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3 years ago

Describe triangle ABC in terms of its sides and angles

Mathematics

2 answers:

Nimfa-mama [501]3 years ago

6 0

Answer:

Right angle triangle

Step-by-step explanation:

Given triangle is right angle triangle
It is a type of triangle that has one of it's angles equal to 90 degrees.
The other two angle sum up to 90 degrees.
Here AC side is perpendicular and the AB side is base of the triangle.
And the third side that is called CB which longest side of all three sides that is called hypotenuse.

Y_Kistochka [10]3 years ago

6 0

Answer: Scalene, Right Triangle

Step-by-step explanation:

There are three main terms that describe triangles by their side length: equilateral (all three sides are the same length), isosceles (two sides are the same length), scalene (all three sides are different lengths).

Since all of the sides are different lengths, this is a scalene triangle.

There are three main terms that describe triangles by their angles: acute triangle (all three angles are acute), obtuse triangles (one obtuse angle and two acute angles) and right triangles (on right angle, which means the other two will be acute).

Since this triangle has a right angle (indicated by the square symbol on angle A), it must be a right triangle.

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A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $120 for 100 minutes of us

Alecsey [184]

<h2>Answer</h2>

Draw a graph which joins the points (100, 120) and (50, 95) and has a slope = 0.50

<h2>Explanation</h2>

A graph of y against x means that x is the independent variable and y is the dependent variable. Notice that the charge (y) depends on the number of minutes (x). Therefore, the points that we are going to join to make our graph will have coordinates (x, y)

We know that the company charges $120 for 100 minutes, so x=100 and y=120. Therefore, our first point will be (100, 120)

We also know that the company charges $95 for 50 minutes, so x=95 and y=50. Therefore, our second point will be (50, 95)

Now, to find the slope between our tow points, we are going to use the slope formula: $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

where

$(x_{1},y_{1})$ are the coordinates of the first point

$(x_{2},y_{2})$ are the coordinates of the second point

We know from our points that $x_{1}=100$ , $y_{1}=120$ , $x_{2}=50$ , and $y_{2}=95$ . So let's replace those values in our formula to find $m$

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

$m=\frac{95-120}{50-100}$

$m=\frac{-25}{-50}$

$m=\frac{1}{2}$

$m=0.50$

Now that we have our slope, we can use the point-slope formula to complete the equation of the line joining our two points

$y-y_{1}=m(x-x_{1})$

$y-120=0.50(x-100)$

$y-120=0.50x-50$

$y=0.50x+70$

7 0

3 years ago

Read 2 more answers

(50 points!)

Maru [420]

(y x .12) x .3 = the total cost

6 0

3 years ago

Can someone help me, please

11Alexandr11 [23.1K]

Answer:20 pints of blue paint and 8 pints of yellow paint

Step-by-step explanation:

5 pints of blue and 2 pints of yellow make 7 pints of green. (5 + 2 = 7)You must do this four times to get 28 pints of green. (4 · 7 = 28)So you need 20 (4 · 5) pints of blue and 8 (4 · 2) pints of yellow.

4 0

2 years ago

A new pizza restaurant uses paid advertisement to increase pizza sales on Mondays. The table below is a record of the restaurant

Fiesta28 [93]

Answer:

Part A:

Find the attached

Part B:

y = 23.875x + 279.625

Part C:

Total Sales increase from one week to the next by $23.875. Therefore, it is true to say that the paid advertisement is responsible for the restaurant's increase in pizza sales during the first quarter.

Part D:

The restaurant's sales for the Monday of the 20th week is expected to be $757.13

Step-by-step explanation:

Part A:

The scatter-plot can be obtained from stat-crunch by following the given steps below;

The first step is to enter the data given into any two adjacent columns of Stat-crunch application.

Next, click on Graph then Scatter plot

In the pop-up window that appears, select the week column as the X variable and the Total Sales column as the Y variable

Click Compute. Stat-crunch returns the scatter-plot as shown in the attachment below.

Part B:

The total sales for week 5 is given as 399 while that of week 13 is 590. Therefore, we shall determine the equation for the line of best fit using the points;

( 5, 399) and ( 13, 590)

The first step would be to determine the slope of this line;

slope = (590 - 399)/ (13 - 5)

= 23.875

The equation of the line in slope-intercept form is thus;

Sales = 23.875(Week) + c

We need to determine c, the y-intercept. We can use the point ( 5, 399);

399 = 23.875(5) + c

c = 279.625

The equation of the line of best fit is thus;

y = 23.875x + 279.625

Part C:

The slope of the equation for the lines of best fit was found to be 23.875. This value is positive which implies that the Total Sales increase from one week to the next by $23.875. The slope in regression is defined as the change in y for every unit change in x.

Therefore, it is true to say that the paid advertisement is responsible for the restaurant's increase in pizza sales during the first quarter.

Part D:

The equation for the line of best fit was found to be;

y = 23.875x + 279.625

where y denotes the total sales and x the corresponding week. We are required to determine y when x is 20;

Y = 23.875(20) + 279.625

y = 757.125

Therefore, the restaurant's sales for the Monday of the 20th week is expected to be $757.13

6 0

3 years ago

What is slope how is it calculated

Helen [10]

Slope is the change in Y over the change in X. It is calculated by finding the difference between the y values, and the difference in x values.

3 0

3 years ago