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can someone help me ​ - 1

Answers

Answer 1
Answer:

Answer:  B) 6 minutes

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Explanation:

Let's find the slope of the table. This will tell us the rate of change.

m = slope

m = (y2-y1)/(x2-x1)

m = (25250 - 26375)/(2 - 1) .... I used the first two rows

m = -1125/1

m = -1125

The slope of -1125 means the plane's altitude is decreasing at a rate of 1125 feet per minute. This is the descent speed.

Since we're told the initial altitude was 27500 ft, this means b = 27500

This means y = mx+b turns into y = -1125x+27500

x is the number of minutes and y is the altitude at time x

As a way to check this, plug in various x values of the table. You should get corresponding y values that match the table. I'll let you do this part.

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Now plug in y = 16250 and solve for x

y = -1125x+27500

16250 = -1125x+27500

-1125x+27500 = 16250

-1125x = 16250-27500

-1125x = -11250

x = -11250/(-1125)

x = 10

It takes 10 minutes after the descent period has started, for the pilot to get to 16,250 ft.

Since the pilot was contacted at the x = 4 minute mark, this means 10-4 = 6 minutes is the duration needed for the pilot to go from 23,000 ft to 16,250 ft.


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Which choice is the appropriate simplified form and restriction for the variable? 3x^2+9x over x^2-2x-15

Simplify the numerator and the denominator separately, then find the quotient -3(-2)/5-(-1)=?

Quotient=?

Answers

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



The\ numerator:-3(-2)=6\n\nThe\ denominator:5-(-1)=5+1=6\n\nThe\ quotient:(6)/(6)=1
Numerator:
-3 times (-2) = +6

Denominator:
5 minus (-1) = 5 + 1 = 6

The quotient = +6 / 6 = 6 divided by 6 .    That's ' 1 '.

A line has a y-intercept of -5 and passes through the point (-3, 1). write the equation of the line.

Answers

ax+c=y
x=-3 and y=1
-3a-5=1
a=-2

y intercept—> x=0 y=c=-5

Final answer:

The slope can be found using the coordinates of the given point and the y-intercept. The equation of the line is y = -2x - 5.

Explanation:

To write the equation of a line with a given y-intercept and a point, we can use the slope-intercept form:

y = mx + b.

The y-intercept is -5, so the equation becomes:

y = mx - 5.

We also know that the line passes through the point (-3, 1). To find the slope (m), we can use the formula:

m = (y2 - y1) / (x2 - x1). Substituting the coordinates, we get:

m = (1 - (-5)) / (-3 - 0)

= 6 / -3

= -2.

Plugging the slope and y-intercept into the equation, the equation of the line is: y = -2x - 5.

Learn more about Equation of a Line here:

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What is the area of this triangle? And it's not 60, I already checked. PLEASE EXPLAIN!!!!​

Answers

Answer:

A = 4 cm^2

Step-by-step explanation:

The area of a triangle is

A = 1/2 b*h

The base is 4 and the height is 2

A = 1/2 ( 4*2)

A = 1/2*8

A = 4 cm^2

Answer:

4

Step-by-step explanation:

A = BH/2

or Area = Base multiplied by Hieght divided by 2.

(b)4 x (h)2 = 8

8/2 = 4

The cost is $2.66 and the percent of the markup is 50%. What is the selling price?

Answers

I googled how to do markup 50%... and it took me awhile but I think I got the answer, $2.66 + $1.33 (into $1.33 from 2.66 x0.5) and u get $3.99Sorry If I'm wrong but I hoped I helped!

El ministerio de educación publicó los resultados obtenidos por los colegios en la última prueba icfes saber 11. En el colegio San estaban el promedio de los estudiantes en la prueba de razonamiento cualitativo fue de 75,8 ¿ que significa este resultado?

Answers

Answer:

El indicador mencionado en el enunciado indica que la suma de los resultados de las pruebas de razonamiento cualitativo de los estudiantes dividido por la población de los estudiantes arroja ese promedio.

El promedio indica el valor "central" del indicador, no estudia la dispersión de los resultados de las pruebas, es decir, como se distribuye la colección de indicadores.

Step-by-step explanation:

El indicador mencionado en el enunciado indica que la suma de los resultados de las pruebas de razonamiento cualitativo de los estudiantes dividido por la población de los estudiantes arroja ese promedio.

El promedio indica el valor "central" del indicador, no estudia la dispersión de los resultados de las pruebas, es decir, como se distribuye la colección de indicadores.  

Calculator What is the area of this parallelogram? 44 cm²

O 55 cm²

O 99 cm²

O220 cm²

D4 cm F 11 cm 1 I A 5 cm E4 cm B 5 cm C​

Answers

The calculated value of the area of the parallelogram is 99 square cm

Calculating the area of the parallelogram

From the question, we have the following parameters that can be used in our computation:

The parallelogram

Where we have

Height = 11 cm

Base = 5 cm  + 4 cm = 9 cm

The area of the parallelogram is calculated as

Area = Base * Height

Substitute the known values in the above equation, so, we have the following representation

Area = 11 * 9

Evaluate the product of 11 and 9

So, we have the following representation

Area = 99

Hence, the area of the parallelogram is 99 square cm

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