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2 years ago

17) Find the surface area of the right triangular prism shown below: 5 2 5/2 3/2

Mathematics

1 answer:

harkovskaia [24]2 years ago

7 0

Answer:

Step-by-step explanation:

They didn't provide the number for one of the faces btw..

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The Spice Girls latest single sells 40% fewer singles this week than last week. Last week it sold 120,000 singles. How many did

valentina_108 [34]

Answer:

72000

Step-by-step explanation:

Multiply 120,000 by 0.6 OR multiply 120,000 by 0.4 and subtract 120,000 by the product.

Both equal 72,000

Hope this helps my fellow mike winsowski memer

-Scorpio

8 0

3 years ago

Given y=-3/4x-2. What is the equation of the line that is perpendicular and has the point (-4,1)? Write answer in slope intercep

raketka [301]

Answer:

y=4/3+19/3

Step-by-step explanation:

When it asks for perpendicular it means your focusing on the slope.

Perpendicular means opposite of the current slope, so flip it and change the sign (-3/4 changes to 4/3). Next you will use the equation (y-y1)=m(x-x1)

y1=the y value given

x1=the x value given

m=your slope

(y-1)=4/3(x+4) Since the x point is minus a negative we get to change the sign to a positive. Next distribute the 4/3 to each term in the parenthesis.

y-1=4/3(x)+4/3(4)

y-1=4/3x+16/3 Now we add the one to both sides.

+1 +1 The one isn't in teh correct format to just add so first imagine it as 1/1. Now to get the bottom to have a 3 like in 16/3 we just multiply the top and bottom by 3.

$\frac{1}{1} x\frac{3}{3}=\frac{3}{3}$ Now we can add this to the 16/3

$\frac{16}{3} +\frac{3}{3}=\frac{19}{3}$ We can now put this back into our equation.

y=4/3+19/3

6 0

3 years ago

Plz help don’t understand

saul85 [17]

Answer:

Step-by-step explanation:

every time x goes up 1, y goes up 4

x = 3 minus x = 2 is a delta (a change of 1)

x = 4 minus x = 3 is a delta (a change of 1)

x = 5 minus x = 4 is a delta (a change of 1)

the delta x is ALWAYS 1 for this table you can always substract x's to find the delta delta is symbolized by Δ Δx for the delta x

y = 7 minus y = 3 is a delta (a change of 4)

y = 11 minus y = 7 is a delta (a change of 4)

y = 15 minus y = 11 is a delta (a change of 4)

the delta y is ALWAYS 4 for this table you can always substract y's to find the delta delta is symbolized by Δ Δy for the delta y

the slope m = Δy / Δx m = 4 / 1 m = 4

y = mx + b when x = 0 then y = b (called the y intercept)

so how do we find the y intercept?

look at the pattern in the TABLE Δx and Δy

when x = 1 y = (3 - 4) = -1

x = 0 y =( -1 - 4) = -5

so y = 4x - 5 is a line equation for the data in this table

I believe there are other forms for linear equations

I chose the y-intercept form

use the point slope equation

(y - y1) = m(x - x1) where (x1, y1) are the coordinates of a point on

the line

when you know the slope of the line and a point on the line

as before

m = (y2 - y1) / (x2 - x1) from the table

= (7 - 3) / (3 - 2) still equals

= 4/1 = 4

pick a point on the line say x= 4 and y = 11 (4, 11)

(y - y1) = m(x - x1)

y - 11 = 4(x - 4) point slope form

solving point slope form for y

y - 11 = 4x - 16 add 11 to both sides

y = 4x - 5 back to the y-intercept form

7 0

3 years ago

Bobcat park is a rectangular park with area of 5 1/5 square miles. it's width is 1 19/20 miles

Archy [21]

320 ft in perimeter and 200 ft in area

6 0

2 years ago

10.) Which equation below represents the model? A. m - 11 = 43 B. 11m = 43 C. m + 11 = 43 D. m + 43 = 11.) What is the value of

elixir [45]

Answer:

Step-by-step explanation:

m - 11 = 43

3 0

2 years ago