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3 years ago

Vindows. Find the total surface area 4 ft 5 ft 5 ft 4 ft 7 ft oft -

Mathematics

1 answer:

liubo4ka [24]3 years ago

4 0

Answer:

6 x 4 = 24, 24 x 2 = 48

7 x 6 = 42

7 x 4 = 28, 28 x 2 = 56

6 x 4 x 1/2(basically just dividing by 2) = 12, 12 x 2(two triangles) = 24

5 x 5 = 25, 25 x 2 = 50

Add given areas:

48 + 42 + 56 + 24 + 50 = 220 ft^2 is your answer.

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Complete the proof given: AB x BE =CB x BD prove: triangle ABC triangle DBE

lesantik [10]

Answer:

Step-by-step explanation:

1. AB * BE = CB * BD ------------------- 1. GIVEN

2. CB/BE = AB/BD ------------------- 2. Property of cross multiplication

3. ∠ABC ≅ ∠DBE ------------------- 3. Vertical angles

4. ΔABC ~ ΔDBE ------------------- 4. SAS property of similarity

8 0

3 years ago

A,b,c are all positive integers

miv72 [106K]

9514 1404 393

Answer:

Step-by-step explanation:

We can use a number of ratio units to represent b that is the LCM of 8 and 6. That value is 24. Then multiplying the first ratio by 3 and the second by 4, we have ...

a:b = 9:24 and b:c = 24:44

Then the ratios of all are ...

a : b : c = 9 : 24 : 44

and the sum is 9+24+44 = 77.

8 0

3 years ago

A line is drawn through (–7, 11) and (8, –9). The equation y – 11 = (x + 7) is written to represent the line. Which equations al

IRISSAK [1]

Answer:

3y+4x=5

Step-by-step explanation:

step 1

Find the slope

we have

(–7, 11) and (8, –9)

m=(-9-11)/(8+7)

m=-20/15

m=-4/3

step 2

Find the equation of the line into point slope form

we have

m=-4/3

point (-7,11)

substitute

y-11=-(4/3)(x+7) ----> equation of the line into point slope form

Multiply by 3 both sides

3y-33=-4(x+7)

3y-33=-4x-28

3y+4x=33-28

3y+4x=5 -----> equation of the line into standard form

7 0

4 years ago

Read 2 more answers

Andrew is pouring a square shaped patio and needs 529 square feet of concrete what is the length of each side of the patio? Expl

LekaFEV [45]

Answer:

The answer is 23 feet on each side

Step-by-step explanation:

Sqrt of 529= 23

Hope it works

4 0

3 years ago

{5x−y=−21 What is the solution of the system?

Montano1993 [528]

Answer:

Step-by-step explanation:

5x - y = -21

y = 5x + 21

Substituting into:

x + y = -3

x + 5x + 21 = -3

6x = -24

x = -4

y = 5(-4) + 21

y = 1

Solution: (-4,1)

8 0

3 years ago