The side view of an attic is in the shape of an isosceles trapezoid, as shown in the diagram below. If the height of the attic is 9ft, Bc=12ft, and AD=28ft, Find the area of the isosceles trapezoid. SOMEONE PLEASE HELP ME OUT BRO PLEASE

Answer:

x=2

Step-by-step explanation:

Primero, necesitamos calcular <<a>>

Sabemos que AD=BC y AB=CD porque lados opuestos congruentes

Entonces, vamos a calcular <<a>>.

Usamos AD y BC

2a-1=4a-15

suma 15 a ambos lados

2a+14=4

añada 2 en ambos lados

14=2a

divida

7=a

Ahora, usamos esta información para calcular <<x>>

Usamos CD=AB

2a-8=4x-2

pero sabemos que <<a>> es 7

entonces:

14-8=4x-2

6=4x-2

8=4x

2=x

<<x>> es 2

(¡lo siento mi español no es perfecto!

Answer:

Step-by-step explanation:

y=-23x^2+1317x-10749

dy/dx=-64x+1317, d2y/d2x=-64, since d2y=-65, a global max occurs when dy/dx=0

-64x+1317=0, x=1317/64=20.578125

y(20.578125)=$6612.83

Answer: 8104

Step-by-step explanation: DeltaMath

Answer:

CD = 101°

Step-by-step explanation:

The secant- tangent angle DAB is hlf the difference of the intercepted arcs, that is

[tex]\frac{1}{2}[/tex] (CD - BD ) = 29° ( multiply both sides by 2 )

CD - BD = 58°, that is

CD - 43° = 58° ( add 43° to both sides )

CD = 101°

Answer:

12. 30

13. 3

Step-by-step explanation:

Answer:

Hamburger meat

Hot dogs

a) Inequality:

b) The graph is attached

c) Combinations are reflected on the graph

Answer:

9/56

Step-by-step explanation:

..................

Answer: X=80

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

angle ACB = 180-130=50 degree

angle ABC = 180 - (94+50)

                  = 180-144

                  = 36

Answer:

$65.00

Step-by-step explanation:

$60 +$ _ = $125.00

Answer:

21 savage

Step-by-step explanation:

Answer:

150

Step-by-step explanation:

10%=15

100%=150

15 x 10=150

to check find 90% of 150 which is 135

150-135=15

Answer:

608 ft²

Step-by-step explanation:

1) Find the area of the bases

[tex]A=\frac{1}{2} bh[/tex] where b is the base length and h is the height

Plug in b and h

[tex]A=\frac{1}{2} (12)(8)\\A=48[/tex]

Multiply the answer by 2 (because there are 2 bases)

A=96

Therefore, the area of the two bases is 96 ft².

2) Find the area of the two sides facing up

[tex]A=lw[/tex] where l is the length and w is the width

Plug in l and w

[tex]A=10*16\\A=160[/tex]

Multiply the answer by 2 (because there are 2 sides)

A=320

Therefore, the area of these two sides is 320 ft².

3) Find the area of the bottom side

[tex]A=lw[/tex] where l is the length and w is the width

Plug in l and w

[tex]A=12*16\\A=192[/tex]

Therefore, the area of this side is 192 ft².

4) Add all the areas together

96 ft² + 320 ft² + 192 ft²

= 608 ft²

Therefore, the surface area of the triangular prism is 608 ft².

I hope this helps!

Answer:

608

Step-by-step explanation:

first off you have to find the area of the base

the base is 16 by 12 feet.

so you multiply them and you get

16*12=192 you will have to come back later for this number

next, you find the two outsides of the triangular prism.

they are 10 by 16

10*16=160 and there are two of them so you double it and get 320

now save the 320 too with the 192

now we are going to find the triangles

the formula for an area of a triangle is A=1/2h*w

so we plug in the height which is 8 and the width which is 12

A=1/2(8)*(12)

Simplify

A=48 once again there are two of them so we double it to make it 96

now take all your saved numbers and add them all up

96+320+192

this should give you an answer of 608

hope this helps! have a nice day:)

recall that

sin(x) = cos(90-x)

therefore

cos((2/3)x + 20) = cos(90 - [2x - 10])

(2/3)x + 20 = 100 - 2x

2x + (2/3)x = 80

divide through by 2

x + (1/3)x = 40

(4/3)x =40

4x = 40*3

4x = 120

x = 30

since it is a right angled triangle, the angles are 30, 60 and 90

Answer: A=40 B=50

I just took the test

Answer:

Pls Mark me as brainliest

Answer:

we have these we ml and l

Step-by-step explanation:

Here, we want to select the units of volume ;

1. mg

This is a measure of mass and in fact it is called milligrams

2. mm

This is called millimeters and in fact is a measure of distance

3. cm

This is centimeters and it is a measure of distance too

4. ml

Milliliters, this is a measure of volume

5. m

meters;

this is a measure of distance

6. g

grammes

This is a measure of mass

7. l

This is liters

It is actually a measure of volume

8. km

this is kilometers, it is a measure of distance

Answer:

2,200,000 :) give brainliest

Step-by-step explanation:

Answer:

My best guess C im pretty sure.

Answer:

x = 26

Step-by-step explanation:

6x + 6x + (x-2) + (x-2) = 360

14x - 4 = 360

14x = 364

x = 26

6(26) = 156

(26 - 2) = 24

f(5) = 1/4(2)^5

f(5) = 1/4 (32)

f(5) = 8

answer

A. 8

Answer:

Area= 48 cm²

Step-by-step explanation:

Since the radius is 4, to get area, you must get 4 squared(4 x 4), which is 16. Then, multiply 16 to 3(pi), and the answer is 16 x 3 = 48.

Answer:

y=1/2

Step-by-step explanation:

Answer:

4 hours

Step-by-step explanation:

A = 12 + 4t

B = 8 + 5t

12 + 4t = 8 + 5t

t = 4

The cost of each garage would be the same when Camden parked the car for 4 hours

Answer:

area = 12 units²

perimeter = 17.61 units

Step-by-step explanation:

line VP² length = 2² + 3²

line VP = 3.61 units

perimeter = 5+3+3+3.61 = 17.61 units

area = (3)(3) + (1/2)(2)(3) = 12 units²

Okay then.......::::::////////

Answer:

720 inches

Step-by-step explanation:

On her blueprint, which is 1/20 the size of the actual garden

the width of the garden is 36 inches.

What is the width of the actual garden?

Let width of the actual garden = x

1/20 of x = 36

1/20 * x = 36

x = 36 ÷ 1/20

x = 36 * 20/1

x = 720

x = 720 inches

The width of the actual garden = 720 inches

Answer:

30

Step-by-step explanation:

Answer:

40

Step-by-step explanation:

5/6 of 48

In math, when the word "of" is used, it means multiplication.

5/6 of 48 ---> 5/6 × 48 = 40

How much does 6 goes in 48? Anser is 8 since 6 × 8 = 48. So this means that 6 and 48 cancels out remaining 8 and 5. 5 × 8 = 40 which is your answer. Hope this helps, thank you :) !!

Answer:

A) 18

B)9

C)-2

Step-by-step explanation:

Replace the a,b or c with the give number. So let’s say it’s says 2 + a. It would be 2+3.

Answer:

$450

Step-by-step explanation:

C = k[tex]r^{2}[/tex]

200 = k([tex]2^{2}[/tex]) = 4k

k = 50

C = 50[tex]r^{2}[/tex] = 50([tex]3^{2}[/tex]) = 50(9) = $450

Answer:

geyser =groundwater    

glacier = freshwater

lake=freshwater

ocean=salt water

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Corresponding angles form a sideways U when you connect the angles.

b is the only one that does that.

1 and 4 are consecutive angles.

1 and 3 are vertical angles

4 and 3 are linear pair angles.