruent.

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Answer:

63

Step-by-step explanation:

180 - 117 = 63 which is used to figure out angle 2.

Angle 2 and angle 3 are corresponding angles thus the measure of angle 3 is 63 degrees.

Answer:

Search up online

Step-by-step explanation:

i don't actually know but searching online is good

The graph first represents the provided piecewise function option first is correct.

The graph of a piecewise function contains numerous curve components. It signifies that it has a plethora of definitions based on the value of the input. In other words, a piecewise function behaves differently depending on the input.

We have a piecewise function shown in the picture.

[tex]\rm y=\left\{x\le-2:\sqrt{-x-2}\right\}[/tex]

[tex]\rm y=\left\{-2 < x < 1:\dfrac{x}{x^{2}+x-2}\right\}[/tex]

[tex]\rm y=\left\{x\ge1:\log_{2}\left(x+1\right)\right\}[/tex]

After plotting all the pieces of a function on the coordinate plane we will get a graph the same as shown in the first option.

Thus, the graph first represents the provided piecewise function option first is correct.

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Answer:

1

Step-by-step explanation:

Via calculator inputs.....

Answer:

17

Step-by-step explanation:

5x+5x+10=180

10x=170

x=17

Answer:

Answer is 17

Step-by-step explanation:

It is done in this step

5x +5x+10=180

10x=170

x=17

Answer:

a] 38.5$
b] 118.71$

Step-by-step explanation:

A)35$ was increased by 10%
So:
10% of 35$
10/100 x 35 ($)
3.5$
So 35$ was increased by 3.5$ and the new price is 38.5$
B)105.99$ was increased by 12%
So:
12% of 105.99$
12/100 x 105.99$
=12.7188$
Let's round it to the nearest hundredths:
12.72$

So 105.99$ was increased by 12.72$ and the new price is 118.71$

HOPE IT HELPS :D
Tip: "of" means multiplication in Maths.

Answer:

Should be C

Step-by-step explanation:

Only the same power number can be use to add or subtract :)

But why is A, B and C same kinda stuff?

Answer:

s = 6 cm

Step-by-step explanation:

the area (A) of a square is calculated as

A = s² ( s is the side length )

given A = 36 , then

s² = 36 ( take square root of both sides )

s = [tex]\sqrt{36}[/tex] = 6

x = 14 and  x = -2

===========================================

Work Shown:

[tex]|x-6| = 8\\\\x-6 = 8 \ \text{ or } \ x-6 = -8\\\\x = 8+6 \ \text{ or } \ x = -8+6\\\\x = 14 \ \text{ or } \ x = -2\\\\[/tex]

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

Checking the answer x = 14

[tex]|x-6| = 8\\\\|14-6| = 8\\\\|8| = 8\\\\8 = 8\\\\[/tex]

That solution is confirmed.

Repeat for x = -2

[tex]|x-6| = 8\\\\|-2-6| = 8\\\\|-8| = 8\\\\8 = 8\\\\[/tex]

The second solution is confirmed.

Answer: A. x = 14, x = -2

Step-by-step explanation:

|x-6| = 8

this means x = 6+8 and x = 6-8

therefore, x = 14, x = -2

Answer:

r(x)= 11x

c(x) = 6x + 20

p(x) = r(x) - c(x)

= 11x -( 6x + 20)

= 11x - 6x - 20

= 5x - 20

Answer:

i think is the third one