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4 years ago

Number 1,3,5,6 please

Mathematics

2 answers:

Alenkasestr [34]4 years ago

4 0

Answer:

1.2≤5

2.14>3

Step-by-step explanation:

5. n≥-2+5

n≥3

6.l can't see

sattari [20]4 years ago

4 0

Answer:

1. 2 less than or equal to 5

2. 0>3

5. n less than or equal to 3. On the number line the dot is full on the number 3 and the arrow is going to the right.

6. x<4. On the number line the dot is empty on the number 4 and the arrow is pointing to the left.

Step-by-step explanation:

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The table shows the number of candies packed by Machine C. The equation shows the number of candies packed by Machine D. In both

Rashid [163]

Machine C makes 75 candies per minute.

Machine D makes 130 candies per minute.

Difference is 55

55 * 11 minutes = 605 candies.

4 0

3 years ago

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0.46 repeating as a fraction

tekilochka [14]

0.46 = 7/15 
0.46 = 46/99

8 0

3 years ago

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What is the equation of a line that passes through the point (2, 4) and has a y-intercept at y = -10?

Gemiola [76]

Answer:

The equation of the line is y = 7x - 10

Step-by-step explanation:

* Lets revise the form of the equation

- The form of the equation of a line is y = mx + c , where m is the slope

of the line and c is the y-intercept

- The y-intercept means the line intersect the y-axis at point (0 , c)

- The slope of the line which passes through points (x1 , y1) , (x2 , y2)

is $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

* Lets solve the problem

∵ The y-intercept is y = -10

∴ The line intersects the y-axis at point (0 , -10)

∵ The line passes through the points (2 , 4) and (0 , -10)

- Lets find the slope of the line using the rule of the slope above

∵ $m=\frac{-10-4}{0-2}=\frac{-14}{-2}=7$

∴ The slope of the line is 7

∵ c is the y-intercept

∵ The y-intercept is y = -10

∴ c = -10

∵ y = mx + c

∴ y = 7x + -10

∴ y = 7x - 10

* The equation of the line is y = 7x - 10

8 0

3 years ago

Please help, find the slope.

Airida [17]

Answer:

$\displaystyle m = \frac{-2}{3}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Reading a coordinate plane
Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}$

Step-by-step explanation:

Step 1: Define

Identify points from graph

Point (0, -1)

Point (-3, 1)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m = \frac{1 - -1}{-3 - 0}$
[Fraction] Subtract: $\displaystyle m = \frac{2}{-3}$
Rewrite: $\displaystyle m = \frac{-2}{3}$

3 0

3 years ago

Which graph shows a dilation of a rectangle with a scale Factor of 1/3?

yaroslaw [1]

Answer:

The first picture corresponds the correct dilation by a scale of factor of 1/3 as the image rectangle is reduced and has the coordinates (-2, 0), (0, 2), (2, 0), and (0, -2) after a rectangle is dilated by a scale of factor of 1/3.

Step-by-step explanation:

A dilation is said to be a transformation which generates an image that is the same shape as the original object, but has a different size.

If the scale factor is greater than 1, then the image will be enlarged. In other words,

scale factor > 1, image will be enlarged

If the scale factor is greater than 0 but less than 1, then the image will be reduced. In other words,

0 < scale factor > 1, the image will be reduced

Considering the quadrilateral with the vertices (-6, 0), (0, 6), (6, 0) and (0, -6).

According to dilation rule, when a figure is dilated by a scale of factor of 1/3, the the coordinates of that point are multiplied by 1/3. So,

(x, y) → (1/3x, 1/3y)

So, lets apply this on the quadrilateral with the vertices (-6, 0), (0, 6), (6, 0) and (0, -6).

For (-6, 0)

(x, y) → (1/3x, 1/3y) = (-6, 0) → (-2, 0)

For (0, 6)

(x, y) → (1/3x, 1/3y) = (0, 6) → (0, 2)

For (6, 0)

(x, y) → (1/3x, 1/3y) = (6, 0) → (2, 0)

For (0, -6)

(x, y) → (1/3x, 1/3y) = (0, -6) → (0, -2)

So, the image rectangle will have the coordinates (-2, 0), (0, 2), (2, 0), and (0, -2) after a rectangle is dilated by a scale of factor of 1/3.

Therefore, the first picture corresponds the correct dilation by a scale of factor of 1/3 as the image rectangle is reduced and has the coordinates (-2, 0), (0, 2), (2, 0), and (0, -2) after a rectangle is dilated by a scale of factor of 1/3.

So, correct picture is also attached below.

Keywords: dilation, transformation, quadrilateral

Learn more dilation and transformation from brainly.com/question/13625798

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7 0

3 years ago