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Answer:

[tex]x=70[/tex]

General Formulas and Concepts:

Pre-Alg

Step-by-step explanation:

Step 1: Define equation

[tex]\frac{0.35}{\frac{2}{3}x } =\frac{0.45}{x-10}[/tex]

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

Answer:

70

Step-by-step explanation:

Cross multiply. 0.3x=0.35x-3.5. Subtract 0.35x to get -0.05x=-3.5. Multiply by -1 to get 0.05x=3.5. And (5/100)x=7/2. Divide by 5/100 to get 700/10=70.

Answer:

Step-by-step explanation:

1 min= 20%+5%=25%

Therefore 2 min = 25%+5%=30%

3 min=30%+5%=35%

4min =40% therefore your coodinates will be like(1,25),(2,30),(3,35),(4,40) etc

Answer:

24

Step-by-step explanat

Answer:

The answer is 25:1

Step-by-step explanation:

Answer: true

Step-by-step explanation:

The x column does not have any repeats

Answer:

False!

Step-by-step explanation:

It looks true until the last row. The first 4 rows, if you multiply the # of trees by 13, you get the # of apples. But, in the last row, 12 x 13 is 156, and the table says 146.

Answer: The correct option is option (B) 1.08(0.87y).

Step-by-step explanation:

The answer is B

100% - 13% = 87% or .87

Tax is 8% or .08

Total cost would be 1 + .08 x .87

or 1.08(0.87y)

Here is how to find the equation of the line using point-slope form

Formula for the equation of a line in point-slope form: y - y₁ = m(x - x₁)

Now that we have the formula, we plug in what we are given.

y - 9 = 4(x + 3)

We can covert this into slope-intercept form by solving for y.

[tex]y - 9 = 4(x + 3)\\\\y - 9 = 4x + 12\\\\y = 4x + 21[/tex]

Our equation for this line is: y = 4x + 21.

We can prove this by graphing the line, like so:

Answer: in a region with a letter

Step-by-step explanation:

we cannot predict for sure what will happen when we plot the random point.

Answer:

A certain answer would be  in a region with a letter

Step-by-step explanation:

All the sections have letters so, no matter what letter, the point would land in a section with a letter.

Answer:

x = 10/27

General Formulas and Concepts:

Pre-Algebra

Step-by-step explanation:

Step 1: Define equation

9/5x = 2/3

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

And we have our final answer!

Answer:

x = 10/27

Step-by-step explanation:

2/3 ÷ 9/5

2/3 x 5/9 = 10/27

Answer:

[tex]f(x)=4x^3+44x^2+136x+96[/tex]

Step-by-step explanation:

Polynomials

It's possible to build a polynomial function by knowing its zeros and leading coefficient.

Given the zeros of a third-degree polynomial: x=x1, x=x2, and x=x3, the function is:

[tex]f(x)=a(x-x_1)(x-x_2)(x-x_3)[/tex]

Where a is the leading coefficient.

We are given the zeros -6, -4, and -1, thus:

[tex]f(x)=a(x+6)(x+4)(x+1)[/tex]

The value of a can be calculated by substituting the point (-2,-32):

[tex]a(-2+6)(-2+4)(-2+1)=-32[/tex]

Calculating:

[tex]a(4)(2)(-1)=-32[/tex]

[tex]-8a=-32[/tex]

Dividing by -8:

[tex]a = -32/(-8) =4[/tex]

a = 4.

The polynomial is now complete:

[tex]f(x)=4(x+6)(x+4)(x+1)[/tex]

Operating:

[tex]f(x)=4(x^2+10x+24)(x+1)[/tex]

[tex]f(x)=4(x^3+11x^2+34x+24)[/tex]

[tex]\mathbf{f(x)=4x^3+44x^2+136x+96}[/tex]

2500

1,000 divided by 2/5 is 2,500

Answer:

[tex]m=50[/tex]

General Formulas and Concepts:

Pre-Alg

Algebra I

Step-by-step explanation:

Step 1: Define

Point (40, 3000)

Point (60, 4000)

Step 2: Find slope m

According to the Truth in Lending Act, which of the following is the bank NOT obligated to inform you of is:  A. Interest calculating method.

Truth in lending acts is an acts that enables lenders to disclose in  utmost truth  the terms and condition of the loans they offers including all the important or necessary information that a borrower  is expected to know.

The truth in lending acts obligate banks or lenders to inform their borrowers about the following:

Therefore the correct option is A.

Learn more about Truth in lending acts here:https://brainly.com/question/2492099

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Answer:

56.52

Step-by-step explanation:

Here, r = 9 is given

Then, The Formula of Circumference of Cirlcle

= 2πr

= 2 × 3.14 × 9 = 56.52

Thus, The Circumference of Cirlcle is 56.52

Answer:

3/4

Step-by-step explanation:

Divide both numerator and denominator by 5:

3/4

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First we need to find the distance between two points which is the diameter of the circle .

_________________________________

Suppose :

a = ( - 4 , 8 )

b = ( 4 , - 4 )

We have following equation to find the distance between two points.

[tex]distance = diameter = d[/tex]

[tex]d = \sqrt{ ( \: {y(b) - y(a)} \: )^{2} + ( \: {x(b) - x(a)} \: )^{2} } \\ [/tex]

Now just need to put the coordinates :

[tex]d = \sqrt{ ({ - 4 - 8})^{2} + ( \: {4 - ( - 4)} \: )^{2} } \\ [/tex]

[tex]d = \sqrt{ ({ - 12})^{2} + ({4 + 4})^{2} } [/tex]

[tex]d = \sqrt{ ({ - 12})^{2} + ({8})^{2} } [/tex]

[tex]d = \sqrt{144 + 64} [/tex]

[tex]d = \sqrt{208} [/tex]

[tex]d = \sqrt{4 \times 52} [/tex]

[tex]d = \sqrt{4 \times 4 \times 13} [/tex]

[tex]d = \sqrt{ {4}^{2} \times 13 } [/tex]

[tex]d = 4 \sqrt{13} [/tex]

This is the diameter of the circle.

We know that :

[tex]diameter = 2 \times radius[/tex]

So :

[tex]4 \sqrt{13} = 2 \times radius[/tex]

Divide sides by 2

[tex] \frac{4 \sqrt{13} }{2} = \frac{2 \times radius}{2} \\ [/tex]

[tex]2 \sqrt{13} = radius[/tex]

Remember it.

_________________________________

To find the equation of the circle except the radius , we need the coordinates of the centre.

The midpoint of the diameter is the centre of the circle .

So we have to find the midpoint of the diameter .

Look :

[tex]midpoint = center = o[/tex]

[tex]o = ( \: \frac{x(a) + x(b)}{2} \: , \: \frac{y(a) + y(b)}{2} \: ) \\ [/tex]

[tex]o = ( \: \frac{ - 4 + 4}{2} \: , \: \frac{8 - 4}{2} ) \\ [/tex]

[tex]o = ( \: \frac{0}{2} \: , \: \frac{4}{2} \: ) \\ [/tex]

[tex]o = ( \: 0 \: , \: 2 \: )[/tex]

This the coordinates of the centre.

_________________________________

Equation of the circle has a form like this :

[tex]( {x - m})^{2} + ({y - n})^{2} = {r}^{2} [/tex]

In which :

[tex]m = x - coordinate \: \: of \: \: the \: \: center \\ [/tex]

[tex]n = y - coordinate \: \: of \: \: the \: \: center \\ [/tex]

[tex]r = radius[/tex]

_________________________________

[tex]o = ( \: 0 \: , \: 2 \: )[/tex]

[tex]radius = 2 \sqrt{13} [/tex]

Thus :

[tex] ({x - 0})^{2} + ({y - 2})^{2} = ({2 \sqrt{13} })^{2} \\ [/tex]

[tex] {x}^{2} + ({y - 2})^{2} = 4 \times 13[/tex]

[tex] {x}^{2} + ({y - 2})^{2} = 52 [/tex]

This is the equation of the circle .

And we're done....

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Answer:

A gallon of water is approximately 8.3 pounds. 8.3*15=124.5

So the weight of 15 gallons of water is 124.5 pounds.

Answer:

A gallon of water weighs approx. 8.34 lbs. so 15 gallons would be, let me see, 18.34 equals, 125.10 lbs. Therefore the weight of 15 gallons of water would be 125.20 lbs

Step-by-step explanation:

Answer:

I have negative points I need this

Step-by-step explanation:

Answer:

2x2+ 4 The area is 4 in

Step-by-step explanation:

Answer:

C (10×4) ÷ 2

Step-by-step explanation:

C is the answer because if you do an equation,

10 multiplied by 4 (10×4)

Then, she wants to share the dolls equally for her brother

This means that you have to multi[ly 4 by 10, so you get 40. If she shares the dolls equally with her brother, she will give him 20 and keep 20 for herself.

C provides the correct answer with 20. 40/2 is 20

Answer:

molecues

Step-by-step explanation:

molecues

Answer:

Organ System, and organ system is a group of organs that work together to accomplish a goal. An example of this would the the Digestive system, this is a organ system made up of may organs such as your large and small intestine and stomach in order to complete your digestive track.

Answer:

Three cups of sugar

Step-by-step explanation:

just times 1 1/2 by 2

Answer:

3

Step-by-step explanation:

Answer:

$6.00

Step-by-step explanation:

2(1.75)+2.50=6

Answer:

I think 2+2=4

Step-by-step explanation:

20+2=22 tho

Answer: no

Step-by-step explanation:

2+2= 4

20+2=22

But u can’t get put 2+2 and say 22. Unless it’s 11(2) =22

Answer and Step-by-step explanation:

Solution:

Given:

A, B and C are sets.

We have to prove that:

(A − B) ∩ (C − B) = (A ∩ C) − B.

Use an element x,

Let x Є (A – B), by the definition of difference:

X Є A  and x ∉ B.

And

X Є A ∩ C and x ∉ B

X Є (A ∩ C) – B

Now let x Є C – B

By the definition of difference:

X Є C and x ∉ B

By definition of intersection: x Є C and x Є( A ∩ C)  

By definition of difference, using that x Є(A ∩ C) And x  ∉ B:

X Є ( A ∩ C) – B

We know that: x Є (A – B) ∩ ( C – B)

Is equivalent to x Є A – B  and x Є C – B

So, ( x Є A and x ∉ B)

And (x Є C and x  ∉  B)

From this we know that x Є (A ∩ C) – B.

Answer:

3/4

Step-by-step explanation:

Answer:

3/4

Step-by-step explanation:

both the numerator and denominator can be divided by 2

6/2=3

8/2=4

so 6/8 in lowest terms is 3/4

Answer:

$11.52

Step-by-step explanation:

16 * .2 = 3.2

16 - 3.2 = 12.8

12.8 * .1 = 1.28

12.8 - 1.28 = $11.52

Take the given amount and take 20% off using the first 2 solutions, then take the "successive" discount of 10% using the second 2 solutions to get the final sale price

Answer:

Root form

Step-by-step explanation:

If this is precalculus or Algebra 2, then this should be root form

Answer:

factorised form