Mathematics High School

Identify the range of the function y=-3x+6 when the domain is {-1,2,4}
A. {-6,0,9}
B. {-9}
C. {3,-12,-18}
D. {-3,12}
E. {-6,9}

Answers

Answer 1

When the domain is {-1,2,4} , the range of the function y =-3x+6 is {-6,0,9}

Given,

The function y= -3x+6

The domain of the function is the complete set of all possible input for the function.

The domain = {-1,2,4}

The range of the function is the complete set of all possible output for the function.

Substitute the values in the function

f(-1)= -3×-1+6

=3+6

= 9

f(2)= -3×2+6

=-6+6

= 0

f(4)= -3×4+6

=-12+6

=-6

So, -6,0 and 9 the possible output of the function y= -3x+6

The range of the function y= -3x+6 is  {-6,0,9}

Hence, When the domain is {-1,2,4} , the range of the function y =-3x+6 is {-6,0,9}

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D=1 I hope this helps!!

What is the sum of 3x² - x -2 and x² + 2x - 1?

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Line the equations up based on their common factor. Keep in mind the X has an understood 1 in front of it if there is no coefficient. So, X = (1)X. Add them up as shown in the picture.

3x^2 + (1)x^2 = 4x^2

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Final answer= 4x^2 + x - 3

Answer:

Step-by-step explanation:

We can combine like terms in order to find this sum: 3x^2 + x^2 +2x -x -2-1= 2x^2 +x -3.

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Answer:

where is the question, lady?

Answer:

Where is the question??

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What was an important impact of the Louisiana Purchase?


A. The land size of the United States was doubled and vast new resources were acquired.


B. The United States was pushed into a long, costly war with the Indian tribes in the territory.


C. The United States became a major world power rivaling Great Britain in wealth and influence.


D. The people of the United States began an immediate land rush into the territory to form new states.

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I think the answer is A because it I'm right it did double the size.

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Choose one of the following.

Parallel lines have ____________________.

A. one solution
B. 10 solutions
C. infinitely many solutions
D. no solution

Answers

D. no solution

Because they never found each other, the point they cross on is the solution.

Answer: D

Step-by-step explanation: it just is

Look at the expression below.
5(x + 7)^1/3
Which of the following best describes the expression?
O the third power of the product of 5 and (x + 7)
O the product of 5 and the cube root of (x + 7)
the product of 5 and the third power of (x + 7)
O the cube root of the product of 5 and (x + 7)

Answers

Answer:

the product of 5 and the Cubic root of ( X+7)

A customer purchased a total of 12 coats and sweaters. Each coat cost $20.00 and each sweater cost $13.50. The customer spent $207.50 all together.

How many coats did the customer buy?

Answers

Answer:

7 coats

Step-by-step explanation:

they purchased 7 coats and 5 sweaters

!!!!!!!HELP!!!!!!!
A teacher chooses a student at random from a class of 18 boys and 15 girls. Find the odds in favor of, and the odds against, each event.

14. choosing a girl

15. choosing a boy

Answers

Odds in favor of 14) 15/33
Odds against 14) 18/33
Odds in favor of 15) 18/33
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Answer:

(5, 6)

Step-by-step explanation:

We can first find the midpoint by adding the two y values and dividing them by 2

3 + 9 = 12. 12/2 is 6. (2, 6) is the midpoint.

2 units to the right is on the x value, so 2+3 is 5. Put it all together and;

(5, 6)

What is 16 percent of 4?

Answers

Answer:

0.64

Step-by-step explanation:

% besically means out of 100 so:

16/100 times 4

64/100

0.64

16 percent of 4 is 0.64

2х - Зу = 32
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solve the system of equations

Answers

Answer: x=68/11 and y=-72/11


Steps:

2(x+4y=-20)

2x+8y=-40

2x - 3y = 32
- 2x + 8y = -40

-11y=72

y=-72/11


x + 4(-72/11) = -20

x - 288/11 = -20

x=68/11

Look at the figure. If m m J
M
L
Note: This figure is not drawn to scale.

a. 35
b. 90
c. 55
d. 70

Answers

The measure of the angle m∠J is  35°.

An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are in the plane where the rays are located.

Consider the triangle KJL,

The line KM is perpendicular to the line JL and M is the midpoint of the line JL.

Therefore, the angle KMJ will be equal to 90°.

Now, we have the angle KJM is equal to 55°.

We know the sum of all interior angles of a triangle is 180°.

So,

In triangle JKM,

∠JKM + ∠KJM + ∠KMJ = 180°

∠JKM + 55° + 90° = 180°

Subtracting 90° from each side of the equation.

∠JKM + 55° + 90° - 90° = 180° - 90°

∠JKM + 55° = 90°

Subtracting 55° from each side of the equation.

∠JKM + 55° - 55° = 90° - 55°

∠JKM = 35°

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What is the image of the point (-1,-3) after a rotation of 90 ∘ counterclockwise about the origin?

Answers

Answer:

(-3,1)

Step-by-step explanation:

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Answer:

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Answer:

350

Step-by-step explanation:

Answer:35

Step-by-step explanation:

y = -4× - 5
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Answer:

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Step-by-step explanation:

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What is the question for this?

What is the solution to the equation –3.5(x + 12) = –2x + 18?

Answers

Answer:

x = -4.36364

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

3.5(x + 12) = -2x + 18

Step 2: Solve for x

Distribute 3.5:                    3.5x + 42 = -2x + 18Add 2x on both sides:       5.5x + 42 = 18Isolate x term:                    5.5x = -24Isolate x:                             x = -4.36364

Answer:

The answer I arrived at was x = -4.364

Step-by-step explanation:

3.5(x + 12) = -2x + 18

=> multiply 3.5 by everything in parenthesis

3.5x + 42 = -2x + 18

=> subtract 18 from both sides

3.5x + 24 = -2x

=> subtract 3.5x from both sides

24 = -5.5x

=> divide both sides by -5.5

-4.364 = x

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Answers

Answer:

5(7-1.8)=26

Step-by-step explanation:

Correct option is A)
Let two numbers be x & y
x−y=26 ____ (1)
x=3y ____ (2)

substituting (2) in (1) we get
3y−y−26
2y=26
y=13
x=3y from (2)
x=3×13
x=39
we need to find sum of two numbers
x+y=39+13
=52

if there is a matrix, which is 3x8, and 3 columns are linear dependent, then can it be full rank? if not, what rank is it?

Answers

The matrix 3 x 8 is a full rank matrix.

Matrix:

Matrix are a set of numbers arranged in rows and columns so as to form a rectangular array. The numbers are called the elements, or entries, of the matrix.

Full rank matrix:

The rank of a matrix is the maximum number of its linearly independent rows.

Based on that, A full rank matrix is one which has linearly independent rows or/and linearly independent columns.

Given,

There is a matrix, which is 3x8, and 3 columns are linear dependent

Her we need to check whether the matrix is full rank or not.

We know that, the matrix is 3 x 8,

And 3 column are linear dependent,

Based on the following condition,

An  m×n  matrix with  m<n , then it has full rank when its m are linearly independent.

So, the given matrix 3 x 8 is the full rank matrix.

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Triangle ABC,AB=BC=AC=A find A

Answers

Answer:

180/3 = 60

Step-by-step explanation:

Jackie went to the store and bought 2 1/4 pounds of apples at $5 per pound and 9 pounds of pears at $2.35 per pound. If she paid with a $50 bill, how much change did she receive? Hint* USE THE $ SIGN IN YOUR ANSWER. YOUR ANSWER SHOULD HAVE 2 DECIMAL PLACES.

Answers

Answer:

$17.60

Step-by-step explanation:

Jackie went to the store and bought 2 1/4 pounds of apples at $5 per pound

1 pounds = $5

2 1/4 pounds = x

x = 2 1/4 × $5

x = 9/4 × $5

x = $45/4

x = $11.25

9 pounds of pears at $2.35 per pound.

1 pound = $2.35

9 pounds = x

x = 9 × $2.35

x = $21.15

Total amount that she spent =

$11.25 + $21.15

= $32.40

If she paid with a $50 bill, how much change did she receive?

The change she received =

$50 - $32.40

= $17.60

Many states have a meal tax that is proportional
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Answers

$24.89

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Answer:

Its the first one

Step-by-step explanation:

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A

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Answer:

y = x + 3

Step-by-step explanation:

proportional equation

Answer: y = x + 3

Step-by-step explanation: This is a proportional equation.

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The number 1,000,000 is a(n) ______ of 10

Answers

The number  1000000 is a 6 power of 10

Given,

The number = 1000000

Then,

[tex]10^{x}[/tex]= 1000000

[tex]10^{x}=10^{6}[/tex]

x=6

Hence, the number  1000000 is a 6 power of 10

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The circumference of a circle is 17π ft. What is the area, in square feet? Express your answer in terms of \piπ.

Answers

The answer for this question is 72.25pi

The area of the circle is 72.25π ft².

What is Surface Area?

For each three-dimensional geometrical shape, surface area and volume are determined. The area or region that an object's surface occupies is known as its surface area. Volume, on the other hand, refers to how much room an object has.

As per the given data:

circumference of a circle = 17π ft

To find the area of the square:

Area = πR²

For radius (R):

2πR = 17π

R = (17/2) ft

Area = π(17/2)²

= 72.25π ft²

Hence, the area of the circle is 72.25π ft².

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1. Triangle ABC is similar to triangle DEF.
D
А
80
4 cm
B
С
10 cm
20 cm
E
What is the measure of ZD?

Answers

Answer:

            m∠D = 80°

Step-by-step explanation:

In similar triangles corresponding angles have the same measure.

your friend used long division and concluded that the decimal expansion for 1 /6 is 6

Answers

Answer:

6/15 ( by cancelling with table 3 ) 2/5 ( prime factors of 5 is 5 × 1 ) so we can write 2/5 as 2/5 ×2/2 we get 4/10 and the answer is 0.4    hope it is helpful thankyou

Step-by-step explanation:

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Answer:.

Step-by-step explanation:

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