What is the equation of a line through the points (0,9) and (3,0)?

Answer:

(1, 0), (2, 0), and (-3, 0)

Step-by-step explanation:

The x intercepts  are where it crosses the x axis.  It crosses at (-3,0), (1,0) and (2,0)

The answer is C , because the ends of the line are going from negative infinity to positive infinity

Answer:

2827.43in²

Step-by-step explanation:

formula for area of a circle is r²π with r being the radius (30 in this case)

we can plug in 30 for r to solve for the area

30²π

900π

2827.43

that is the answer

- kan academy advance

Answer:

X= 1/2 Y= 5

Step-by-step explanation:

8x+7y=39-------------(1)--------×2

4x-14y= -68-----------(2)-------×1

16X + 14Y = 78--------(3)

4X- 14Y = -68----------(4)

Addy equation (4) and (3)

20X = 10

dividing bothsides by 20

20X/20= 10/20

X = 1/2

substitute the value of X into equation (1)

8X+7Y = 39

8(1/2)+7Y= 39

4+7Y = 39

7Y = 39-4

7Y = 35

dividing bothsides 7

7Y= 35/7

Y = 5

Answer:

y = 28 - x

Step-by-step explanation:

The variable x represents how many buttons Paula had before giving 28 away and the variable y represents how many buttons she has now.

Answer:

y = 5/2 x

Step-by-step explanation:

y varies directly with x meaning this equation : y=kx

you plug in the information given

10 = k(4) and then solve ... k = 10/4 which simplifies to 5/2

substitute 3 in X's place

-2x + 5 = -2(3) + 5 = -6 + 5 = -1

hope it helps...!!!

Using it's concept, it is found that the median for the data given in the graph is given by:

B) $48

The median of a data-set is the value that separates the bottom 50% from the upper 50% of values.

In this problem, the graph has 16 values, already ordered. It is an even number, hence the median is the mean of the 8th and the 9th values, which considering the key are both 48, hence the median is of $48 and option B is correct.

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Answer:

B) $48

Step-by-step explanation:

Answer:

C. 15, 25, 35, 45, 55

Step-by-step explanation:

Each number in A, B, and D are double the previous number but C adds 10.

Answer:

height of a cylinder = V/ πr2. = 5.002 units.

Step-by-step explanation:

correct me if i wrong

The equation that can be used to find the value of the poster after x years is y = 18(1.15)^x.

The formula for calculating future value:

FV = P (1 + r)^n

Where:

y =  18(1.15)^x.

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Organic compounds are commonly found in living things.

Organic compounds contain carbon.

Organic compounds are found in food.

Organic compounds are defined as compounds that consist of groups of carbon atoms covalently bonded to hydrogen, oxygen, and sometimes other elements too.

Now, organic compounds are created by living things and so they are found throughout the world, in soils and seas, commercial products, and every cell of the human body.

Looking at the options and comparing to the definition above, only options A, C and E are correct.

The missing options are;

Organic compounds are commonly found in living things.

Organic compounds are not associated with or made from living things.

Organic compounds contain carbon.

Organic compounds usually lack carbon.

Organic compounds are found in food.

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Answer:

See below ~

Step-by-step explanation:

We need to represent the situations as inequalities.

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

Students can work no more than 23 hours per week

⇒ Let the hours per week be x

⇒ 'no more than' refers to less than or equal to (≤)

⇒ x ≤ 23

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

Tutors are required to spend at least 2 hours per week

⇒ At least refers to greater than or equal to (≥)

⇒ x ≥ 2

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

Tutors should spend no more than 7 hours per week

⇒ As mentioned before, no more than refers to less than or equal to (≤)

⇒ x ≤ 7

ae need inequalities

#1

No more than means maximum

#2

At least means minimum

#3

No more than is maximum

h≤7

Answer:

1/8

Step-by-step explanation:

you divide 1 by 8 which is 1/8.

The number of schools have participated for 1 year or less are below the first quartile, which is: A. 6 schools.

The first quartile marks the 25th data point of a data distribution (1/4) and is represented at the beginning of the edge of the rectangular box in a box plot.

Using the box plot given, 1 year is the first quartile mark on the box plot. So, the schools that participated for 1 year or less is 1/4 of the total schools. That is:

1/4 × 24 = 6 schools.

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[tex]y^{-8} y^3 x^0 x^{-2}[/tex] is equivalent to [tex]y ^{-5} x ^{-2}\\[/tex].

Usually, simplification involves proceeding with the pending operations in the expression.

Simplification usually involves making the expression simple and easy to use later.

Given;

[tex]y^{-8} y^3 x^0 x^{-2}[/tex]

Simplify

[tex]y^{-8} y^3 x^0 x^{-2}\\\\y ^{-8+3} x ^{0-2}\\ \\y ^{-5} x ^{-2}\\[/tex]

Hence, [tex]y^{-8} y^3 x^0 x^{-2}[/tex] is equivalent to [tex]y ^{-5} x ^{-2}\\[/tex].

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Automobile insurance with the split limits 200/300/400 will cover up to $200,000 in bodily injury per person.

This is a form of protection from financial loss and is used as a means of risk management.

$200,000 medical bodily injury coverage per person, $300,000 bodily injury coverage for the entire accident and $400,000 total property damage limits.

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Answer: "It’s the kind of breath you will see a small baby take. A natural, inaudible inhalation that makes the belly rise and fall gently as you inhale and exhale. The diaphragm is the main breathing muscle"

Step-by-step explanation:

[tex]\dfrac{|AE|}{|AD|}=\dfrac{|AB|}{|AC|}[/tex]

Therefore:
[tex]\dfrac{10}{10+8}=\dfrac{x}{10}\\\\\dfrac{10}{18}=\dfrac{x}{10}\\\\18x=100\\x=\dfrac{100}{18}=5.555\ldots=5.\overline{5}[/tex]

So, none of the choices are correct (5.5 is an approximation).

Answer:

6√x

Step-by-step explanation:

9√x - 3√x = 6√x

If these coordinates reflected over y = -1, the resulting coordinate will be:

P = (-4, -6)

Q = (-2,-8)

R = (1, -4)

A reflected coordinates are mirror images of each other. From the given diagram, the coordinate points are;

P = (-4, -3)

Q = (-2,-4)

R = (1, -2)

If these coordinates reflected over y = -1, the resulting coordinate will be:

P = (-4, -6)

Q = (-2,-8)

R = (1, -4)

The y coordinates are multiplied by a factor of 2

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Answer: 35

Step-by-step explanation:

Angles in a triangle add to 180 degrees, so in triangle ABC, [tex]m\angle C=180-103-42=35^{\circ}[/tex].

Sp, by the corresponding angles theorem, x=35

Check the picture below.

Answer:

my bro you gotta put the table down

Step-by-step explanation:

The complete question is

"Which values of x and y would make the following expression represent a real number? (4 + 5i)(x + yi)"

The value of x and y are all points that satisfy the equation would be,(4,-5).

Use the distributive property to simplify the expression.

The given expression is,

(4 + 5i)(x + yi)

4(x + yi)+ 5i (x + yi)

4x + 4yi + 5xi + 5yi^2

We know that i^2 = -1

4x + 4yi + 5xi - 5y

(4x - 5y) +i (  4y + 5x)

In x+iy, x is the real part and y is the imaginary part.

If the given expression represents a real number it means the imaginary part must be zero.

4y + 5x= 0

All the points which satisfy the above equation are the values of x and y for which the given expression is a real number.

For eg. (4,-5)

4y + 5x

4(-5) + 5(4)

= 0

LHS=RHS, which means the point satisfies the equation and the value of x and y are (4,-5).

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Answer:

x = 4, y = -5 or the 3rd option

Step-by-step explanation:

just took the test

Answer

9.2 units

Step-by-step explanation:

A(-2,-2) and B(4,4) then the length is given by the distance formula

length = [tex]\sqrt{(4-(-2))^{2}+(4-(-3))^{2} }[/tex] units

           = [tex]\sqrt{6^{2}+7^{2} }[/tex] units

           = [tex]\sqrt{85\\[/tex] units

           = 9.2 units          

Answer:

AB ≈ 9.2 units

Step-by-step explanation:

calculate the length using the distance formula

d = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

with (x₁, y₁ ) = A (- 2, - 3 ) and (x₂, y₂ ) = B (4, 4 )

AB = [tex]\sqrt{(4-(-2))^2+(4-(-3))^2}[/tex]

     = [tex]\sqrt{(4+2)^2+(4+3)^2}[/tex]

     = [tex]\sqrt{6^2+7^2}[/tex]

     = [tex]\sqrt{36+49}[/tex]

     = [tex]\sqrt{85}[/tex]

     ≈ 9.2 units ( to the nearest tenth )

Answer:

The median is 11.

Explanation:

Add the middle values to calculate the mean, then divide this by 2. That gives you 11.